{"title":"Proline X Performance Optimized Series Enclosures","description":"\u003cdiv class=\"ai-collection-block\"\u003e\n\u003ch2\u003eWhat Performance Optimized Means\u003c\/h2\u003e\n\u003cp\u003ePerformance Optimized is a series designation within the Proline X lineup that indicates the enclosure is tuned for efficiency and output rather than a balanced or compact profile. Internal volume, port tuning, cabinet dimensions, and baffle cutout are all matched to the exact woofer the enclosure is built for. These boxes are built to extract maximum SPL from a given driver and amplifier combination rather than offering a universal fit across driver sizes.\u003c\/p\u003e\n\u003ch3\u003eDriver-Matched Internal Volume and Port Tuning\u003c\/h3\u003e\n\u003cp\u003eEach enclosure in the Performance Optimized Series is built around the acoustic requirements of a specific driver diameter. Internal airspace, port length, and port diameter are calculated for that woofer, not adapted from a shared template. The enclosure is working with the driver's Thiele-Small parameters rather than against them, which produces more output for the same amplifier power compared to a general-purpose box of similar construction.\u003c\/p\u003e\n\u003ch3\u003eMachined Baffle Cutout for Exact Driver Fit\u003c\/h3\u003e\n\u003cp\u003eThe baffle cutout on every Performance Optimized enclosure is machined to the specific driver it is built for. This is not a universal opening sized to accommodate the widest range of woofers. The cutout diameter and mounting hole pattern match the driver exactly. Fit is tight and intentional, with the mounting surface seated flush against the driver basket with no gap.\u003c\/p\u003e\n\u003ch3\u003eDado and V-Groove Construction\u003c\/h3\u003e\n\u003cp\u003eCabinet panels are joined using Dado and V-Groove cuts, which create interlocking channels at each panel intersection before bonding. This mechanical lock adds shear resistance beyond what adhesive alone provides and keeps panels aligned during assembly and curing. In a high-output enclosure this matters. Sustained power and driver excursion create repeated internal pressure cycles that stress panel joints over time. Dado and V-Groove joinery maintains cabinet integrity and internal volume accuracy under those conditions.\u003c\/p\u003e\n\u003ch2\u003eSealed and Ported Configurations\u003c\/h2\u003e\n\u003cp\u003eThe Performance Optimized Series is available in both sealed and ported enclosure types across 8, 10, 12, and 15 inch driver sizes in single and dual woofer layouts. Sealed enclosures deliver controlled transient response and predictable low-frequency rolloff. Ported enclosures use a tuned port to increase low-frequency efficiency, producing more output at the port tuning frequency for the same amplifier power. If maximum output is the goal and install space permits, ported is the stronger choice in this series.\u003c\/p\u003e\n\u003ch2\u003eBuild Specification and Intended Use\u003c\/h2\u003e\n\u003cp\u003eEvery Performance Optimized enclosure ships pre-wired in 12 gauge OFC to the Proline X composite terminal cup, the same as every other Proline X cabinet. Feet follow the shape: down-fire cabinets ship with ABS feet, because the orientation depends on the clearance they set, while standard and wedge cabinets sit on a trunk floor or against a seat back and ship without them. Ported Performance Optimized enclosures ship without polyfill, because fill shifts the port tuning the enclosure was designed around. Sealed Performance Optimized enclosures ship with polyfill pre-installed, sized to the cabinet volume, because in a sealed alignment the fill is part of the design rather than a variable. This series is the correct choice when efficiency and SPL output are the primary build criteria and a fully custom build is not in scope.\u003c\/p\u003e\n\u003caside class=\"ai-callout-cta\"\u003e\n\u003cp class=\"ai-callout-label\"\u003eNeed Help Matching an Enclosure to Your Driver?\u003c\/p\u003e\n\u003cp\u003eTalk to an SQ-judge tech directly. We'll confirm fitment, port tuning, and amplifier match before you commit to the build.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"ai-contact-phone\"\u003e931-563-5151\u003c\/span\u003e\u003cspan class=\"ai-contact-divider\"\u003e|\u003c\/span\u003e\u003cspan class=\"ai-contact-email\"\u003econtact@audiointensity.com\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/aside\u003e\n\u003cdiv class=\"ai-faq-section\"\u003e\n\u003ch2\u003eFrequently Asked Performance Optimized Series Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat's the difference between Performance and Performance Optimized?\u003c\/h3\u003e\n\u003cp\u003eThe Performance Series uses universal tuning targets that work across multiple drivers in the same diameter. The Performance Optimized Series tunes each enclosure to a specific driver, with internal volume, port dimensions, and baffle cutout matched to that woofer's exact parameters. Performance Optimized produces more output and better acoustic loading for the specific driver it's built for. Performance is more flexible if you might swap drivers later.\u003c\/p\u003e\n\u003ch3\u003eWill a Performance Optimized enclosure work with a different driver than the one it's labeled for?\u003c\/h3\u003e\n\u003cp\u003eTechnically yes, mechanically no. The baffle cutout is machined to the labeled driver's exact mounting dimensions, so a different driver may not fit cleanly without modification. The internal volume and port tuning are also calculated for the labeled driver, so swapping in a different woofer puts the enclosure outside its design parameters. If you want a Proline X enclosure that supports multiple drivers in the same size class, the standard Performance Series is the better choice.\u003c\/p\u003e\n\u003ch3\u003eDo these ship with polyfill, prewiring, or feet?\u003c\/h3\u003e\n\u003cp\u003ePrewiring, yes: every Performance Optimized enclosure ships wired in 12 gauge OFC to the Proline X composite terminal cup. Polyfill follows the alignment: sealed cabinets ship with it installed and sized to the volume, and ported cabinets ship dry because fill shifts the port tuning. Feet follow the shape: down-fire cabinets include ABS feet that set the clearance under the cone, while standard and wedge cabinets ship without them.\u003c\/p\u003e\n\u003ch3\u003eHow do I choose between sealed and ported in this series?\u003c\/h3\u003e\n\u003cp\u003eSealed if accuracy and tight transient response are the priority, and if the available install space favors a smaller cabinet. Ported if maximum output at the tuning frequency is the priority, and if the install has the space to accommodate a larger box. Both alignments are properly tuned to the specific driver in this series, so the choice comes down to build goals rather than enclosure quality.\u003c\/p\u003e\n\u003ch3\u003eWhat construction does Proline X use?\u003c\/h3\u003e\n\u003cp\u003eCabinets are built from Langboard Elite MDF (48.5 lb\/ft³ density, 200 psi internal bond strength), the highest-grade MDF available for enclosure construction. Panels are joined with Dado and V-Groove cuts that mechanically interlock at each intersection before bonding. Every enclosure is CNC-cut on ShopSabre routers in our Tullahoma, Tennessee facility. Not imported, not outsourced.\u003c\/p\u003e\n\u003ch3\u003eDoes this series include the screws to mount the driver?\u003c\/h3\u003e\n\u003cp\u003eScrews are not supplied with Performance Optimized enclosures. Driver mounting hardware varies by manufacturer (machine screws into T-nuts, wood screws into baffle, etc.) and the right hardware depends on the specific driver being mounted. Use the hardware specified by the driver manufacturer.\u003c\/p\u003e\n\u003ch3\u003eWhat measurements should I confirm before ordering?\u003c\/h3\u003e\n\u003cp\u003eConfirm driver mounting depth and terminal clearance. Use the downloadable cutout template to verify that the faceplate and mounting holes match your driver. If your driver has a nonstandard basket or offset mounting holes, measure the bolt circle and overall flange diameter, and send those dimensions to support. That prevents surprises at install and avoids returns due to fitment mismatch.\u003c\/p\u003e\n\u003ch3\u003eWhy do you ship without mounting hardware and terminals?\u003c\/h3\u003e\n\u003cp\u003eWe leave hardware out because installers use a wide range of fasteners and terminal styles depending on the driver and vehicle. Supplying a universal kit can create more problems than it solves. Instead, we offer a recommended hardware bundle that includes gasket tape, terminal cups, stainless screws, and lock washers. Add the bundle at checkout, and the product page will show the exact contents and suggested torque values for common driver baskets.\u003c\/p\u003e\n\u003ch3\u003eHow do you control port velocity, and why does it matter?\u003c\/h3\u003e\n\u003cp\u003ePort velocity is measured during bench testing at target SPL using calibrated sensors. High port velocity causes audible port noise and reduces linear output at high drive levels. We size the port area and length to keep the velocity below thresholds appropriate for the driver and target output. If you plan extreme SPL runs, request the measured port velocity plots for your driver and enclosure pairing so you can confirm the design meets your goals.\u003c\/p\u003e\n\u003ch3\u003eCan I request a custom finish or a different cutout?\u003c\/h3\u003e\n\u003cp\u003eCustom faceplate finishes and alternate cutouts are available for production runs. Provide interior color samples or a driver cutout drawing, and we will quote lead time and cost. For one-off custom work, expect a short lead time for template approval and a small tooling fee for nonstandard cutouts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"performance-optimized-sealed-10-enclosure-image-dynamics-idq-10","title":"Image Dynamics IDQ 10 Box: Sealed 10\" Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(6, 182, 212, 0.2); border: 1px solid #06b6d4; color: #67e8f9; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #f0f9ff; }\n  .po-section h2 { color: #0e7490; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #06b6d4; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #06b6d4; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #0e7490; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #f0f9ff; border-left: 4px solid #06b6d4; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized | Image Dynamics IDQ 10\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 10\" Sealed Enclosure | Driver-Specific for the IDQ10 V4\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e1.0 ft³ Net\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eThreaded Inserts\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e20\" × 14\" × 8.5\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe IDQ10 V4 Deserves a Box Built for It\u003c\/h2\u003e\n    \u003cp\u003eThe Image Dynamics IDQ10 V4 is one of the most respected sound quality 10\" subwoofers on the market. A field-replaceable mica-reinforced cone, Nomex spider, 14.5mm linear Xmax, and a 42 Hz Fs that loads beautifully into a properly sized sealed cabinet. Drop it in a generic box and you'll get good bass. Drop it in a cabinet engineered around its Thiele-Small parameters and you'll hear what the IDQ was designed to do.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Sealed 10 is that cabinet. Internal volume, baffle thickness, bracing layout, and mounting hardware are all chosen to extract the IDQ10 V4's full mechanical and acoustic potential, not approximated, not averaged across a class of 10s, not adapted from a universal box.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003eThis enclosure is engineered specifically around the published Thiele-Small parameters of the Image Dynamics IDQ10 V4. The 1.0 cu ft net volume and 9.57\" cutout are tuned to the IDQ: not a generic 10\" platform.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWhy Performance Optimized Sits Where It Does\u003c\/h2\u003e\n    \u003cp\u003eThe Performance Optimized line is the bridge between our standard Performance Series and our top-tier Professional Series. Same Performance-tier construction quality, Langboard Elite MDF, V-groove and dado joinery, ShopSabre CNC routing, but the geometry of every panel is cut around one specific driver instead of a class of drivers.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003evs Performance Series\u003c\/h4\u003e\n        \u003cp\u003eStandard Performance Series boxes (P6 through P15) are built for universal driver fitment within a size class. Great if you want flexibility across multiple driver options. Performance Optimized takes the same construction and locks the airspace and hardware to one specific driver.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003evs Professional Series\u003c\/h4\u003e\n        \u003cp\u003eProfessional Series uses extensive multi-layer baffles, triple-stacked construction, and a 2-year warranty for the most demanding builds. Performance Optimized delivers driver-specific engineering at a more accessible price point with a 1-year warranty.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered Around the IDQ10 V4's Parameters\u003c\/h2\u003e\n    \u003cp\u003eImage Dynamics calls for the IDQ10 V4 to live somewhere between 0.6 and 1.1 cubic feet sealed. We landed on 1.0 cu ft net after airspace because that's where the IDQ's Qtc, F3, and transient response settle into the sweet spot most SQ-oriented installers chase. Tight, fast, articulate, without sounding choked or clinical.\u003c\/p\u003e\n    \u003ch3\u003eVolume Selection\u003c\/h3\u003e\n    \u003cp\u003e1.0 cu ft net is the upper end of the IDQ's compact-sealed range. Smaller volumes drive Qtc higher (more lift, less control), larger volumes pull it lower (tighter, leaner). At 1.0 cu ft, Image Dynamics' published parameters put the IDQ at Qtc 1.09 on the D2 and 1.15 on the D4: a punchy, underdamped alignment with about 2 dB of lift above Fc, the impact-forward character the IDQ Series is voiced for.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eThe 9.57\" cutout matches the IDQ's flange geometry exactly. The 5.81\" mounting depth specification leaves comfortable internal clearance behind the magnet structure inside the 8.5\" deep cabinet. No interference, no airspace robbed by a deep motor.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, and a longer service life.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the cabinet fold into shape with maximum glue surface. Dado joints lock the baffle and rear panel into the side walls. No fasteners visible from outside.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the baffle backside accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. Tolerances that manual fabrication can't hold. Joints close cleanly, baffle concentricity stays accurate, and internal volume is consistent unit to unit.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003e\u003cstrong\u003eDark Gray Trunkliner\u003c\/strong\u003e is the standard durable wrap, matched to most factory trunk and cargo-area carpet tones. \u003cstrong\u003ePlush Black\u003c\/strong\u003e (+$10) is a deeper, more luxurious nap that pairs well with blacked-out interiors and show builds.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eChoose \u003cstrong\u003eBlack, Blue, Red, or White\u003c\/strong\u003e for the baffle insert to match your build. Or skip the insert entirely (-$40) for a clean, understated look. The insert is purely cosmetic. Performance is identical across colors.\u003c\/p\u003e\n    \u003ch3\u003eBox-Only or Loaded\u003c\/h3\u003e\n    \u003cp\u003eAdd a \u003cstrong\u003eDual 2-ohm\u003c\/strong\u003e or \u003cstrong\u003eDual 4-ohm\u003c\/strong\u003e IDQ10 V4 directly to your order and we'll ship the complete loaded system, ready to wire to your amplifier. Already own your IDQ? Order the enclosure box-only and drop in the driver you have.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eStop Compromising Your IDQ\u003c\/h2\u003e\n    \u003cp\u003eDriver-specific engineering, Performance Series construction, and the option to bundle the IDQ10 V4 driver in one order. Build the box that was designed for the sub you've already chosen.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":43278722498649,"sku":"PO ID 10-S IDQ BB none","price":249.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":43278722793561,"sku":"PO ID 10-S IDQ B none","price":229.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/performance-optimized-sealed-10-enclosure-image-dynamics-idq-10subwoofer-enclosuresproline-x-2511067.webp?v=1779355148"},{"product_id":"performance-optimized-dual-sealed-10-enclosure-image-dynamics-idq-10","title":"Image Dynamics IDQ 10 Dual Box: Sealed 10\" Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(6, 182, 212, 0.2); border: 1px solid #06b6d4; color: #67e8f9; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #f0f9ff; }\n  .po-section h2 { color: #0e7490; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #06b6d4; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #06b6d4; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #0e7490; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #f0f9ff; border-left: 4px solid #06b6d4; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized | Dual Image Dynamics IDQ 10\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eDual 10\" Sealed Enclosure | Driver-Specific for the IDQ10 V4\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e2.0 ft³ Net\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eCommon Chamber\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e28\" × 14\" × 12.5\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTwo IDQ10 V4s in One Engineered Cabinet\u003c\/h2\u003e\n    \u003cp\u003eThe Dual Sealed 10 is a 2.0 cu ft common-chamber sealed enclosure engineered around two Image Dynamics IDQ10 V4 subwoofers. Total internal airspace, baffle geometry, and bracing layout are all tuned to the IDQ. Same driver-specific approach as the single, scaled to a properly loaded pair.\u003c\/p\u003e\n    \u003cp\u003eIf one IDQ10 V4 is good (and it is), two of them in a properly sized cabinet doesn't just double the output. It transforms the system. More cone area, more thermal headroom, smoother midbass loading, and a noticeably more relaxed presentation at the same SPL. The Dual Sealed 10 is the box that makes that happen without giving up the SQ characteristics that made you pick the IDQ in the first place.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e2.0 cubic feet of net internal volume, sized specifically for a pair of IDQ10 V4 drivers operating in a shared sealed environment. The same driver-specific engineering applied to the single, scaled correctly for two.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWhy More Cone Area Sounds Better, Not Just Louder\u003c\/h2\u003e\n    \u003cp\u003eDoubling the driver count isn't about hitting bigger numbers on a meter. It's about each driver doing less work to produce the same output. Two 10s playing at moderate excursion will always sound cleaner than a single 10 working hard to hit the same SPL. Lower distortion, lower thermal compression, and a presentation that sounds easier on the ears even at high listening levels.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTwice the Cone Area\u003c\/h4\u003e\n        \u003cp\u003eTwo IDQ10 V4s deliver roughly 2x the radiating area of a single 10. That extra surface area means each driver moves less to produce the same SPL, which translates directly to lower mechanical and thermal stress on each woofer.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eThermal Headroom\u003c\/h4\u003e\n        \u003cp\u003ePower split across two voice coils generates less heat per driver than the same total power into a single coil. Less heat means less thermal compression, which means consistent output across long listening sessions instead of the system getting quieter as it warms up.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eEffortless Midbass\u003c\/h4\u003e\n        \u003cp\u003eThe IDQ's strength is its tonal accuracy through the midbass region. Two of them sharing the workload pushes that strength further. Kick drums, bass guitar fundamentals, and vocal warmth all sit cleaner in the mix because neither driver is straining.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSound Quality at Volume\u003c\/h4\u003e\n        \u003cp\u003eThe biggest practical difference between one IDQ and two: you can listen at higher volumes without the system starting to sound stressed. At any given SPL, the pair is operating well below either driver's mechanical or thermal limits.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered Around the IDQ10 V4's Parameters\u003c\/h2\u003e\n    \u003cp\u003eThe 2.0 cu ft total volume is sized for two IDQs operating in a shared sealed environment. Effectively giving each driver access to 1.0 cu ft of net airspace, the same per-driver volume the single Performance Optimized Sealed 10 delivers. Image Dynamics calls for the IDQ10 V4 to live somewhere between 0.6 and 1.1 cubic feet sealed; 2.0 cu ft total puts the pair right in the SQ sweet spot most installers chase.\u003c\/p\u003e\n    \u003ch3\u003eVolume Selection\u003c\/h3\u003e\n    \u003cp\u003e2.0 cu ft net is the total internal volume after material thickness, bracing, and driver displacement. With two IDQs sharing the cabinet, each driver effectively operates against 1.0 cu ft of air spring, the upper end of the IDQ's compact-sealed range, where Image Dynamics' published parameters put Qtc at 1.09 on the D2 and 1.15 on the D4: a punchy alignment with about 2 dB of lift above Fc.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eBoth baffles are cut to the IDQ10 V4's exact 9.57\" cutout with 9.75\" bolt circle. 8\/32 threaded inserts at every mounting position, drop the IDQs in, hand-thread the supplied stainless hardware, done. The 5.81\" published mounting depth on the IDQ leaves comfortable internal clearance behind both magnet structures inside the 12.5\" deep cabinet.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, and a longer service life under daily use at real power levels.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the cabinet fold into shape with maximum glue surface. Dado joints lock the baffle and rear panel into the side walls. No fasteners visible from outside.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into both baffle backsides accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. Tolerances that manual fabrication can't hold. Joints close cleanly, baffle concentricity stays accurate, and internal volume is consistent unit to unit.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eBox-Only or Loaded Pair\u003c\/h3\u003e\n    \u003cp\u003eAdd a matched pair of \u003cstrong\u003eDual 2-ohm\u003c\/strong\u003e or \u003cstrong\u003eDual 4-ohm\u003c\/strong\u003e IDQ10 V4 drivers directly to your order and we'll ship the complete loaded system, ready to wire to your amplifier. Already own your IDQs? Order the enclosure box-only and drop in the drivers you have.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring Two IDQs to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eBoth drivers share a single terminal cup, pre-wired with 12-gauge OFC for clean signal transfer. The wiring configuration depends on the impedance version of the IDQs you run and what your amplifier is stable at.\u003c\/p\u003e\n    \u003ch3\u003eTwo Dual 2-Ohm IDQs\u003c\/h3\u003e\n    \u003cp\u003eEach driver's coils in parallel = 1 ohm per driver. Two 1-ohm drivers in series = 2 ohms combined. Two 1-ohm drivers in parallel = 0.5 ohm combined (most monoblock amps won't handle this. Verify your amp's stable load).\u003c\/p\u003e\n    \u003ch3\u003eTwo Dual 4-Ohm IDQs\u003c\/h3\u003e\n    \u003cp\u003eEach driver's coils in parallel = 2 ohms per driver. Two 2-ohm drivers in parallel = 1 ohm combined. Two 2-ohm drivers in series = 4 ohms combined. The Dual 4-ohm version is the more flexible option for most amplifier setups.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eTwo IDQs, Done Right\u003c\/h2\u003e\n    \u003cp\u003eDriver-specific airspace sized for a pair, Performance Series construction, and the option to bundle a matched pair of IDQ10 V4s in one order. The Dual Sealed 10 is the cabinet your IDQs were engineered to live in.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black \/ Box Only","offer_id":43285296382041,"sku":"PO ID 10D-S IDQ BB none","price":329.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Add 2 Dual 2ohm IDQ 10\"","offer_id":43285296414809,"sku":"PO ID 10D-S IDQ BB 2ohm","price":729.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Add 2 Dual 4ohm IDQ 10\"","offer_id":43285296447577,"sku":"PO ID 10D-S IDQ BB 4ohm","price":729.99,"currency_code":"USD","in_stock":true},{"title":"None \/ Box Only","offer_id":43285296775257,"sku":"PO ID 10D-S IDQ B none","price":309.99,"currency_code":"USD","in_stock":true},{"title":"None \/ Add 2 Dual 2ohm IDQ 10\"","offer_id":43285296808025,"sku":"PO ID 10D-S IDQ B 2ohm","price":709.99,"currency_code":"USD","in_stock":true},{"title":"None \/ Add 2 Dual 4ohm IDQ 10\"","offer_id":43285296840793,"sku":"PO ID 10D-S IDQ B 4ohm","price":709.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/performance-optimized-dual-sealed-10-enclosure-image-dynamics-idq-10subwoofer-enclosuresproline-x-6919893.webp?v=1779355145"},{"product_id":"performance-optimized-sealed-10-enclosure-sony-es","title":"Sony XS-W104ES Box: Sealed 10\" Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(6, 182, 212, 0.2); border: 1px solid #06b6d4; color: #67e8f9; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #f0f9ff; }\n  .po-section h2 { color: #0e7490; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #06b6d4; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #06b6d4; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #0e7490; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #f0f9ff; border-left: 4px solid #06b6d4; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized | Sony Mobile ES\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 10\" Sealed Enclosure | Driver-Specific for the XS-W104ES\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e1.0 ft³ Net\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eThreaded Inserts\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e20\" × 14\" × 9.5\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe Sony XS-W104ES Deserves a Box Built for It\u003c\/h2\u003e\n    \u003cp\u003eSony's Mobile ES Series represents the pinnacle of their car audio engineering. The XS-W104ES is built around a mica flake \/ aramid fiber \/ pulp cone with a honeycomb core, separated-notch rubber surround, and a 450-watt RMS power rating that demands a properly sized cabinet to deliver on its potential. Drop it in a generic box and you'll get good bass. Drop it in a cabinet engineered around its intended sealed alignment and you'll hear what the Mobile ES Series was designed to do.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Sealed 10 for Sony ES is that cabinet. Internal volume, baffle thickness, and mounting hardware are all chosen to extract the XS-W104ES's full mechanical and acoustic potential, not approximated, not averaged across a class of 10s, not adapted from a universal box.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003eThis enclosure is engineered specifically around the Sony XS-W104ES. The 1.0 cu ft net volume and direct-fit cutout are tuned to the Mobile ES Series 10, not a generic 10\" platform.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWhy Performance Optimized Sits Where It Does\u003c\/h2\u003e\n    \u003cp\u003eThe Performance Optimized line is the bridge between our standard Performance Series and our top-tier Professional Series. Same Performance-tier construction quality, Langboard Elite MDF, V-groove and dado joinery, ShopSabre CNC routing, but the geometry of every panel is cut around one specific driver instead of a class of drivers.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003evs Performance Series\u003c\/h4\u003e\n        \u003cp\u003eStandard Performance Series boxes (P6 through P15) are built for universal driver fitment within a size class. Great if you want flexibility across multiple driver options. Performance Optimized takes the same construction and locks the airspace and hardware to one specific driver.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003evs Professional Series\u003c\/h4\u003e\n        \u003cp\u003eProfessional Series uses extensive multi-layer baffles, triple-stacked construction, and a 2-year warranty for the most demanding builds. Performance Optimized delivers driver-specific engineering at a more accessible price point with a 1-year warranty.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered Around the XS-W104ES\u003c\/h2\u003e\n    \u003cp\u003eThe Sony Mobile ES Series 10\" performs best in a sealed cabinet that gives the cone the right air spring without pushing Qtc too high. 1.0 cu ft net is where the XS-W104ES settles into its intended SQ-oriented sealed alignment, tight, articulate transients on kick drums and bass guitar, controlled low-end extension, and the tonal accuracy Sony engineered the Mobile ES Series cone composition to deliver.\u003c\/p\u003e\n    \u003ch3\u003eVolume Selection\u003c\/h3\u003e\n    \u003cp\u003e1.0 cu ft net is the airspace that lets the Sony cone work cleanly without fighting the cabinet. Smaller volumes push Qtc up, adding midbass lift and costing low-end extension. Larger volumes pull Qtc down, leaning out the midbass and softening the punch. 1.0 cu ft is the SQ-oriented sweet spot for the Mobile ES Series 10.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eThe baffle is cut to the XS-W104ES's exact direct-fit specification. The 5.382\" mounting depth on the Sony leaves comfortable internal clearance behind the magnet structure inside the 9.5\" deep cabinet. No interference, no airspace robbed by a deep motor.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, and a longer service life under daily use at real power levels.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the cabinet fold into shape with maximum glue surface. Dado joints lock the baffle and rear panel into the side walls. No fasteners visible from outside.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the baffle backside accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. Tolerances that manual fabrication can't hold. Joints close cleanly, baffle concentricity stays accurate, and internal volume is consistent unit to unit.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eBox-Only or Loaded\u003c\/h3\u003e\n    \u003cp\u003eAdd a \u003cstrong\u003eSony XS-W104ES\u003c\/strong\u003e driver directly to your order and we'll ship the complete loaded system, ready to wire to your amplifier. Already own your XS-W104ES? Order the enclosure box-only and drop in the driver you have.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the XS-W104ES to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe Sony XS-W104ES is a single 4-ohm voice coil driver, simpler wiring than a dual-coil design, and ideally suited for monoblock subwoofer amplifiers stable at 2 or 4 ohms. The pre-wired terminal cup accepts the XS-W104ES's gold-plated spring terminals via 12-gauge OFC, with stainless hardware on the input side that accepts both spade and banana terminations.\u003c\/p\u003e\n    \u003cp\u003eThe XS-W104ES is rated for 450 watts RMS. Aim for a clean, well-regulated amplifier delivering 350 to 450 watts at 4 ohms, Sony designed this driver for refined power, not headline numbers. Mobile ES Series amplifiers from Sony's lineup are engineered to pair specifically with this driver, but any quality monoblock with honest 4-ohm output will work.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eStop Compromising Your Mobile ES\u003c\/h2\u003e\n    \u003cp\u003eDriver-specific engineering, Performance Series construction, and the option to bundle the XS-W104ES driver in one order. Build the box that was designed for the sub you've already chosen.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black \/ Box Only","offer_id":43287920181337,"sku":"PO10-S SONY BB","price":249.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920246873,"sku":"PO10-S SONY BB S4","price":449.99,"currency_code":"USD","in_stock":true},{"title":"None \/ Box Only","offer_id":43287920574553,"sku":"PO10-S SONY B","price":229.99,"currency_code":"USD","in_stock":true},{"title":"None \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920640089,"sku":"PO10-S SONY B S4","price":429.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/performance-optimized-sealed-10-enclosure-sony-essubwoofer-enclosuresproline-x-2829482.webp?v=1779355147"},{"product_id":"performance-optimized-dual-sealed-12-enclosure-image-dynamics-idq-12","title":"Image Dynamics IDQ 12 Dual Box: Sealed 12\" Enclosure","description":"\u003cdiv class=\"po-desc\"\u003e\n\u003cstyle\u003e\n  .po-desc {\n    --po-dark: #0f172a;\n    --po-deep: #0e7490;\n    --po-accent: #06b6d4;\n    --po-tint: #f0f9ff;\n    --po-line: #cfe8f3;\n    --po-text: #1a2233;\n    --po-muted: #4a5568;\n    max-width: 1200px;\n    margin: 0 auto;\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n    color: var(--po-text) !important;\n    line-height: 1.6;\n  }\n  .po-desc * { box-sizing: border-box; }\n  .po-hero {\n    background: linear-gradient(135deg, var(--po-dark) 0%, #134e63 55%, var(--po-deep) 100%);\n    color: #fff !important;\n    padding: 56px 44px;\n    border-radius: 14px;\n    text-align: center;\n  }\n  .po-hero .po-eyebrow {\n    display: inline-block;\n    font-size: 13px;\n    letter-spacing: 2.5px;\n    text-transform: uppercase;\n    color: #7dd3fc !important;\n    font-weight: 700;\n    margin-bottom: 16px;\n  }\n  .po-hero h2 {\n    font-size: 34px;\n    line-height: 1.2;\n    margin: 0 0 14px;\n    color: #fff !important;\n    font-weight: 800;\n  }\n  .po-hero p {\n    font-size: 18px;\n    color: #d6f0fa !important;\n    max-width: 760px;\n    margin: 0 auto;\n  }\n  .po-badges {\n    display: flex;\n    flex-wrap: wrap;\n    justify-content: center;\n    gap: 10px;\n    margin-top: 22px;\n  }\n  .po-badge {\n    background: rgba(255,255,255,0.12);\n    border: 1px solid rgba(125,211,252,0.5);\n    color: #d6f0fa !important;\n    font-size: 12.5px;\n    font-weight: 700;\n    letter-spacing: 1px;\n    text-transform: uppercase;\n    padding: 7px 14px;\n    border-radius: 999px;\n  }\n  .po-section {\n    background: #ffffff;\n    padding: 40px 44px;\n    margin-top: 26px;\n    border-radius: 14px;\n    border: 1px solid var(--po-line);\n  }\n  .po-section.tint { background: var(--po-tint); }\n  .po-section h3 {\n    font-size: 25px;\n    margin: 0 0 18px;\n    color: var(--po-deep) !important;\n    font-weight: 800;\n  }\n  .po-section p {\n    font-size: 16.5px;\n    color: var(--po-text) !important;\n    margin: 0 0 16px;\n  }\n  .po-section p:last-child { margin-bottom: 0; }\n  .po-highlight {\n    border-left: 4px solid var(--po-accent);\n    background: #ecfbff;\n    padding: 20px 24px;\n    border-radius: 0 10px 10px 0;\n    margin: 22px 0 0;\n  }\n  .po-highlight p { margin: 0; font-size: 16px; }\n  .po-grid {\n    display: grid;\n    grid-template-columns: 1fr 1fr;\n    gap: 20px;\n    margin-top: 24px;\n  }\n  @media (max-width: 720px) { .po-grid { grid-template-columns: 1fr; } }\n  .po-card {\n    background: #ffffff;\n    border: 1px solid var(--po-line);\n    border-radius: 12px;\n    padding: 26px;\n  }\n  .po-card-label {\n    display: inline-block;\n    font-size: 11.5px;\n    letter-spacing: 1.5px;\n    text-transform: uppercase;\n    color: var(--po-accent) !important;\n    font-weight: 700;\n    margin-bottom: 10px;\n  }\n  .po-card h4 {\n    font-size: 18.5px;\n    margin: 0 0 12px;\n    color: var(--po-deep) !important;\n    font-weight: 700;\n  }\n  .po-card-divider {\n    width: 42px;\n    height: 3px;\n    background: var(--po-accent);\n    border-radius: 2px;\n    margin: 0 0 14px;\n  }\n  .po-card p { font-size: 15.5px; color: var(--po-muted) !important; margin: 0; }\n  .po-stats {\n    display: grid;\n    grid-template-columns: repeat(3, 1fr);\n    gap: 16px;\n    margin-top: 22px;\n  }\n  @media (max-width: 720px) { .po-stats { grid-template-columns: 1fr; } }\n  .po-stat-cell {\n    background: linear-gradient(160deg, #134e63, var(--po-deep));\n    color: #fff !important;\n    border-radius: 12px;\n    padding: 24px 20px;\n    text-align: center;\n  }\n  .po-stat-cell .num {\n    display: block;\n    font-size: 30px;\n    font-weight: 800;\n    line-height: 1.1;\n    color: #fff !important;\n  }\n  .po-stat-cell .unit {\n    display: block;\n    font-size: 13px;\n    letter-spacing: 1px;\n    text-transform: uppercase;\n    color: #a5e3f7 !important;\n    margin-top: 8px;\n  }\n  .po-cta {\n    background: linear-gradient(135deg, var(--po-deep) 0%, #134e63 50%, var(--po-dark) 100%);\n    color: #fff !important;\n    padding: 44px;\n    border-radius: 14px;\n    text-align: center;\n    margin-top: 26px;\n  }\n  .po-cta h3 { color: #fff !important; font-size: 24px; margin: 0 0 12px; font-weight: 800; }\n  .po-cta p { color: #d6f0fa !important; font-size: 16.5px; margin: 0 auto; max-width: 680px; }\n\u003c\/style\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cspan class=\"po-eyebrow\"\u003eProline X Performance Optimized Series\u003c\/span\u003e\n    \u003ch2\u003eDual Sealed 12\" Enclosure | Image Dynamics IDQ12 V4\u003c\/h2\u003e\n    \u003cp\u003eTwo IDQ12 V4 subwoofers. One precision airspace. This driver-specific sealed enclosure is CNC-cut around the IDQ12's published parameters, so a pair of the most musical 12s in car audio gets exactly the box they were engineered for.\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eCNC-Cut in Tennessee\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003ePre-Wired\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e1-Year Warranty\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch3\u003eEngineered Around the IDQ12 V4\u003c\/h3\u003e\n    \u003cp\u003eThe Image Dynamics IDQ12 V4 is a sealed-box subwoofer by design, with an EBP of 40 that tells you exactly where it belongs. This enclosure gives a pair of them the airspace Image Dynamics' parameters call for: approximately 2.8 cubic feet of net internal volume in a shared common chamber, roughly 1.4 cubic feet per driver after displacement. That sits in the extended range of the IDQ12's sealed window, trading a touch of box punch for deeper extension while preserving the transient accuracy that wins sound quality lanes.\u003c\/p\u003e\n    \u003cp\u003eThe baffle is cut for the IDQ12 V4's 10.87 inch cutout on both positions, and the 15 inch depth swallows the driver's 5.91 inch mounting depth with room to breathe. Polyfill comes pre-installed, so the enclosure performs as modeled the day it arrives.\u003c\/p\u003e\n    \u003cdiv class=\"po-stats\"\u003e\n      \u003cdiv class=\"po-stat-cell\"\u003e\n\u003cspan class=\"num\"\u003e2.8 ft³\u003c\/span\u003e\u003cspan class=\"unit\"\u003eNet Volume, Common Chamber\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"po-stat-cell\"\u003e\n\u003cspan class=\"num\"\u003e30x15x15\u003c\/span\u003e\u003cspan class=\"unit\"\u003eExternal Inches (WxHxD)\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"po-stat-cell\"\u003e\n\u003cspan class=\"num\"\u003e1000W\u003c\/span\u003e\u003cspan class=\"unit\"\u003eSystem RMS (2 x 500W)\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section tint\"\u003e\n    \u003ch3\u003ePerformance Optimized Construction\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut from Langboard Elite MDF on our ShopSabre routers in Tullahoma, Tennessee, with precision V-groove and dado joinery for panel alignment and long-term sealed integrity. The baffle carries 8\/32 threaded inserts matched to the IDQ12 V4's published mounting pattern, with stainless steel machine screws included, so the drivers bolt down with real hardware instead of wood screws.\u003c\/p\u003e\n    \u003cp\u003eConnections run through the Proline X ABS and carbon fiber composite terminal cup with stainless hardware and copper ring terminals, pre-wired with 12-gauge OFC to both driver positions. Drop the subs in, land two wires at the cup, and the install is done.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003eThis is the same driver-specific approach as our Professional Series: airspace, cutouts, and hardware locked to one driver, the Image Dynamics IDQ12 V4, rather than averaged across a class of 12s.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch3\u003eFinish It Your Way\u003c\/h3\u003e\n    \u003cp\u003eThe enclosure comes wrapped in Plush Black carpet as standard. The front baffle takes a black acrylic insert, or can be ordered without the insert for a clean, blacked-out face at $20 less.\u003c\/p\u003e\n    \u003cp\u003eOrder the box on its own if you already have your drivers, or bundle it with a matched pair of IDQ12 V4 subwoofers in Dual 2-ohm or Dual 4-ohm, and we ship everything together. A pair of Dual 2-ohm drivers wires to a 2-ohm final load; a pair of Dual 4-ohm drivers wires to 1 ohm or 4 ohms.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-grid\"\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eAirspace\u003c\/span\u003e\n      \u003ch4\u003eDriver-Matched Volume\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eApproximately 1.4 cubic feet per driver in a common chamber, set against the IDQ12 V4's published sealed parameters.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eJoinery\u003c\/span\u003e\n      \u003ch4\u003eV-Groove + Dado Construction\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eCNC-cut Langboard Elite MDF with precision joinery for rigid panels and an airtight sealed cabinet that stays that way.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eHardware\u003c\/span\u003e\n      \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eMatched to the IDQ12 V4 mounting pattern with stainless machine screws included. Real fasteners, repeatable torque.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eWiring\u003c\/span\u003e\n      \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired in 12-gauge OFC to both positions.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eStyle\u003c\/span\u003e\n      \u003ch4\u003eAcrylic Insert Options\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eBlack front acrylic as standard, or skip the insert for a blacked-out baffle ($20 less).\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eBundles\u003c\/span\u003e\n      \u003ch4\u003eBox Only or Loaded\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eOrder the enclosure alone or bundled with a matched pair of IDQ12 V4 drivers in Dual 2-ohm or Dual 4-ohm.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch3\u003eThe Box Two IDQ12s Deserve\u003c\/h3\u003e\n    \u003cp\u003ePrecision airspace, real hardware, and pre-wired connections, built around one driver and cut on CNC in Tennessee. Pair it with 1000 clean watts and let a dual IDQ12 V4 sealed stage do what it was engineered to do.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black \/ Box Only","offer_id":43382076997721,"sku":"PO ID 12D-S IDQ BB none","price":389.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Add 2 Dual 2ohm IDQ 12\"","offer_id":43382077030489,"sku":"PO ID 12D-S IDQ BB 2ohm","price":949.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Add 2 Dual 4ohm IDQ 12\"","offer_id":43382077063257,"sku":"PO ID 12D-S IDQ BB 4ohm","price":949.99,"currency_code":"USD","in_stock":true},{"title":"None \/ Box Only","offer_id":43382077390937,"sku":"PO ID 12D-S IDQ B none","price":369.99,"currency_code":"USD","in_stock":true},{"title":"None \/ Add 2 Dual 2ohm IDQ 12\"","offer_id":43382077423705,"sku":"PO ID 12D-S IDQ B 2ohm","price":929.99,"currency_code":"USD","in_stock":true},{"title":"None \/ Add 2 Dual 4ohm IDQ 12\"","offer_id":43382077456473,"sku":"PO ID 12D-S IDQ B 4ohm","price":929.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/performance-optimized-dual-sealed-10-enclosure-image-dynamics-idq-10subwoofer-enclosuresproline-x-6919893.webp?v=1779355145"},{"product_id":"performance-optimized-sealed-12-enclosure-image-dynamics-idq-12","title":"Image Dynamics IDQ 12 Box: Sealed 12\" Enclosure","description":"\u003cdiv class=\"po-desc\"\u003e\n\u003cstyle\u003e\n  .po-desc {\n    --po-dark: #0f172a;\n    --po-deep: #0e7490;\n    --po-accent: #06b6d4;\n    --po-tint: #f0f9ff;\n    --po-line: #cfe8f3;\n    --po-text: #1a2233;\n    --po-muted: #4a5568;\n    max-width: 1200px;\n    margin: 0 auto;\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n    color: var(--po-text) !important;\n    line-height: 1.6;\n  }\n  .po-desc * { box-sizing: border-box; }\n  .po-hero {\n    background: linear-gradient(135deg, var(--po-dark) 0%, #134e63 55%, var(--po-deep) 100%);\n    color: #fff !important;\n    padding: 56px 44px;\n    border-radius: 14px;\n    text-align: center;\n  }\n  .po-hero .po-eyebrow {\n    display: inline-block;\n    font-size: 13px;\n    letter-spacing: 2.5px;\n    text-transform: uppercase;\n    color: #7dd3fc !important;\n    font-weight: 700;\n    margin-bottom: 16px;\n  }\n  .po-hero h2 {\n    font-size: 34px;\n    line-height: 1.2;\n    margin: 0 0 14px;\n    color: #fff !important;\n    font-weight: 800;\n  }\n  .po-hero p {\n    font-size: 18px;\n    color: #d6f0fa !important;\n    max-width: 760px;\n    margin: 0 auto;\n  }\n  .po-badges {\n    display: flex;\n    flex-wrap: wrap;\n    justify-content: center;\n    gap: 10px;\n    margin-top: 22px;\n  }\n  .po-badge {\n    background: rgba(255,255,255,0.12);\n    border: 1px solid rgba(125,211,252,0.5);\n    color: #d6f0fa !important;\n    font-size: 12.5px;\n    font-weight: 700;\n    letter-spacing: 1px;\n    text-transform: uppercase;\n    padding: 7px 14px;\n    border-radius: 999px;\n  }\n  .po-section {\n    background: #ffffff;\n    padding: 40px 44px;\n    margin-top: 26px;\n    border-radius: 14px;\n    border: 1px solid var(--po-line);\n  }\n  .po-section.tint { background: var(--po-tint); }\n  .po-section h3 {\n    font-size: 25px;\n    margin: 0 0 18px;\n    color: var(--po-deep) !important;\n    font-weight: 800;\n  }\n  .po-section p {\n    font-size: 16.5px;\n    color: var(--po-text) !important;\n    margin: 0 0 16px;\n  }\n  .po-section p:last-child { margin-bottom: 0; }\n  .po-highlight {\n    border-left: 4px solid var(--po-accent);\n    background: #ecfbff;\n    padding: 20px 24px;\n    border-radius: 0 10px 10px 0;\n    margin: 22px 0 0;\n  }\n  .po-highlight p { margin: 0; font-size: 16px; }\n  .po-grid {\n    display: grid;\n    grid-template-columns: 1fr 1fr;\n    gap: 20px;\n    margin-top: 24px;\n  }\n  @media (max-width: 720px) { .po-grid { grid-template-columns: 1fr; } }\n  .po-card {\n    background: #ffffff;\n    border: 1px solid var(--po-line);\n    border-radius: 12px;\n    padding: 26px;\n  }\n  .po-card-label {\n    display: inline-block;\n    font-size: 11.5px;\n    letter-spacing: 1.5px;\n    text-transform: uppercase;\n    color: var(--po-accent) !important;\n    font-weight: 700;\n    margin-bottom: 10px;\n  }\n  .po-card h4 {\n    font-size: 18.5px;\n    margin: 0 0 12px;\n    color: var(--po-deep) !important;\n    font-weight: 700;\n  }\n  .po-card-divider {\n    width: 42px;\n    height: 3px;\n    background: var(--po-accent);\n    border-radius: 2px;\n    margin: 0 0 14px;\n  }\n  .po-card p { font-size: 15.5px; color: var(--po-muted) !important; margin: 0; }\n  .po-stats {\n    display: grid;\n    grid-template-columns: repeat(3, 1fr);\n    gap: 16px;\n    margin-top: 22px;\n  }\n  @media (max-width: 720px) { .po-stats { grid-template-columns: 1fr; } }\n  .po-stat-cell {\n    background: linear-gradient(160deg, #134e63, var(--po-deep));\n    color: #fff !important;\n    border-radius: 12px;\n    padding: 24px 20px;\n    text-align: center;\n  }\n  .po-stat-cell .num {\n    display: block;\n    font-size: 30px;\n    font-weight: 800;\n    line-height: 1.1;\n    color: #fff !important;\n  }\n  .po-stat-cell .unit {\n    display: block;\n    font-size: 13px;\n    letter-spacing: 1px;\n    text-transform: uppercase;\n    color: #a5e3f7 !important;\n    margin-top: 8px;\n  }\n  .po-cta {\n    background: linear-gradient(135deg, var(--po-deep) 0%, #134e63 50%, var(--po-dark) 100%);\n    color: #fff !important;\n    padding: 44px;\n    border-radius: 14px;\n    text-align: center;\n    margin-top: 26px;\n  }\n  .po-cta h3 { color: #fff !important; font-size: 24px; margin: 0 0 12px; font-weight: 800; }\n  .po-cta p { color: #d6f0fa !important; font-size: 16.5px; margin: 0 auto; max-width: 680px; }\n\u003c\/style\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cspan class=\"po-eyebrow\"\u003eProline X Performance Optimized Series\u003c\/span\u003e\n    \u003ch2\u003eSealed 12\" Enclosure | Image Dynamics IDQ12 V4\u003c\/h2\u003e\n    \u003cp\u003eOne driver, one airspace, zero compromise. This driver-specific sealed enclosure is CNC-cut around the Image Dynamics IDQ12 V4's published parameters, giving one of the most musical 12s in car audio exactly the box it was engineered for.\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eCNC-Cut in Tennessee\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003ePre-Wired\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e1-Year Warranty\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch3\u003eEngineered Around the IDQ12 V4\u003c\/h3\u003e\n    \u003cp\u003eThe Image Dynamics IDQ12 V4 is a sealed-box subwoofer by design, with an EBP of 40 that tells you exactly where it belongs. This enclosure gives it 1.4 cubic feet of net internal volume, the extended portion of the IDQ12's sealed window. Compared to the tighter 1.0 cubic foot alignment, that buys deeper bass extension while preserving the transient accuracy and tonal neutrality that built the IDQ Series' sound quality reputation.\u003c\/p\u003e\n    \u003cp\u003eThe baffle is cut for the IDQ12 V4's 10.87 inch cutout, the 10.5 inch cabinet depth clears the driver's 5.91 inch mounting depth comfortably, and polyfill comes pre-installed so the enclosure performs as modeled the day it arrives.\u003c\/p\u003e\n    \u003cdiv class=\"po-stats\"\u003e\n      \u003cdiv class=\"po-stat-cell\"\u003e\n\u003cspan class=\"num\"\u003e1.4 ft³\u003c\/span\u003e\u003cspan class=\"unit\"\u003eNet Internal Volume\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"po-stat-cell\"\u003e\n\u003cspan class=\"num\"\u003e24x15x10.5\u003c\/span\u003e\u003cspan class=\"unit\"\u003eExternal Inches (WxHxD)\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"po-stat-cell\"\u003e\n\u003cspan class=\"num\"\u003e500W\u003c\/span\u003e\u003cspan class=\"unit\"\u003eRMS (IDQ12 V4)\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section tint\"\u003e\n    \u003ch3\u003ePerformance Optimized Construction\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut from Langboard Elite MDF on our ShopSabre routers in Tullahoma, Tennessee, with precision V-groove and dado joinery for panel alignment and long-term sealed integrity. The baffle carries 8\/32 threaded inserts matched to the IDQ12 V4's published mounting pattern, with stainless steel machine screws included, so the driver bolts down with real hardware instead of wood screws.\u003c\/p\u003e\n    \u003cp\u003eConnections run through the Proline X ABS and carbon fiber composite terminal cup with stainless hardware and copper ring terminals, pre-wired with 12-gauge OFC to the driver position. Drop the sub in, land two wires at the cup, and the install is done.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003eThis is the same driver-specific approach as our Professional Series: airspace, cutout, and hardware locked to one driver, the Image Dynamics IDQ12 V4, rather than averaged across a class of 12s.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch3\u003eFinish It Your Way\u003c\/h3\u003e\n    \u003cp\u003eThe enclosure comes wrapped in Plush Black carpet as standard. The front baffle takes a black acrylic insert, or can be ordered without the insert for a clean, blacked-out face at $20 less.\u003c\/p\u003e\n    \u003cp\u003eOrder the box on its own if you already have your driver, or bundle it with an IDQ12 V4 in Dual 2-ohm or Dual 4-ohm, and we ship everything together. A Dual 2-ohm driver wires to 1 ohm or 4 ohms; a Dual 4-ohm driver wires to 2 ohms or 8 ohms.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-grid\"\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eAirspace\u003c\/span\u003e\n      \u003ch4\u003e1.4 Cubic Feet, Driver-Matched\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe extended end of the IDQ12 V4's sealed window, set against Image Dynamics' published parameters for deeper extension.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eJoinery\u003c\/span\u003e\n      \u003ch4\u003eV-Groove + Dado Construction\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eCNC-cut Langboard Elite MDF with precision joinery for rigid panels and an airtight sealed cabinet that stays that way.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eHardware\u003c\/span\u003e\n      \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eMatched to the IDQ12 V4 mounting pattern with stainless machine screws included. Real fasteners, repeatable torque.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eWiring\u003c\/span\u003e\n      \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired in 12-gauge OFC.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eStyle\u003c\/span\u003e\n      \u003ch4\u003eAcrylic Insert Options\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eBlack front acrylic as standard, or skip the insert for a blacked-out baffle ($20 less).\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eBundles\u003c\/span\u003e\n      \u003ch4\u003eBox Only or Loaded\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eOrder the enclosure alone or bundled with an IDQ12 V4 driver in Dual 2-ohm or Dual 4-ohm.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch3\u003eThe Box the IDQ12 Deserves\u003c\/h3\u003e\n    \u003cp\u003ePrecision airspace, real hardware, and pre-wired connections, built around one driver and cut on CNC in Tennessee. Give the IDQ12 V4 500 clean watts and the right 1.4 cubic feet, and let it do what it was engineered to do.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black \/ Box Only","offer_id":43382222192729,"sku":"PO ID 12-S IDQ BB none","price":299.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Add a Dual 2ohm IDQ 12\"","offer_id":43382222225497,"sku":"PO ID 12-S IDQ BB 2ohm","price":579.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Add a Dual 4ohm IDQ 12\"","offer_id":43382222258265,"sku":"PO ID 12-S IDQ BB 4ohm","price":579.99,"currency_code":"USD","in_stock":true},{"title":"None \/ Box Only","offer_id":43382222585945,"sku":"PO ID 12-S IDQ B none","price":279.99,"currency_code":"USD","in_stock":true},{"title":"None \/ Add a Dual 2ohm IDQ 12\"","offer_id":43382222618713,"sku":"PO ID 12-S IDQ B 2ohm","price":559.99,"currency_code":"USD","in_stock":true},{"title":"None \/ Add a Dual 4ohm IDQ 12\"","offer_id":43382222651481,"sku":"PO ID 12-S IDQ B 4ohm","price":559.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/performance-optimized-sealed-10-enclosure-image-dynamics-idq-10subwoofer-enclosuresproline-x-2511067.webp?v=1779355148"},{"product_id":"performance-optimized-dual-sealed-12-enclosure-arc-audio-12-arc-series","title":"Arc Audio ARC 12 Dual Box: Sealed 12\" Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(6, 182, 212, 0.2); border: 1px solid #06b6d4; color: #67e8f9; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #f0f9ff; }\n  .po-section h2 { color: #0e7490; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #06b6d4; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #06b6d4; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #0e7490; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #f0f9ff; border-left: 4px solid #06b6d4; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized | Dual Arc Audio ARC 12\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eDual 12\" Sealed Enclosure | Driver-Specific for the Arc Audio ARC Series 12\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e2.2 ft³ Net\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eCommon Chamber\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e32\" × 15\" × 12\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTwo Arc ARC 12s in One Engineered Cabinet\u003c\/h2\u003e\n    \u003cp\u003eThe Performance Optimized Dual Sealed 12 is a 2.2 cubic foot common-chamber sealed enclosure engineered around a pair of Arc Audio ARC Series 12\" subwoofers. Total internal airspace, baffle geometry, and bracing layout are all tuned to the ARC 12's linear excursion characteristics and 350-watt RMS power handling. Same driver-specific approach as the single Performance Optimized boxes, scaled to a properly loaded pair.\u003c\/p\u003e\n    \u003cp\u003eThe ARC Series is Arc Audio's balanced-performance line, enough motor to hit hard, enough refinement to stay musical. Two of them in a properly sized cabinet doesn't just double the output. It cuts the workload on each driver in half, drops distortion, extends thermal headroom, and gives you the effortless midbass presentation that separates a serious system from a loud one.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e2.2 cubic feet of net internal volume, sized specifically for a pair of Arc Audio ARC 12 drivers operating in a shared sealed environment. Each driver effectively operates against 1.1 cubic feet of airspace, the middle of Arc's specified sealed range of 0.9 to 1.25 cubic feet per driver.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWhy More Cone Area Sounds Better, Not Just Louder\u003c\/h2\u003e\n    \u003cp\u003eDoubling the driver count isn't about hitting bigger numbers on a meter. It's about each driver doing less work to produce the same output. Two 12s playing at moderate excursion will always sound cleaner than a single 12 working hard to hit the same SPL. Lower distortion, lower thermal compression, and a presentation that sounds easier on the ears even at high listening levels.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTwice the Cone Area\u003c\/h4\u003e\n        \u003cp\u003eTwo Arc ARC 12s deliver roughly twice the radiating area of a single 12. That extra surface area means each driver moves less to produce the same SPL, which translates directly to lower mechanical and thermal stress on each woofer.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e700 Watts RMS System Rating\u003c\/h4\u003e\n        \u003cp\u003eEach Arc ARC 12 handles 350 watts RMS. Power split across two drivers generates less heat per voice coil than the same total power into a single coil. Less heat means less thermal compression across long listening sessions.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eEffortless Midbass\u003c\/h4\u003e\n        \u003cp\u003eArc Audio's linear excursion philosophy is designed for consistent performance across all volume levels. Two ARC 12s sharing the workload push that consistency further. Kick drums, bass guitar fundamentals, and vocal warmth all sit cleaner because neither driver is straining.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSound Quality at Volume\u003c\/h4\u003e\n        \u003cp\u003eThe biggest practical difference between one Arc ARC 12 and two: you can listen at higher volumes without the system starting to sound stressed. At any given SPL, the pair is operating well below either driver's mechanical or thermal limits.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered Around the Arc ARC 12's Parameters\u003c\/h2\u003e\n    \u003cp\u003eArc Audio specifies the ARC Series 12 for sealed enclosures between 0.9 and 1.25 cubic feet per driver. The Performance Optimized Dual Sealed 12 delivers 2.2 cubic feet total, which gives each ARC 12 access to 1.1 cubic feet of effective airspace, the middle of Arc's specified range, where the driver's linear excursion behavior and thermal characteristics both perform optimally.\u003c\/p\u003e\n    \u003ch3\u003eVolume Selection\u003c\/h3\u003e\n    \u003cp\u003e2.2 cubic feet net is the total internal volume after material thickness, bracing, and driver displacement. With two ARC 12s sharing the cabinet, each driver effectively operates against 1.1 cubic feet of air spring, the SQ-oriented middle of the ARC 12's sealed range, where Qtc lands near the ideal target for clean transient response and controlled low-end extension.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eBoth baffles are cut to the Arc ARC 12's exact mounting specification. Arc Audio's proprietary four-spoke stamped steel basket with compound-curve construction and integrated cooling vents drops in cleanly, with adequate internal clearance behind both magnet structures inside the 12\" deep cabinet.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, and a longer service life under daily use at real power levels.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the cabinet fold into shape with maximum glue surface. Dado joints lock the baffle and rear panel into the side walls. No fasteners visible from outside.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into both baffle backsides accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. Tolerances that manual fabrication can't hold. Joints close cleanly, baffle concentricity stays accurate, and internal volume is consistent unit to unit. The finished cabinet weighs 45 pounds, the mass that comes from real MDF, honest construction, and no hollow corners.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is the enclosure only. Bring your own pair of Arc Audio 12\" Arc Series.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring Two Arc ARC 12s to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eBoth drivers share a single terminal cup, pre-wired with 12-gauge OFC for clean signal transfer. The wiring configuration depends on the impedance version of the ARC 12s you run and what your amplifier is stable at.\u003c\/p\u003e\n    \u003ch3\u003eTwo Dual 2-Ohm Arc ARC 12s\u003c\/h3\u003e\n    \u003cp\u003eEach driver's coils in parallel = 1 ohm per driver. Two 1-ohm drivers in series = 2 ohms combined. Two 1-ohm drivers in parallel = 0.5 ohm combined (most monoblock amps won't handle this. Verify your amp's stable load).\u003c\/p\u003e\n    \u003ch3\u003eTwo Dual 4-Ohm Arc ARC 12s\u003c\/h3\u003e\n    \u003cp\u003eEach driver's coils in parallel = 2 ohms per driver. Two 2-ohm drivers in parallel = 1 ohm combined. Two 2-ohm drivers in series = 4 ohms combined. The Dual 4-ohm version is the more flexible option for most amplifier setups.\u003c\/p\u003e\n    \u003cp\u003eArc Audio manufactures monoblock amplifiers engineered to pair specifically with their subwoofer lineup, the Arc Audio XD Series and Mini Series monoblocks in the 700-800 watt RMS range give you a fully matched system. Any quality monoblock stable at your chosen impedance will also work well.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eTwo Arc ARC 12s, Done Right\u003c\/h2\u003e\n    \u003cp\u003eDriver-specific airspace sized for a pair, Performance Series construction, and the option to bundle a matched pair of Arc Audio ARC 12 drivers in one order. The Performance Optimized Dual Sealed 12 is the cabinet Arc's ARC Series 12s were engineered to live in.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":43493596823641,"sku":"PO ARC 12D-S BB none","price":389.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":43493597216857,"sku":"PO ARC 12D-S B none","price":369.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/performance-optimized-dual-sealed-10-enclosure-arc-audio-10-arc-seriessubwoofer-enclosuresproline-x-4109294.webp?v=1783112230"},{"product_id":"performance-optimized-dual-sealed-10-enclosure-arc-audio-10-arc-series","title":"Arc Audio ARC 10 Dual Box: Sealed 10\" Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(6, 182, 212, 0.2); border: 1px solid #06b6d4; color: #67e8f9; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #f0f9ff; }\n  .po-section h2 { color: #0e7490; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #06b6d4; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #06b6d4; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #0e7490; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #f0f9ff; border-left: 4px solid #06b6d4; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized | Dual Arc Audio ARC 10\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eDual 10\" Sealed Enclosure | Driver-Specific for the Arc Audio ARC Series 10\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e1.5 ft³ Net\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eCommon Chamber\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e28\" × 14\" × 10.5\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTwo Arc ARC 10s in One Engineered Cabinet\u003c\/h2\u003e\n    \u003cp\u003eThe Performance Optimized Dual Sealed 10 is a 1.5 cubic foot common-chamber sealed enclosure engineered around a pair of Arc Audio ARC Series 10\" subwoofers. Total internal airspace, baffle geometry, and bracing layout are all tuned to the ARC 10's linear excursion characteristics and 250-watt RMS power handling. Same driver-specific approach as the single Performance Optimized boxes, scaled to a properly loaded pair.\u003c\/p\u003e\n    \u003cp\u003eTwo Arc ARC 10s in a properly sized cabinet don't just double the output. Two 10-inch drivers deliver more total cone area than a single 12, produce cleaner transient response due to smaller cone mass, and split the workload so each driver runs cooler and with less excursion at the same SPL. The Performance Optimized Dual Sealed 10 is the cabinet that lets the ARC 10 pair do what they're engineered to do.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e1.5 cubic feet of net internal volume, sized specifically for a pair of Arc Audio ARC 10 drivers operating in a shared sealed environment. Each driver effectively operates against 0.75 cubic feet of airspace. Dialed toward the SQ side of Arc Audio's specified sealed range of 0.65 to 1.1 cubic feet per driver.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWhy Dual 10s Instead of a Single 12\u003c\/h2\u003e\n    \u003cp\u003eDual 10s vs single 12 is one of the most persistent debates in car audio, and the honest answer depends on what you value. If you want the tightest transient response, the cleanest midbass integration, and the most efficient use of trunk space, dual 10s win. If you want maximum output per driver and a smaller total cabinet footprint, a single 12 makes sense. For the Arc ARC 10 specifically, the dual configuration plays to the driver's strengths.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eMore Total Cone Area\u003c\/h4\u003e\n        \u003cp\u003eTwo 10-inch subwoofers deliver approximately 157 square inches of combined cone area vs 113 square inches for a single 12. The extra radiating surface produces the same SPL at lower excursion per driver. Cleaner sound at every volume level.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e500 Watts RMS System Rating\u003c\/h4\u003e\n        \u003cp\u003eEach Arc ARC 10 handles 250 watts RMS. Power split across two drivers generates less heat per voice coil than the same total power into a single coil. Less heat means less thermal compression across long listening sessions.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eFaster Transient Response\u003c\/h4\u003e\n        \u003cp\u003eSmaller 10-inch cones with lower moving mass respond faster to input signal changes than larger 12-inch cones. Kick drums start and stop cleanly, bass guitar articulation stays intact, and integration with midbass drivers is more natural.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eWider Cabinet, Shallower Depth\u003c\/h4\u003e\n        \u003cp\u003eThe 28\" x 14\" x 10.5\" footprint is wider than a comparable single 12 cabinet but shallower, which fits behind seats and against trunk walls better than a deeper, narrower single-driver box. Different geometry, better real-world fitment.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered Around the Arc ARC 10's Parameters\u003c\/h2\u003e\n    \u003cp\u003eArc Audio specifies the ARC Series 10 for sealed enclosures between 0.65 and 1.1 cubic feet per driver. 0.85 cubic feet as the published optimum. The Performance Optimized Dual Sealed 10 delivers 1.5 cubic feet total, which gives each ARC 10 access to 0.75 cubic feet of effective airspace, between Arc's minimum and optimum, dialed toward the SQ side of the driver's specified range for tighter transient response and cleaner midbass integration.\u003c\/p\u003e\n    \u003ch3\u003eVolume Selection\u003c\/h3\u003e\n    \u003cp\u003e1.5 cubic feet net is the total internal volume after material thickness, bracing, and driver displacement. With two ARC 10s sharing the cabinet, each driver effectively operates against 0.75 cubic feet of air spring, the SQ-oriented middle of the ARC 10's sealed range, where Qtc lands where it should for balanced transient response and controlled low-end extension.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eBoth baffles are cut to the Arc ARC 10's exact mounting specification. The ARC 10's 5.5\" mounting depth leaves comfortable internal clearance behind both magnet structures inside the 10.5\" deep cabinet. Arc Audio's proprietary four-spoke stamped steel basket with compound-curve construction and integrated cooling vents drops in cleanly with room for magnet ventilation.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, and a longer service life under daily use at real power levels.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the cabinet fold into shape with maximum glue surface. Dado joints lock the baffle and rear panel into the side walls. No fasteners visible from outside.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into both baffle backsides accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. Tolerances that manual fabrication can't hold. Joints close cleanly, baffle concentricity stays accurate, and internal volume is consistent unit to unit.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is the enclosure only. Bring your own pair of Arc Audio 10\" Arc Series.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring Two Arc ARC 10s to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eBoth drivers share a single terminal cup, pre-wired with 12-gauge OFC for clean signal transfer. The wiring configuration depends on the impedance version of the ARC 10s you run and what your amplifier is stable at.\u003c\/p\u003e\n    \u003ch3\u003eTwo Dual 2-Ohm Arc ARC 10s\u003c\/h3\u003e\n    \u003cp\u003eEach driver's coils in parallel = 1 ohm per driver. Two 1-ohm drivers in series = 2 ohms combined. Two 1-ohm drivers in parallel = 0.5 ohm combined (most monoblock amps won't handle this. Verify your amp's stable load).\u003c\/p\u003e\n    \u003ch3\u003eTwo Dual 4-Ohm Arc ARC 10s\u003c\/h3\u003e\n    \u003cp\u003eEach driver's coils in parallel = 2 ohms per driver. Two 2-ohm drivers in parallel = 1 ohm combined. Two 2-ohm drivers in series = 4 ohms combined. The Dual 4-ohm version is the more flexible option for most amplifier setups.\u003c\/p\u003e\n    \u003cp\u003eArc Audio manufactures monoblock amplifiers engineered to pair specifically with their subwoofer lineup, the Arc Audio XD Series and Mini Series monoblocks in the 500 to 600 watt RMS range give you a fully matched system. Any quality monoblock stable at your chosen impedance will also work well.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eTwo Arc ARC 10s, Done Right\u003c\/h2\u003e\n    \u003cp\u003eDriver-specific airspace sized for a pair, Performance Series construction, and the option to bundle a matched pair of Arc Audio ARC 10 drivers in one order. The Performance Optimized Dual Sealed 10 is the cabinet Arc's ARC Series 10s were engineered to live in.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":43493662490713,"sku":"PO ARC 10D-S BB none","price":329.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":43493662621785,"sku":"PO ARC 10D-S B none","price":309.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/performance-optimized-dual-sealed-10-enclosure-arc-audio-10-arc-seriessubwoofer-enclosuresproline-x-4109294.webp?v=1783112230"},{"product_id":"performance-optimized-sealed-10-enclosure-arc-audio-10-arc-series","title":"Arc Audio ARC 10 Box: Sealed 10\" Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(6, 182, 212, 0.2); border: 1px solid #06b6d4; color: #67e8f9; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #f0f9ff; }\n  .po-section h2 { color: #0e7490; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #06b6d4; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #06b6d4; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #0e7490; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #f0f9ff; border-left: 4px solid #06b6d4; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized | Arc Audio ARC 10\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 10\" Sealed Enclosure | Driver-Specific for the Arc Audio ARC Series 10\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e0.75 ft³ Net\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eThreaded Inserts\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e20\" × 14\" × 8.25\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe Arc Audio ARC 10 Deserves a Box Built for It\u003c\/h2\u003e\n    \u003cp\u003eThe Arc Audio ARC Series 10 is engineered around a linear excursion philosophy, consistent mechanical and electrical behavior across the full excursion range, high-temperature black anodized voice coils, and a four-spoke stamped steel basket with compound curves designed to eliminate resonance. Drop it in a generic box and you'll get good bass. Drop it in a cabinet engineered around its published Thiele-Small parameters and you'll hear what Arc's engineering team built it to do.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Sealed 10 for Arc Audio ARC 10 is that cabinet. Internal volume, baffle thickness, and mounting hardware are all chosen to extract the ARC 10's full mechanical and acoustic potential, not approximated, not averaged across a class of 10s, not adapted from a universal box.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003eThis enclosure is engineered specifically around the Arc Audio ARC Series 10. The 0.75 cubic foot net volume is dialed toward the SQ side of Arc Audio's specified sealed range of 0.65 to 1.1 cubic feet, the sweet spot for the driver's linear excursion behavior.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWhy Performance Optimized Sits Where It Does\u003c\/h2\u003e\n    \u003cp\u003eThe Performance Optimized line is the bridge between our standard Performance Series and our top-tier Professional Series. Same Performance-tier construction quality, Langboard Elite MDF, V-groove and dado joinery, ShopSabre CNC routing, but the geometry of every panel is cut around one specific driver instead of a class of drivers.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003evs Performance Series\u003c\/h4\u003e\n        \u003cp\u003eStandard Performance Series boxes (P6 through P15) are built for universal driver fitment within a size class. Great if you want flexibility across multiple driver options. Performance Optimized takes the same construction and locks the airspace and hardware to one specific driver.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003evs Professional Series\u003c\/h4\u003e\n        \u003cp\u003eProfessional Series uses extensive multi-layer baffles, triple-stacked construction, and a 2-year warranty for the most demanding builds. Performance Optimized delivers driver-specific engineering at a more accessible price point with a 1-year warranty.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered Around the Arc ARC 10's Parameters\u003c\/h2\u003e\n    \u003cp\u003eArc Audio specifies the ARC Series 10 for sealed enclosures between 0.65 and 1.1 cubic feet. 0.85 cubic feet as the published optimum. The Performance Optimized Sealed 10 delivers 0.75 cubic feet net, sitting between Arc's minimum and optimum values, dialed toward the SQ side of the driver's specified range for tighter transient response, cleaner midbass integration, and controlled low-end presentation.\u003c\/p\u003e\n    \u003ch3\u003eVolume Selection\u003c\/h3\u003e\n    \u003cp\u003e0.75 cubic feet net is the airspace that lets the Arc ARC 10 work in its sweet spot for musical accuracy. Larger volumes push the driver toward the SPL-oriented end of Arc's specified range, trading transient tightness for a small extension gain. 0.75 cubic feet delivers the SQ-oriented presentation the ARC 10 is engineered for.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eThe baffle is cut to the Arc ARC 10's exact mounting specification. The ARC 10's 5.5\" mounting depth leaves comfortable internal clearance behind the magnet structure inside the 8.25\" deep cabinet. Arc Audio's four-spoke stamped steel basket with integrated cooling vents drops in cleanly with room for magnet ventilation.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, and a longer service life under daily use at real power levels.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the cabinet fold into shape with maximum glue surface. Dado joints lock the baffle and rear panel into the side walls. No fasteners visible from outside.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the baffle backside accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. Tolerances that manual fabrication can't hold. Joints close cleanly, baffle concentricity stays accurate, and internal volume is consistent unit to unit.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is the enclosure only. Bring your own Arc Audio 10\" Arc Series.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the Arc ARC 10 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe Arc Audio ARC 10 is a dual voice coil driver available in Dual 2-ohm (D2) or Dual 4-ohm (D4) configurations. The pre-wired terminal cup accepts either impedance version via 12-gauge OFC, with stainless steel input hardware.\u003c\/p\u003e\n    \u003cp\u003eA Dual 2-ohm ARC 10 wired in parallel presents a 1-ohm load. A Dual 2-ohm wired in series presents 4 ohms. A Dual 4-ohm ARC 10 wired in parallel presents 2 ohms, and wired in series presents 8 ohms. The ARC 10 is rated for 250 watts RMS, aim for a clean, well-regulated amplifier delivering 200 to 300 watts at your chosen impedance.\u003c\/p\u003e\n    \u003cp\u003eArc Audio manufactures monoblock amplifiers engineered to pair specifically with their subwoofer lineup, the Arc Audio XD Series and Mini Series monoblocks in the 250 to 350 watt RMS range give you a fully matched system. Any quality monoblock stable at your chosen impedance will also work well.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eStop Compromising Your Arc ARC 10\u003c\/h2\u003e\n    \u003cp\u003eDriver-specific engineering, Performance Series construction, and the option to bundle the Arc Audio ARC 10 driver in one order. Build the box that was designed for the sub you've already chosen.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":43493859623001,"sku":"PO ARC 10-S BB none","price":259.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":43493859754073,"sku":"PO ARC 10-S B none","price":239.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/performance-optimized-sealed-10-enclosure-arc-audio-10-arc-seriessubwoofer-enclosuresproline-x-4489032.webp?v=1783112228"},{"product_id":"performance-optimized-sealed-12-enclosure-arc-audio-12-arc-series","title":"Arc Audio ARC 12 Box: Sealed 12\" Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(6, 182, 212, 0.2); border: 1px solid #06b6d4; color: #67e8f9; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #f0f9ff; }\n  .po-section h2 { color: #0e7490; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #06b6d4; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #06b6d4; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #0e7490; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #f0f9ff; border-left: 4px solid #06b6d4; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized | Arc Audio ARC 12\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 12\" Sealed Enclosure | Driver-Specific for the Arc Audio ARC Series 12\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e1.1 ft³ Net\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eThreaded Inserts\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e24\" × 15\" × 9\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe Arc Audio ARC 12 Deserves a Box Built for It\u003c\/h2\u003e\n    \u003cp\u003eThe Arc Audio ARC Series 12 is engineered around a linear excursion philosophy, consistent mechanical and electrical behavior across the full excursion range, high-temperature black anodized voice coils, and a four-spoke stamped steel basket with compound curves designed to eliminate resonance. Drop it in a generic box and you'll get good bass. Drop it in a cabinet engineered around its published Thiele-Small parameters and you'll hear what Arc's engineering team built it to do.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Sealed 12 for Arc Audio ARC 12 is that cabinet. Internal volume, baffle thickness, and mounting hardware are all chosen to extract the ARC 12's full mechanical and acoustic potential, not approximated, not averaged across a class of 12s, not adapted from a universal box.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003eThis enclosure is engineered specifically around the Arc Audio ARC Series 12. The 1.1 cubic foot net volume sits in the middle of Arc Audio's specified sealed range of 0.9 to 1.25 cubic feet, the sweet spot for the driver's linear excursion behavior and balanced transient response.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWhy Performance Optimized Sits Where It Does\u003c\/h2\u003e\n    \u003cp\u003eThe Performance Optimized line is the bridge between our standard Performance Series and our top-tier Professional Series. Same Performance-tier construction quality, Langboard Elite MDF, V-groove and dado joinery, ShopSabre CNC routing, but the geometry of every panel is cut around one specific driver instead of a class of drivers.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003evs Performance Series\u003c\/h4\u003e\n        \u003cp\u003eStandard Performance Series boxes (P6 through P15) are built for universal driver fitment within a size class. Great if you want flexibility across multiple driver options. Performance Optimized takes the same construction and locks the airspace and hardware to one specific driver.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003evs Professional Series\u003c\/h4\u003e\n        \u003cp\u003eProfessional Series uses extensive multi-layer baffles, triple-stacked construction, and a 2-year warranty for the most demanding builds. Performance Optimized delivers driver-specific engineering at a more accessible price point with a 1-year warranty.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered Around the Arc ARC 12's Parameters\u003c\/h2\u003e\n    \u003cp\u003eArc Audio specifies the ARC Series 12 for sealed enclosures between 0.9 and 1.25 cubic feet. The Performance Optimized Sealed 12 delivers 1.1 cubic feet net, the middle of Arc's specified range, where Qtc lands where it should for balanced transient response and controlled low-end extension. Not so tight that you lose extension, not so loose that you lose punch.\u003c\/p\u003e\n    \u003ch3\u003eVolume Selection\u003c\/h3\u003e\n    \u003cp\u003e1.1 cubic feet net is the sweet spot in Arc's published sealed range for the ARC 12. Volumes below 0.9 cubic feet push Qtc above 0.9, adding midbass lift and costing low-end extension. Volumes above 1.25 cubic feet loosen the response and compromise transient tightness. 1.1 cubic feet sits in the balanced middle, the volume Arc's engineering team would build if they were building a sealed box for their own driver.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eThe baffle is cut to the Arc ARC 12's exact mounting specification. Arc Audio's four-spoke stamped steel basket with compound-curve construction and integrated cooling vents drops in cleanly with room behind the magnet structure for adequate ventilation inside the 9\" deep cabinet.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, and a longer service life under daily use at real power levels.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the cabinet fold into shape with maximum glue surface. Dado joints lock the baffle and rear panel into the side walls. No fasteners visible from outside.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the baffle backside accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. Tolerances that manual fabrication can't hold. Joints close cleanly, baffle concentricity stays accurate, and internal volume is consistent unit to unit.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is the enclosure only. Bring your own Arc Audio 12\" Arc Series.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the Arc ARC 12 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe Arc Audio ARC 12 is a dual voice coil driver available in Dual 2-ohm (D2) or Dual 4-ohm (D4) configurations. The pre-wired terminal cup accepts either impedance version via 12-gauge OFC, with stainless steel input hardware.\u003c\/p\u003e\n    \u003cp\u003eA Dual 2-ohm ARC 12 wired in parallel presents a 1-ohm load. A Dual 2-ohm wired in series presents 4 ohms. A Dual 4-ohm ARC 12 wired in parallel presents 2 ohms, and wired in series presents 8 ohms. The ARC 12 is rated for 350 watts RMS, aim for a clean, well-regulated amplifier delivering 300 to 400 watts at your chosen impedance.\u003c\/p\u003e\n    \u003cp\u003eArc Audio manufactures monoblock amplifiers engineered to pair specifically with their subwoofer lineup, the Arc Audio XD Series and Mini Series monoblocks in the 350 to 500 watt RMS range give you a fully matched system. Any quality monoblock stable at your chosen impedance will also work well.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eStop Compromising Your Arc ARC 12\u003c\/h2\u003e\n    \u003cp\u003eDriver-specific engineering, Performance Series construction, and the option to bundle the Arc Audio ARC 12 driver in one order. Build the box that was designed for the sub you've already chosen.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":43494021464153,"sku":"PO ARC 12-S BB none","price":299.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":43494021595225,"sku":"PO ARC 12-S B none","price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/performance-optimized-sealed-10-enclosure-arc-audio-10-arc-seriessubwoofer-enclosuresproline-x-4489032.webp?v=1783112228"},{"product_id":"performance-optimized-sealed-dual-12-enclosure-stereo-integrity-12-sql-series","title":"Stereo Integrity SQL-12 Dual Box: Sealed 12\" Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(6, 182, 212, 0.2); border: 1px solid #06b6d4; color: #67e8f9; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #f0f9ff; }\n  .po-section h2 { color: #0e7490; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #06b6d4; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #06b6d4; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #0e7490; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #f0f9ff; border-left: 4px solid #06b6d4; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized | Dual Stereo Integrity SQL 12\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eDual 12\" Sealed Enclosure | Isolated Chambers | Dual Mounting Face for the SQL 12 Series 2\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e2.0 ft³ Net Total\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eIsolated Chambers\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e1.0 ft³ Per Chamber\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e31\" × 15\" × 13.625\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eDouble Baffle\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTwo Stereo Integrity SQL 12s, Each in Their Own Engineered Chamber\u003c\/h2\u003e\n    \u003cp\u003eThe Performance Optimized Dual Sealed 12 for the Stereo Integrity SQL 12 is a fully chambered sealed enclosure engineered around a pair of SQL 12 Series 2 subwoofers. Two isolated 1.0 cubic foot chambers, separated by a center divider, each tuned to the SQL 12's published Thiele-Small parameters. Dual mounting face design gives each driver its own dedicated baffle. No shared airspace, no acoustic crosstalk between drivers, no compromise from doubling up in a common chamber.\u003c\/p\u003e\n    \u003cp\u003eThis is not the same construction as our common-chamber PO duals. The SQL 12 is a serious high-power driver. 1000 watts RMS per unit, 26mm one-way linear Xmax, and enough motor force to move meaningful air. At those power and excursion levels, isolated chambers stop being nice-to-have and become the correct engineering answer. Each SQL 12 operates in its own dedicated acoustic environment, unaffected by what the other driver is doing at any given moment.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003eEach SQL 12 gets its own sealed 1.0 cubic foot chamber, the maximum sealed volume Stereo Integrity specifies for the SQL 12 Series 2. The chambered design means each driver operates as if it were in its own dedicated single enclosure, with a center divider that also serves as structural bracing.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWhy Isolated Chambers Matter at This Power Level\u003c\/h2\u003e\n    \u003cp\u003eFor lower-power dual subwoofer systems in the 300-500 watt per driver range, a common chamber works fine. Matched driver pairs load symmetrically, and shared airspace introduces minimal interaction. At the SQL 12's 1000 watt RMS per driver rating, the calculation changes. Higher power means more cone excursion, more thermal load, and more asymmetric behavior between the two drivers as they respond to different thermal and mechanical states in real time. Isolated chambers eliminate that variable entirely.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSymmetric Loading Under Real Power\u003c\/h4\u003e\n        \u003cp\u003eEach SQL 12 operates against its own dedicated 1.0 cubic foot airspace. If one driver's voice coil resistance rises from heat faster than the other, or if one driver breaks in at a slightly different rate, the pair still performs consistently because they aren't coupled through shared air.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eForce Cancellation Benefits\u003c\/h4\u003e\n        \u003cp\u003eThe dual mounting face design creates opposing forces that partially cancel through the cabinet structure. Less mechanical energy transferred to the vehicle chassis, less rattle in trim panels, and cleaner perceived output because the cabinet itself is doing less unwanted work.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eStructural Rigidity\u003c\/h4\u003e\n        \u003cp\u003eThe center divider acts as a full-length brace in addition to its acoustic role. The 31\" cabinet width is split into two 15.5\" panel sections structurally, dramatically reducing panel flex compared to an unbraced wide interior at the power levels the SQL 12 delivers.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePredictable Behavior at Full Excursion\u003c\/h4\u003e\n        \u003cp\u003eThe SQL 12's 26mm one-way Xmax means significant air displacement per stroke. Isolated chambers guarantee each driver's air spring stays consistent through the full excursion range, without pressure variations from the second driver influencing the first.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered Around the SQL 12's Parameters\u003c\/h2\u003e\n    \u003cp\u003eStereo Integrity specifies the SQL 12 Series 2 for sealed enclosures between 0.65 and 1.0 cubic feet per driver. The Performance Optimized Dual Sealed 12 delivers 1.0 cubic foot per chamber, the upper end of SI's specified range, where the SQL's deep low-end extension characteristics fully develop. In a properly sized cabinet, the SQL 12 plays down to F3 points in single-digit territory, delivering the low-frequency response that makes SI's SQL series unmatched at its price point.\u003c\/p\u003e\n    \u003ch3\u003eVolume Selection\u003c\/h3\u003e\n    \u003cp\u003e1.0 cubic foot per chamber is the maximum of SI's recommended sealed volume range. Smaller volumes tighten Qtc and lose some low-end extension. Larger volumes fall outside SI's specification and compromise transient control. 1.0 cubic foot per driver is where the SQL 12 delivers on its full low-end capability while staying inside the driver's engineered operating window.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eBoth baffles are cut to the SQL 12's exact 11.33\" cutout specification and doubled to 1.5\" total thickness at the mounting position. The SQL 12's 7\" mounting depth leaves comfortable internal clearance inside the 13.625\" deep cabinet. Each driver has its own dedicated mounting face, a true dual-face design that separates the two drivers acoustically and mechanically, with 8\/32 threaded inserts pressed into the doubled baffle stock for secure, full-depth mounting.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eDouble Baffle Mounting Faces\u003c\/h4\u003e\n        \u003cp\u003eEach of the two mounting faces uses a doubled 1.5\" total baffle thickness: two layers of 3\/4\" Langboard Elite MDF bonded together at the driver mounting position. Doubled baffle stock resists baffle flex and mounting screw pullout at the power levels the SQL 12 delivers.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts Into Double Baffle\u003c\/h4\u003e\n        \u003cp\u003eBoth baffles use 8\/32 threaded inserts pressed into the doubled 1.5\" MDF backside, providing full-depth thread engagement for the supplied stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, and secure retention at high excursion levels.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the cabinet fold into shape with maximum glue surface. Dado joints lock the doubled baffles, rear panel, and center divider into the side walls, no fasteners visible from outside, no exposed end grain at joints.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cups (×2)\u003c\/h4\u003e\n        \u003cp\u003eOne Proline X ABS\/carbon fiber composite terminal cup per chamber, each pre-wired with 12-gauge OFC. Wire each driver to its own amp channel for maximum control, or jumper the cups externally for a single-channel pair.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. The center divider is dadoed into the top, bottom, and rear panels for maximum mechanical lock, not just glued in. Both mounting baffles are doubled to 1.5\" total thickness at the mounting positions. Internal volume is verified per chamber on every unit.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is the enclosure only. Bring your own pair of Stereo Integrity SQL-12.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring Two SQL 12s to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eEach chamber has its own dedicated terminal cup, pre-wired with 12-gauge OFC. The two cups can be jumpered externally for a single-amp installation, or wired independently for dual monoblock or multi-channel amplifier setups.\u003c\/p\u003e\n    \u003ch3\u003eTwo Dual 2-Ohm SQL 12s\u003c\/h3\u003e\n    \u003cp\u003eEach driver's coils in parallel = 1 ohm per driver. Two 1-ohm drivers in parallel = 0.5 ohm combined (most monoblocks won't handle this. Verify your amp). Two 1-ohm drivers in series = 2 ohms combined. Each driver on its own monoblock at 1 ohm gives you the cleanest high-power setup.\u003c\/p\u003e\n    \u003ch3\u003eTwo Dual 4-Ohm SQL 12s\u003c\/h3\u003e\n    \u003cp\u003eEach driver's coils in parallel = 2 ohms per driver. Two 2-ohm drivers in parallel = 1 ohm combined. Two 2-ohm drivers in series = 4 ohms combined. Dual 4-ohm is the more flexible option for most amplifier setups at these power levels.\u003c\/p\u003e\n    \u003cp\u003eThe SQL 12 pair is rated for 2000 watts RMS combined. Aim for a clean, well-regulated amplifier or amplifier pair delivering 1500 to 2000 watts total at your chosen impedance. At this power level, amplifier quality matters more than headline numbers, regulated power supply, low THD, and honest RMS ratings.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eTwo SQL 12s, Engineered Correctly\u003c\/h2\u003e\n    \u003cp\u003eIsolated chamber design, dual mounting face, driver-specific 1.0 cubic foot chambers, and Performance Series construction built for the power levels the SQL 12 delivers. The correct cabinet for a serious pair of SIs.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Plush Black \/ Black","offer_id":43786903289945,"sku":"PO12D-S SI BB","price":389.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ None","offer_id":43786903421017,"sku":"PO12D-S SI B","price":369.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/performance-optimized-sealed-dual-12-enclosure-stereo-integrity-12-sql-seriessubwoofer-enclosuresproline-x-3250530.png?v=1784976188"},{"product_id":"performance-optimized-sealed-12-enclosure-stereo-integrity-12-sql-series","title":"Stereo Integrity SQL-12 Box: Sealed 12\" Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(6, 182, 212, 0.2); border: 1px solid #06b6d4; color: #67e8f9; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #f0f9ff; }\n  .po-section h2 { color: #0e7490; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #06b6d4; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #06b6d4; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #0e7490; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #f0f9ff; border-left: 4px solid #06b6d4; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized | Stereo Integrity SQL 12\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 12\" Sealed Enclosure | Driver-Specific for the SQL 12 Series 2\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e1.0 ft³ Net\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eDouble Baffle\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e20\" × 15\" × 13.625\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe Stereo Integrity SQL 12 Deserves a Box Built for It\u003c\/h2\u003e\n    \u003cp\u003eThe Stereo Integrity SQL 12 Series 2 is a serious high-power driver. 1000 watts RMS, 26mm one-way linear Xmax, 2.75\" copper voice coil on a split black anodized aluminum former, and enough motor force to move meaningful air in a properly sized sealed cabinet. Drop it in a generic box and you'll get loud bass. Drop it in a cabinet engineered around SI's published Thiele-Small parameters, with construction sized for the power level the SQL 12 delivers, and you'll hear what Nick Sowa's team built this driver to do.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Sealed 12 for Stereo Integrity SQL 12 is that cabinet. Internal volume, baffle thickness, mounting hardware, and construction methods are all chosen to extract the SQL 12's full mechanical and acoustic potential, and to hold together as a rigid structure at the power levels this driver is capable of.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003eThis enclosure is engineered specifically around the Stereo Integrity SQL 12 Series 2. The 1.0 cubic foot net volume matches the maximum sealed volume SI specifies for the SQL 12, where the driver's deep low-end extension fully develops with F3 points in single-digit territory.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWhy Performance Optimized Sits Where It Does\u003c\/h2\u003e\n    \u003cp\u003eThe Performance Optimized line is the bridge between our standard Performance Series and our top-tier Professional Series. Same Performance-tier construction quality, Langboard Elite MDF, V-groove and dado joinery, ShopSabre CNC routing, but the geometry of every panel is cut around one specific driver instead of a class of drivers. For the SQL 12 specifically, that also means doubled baffle stock at the mounting position to handle the driver's power capability.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003evs Performance Series\u003c\/h4\u003e\n        \u003cp\u003eStandard Performance Series boxes (P6 through P15) are built for universal driver fitment within a size class. Great if you want flexibility across multiple driver options. Performance Optimized takes the same construction foundation and locks the airspace and hardware to one specific driver.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003evs Professional Series\u003c\/h4\u003e\n        \u003cp\u003eProfessional Series uses extensive multi-layer baffles, triple-stacked construction, and a 2-year warranty for the most demanding builds. Performance Optimized delivers driver-specific engineering with double baffle construction at a more accessible price point with a 1-year warranty.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered Around the SQL 12's Parameters\u003c\/h2\u003e\n    \u003cp\u003eStereo Integrity specifies the SQL 12 Series 2 for sealed enclosures between 0.65 and 1.0 cubic feet. The Performance Optimized Sealed 12 delivers 1.0 cubic feet net, the maximum of SI's specified range, where the SQL's deep low-end extension characteristics fully develop. In this cabinet, the SQL 12 plays down to F3 points in single-digit territory, delivering the low-frequency response that makes SI's SQL Series unmatched at its price point.\u003c\/p\u003e\n    \u003ch3\u003eVolume Selection\u003c\/h3\u003e\n    \u003cp\u003e1.0 cubic foot net is the maximum of SI's recommended sealed volume range. Smaller volumes tighten Qtc and lose some low-end extension. Larger volumes fall outside SI's specification and compromise transient control. 1.0 cubic foot is where the SQL 12 delivers on its full low-end capability while staying inside the driver's engineered operating window.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eThe baffle is cut to the SQL 12's exact 11.33\" cutout specification and doubled to 1.5\" total thickness at the mounting position. The SQL 12's 7\" mounting depth leaves comfortable internal clearance inside the 13.625\" deep cabinet. 8\/32 threaded inserts are pressed into the doubled baffle stock for full-depth thread engagement and secure retention at high excursion levels.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Sized for Real Power\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eDouble Baffle Mounting Face\u003c\/h4\u003e\n        \u003cp\u003eThe mounting face uses a doubled 1.5\" total baffle thickness: two layers of 3\/4\" Langboard Elite MDF bonded together at the driver mounting position. Doubled baffle stock resists baffle flex and mounting screw pullout at the 1000-watt RMS power levels the SQL 12 delivers.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts Into Double Baffle\u003c\/h4\u003e\n        \u003cp\u003eThe baffle uses 8\/32 threaded inserts pressed into the doubled 1.5\" MDF backside, providing full-depth thread engagement for the supplied stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, and secure retention at high excursion levels.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the cabinet fold into shape with maximum glue surface. Dado joints lock the doubled baffle and rear panel into the side walls, no fasteners visible from outside, no exposed end grain at joints.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. Tolerances that manual fabrication can't hold. Joints close cleanly, baffle concentricity stays accurate, and internal volume is consistent unit to unit. The doubled baffle at the mounting position is bonded under clamping pressure for a monolithic 1.5\" stock at the point where structural integrity matters most.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is the enclosure only. Bring your own Stereo Integrity SQL-12.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the SQL 12 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe Stereo Integrity SQL 12 is a dual voice coil driver available in Dual 2-ohm (D2) or Dual 4-ohm (D4) configurations. The pre-wired terminal cup accepts either impedance version via 12-gauge OFC, with stainless steel input hardware.\u003c\/p\u003e\n    \u003cp\u003eA Dual 2-ohm SQL 12 wired in parallel presents a 1-ohm load. A Dual 2-ohm wired in series presents 4 ohms. A Dual 4-ohm SQL 12 wired in parallel presents 2 ohms, and wired in series presents 8 ohms. The SQL 12 is rated for 1000 watts RMS, aim for a clean, well-regulated amplifier delivering 750 to 1000 watts at your chosen impedance. At this power level, amplifier quality matters more than headline numbers, regulated power supply, low THD, and honest RMS ratings.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eThe SQL 12, Engineered Correctly\u003c\/h2\u003e\n    \u003cp\u003eDriver-specific 1.0 cubic foot airspace, doubled baffle construction, V-groove and dado joinery, and Performance Series build quality sized for the SQL 12's 1000-watt RMS capability. The correct cabinet for a serious single 12 build.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Plush Black \/ Black","offer_id":43793847812185,"sku":"PO12-S SI BB","price":299.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ None","offer_id":43793847943257,"sku":"PO12-S SI B","price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/performance-optimized-sealed-12-enclosure-stereo-integrity-12-sql-seriessubwoofer-enclosuresproline-x-6363168.png?v=1784976188"},{"product_id":"proline-x-po-15d-s-w-dual-15-sealed-wedge-enclosure-built-for-resonix-gus-15","title":"ResoNix GUS-15 Dual Box: Sealed 15\" Wedge Enclosure","description":"\u003cdiv class=\"pow-wrap\"\u003e\n\u003cstyle\u003e\n.pow-wrap{font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;line-height:1.7;color:#cbd5e1 !important;}\n.pow-wrap p{color:#cbd5e1 !important;margin:0 0 14px 0;}\n.pow-wrap ul{margin:0 0 16px 0;padding-left:20px;}\n.pow-wrap li{color:#cbd5e1 !important;margin-bottom:8px;}\n.pow-wrap strong{color:#d99058 !important;}\n.pow-wrap a{color:#c68a4a !important;font-weight:700;text-decoration:underline;}\n.pow-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%) !important;border-radius:8px;padding:32px 28px;margin-bottom:28px;}\n.pow-eyebrow{display:inline-block;color:#d99058 !important;font-size:0.72em;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;margin-bottom:10px;}\n.pow-hero h2{color:#ffffff !important;font-size:1.55em;font-weight:700;margin:0 0 12px 0;line-height:1.3;}\n.pow-hero p{color:#e2e8f0 !important;font-size:1.02em;margin:0;}\n.pow-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}\n.pow-badge{display:inline-block;background:rgba(184,115,51,0.18) !important;border:1px solid #b87333 !important;color:#eab784 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0;font-size:0.93em;}\n.pow-alert p{color:#eab784 !important;margin:0;}\n.pow-alert strong{color:#d99058 !important;}\n.pow-warn{background:#2b1a0b !important;border:2px solid #f59e0b !important;border-radius:8px;padding:20px 22px;margin:26px 0;}\n.pow-warn-label{display:inline-block;background:#f59e0b !important;color:#2b1a0b !important;font-size:0.68em;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;padding:4px 11px;border-radius:3px;margin-bottom:12px;}\n.pow-warn h3{color:#fbbf24 !important;margin:0 0 10px 0;}\n.pow-warn p{color:#fde68a !important;margin:0 0 10px 0;}\n.pow-warn p:last-child{margin-bottom:0;}\n.pow-warn strong{color:#fbbf24 !important;}\n.pow-card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:24px 0;}\n@media(max-width:600px){.pow-card-grid{grid-template-columns:1fr;}}\n.pow-card{background:#1a2740 !important;border:1px solid #4a3520 !important;border-top:3px solid #b87333 !important;border-radius:6px;padding:22px;}\n.pow-card-label{display:inline-block;background:#b87333 !important;color:#2a1608 !important;font-size:0.68em;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;padding:3px 10px;border-radius:3px;margin-bottom:10px;}\n.pow-card h4{margin:0 0 10px 0;}\n.pow-card-divider{height:2px;background:#b87333 !important;width:32px;margin-bottom:12px;border-radius:2px;}\n.pow-card p{font-size:0.93em;color:#b6c4d6 !important;margin:0;line-height:1.65;}\n.pow-card p strong{color:#d99058 !important;}\n.pow-table{width:100% !important;border-collapse:collapse;margin:22px 0;font-size:0.94em;}\n.pow-table th{background:#8b5a2b !important;color:#ffffff !important;text-align:left;padding:11px 14px;font-weight:700;font-size:0.9em;letter-spacing:0.04em;text-transform:uppercase;border-bottom:1px solid #3a2818 !important;}\n.pow-table td{padding:10px 14px;border-bottom:1px solid #3a2818 !important;color:#dbe4ef !important;background:#111c30 !important;}\n.pow-table tr:nth-child(even) td{background:#1a2740 !important;}\n.pow-table td:first-child{font-weight:600;color:#d99058 !important;width:32%;}\n.pow-chartbox{display:block !important;width:100% !important;max-width:100% !important;margin:22px 0 !important;}\n.pow-chart{display:block !important;width:100% !important;max-width:100% !important;height:auto !important;}\n.pow-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%) !important;border-radius:8px;padding:28px 26px;margin:32px 0 0 0;text-align:center;}\n.pow-cta h3{color:#ffffff !important;margin:0 0 10px 0;}\n.pow-cta p{color:#e2e8f0 !important;margin:0;font-size:0.97em;}\n.pow-cta a{color:#eab784 !important;}\n\u003c\/style\u003e\n\n\u003cdiv class=\"pow-hero\"\u003e\n\u003cspan class=\"pow-eyebrow\"\u003eProline X | Performance Optimized Wedge\u003c\/span\u003e\n\u003ch2\u003eTwo GUS-15s. Trunk Mounted, the Way a Wedge Is Meant to Sit.\u003c\/h2\u003e\n\u003cp\u003eA dual chamber sealed wedge cut for the ResoNix GUS-15 and nothing else. It sits in the trunk or cargo area with the tall face against the back of the rear seat and the drivers firing rearward, so the box uses the length of the trunk instead of standing in the middle of it.\u003c\/p\u003e\n\u003cdiv class=\"pow-badges\"\u003e\n\u003cspan class=\"pow-badge\"\u003e1.35 CU FT NET PER DRIVER\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eDUAL CHAMBER\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eTRUNK MOUNT, REAR FIRING\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003e3000W RMS COMBINED\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eDUAL TERMINAL CUPS\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eBUILT IN TULLAHOMA, TN\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-warn\"\u003e\n\u003cspan class=\"pow-warn-label\"\u003eRead This First\u003c\/span\u003e\n\u003ch3\u003eThis Is Not a Down Fire Enclosure\u003c\/h3\u003e\n\u003cp\u003eThe wedge only works in one orientation: tall face flat against the rear seat back, taper running out toward the trunk lid, drivers firing rearward. There are no feet, no baffle clearance gap, and \u003cstrong\u003eno down fire option on this cabinet\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIf you need an enclosure that can run down fire, the \u003cstrong\u003eProline X Micro Series Dual 15 Sealed Enclosure Built for ResoNix GUS-15\u003c\/strong\u003e is the one for that. Square stack fab cabinet, feet included, runs either orientation. Same driver, same airspace target, different build and a different place in the vehicle.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eBuilt for One Driver, at One Volume\u003c\/h3\u003e\n\u003cp\u003ePerformance Optimized enclosures are cut for a specific subwoofer rather than a size class. This one is built around the \u003cstrong\u003eResoNix GUS-15\u003c\/strong\u003e, and Audio Intensity is the exclusive enclosure builder for the GUS platform.\u003c\/p\u003e\n\u003cp\u003eResoNix publishes \u003cstrong\u003e1.35 cubic feet\u003c\/strong\u003e as the volume that produces a maximally flat sealed alignment for the GUS-15. Each chamber here is built at \u003cstrong\u003e1.425 cubic feet gross\u003c\/strong\u003e. Subtract the driver's 0.072 cubic feet of displacement and each driver sees 1.353 cubic feet, which lands on the published target rather than near it. Total gross volume across both chambers is 2.85 cubic feet, 2.70 net acoustic.\u003c\/p\u003e\n\u003cp\u003eThe woofer opening is cut direct fit to the GUS-15 at 355mm. There is no universal 15 inch cutout here and no attempt at one, which is the entire point of the Optimized line. A standard 15 will not work in this cabinet, both because of the opening and because the depth is built around this driver.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section-alt\"\u003e\n\u003ch3\u003eWhy a Wedge\u003c\/h3\u003e\n\u003cp\u003eThe wedge is the oldest trunk enclosure shape in car audio for a reason. It is built around what a trunk actually is, rather than dropping a rectangle into one.\u003c\/p\u003e\n\u003cdiv class=\"pow-card-grid\"\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003ePackaging\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eIt Uses the Trunk Lengthwise\u003c\/h4\u003e\n\u003cp\u003eTall face against the rear seat, tapering down as it runs out toward the lid. The cabinet claims the deep space at the base of the trunk and gives the height back where the lid closes, so \u003cstrong\u003eyou keep usable trunk instead of losing the middle of it\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eLoading\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eThe Trunk Is Part of the System\u003c\/h4\u003e\n\u003cp\u003eFiring rearward means the output loads into the trunk volume and reaches the cabin through the rear seat and deck. That path is what gives a trunk mounted subwoofer its weight, and it is why moving a box a few inches changes what you hear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eLocalization\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eHarder to Point At\u003c\/h4\u003e\n\u003cp\u003eBecause the drivers do not radiate straight into the cabin, the low end arrives through the structure rather than as a beam from behind your head. On a well built system that makes \u003cstrong\u003ekeeping the stage forward\u003c\/strong\u003e considerably easier.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eSeparation\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eTwo Chambers, Two Cups\u003c\/h4\u003e\n\u003cp\u003eEach driver gets its own sealed chamber and its own terminal cup. \u003cstrong\u003eNo internal cross chamber wiring\u003c\/strong\u003e, so you can run a monoblock per driver or bridge externally.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eDual Chamber, Not Common Chamber\u003c\/h3\u003e\n\u003cp\u003eEach GUS-15 loads into its own sealed 1.425 cubic foot chamber, isolated by a full divider. This matters at this power level. With separate chambers, one driver's cone motion does not modulate the air load the other driver sees, so the two stay acoustically independent under hard excursion.\u003c\/p\u003e\n\u003cp\u003eIt also means the two chambers can be driven separately. Each Proline X terminal cup is pre wired with 12 gauge OFC to its own driver, so the common configurations are a dedicated monoblock per driver, or a single high output amplifier bridged externally across the two terminals. The GUS-15 is rated at \u003cstrong\u003e1500 watts RMS each in its suggested enclosure\u003c\/strong\u003e, so this cabinet is a 3000 watt system when both chambers are driven properly. The dual amplifier path gives the cleanest channel separation and the most consistent damping at that power level.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section-alt\"\u003e\n\u003ch3\u003eHow It Is Built\u003c\/h3\u003e\n\u003cdiv class=\"pow-highlight\"\u003e\n\u003ch3\u003eCabinet\u003c\/h3\u003e\n\u003cp\u003eCut on our ShopSabre CNC from Langboard Elite MDF and assembled with \u003cstrong\u003edado and V groove joinery\u003c\/strong\u003e over 0.75 inch panels, with a \u003cstrong\u003edouble baffle at 1.5 inches\u003c\/strong\u003e and a full chamber divider. This is a different construction method from the stack fab Micro Series, and the wedge geometry is the reason. The angled panel meets are cut as V joints so the faces close on a machined bevel rather than a filled seam.\u003c\/p\u003e\n\u003ch3\u003eMounting Pattern\u003c\/h3\u003e\n\u003cp\u003eThe GUS-15 is in the Proline X CAD library, drawn from the manufacturer's own CAD file. The cutout and the nutsert locations are machined in the same operation from the same origin on the router, so the holes cannot drift relative to each other. \u003cstrong\u003e8\/32 threaded inserts are installed at both driver positions\u003c\/strong\u003e with stainless machine screws supplied, matched to the driver's 375mm bolt circle.\u003c\/p\u003e\n\u003ch3\u003eWiring and Damping\u003c\/h3\u003e\n\u003cp\u003eTwo Proline X ABS and carbon fiber composite terminal cups, side mounted, one per chamber, each pre wired with 12 gauge OFC. Polyfill is installed as a light wall lining to control internal reflections without altering the acoustic volume, because ResoNix calculated the target at 1.35 cubic feet and adding fill density would shift the alignment off it.\u003c\/p\u003e\n\u003ch3\u003eFinish\u003c\/h3\u003e\n\u003cp\u003ePlush Black carpet standard. The lasered acrylic badge mounts on the woofer face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eExternal dimensions are \u003cstrong\u003e36 inches wide by 17.5 inches tall\u003c\/strong\u003e, with the depth running \u003cstrong\u003e16.5 inches at the base and tapering to 10 inches at the top\u003c\/strong\u003e. Installed, the 17.5 inch face stands against the rear seat back and the cabinet slopes away toward the trunk lid.\u003c\/p\u003e\n\u003cdiv class=\"pow-alert\"\u003e\u003cp\u003e\u003cstrong\u003eMeasure the floor, then the lid.\u003c\/strong\u003e The 16.5 inch base depth and the 36 inch width are what has to clear on the trunk floor. The taper is there so the lid closes over the shallow end, but check your own lid line, since trunk openings vary far more than trunk floors do.\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv class=\"pow-alert\"\u003e\u003cp\u003e\u003cstrong\u003eFront clearance.\u003c\/strong\u003e ResoNix specifies a 33mm minimum clearance in front of each GUS-15. At 25.89mm of Klippel verified one way excursion that figure is the operational envelope of the suspension, not optional headroom. Nothing should sit inside it, including cargo you expect to load behind the box. Verify both driver positions independently.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eEnclosure Performance\u003c\/h3\u003e\n\u003cp\u003eThese figures are calculated from ResoNix's own published Klippel measured parameters for the GUS-15 D4 coil: \u003cstrong\u003eFs 17.11 Hz, Qts 0.34, Vas 117.47 litres\u003c\/strong\u003e. Nothing here is estimated.\u003c\/p\u003e\n\u003ctable class=\"pow-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eVolume Per Driver\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003efc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003cth\u003eCharacter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.80 cu ft, ResoNix minimum\u003c\/td\u003e\n\u003ctd\u003e0.846\u003c\/td\u003e\n\u003ctd\u003e42.6 Hz\u003c\/td\u003e\n\u003ctd\u003e36.7 Hz\u003c\/td\u003e\n\u003ctd\u003ePunchier, more upper bass emphasis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e1.35 cu ft, this enclosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e0.686\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e34.5 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e35.6 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003eMaximally flat. The target.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.00 cu ft, ResoNix maximum\u003c\/td\u003e\n\u003ctd\u003e0.596\u003c\/td\u003e\n\u003ctd\u003e30.0 Hz\u003c\/td\u003e\n\u003ctd\u003e36.6 Hz\u003c\/td\u003e\n\u003ctd\u003eBelow Butterworth, softer, xmax limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cdiv class=\"pow-chartbox\"\u003e\n\u003csvg class=\"pow-chart\" width=\"1260\" height=\"420\" viewbox=\"0 0 1260 420\" preserveaspectratio=\"xMidYMid meet\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"display:block !important;width:100% !important;max-width:100% !important;height:auto !important;\"\u003e\n\u003crect x=\"0\" y=\"0\" width=\"1260\" height=\"420\" fill=\"#0b1424\"\u003e\u003c\/rect\u003e\n\u003crect x=\"90\" y=\"50\" width=\"1080\" height=\"300\" fill=\"#111c30\" stroke=\"#4a3520\" stroke-width=\"1\"\u003e\u003c\/rect\u003e\n\u003cline x1=\"210\" y1=\"50\" x2=\"210\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"379\" y1=\"50\" x2=\"379\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"592\" y1=\"50\" x2=\"592\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"881\" y1=\"50\" x2=\"881\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"90\" y1=\"110\" x2=\"1170\" y2=\"110\" stroke=\"#334155\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"90\" y1=\"155\" x2=\"1170\" y2=\"155\" stroke=\"#64748b\" stroke-width=\"1\" stroke-dasharray=\"6,5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"1178\" y=\"160\" font-size=\"15\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-3 dB\u003c\/text\u003e\n\u003ctext x=\"1178\" y=\"115\" font-size=\"15\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e0 dB\u003c\/text\u003e\n\u003cpolyline points=\"90,350 112,350 135,349 157,335 180,320 202,306 225,292 247,277 270,263 292,249 315,235 337,222 360,209 382,196 405,184 428,172 450,161 472,151 495,142 518,134 540,127 562,122 585,117 607,113 630,110 652,108 675,106 698,105 720,104 742,104 765,104 787,104 810,104 832,104 855,104 877,105 900,105 923,105 945,106 968,106 990,106 1012,107 1035,107 1058,107 1080,108 1102,108 1125,108 1147,108 1170,108\" fill=\"none\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/polyline\u003e\n\u003cpolyline points=\"90,306 112,294 135,282 157,270 180,259 202,248 225,238 247,227 270,218 292,208 315,200 337,191 360,184 382,176 405,170 428,164 450,158 472,153 495,148 518,144 540,140 562,137 585,134 607,131 630,129 652,127 675,125 698,123 720,122 742,120 765,119 787,118 810,117 832,117 855,116 877,115 900,115 923,114 945,114 968,113 990,113 1012,113 1035,112 1058,112 1080,112 1102,112 1125,112 1147,111 1170,111\" fill=\"none\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/polyline\u003e\n\u003cpolyline points=\"90,331 112,317 135,304 157,291 180,278 202,266 225,253 247,241 270,229 292,218 315,207 337,197 360,187 382,178 405,170 428,162 450,155 472,149 495,143 518,138 540,134 562,130 585,127 607,125 630,122 652,120 675,119 698,117 720,116 742,115 765,114 787,114 810,113 832,113 855,112 877,112 900,112 923,111 945,111 968,111 990,111 1012,111 1035,111 1058,111 1080,111 1102,110 1125,110 1147,110 1170,110\" fill=\"none\" stroke=\"#c68a4a\" stroke-width=\"4.5\"\u003e\u003c\/polyline\u003e\n\u003ctext x=\"202\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e20\u003c\/text\u003e\n\u003ctext x=\"371\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e30\u003c\/text\u003e\n\u003ctext x=\"584\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e50\u003c\/text\u003e\n\u003ctext x=\"869\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e100\u003c\/text\u003e\n\u003ctext x=\"1158\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e200\u003c\/text\u003e\n\u003ctext x=\"560\" y=\"404\" font-size=\"17\" fill=\"#c68a4a\" font-family=\"sans-serif\" font-weight=\"700\"\u003eFrequency (Hz)\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"56\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e+4\u003c\/text\u003e\n\u003ctext x=\"58\" y=\"190\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-5\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"265\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-10\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"340\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-15\u003c\/text\u003e\n\u003ctext x=\"102\" y=\"36\" font-size=\"16\" fill=\"#d99058\" font-family=\"sans-serif\" font-weight=\"700\"\u003eResoNix GUS-15, per driver. Anechoic half-space, no cabin gain.\u003c\/text\u003e\n\u003cline x1=\"800\" y1=\"255\" x2=\"850\" y2=\"255\" stroke=\"#c68a4a\" stroke-width=\"4.5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"862\" y=\"261\" font-size=\"16\" fill=\"#e2e8f0\" font-family=\"sans-serif\" font-weight=\"700\"\u003e1.35 cu ft, this enclosure\u003c\/text\u003e\n\u003cline x1=\"800\" y1=\"287\" x2=\"850\" y2=\"287\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"862\" y=\"293\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e0.80 cu ft and 2.00 cu ft\u003c\/text\u003e\n\u003c\/svg\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-alert\"\u003e\u003cp\u003e\u003cstrong\u003eThe thing the curves actually show.\u003c\/strong\u003e Look at the F3 column, not the Qtc column. Across the entire usable range, from ResoNix's minimum 0.8 up to their maximum 2.0 cubic feet, \u003cstrong\u003eF3 moves less than two hertz\u003c\/strong\u003e. Enclosure volume on this driver changes the shape of the response, not how deep it plays. Going bigger does not buy extension. It buys damping and headroom, and it costs you upper bass. That is unusual, and it is a direct result of an Fs of 17 Hz paired with a Qts of 0.34.\u003c\/p\u003e\u003c\/div\u003e\n\n\u003cdiv class=\"pow-alert\"\u003e\u003cp\u003e\u003cstrong\u003eWhy we built at 1.35.\u003c\/strong\u003e The small box gains upper bass emphasis and the large box gains control, and neither gains bottom end. 1.35 cubic feet sits at the maximally flat point between them, which is why it is ResoNix's own published recommendation. They designed the driver, and this is the alignment they built it around.\u003c\/p\u003e\u003c\/div\u003e\n\n\u003cdiv class=\"pow-alert\"\u003e\u003cp\u003e\u003cstrong\u003eWhat flat means in a trunk.\u003c\/strong\u003e These figures are anechoic. Installed in a vehicle, cabin transfer function lifts the bottom octave regardless of alignment, and a rear firing trunk mount adds the loading of the trunk itself on top of that. In practice the in-car response will be considerably warmer than the curve above.\u003c\/p\u003e\u003c\/div\u003e\n\n\u003cp\u003eRun your own numbers with the \u003ca href=\"\/pages\/sealed-box-calculator\"\u003eSealed Box Calculator\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003cp\u003eFull dimensions, cutout, mounting depth, and hardware details are listed under the \u003cstrong\u003eEnclosures\u003c\/strong\u003e tab.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-cta\"\u003e\n\u003ch3\u003eCut for the GUS-15. Built in Tennessee.\u003c\/h3\u003e\n\u003cp\u003eEnclosure only. The ResoNix GUS-15 drivers are purchased separately from ResoNix Sound Solutions. Every Performance Optimized Wedge is built to order in Tullahoma, Tennessee on our own CNC equipment. Questions on fitment or amplifier matching, call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Plush Black","offer_id":44465625137241,"sku":"PO15D-S W GUS B","price":519.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO15D-SGUSFront.jpg?v=1787515373"},{"product_id":"proline-x-po-15-s-w-gus-single-15-sealed-wedge-subwoofer-enclosure-built-for-resonix-gus-15","title":"ResoNix GUS-15 Box: Sealed 15\" Wedge Enclosure","description":"\u003cstyle\u003e\n.pow-wrap{font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;line-height:1.7;color:#cbd5e1 !important;}\n.pow-wrap p{color:#cbd5e1 !important;margin:0 0 14px 0;}\n.pow-wrap ul{margin:0 0 16px 0;padding-left:20px;}\n.pow-wrap li{color:#cbd5e1 !important;margin-bottom:8px;}\n.pow-wrap strong{color:#d99058 !important;}\n.pow-wrap a{color:#c68a4a !important;font-weight:700;text-decoration:underline;}\n.pow-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%) !important;border-radius:8px;padding:32px 28px;margin-bottom:28px;}\n.pow-eyebrow{display:inline-block;color:#d99058 !important;font-size:0.72em;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;margin-bottom:10px;}\n.pow-hero h2{color:#ffffff !important;font-size:1.55em;font-weight:700;margin:0 0 12px 0;line-height:1.3;}\n.pow-hero p{color:#e2e8f0 !important;font-size:1.02em;margin:0;}\n.pow-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}\n.pow-badge{display:inline-block;background:rgba(184,115,51,0.18) !important;border:1px solid #b87333 !important;color:#eab784 !important;font-size:0.75em;font-weight:600;letter-spacing:0.04em;padding:5px 12px;border-radius:4px;}\n.pow-section{margin:30px 0;}\n.pow-section-alt{background:#111c30 !important;border:1px solid #3a2818 !important;border-radius:8px;padding:26px 24px;margin:30px 0;}\n.pow-wrap h3{color:#c68a4a !important;font-size:1.22em;font-weight:700;margin:0 0 14px 0;line-height:1.35;}\n.pow-wrap h4{color:#c68a4a !important;font-size:1.02em;font-weight:700;margin:0 0 10px 0;}\n.pow-highlight{background:#0f172a !important;border-left:4px solid #b87333 !important;padding:20px 22px;margin:28px 0;border-radius:0 6px 6px 0;}\n.pow-highlight h3{color:#c68a4a !important;margin:0 0 10px 0;font-size:1.1em;}\n.pow-highlight h3+h3{margin-top:18px;}\n.pow-highlight p{margin-bottom:10px;font-size:0.97em;color:#cbd5e1 !important;}\n.pow-highlight p:last-child{margin-bottom:0;}\n.pow-alert{background:#2f1c0d !important;border:1px solid #b87333 !important;border-radius:6px;padding:14px 18px;margin:22px 0;font-size:0.93em;}\n.pow-alert p{color:#eab784 !important;margin:0;}\n.pow-alert strong{color:#d99058 !important;}\n.pow-warn{background:#2b1a0b !important;border:2px solid #f59e0b !important;border-radius:8px;padding:20px 22px;margin:26px 0;}\n.pow-warn-label{display:inline-block;background:#f59e0b !important;color:#2b1a0b !important;font-size:0.68em;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;padding:4px 11px;border-radius:3px;margin-bottom:12px;}\n.pow-warn h3{color:#fbbf24 !important;margin:0 0 10px 0;}\n.pow-warn p{color:#fde68a !important;margin:0 0 10px 0;}\n.pow-warn p:last-child{margin-bottom:0;}\n.pow-warn strong{color:#fbbf24 !important;}\n.pow-card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:24px 0;}\n@media(max-width:600px){.pow-card-grid{grid-template-columns:1fr;}}\n.pow-card{background:#1a2740 !important;border:1px solid #4a3520 !important;border-top:3px solid #b87333 !important;border-radius:6px;padding:22px;}\n.pow-card-label{display:inline-block;background:#b87333 !important;color:#2a1608 !important;font-size:0.68em;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;padding:3px 10px;border-radius:3px;margin-bottom:10px;}\n.pow-card h4{margin:0 0 10px 0;}\n.pow-card-divider{height:2px;background:#b87333 !important;width:32px;margin-bottom:12px;border-radius:2px;}\n.pow-card p{font-size:0.93em;color:#b6c4d6 !important;margin:0;line-height:1.65;}\n.pow-card p strong{color:#d99058 !important;}\n.pow-table{width:100% !important;border-collapse:collapse;margin:22px 0;font-size:0.94em;}\n.pow-table th{background:#8b5a2b !important;color:#ffffff !important;text-align:left;padding:11px 14px;font-weight:700;font-size:0.9em;letter-spacing:0.04em;text-transform:uppercase;border-bottom:1px solid #3a2818 !important;}\n.pow-table td{padding:10px 14px;border-bottom:1px solid #3a2818 !important;color:#dbe4ef !important;background:#111c30 !important;}\n.pow-table tr:nth-child(even) td{background:#1a2740 !important;}\n.pow-table td:first-child{font-weight:600;color:#d99058 !important;width:30%;}\n.pow-chartbox{display:block !important;width:100% !important;max-width:100% !important;margin:22px 0 !important;}\n.pow-chart{display:block !important;width:100% !important;max-width:100% !important;height:auto !important;}\n.pow-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%) !important;border-radius:8px;padding:28px 26px;margin:32px 0 0 0;text-align:center;}\n.pow-cta h3{color:#ffffff !important;margin:0 0 10px 0;}\n.pow-cta p{color:#e2e8f0 !important;margin:0;font-size:0.97em;}\n\u003c\/style\u003e\n\u003cdiv class=\"pow-wrap\"\u003e\n\u003cdiv class=\"pow-hero\"\u003e\n\u003cspan class=\"pow-eyebrow\"\u003eProline X | Performance Optimized Wedge\u003c\/span\u003e\n\u003ch2\u003eOne GUS-15, Sized to the Number ResoNix Published.\u003c\/h2\u003e\n\u003cp\u003eA sealed wedge cut for a single ResoNix GUS-15 and nothing else. It sits in the trunk with the tall face against the back of the rear seat and the driver firing rearward, using the length of the trunk instead of standing in the middle of it.\u003c\/p\u003e\n\u003cdiv class=\"pow-badges\"\u003e\n\u003cspan class=\"pow-badge\"\u003e1.35 CU FT NET ACOUSTIC\u003c\/span\u003e \u003cspan class=\"pow-badge\"\u003eQTC 0.687\u003c\/span\u003e \u003cspan class=\"pow-badge\"\u003eTRUNK MOUNT, REAR FIRING\u003c\/span\u003e \u003cspan class=\"pow-badge\"\u003e1500W RMS\u003c\/span\u003e \u003cspan class=\"pow-badge\"\u003eDIRECT FIT GUS-15\u003c\/span\u003e \u003cspan class=\"pow-badge\"\u003eBUILT IN TULLAHOMA, TN\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-warn\"\u003e\n\u003cspan class=\"pow-warn-label\"\u003eRead This First\u003c\/span\u003e\n\u003ch3\u003eThis Is Not a Down Fire Enclosure\u003c\/h3\u003e\n\u003cp\u003eThe wedge works in one orientation: tall face flat against the rear seat back, taper running out toward the trunk lid, driver firing rearward. There are no feet, no baffle clearance gap, and \u003cstrong\u003eno down fire option on this cabinet\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIt is also cut direct fit to the GUS-15 at a 355mm opening. \u003cstrong\u003eA standard 15 will not fit\u003c\/strong\u003e, and would not see the correct airspace if it did.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eBuilt Backward From One Published Number\u003c\/h3\u003e\n\u003cp\u003eResoNix specifies \u003cstrong\u003e1.35 cubic feet of net acoustic airspace\u003c\/strong\u003e for the GUS-15, the volume that produces a maximally flat sealed alignment. This cabinet is built at \u003cstrong\u003e1.42 cubic feet gross\u003c\/strong\u003e. Subtract the driver's 0.072 cubic feet of displacement and the GUS-15 sees 1.348 cubic feet.\u003c\/p\u003e\n\u003cp\u003eThat is not close to the target. That is the target. The cabinet was sized from the number rather than the number being quoted after the fact, which is the whole idea behind the Optimized line.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-section-alt\"\u003e\n\u003ch3\u003eWhy a Wedge\u003c\/h3\u003e\n\u003cdiv class=\"pow-card-grid\"\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003ePackaging\u003c\/span\u003e\n\u003cdiv class=\"pow-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch4\u003eIt Uses the Trunk Lengthwise\u003c\/h4\u003e\n\u003cp\u003eTall face against the rear seat, tapering down as it runs out toward the lid. The cabinet claims the deep space at the base of the trunk and gives height back where the lid closes, so \u003cstrong\u003eyou keep usable trunk\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eLoading\u003c\/span\u003e\n\u003cdiv class=\"pow-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch4\u003eThe Trunk Is Part of the System\u003c\/h4\u003e\n\u003cp\u003eFiring rearward means output loads into the trunk volume and reaches the cabin through the rear seat and deck. That path is what gives a trunk mounted subwoofer its weight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eLocalization\u003c\/span\u003e\n\u003cdiv class=\"pow-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch4\u003eHarder to Point At\u003c\/h4\u003e\n\u003cp\u003eBecause the driver does not radiate straight into the cabin, the low end arrives through the structure rather than as a beam from behind your head, which makes \u003cstrong\u003ekeeping the stage forward\u003c\/strong\u003e easier.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eFootprint\u003c\/span\u003e\n\u003cdiv class=\"pow-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch4\u003eHalf the Width of the Dual\u003c\/h4\u003e\n\u003cp\u003eAt 23.5 inches wide this fits vehicles the 36 inch dual 15 cannot. One GUS-15 in the right airspace beats two in the wrong one.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-section-alt\"\u003e\n\u003ch3\u003eHow It Is Built\u003c\/h3\u003e\n\u003cdiv class=\"pow-highlight\"\u003e\n\u003ch3\u003eCabinet\u003c\/h3\u003e\n\u003cp\u003eCut on our ShopSabre CNC from Langboard Elite MDF and assembled with \u003cstrong\u003edado and V groove joinery\u003c\/strong\u003e over 0.75 inch panels, with a \u003cstrong\u003edouble baffle at 1.5 inches\u003c\/strong\u003e. Angled panel meets are cut as V joints so the faces close on a machined bevel rather than a filled seam.\u003c\/p\u003e\n\u003ch3\u003eMounting Pattern\u003c\/h3\u003e\n\u003cp\u003eThe GUS-15 is in the Proline X CAD library, drawn from the manufacturer's own STEP file. The 355mm cutout and the nutsert locations are machined in the same operation from the same origin, so the holes cannot drift relative to each other. \u003cstrong\u003e8\/32 threaded inserts installed\u003c\/strong\u003e with stainless machine screws supplied, matched to the driver's 375mm bolt circle and its eight 6.5mm holes.\u003c\/p\u003e\n\u003ch3\u003eWiring and Damping\u003c\/h3\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite terminal cup, side mounted, pre wired with 12 gauge OFC. Polyfill is installed as a light wall lining to control internal reflections without altering the acoustic volume, because adding fill density would shift the alignment off the 1.35 target.\u003c\/p\u003e\n\u003ch3\u003eFinish\u003c\/h3\u003e\n\u003cp\u003ePlush black carpet with a black acrylic badge on the woofer face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eExternal dimensions are \u003cstrong\u003e23 inches wide by 17.6 inches tall\u003c\/strong\u003e, with depth running \u003cstrong\u003e12.625 inches at the base tapering to 6.25 inches at the top\u003c\/strong\u003e. Maximum driver mounting depth is 7 inches, comfortable for the GUS-15.\u003c\/p\u003e\n\u003cdiv class=\"pow-alert\"\u003e\n\u003cp\u003e\u003cstrong\u003eFront clearance.\u003c\/strong\u003e ResoNix specifies 33mm minimum clearance in front of the GUS-15. At more than 25mm of Klippel verified one way excursion that is the operational envelope of the suspension, not optional headroom. Since the driver fires rearward into the trunk, anything you load behind the box has to stay outside that envelope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eEnclosure Performance\u003c\/h3\u003e\n\u003cp\u003eCalculated from ResoNix's published Klippel measured parameters for the GUS-15 D4 coil: \u003cstrong\u003eFs 17.11 Hz, Qts 0.34, Vas 117.47 litres\u003c\/strong\u003e. Nothing here is estimated.\u003c\/p\u003e\n\u003ctable class=\"pow-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003efc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003cth\u003eCharacter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.80 cu ft, ResoNix minimum\u003c\/td\u003e\n\u003ctd\u003e0.846\u003c\/td\u003e\n\u003ctd\u003e42.6 Hz\u003c\/td\u003e\n\u003ctd\u003e36.7 Hz\u003c\/td\u003e\n\u003ctd\u003ePunchier, more upper bass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: #14532d !important; color: #86efac !important;\"\u003e\u003cstrong style=\"color: #86efac !important;\"\u003e1.35 cu ft, this enclosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background: #14532d !important; color: #86efac !important;\"\u003e\u003cstrong style=\"color: #86efac !important;\"\u003e0.687\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background: #14532d !important; color: #86efac !important;\"\u003e\u003cstrong style=\"color: #86efac !important;\"\u003e34.5 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background: #14532d !important; color: #86efac !important;\"\u003e\u003cstrong style=\"color: #86efac !important;\"\u003e35.6 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background: #14532d !important; color: #86efac !important;\"\u003e\u003cstrong style=\"color: #86efac !important;\"\u003eMaximally flat. The target.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.00 cu ft, ResoNix maximum\u003c\/td\u003e\n\u003ctd\u003e0.596\u003c\/td\u003e\n\u003ctd\u003e30.0 Hz\u003c\/td\u003e\n\u003ctd\u003e36.6 Hz\u003c\/td\u003e\n\u003ctd\u003eBelow Butterworth, xmax limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"pow-chartbox\"\u003e\u003csvg class=\"pow-chart\" width=\"1260\" height=\"420\" viewbox=\"0 0 1260 420\" preserveaspectratio=\"xMidYMid meet\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"display: block !important; width: 100% !important; max-width: 100% !important; height: auto !important;\"\u003e\n\u003crect x=\"0\" y=\"0\" width=\"1260\" height=\"420\" fill=\"#0b1424\"\u003e\u003c\/rect\u003e\n\u003crect x=\"90\" y=\"50\" width=\"1080\" height=\"300\" fill=\"#111c30\" stroke=\"#4a3520\" stroke-width=\"1\"\u003e\u003c\/rect\u003e\n\u003cline x1=\"210\" y1=\"50\" x2=\"210\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"379\" y1=\"50\" x2=\"379\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"592\" y1=\"50\" x2=\"592\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"881\" y1=\"50\" x2=\"881\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"90\" y1=\"110\" x2=\"1170\" y2=\"110\" stroke=\"#334155\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"90\" y1=\"155\" x2=\"1170\" y2=\"155\" stroke=\"#64748b\" stroke-width=\"1\" stroke-dasharray=\"6,5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"1178\" y=\"160\" font-size=\"15\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-3 dB\u003c\/text\u003e\n\u003ctext x=\"1178\" y=\"115\" font-size=\"15\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e0 dB\u003c\/text\u003e\n\u003cpolyline points=\"90,350 112,350 135,349 157,335 180,320 202,306 225,292 247,277 270,263 292,249 315,235 337,222 360,209 382,196 405,184 428,172 450,161 472,151 495,142 518,134 540,127 562,122 585,117 607,113 630,110 652,108 675,106 698,105 720,104 742,104 765,104 787,104 810,104 832,104 855,104 877,105 900,105 923,105 945,106 968,106 990,106 1012,107 1035,107 1058,107 1080,108 1102,108 1125,108 1147,108 1170,108\" fill=\"none\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/polyline\u003e\n\u003cpolyline points=\"90,306 112,294 135,282 157,270 180,259 202,248 225,238 247,227 270,218 292,208 315,200 337,191 360,184 382,176 405,170 428,164 450,158 472,153 495,148 518,144 540,140 562,137 585,134 607,131 630,129 652,127 675,125 698,123 720,122 742,120 765,119 787,118 810,117 832,117 855,116 877,115 900,115 923,114 945,114 968,113 990,113 1012,113 1035,112 1058,112 1080,112 1102,112 1125,112 1147,111 1170,111\" fill=\"none\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/polyline\u003e\n\u003cpolyline points=\"90,331 112,317 135,304 157,291 180,278 202,266 225,253 247,241 270,229 292,218 315,207 337,197 360,187 382,178 405,170 428,162 450,155 472,149 495,143 518,138 540,134 562,130 585,127 607,125 630,122 652,120 675,119 698,117 720,116 742,115 765,114 787,114 810,113 832,113 855,112 877,112 900,112 923,111 945,111 968,111 990,111 1012,111 1035,111 1058,111 1080,111 1102,110 1125,110 1147,110 1170,110\" fill=\"none\" stroke=\"#c68a4a\" stroke-width=\"4.5\"\u003e\u003c\/polyline\u003e\n\u003ctext x=\"202\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e20\u003c\/text\u003e\n\u003ctext x=\"371\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e30\u003c\/text\u003e\n\u003ctext x=\"584\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e50\u003c\/text\u003e\n\u003ctext x=\"869\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e100\u003c\/text\u003e\n\u003ctext x=\"1158\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e200\u003c\/text\u003e\n\u003ctext x=\"560\" y=\"404\" font-size=\"17\" fill=\"#c68a4a\" font-family=\"sans-serif\" font-weight=\"700\"\u003eFrequency (Hz)\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"56\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e+4\u003c\/text\u003e\n\u003ctext x=\"58\" y=\"190\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-5\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"265\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-10\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"340\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-15\u003c\/text\u003e\n\u003ctext x=\"102\" y=\"36\" font-size=\"16\" fill=\"#d99058\" font-family=\"sans-serif\" font-weight=\"700\"\u003eResoNix GUS-15. Anechoic half-space, no cabin gain.\u003c\/text\u003e\n\u003cline x1=\"800\" y1=\"255\" x2=\"850\" y2=\"255\" stroke=\"#c68a4a\" stroke-width=\"4.5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"862\" y=\"261\" font-size=\"16\" fill=\"#e2e8f0\" font-family=\"sans-serif\" font-weight=\"700\"\u003e1.35 cu ft, this enclosure\u003c\/text\u003e\n\u003cline x1=\"800\" y1=\"287\" x2=\"850\" y2=\"287\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"862\" y=\"293\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e0.80 cu ft and 2.00 cu ft\u003c\/text\u003e\n\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"pow-alert\"\u003e\n\u003cp\u003e\u003cstrong\u003eLook at the F3 column, not the Qtc column.\u003c\/strong\u003e Across the entire usable range, from ResoNix's minimum 0.8 up to their maximum 2.0 cubic feet, \u003cstrong\u003eF3 moves about one hertz\u003c\/strong\u003e. Enclosure volume on this driver changes the shape of the response, not how deep it plays. Going bigger buys damping and headroom and costs upper bass, but buys no extension. That falls straight out of a 17 Hz Fs paired with a 0.34 Qts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-alert\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhat flat means in a trunk.\u003c\/strong\u003e These figures are anechoic. Installed in a vehicle, cabin transfer function lifts the bottom octave regardless of alignment, and a rear firing trunk mount adds the loading of the trunk on top of that. In practice the in-car response will be considerably warmer than the curve above.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eRun your own numbers with the \u003ca href=\"\/pages\/sealed-box-calculator\"\u003eSealed Box Calculator\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-section\"\u003e\n\u003cp\u003eFull dimensions, cutout, mounting depth, and hardware details are listed under the \u003cstrong\u003eEnclosures\u003c\/strong\u003e tab.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-cta\"\u003e\n\u003ch3\u003eCut for the GUS-15. Built in Tennessee.\u003c\/h3\u003e\n\u003cp\u003eEnclosure only. The ResoNix GUS-15 driver is purchased separately from ResoNix Sound Solutions. Built to order in Tullahoma, Tennessee on our own CNC equipment. Questions on fitment or amplifier matching, call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Plush Black","offer_id":44493043531865,"sku":"PO 15-S W GUS","price":419.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO15-SWGUSFront.png?v=1786656707"},{"product_id":"proline-x-po-12d-s-w-gus-dual-12-sealed-wedge-subwoofer-enclosure-built-for-resonix-gus-12","title":"ResoNix GUS-12 Dual Box: Sealed 12\" Shallow Wedge Enclosure","description":"\u003cdiv class=\"pow-wrap\"\u003e\n\u003cstyle\u003e\n.pow-wrap{font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;line-height:1.7;color:#cbd5e1 !important;}\n.pow-wrap p{color:#cbd5e1 !important;margin:0 0 14px 0;}\n.pow-wrap strong{color:#d99058 !important;}\n.pow-wrap a{color:#c68a4a !important;font-weight:700;text-decoration:underline;}\n.pow-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%) !important;border-radius:8px;padding:32px 28px;margin-bottom:28px;}\n.pow-eyebrow{display:inline-block;color:#d99058 !important;font-size:0.72em;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;margin-bottom:10px;}\n.pow-hero h2{color:#ffffff !important;font-size:1.55em;font-weight:700;margin:0 0 12px 0;line-height:1.3;}\n.pow-hero p{color:#e2e8f0 !important;font-size:1.02em;margin:0;}\n.pow-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}\n.pow-badge{display:inline-block;background:rgba(184,115,51,0.18) !important;border:1px solid #b87333 !important;color:#eab784 !important;font-size:0.75em;font-weight:600;letter-spacing:0.04em;padding:5px 12px;border-radius:4px;}\n.pow-section{margin:30px 0;}\n.pow-section-alt{background:#111c30 !important;border:1px solid #3a2818 !important;border-radius:8px;padding:26px 24px;margin:30px 0;}\n.pow-wrap h3{color:#c68a4a !important;font-size:1.22em;font-weight:700;margin:0 0 14px 0;line-height:1.35;}\n.pow-wrap h4{color:#c68a4a !important;font-size:1.02em;font-weight:700;margin:0 0 10px 0;}\n.pow-highlight{background:#0f172a !important;border-left:4px solid #b87333 !important;padding:20px 22px;margin:28px 0;border-radius:0 6px 6px 0;}\n.pow-highlight h3{color:#c68a4a !important;margin:0 0 10px 0;font-size:1.1em;}\n.pow-highlight h3+h3{margin-top:18px;}\n.pow-highlight p{margin-bottom:10px;font-size:0.97em;color:#cbd5e1 !important;}\n.pow-highlight p:last-child{margin-bottom:0;}\n.pow-alert{background:#2f1c0d !important;border:1px solid #b87333 !important;border-radius:6px;padding:14px 18px;margin:22px 0;font-size:0.93em;}\n.pow-alert p{color:#eab784 !important;margin:0;}\n.pow-alert strong{color:#d99058 !important;}\n.pow-warn{background:#2b1a0b !important;border:2px solid #f59e0b !important;border-radius:8px;padding:20px 22px;margin:26px 0;}\n.pow-warn-label{display:inline-block;background:#f59e0b !important;color:#2b1a0b !important;font-size:0.68em;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;padding:4px 11px;border-radius:3px;margin-bottom:12px;}\n.pow-warn h3{color:#fbbf24 !important;margin:0 0 10px 0;}\n.pow-warn p{color:#fde68a !important;margin:0 0 10px 0;}\n.pow-warn p:last-child{margin-bottom:0;}\n.pow-warn strong{color:#fbbf24 !important;}\n.pow-card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:24px 0;}\n@media(max-width:600px){.pow-card-grid{grid-template-columns:1fr;}}\n.pow-card{background:#1a2740 !important;border:1px solid #4a3520 !important;border-top:3px solid #b87333 !important;border-radius:6px;padding:22px;}\n.pow-card-label{display:inline-block;background:#b87333 !important;color:#2a1608 !important;font-size:0.68em;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;padding:3px 10px;border-radius:3px;margin-bottom:10px;}\n.pow-card h4{margin:0 0 10px 0;}\n.pow-card-divider{height:2px;background:#b87333 !important;width:32px;margin-bottom:12px;border-radius:2px;}\n.pow-card p{font-size:0.93em;color:#b6c4d6 !important;margin:0;line-height:1.65;}\n.pow-card p strong{color:#d99058 !important;}\n.pow-table{width:100% !important;border-collapse:collapse;margin:22px 0;font-size:0.94em;}\n.pow-table th{background:#8b5a2b !important;color:#ffffff !important;text-align:left;padding:11px 14px;font-weight:700;font-size:0.9em;letter-spacing:0.04em;text-transform:uppercase;border-bottom:1px solid #3a2818 !important;}\n.pow-table td{padding:10px 14px;border-bottom:1px solid #3a2818 !important;color:#dbe4ef !important;background:#111c30 !important;}\n.pow-table tr:nth-child(even) td{background:#1a2740 !important;}\n.pow-table td:first-child{font-weight:600;color:#d99058 !important;width:30%;}\n.pow-chartbox{display:block !important;width:100% !important;max-width:100% !important;margin:22px 0 !important;}\n.pow-chart{display:block !important;width:100% !important;max-width:100% !important;height:auto !important;}\n.pow-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%) !important;border-radius:8px;padding:28px 26px;margin:32px 0 0 0;text-align:center;}\n.pow-cta h3{color:#ffffff !important;margin:0 0 10px 0;}\n.pow-cta p{color:#e2e8f0 !important;margin:0;font-size:0.97em;}\n\u003c\/style\u003e\n\n\u003cdiv class=\"pow-hero\"\u003e\n\u003cspan class=\"pow-eyebrow\"\u003eProline X | Performance Optimized Wedge\u003c\/span\u003e\n\u003ch2\u003eTwo GUS-12s, Each in Its Own 0.75 Cubic Feet.\u003c\/h2\u003e\n\u003cp\u003eA dual chamber sealed wedge cut for the ResoNix GUS-12 and nothing else. It sits in the trunk with the tall face against the back of the rear seat and the drivers firing rearward, using the length of the trunk instead of standing in the middle of it.\u003c\/p\u003e\n\u003cdiv class=\"pow-badges\"\u003e\n\u003cspan class=\"pow-badge\"\u003e0.75 CU FT NET PER DRIVER\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eDUAL CHAMBER\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eQTC 0.719\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eTRUNK MOUNT, REAR FIRING\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003e1600W RMS COMBINED\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eBUILT IN TULLAHOMA, TN\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-warn\"\u003e\n\u003cspan class=\"pow-warn-label\"\u003eRead This First\u003c\/span\u003e\n\u003ch3\u003eThis Is Not a Down Fire Enclosure\u003c\/h3\u003e\n\u003cp\u003eThe wedge works in one orientation: tall face flat against the rear seat back, taper running out toward the trunk lid, drivers firing rearward. There are no feet, no baffle clearance gap, and \u003cstrong\u003eno down fire option on this cabinet\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIt is cut direct fit to the GUS-12 at a 283.6mm opening. \u003cstrong\u003eA standard 12 will not fit\u003c\/strong\u003e, and would not see the correct airspace if it did.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eBuilt Backward From One Published Number\u003c\/h3\u003e\n\u003cp\u003eResoNix specifies \u003cstrong\u003e0.75 cubic feet of net acoustic airspace\u003c\/strong\u003e per GUS-12, the volume that produces a maximally flat sealed alignment. Each chamber here is built at \u003cstrong\u003e0.80 cubic feet gross\u003c\/strong\u003e. Subtract the driver's 0.046 cubic feet of displacement and each GUS-12 sees 0.754 cubic feet.\u003c\/p\u003e\n\u003cp\u003eThat is not close to the target. That is the target. Total gross volume across both chambers is 1.60 cubic feet, 1.508 net acoustic.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section-alt\"\u003e\n\u003ch3\u003eWhy a Wedge\u003c\/h3\u003e\n\u003cdiv class=\"pow-card-grid\"\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003ePackaging\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eIt Uses the Trunk Lengthwise\u003c\/h4\u003e\n\u003cp\u003eTall face against the rear seat, tapering down as it runs out toward the lid. The cabinet claims the deep space at the base of the trunk and gives height back where the lid closes, so \u003cstrong\u003eyou keep usable trunk\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eLoading\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eThe Trunk Is Part of the System\u003c\/h4\u003e\n\u003cp\u003eFiring rearward means output loads into the trunk volume and reaches the cabin through the rear seat and deck. That path is what gives a trunk mounted subwoofer its weight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eLocalization\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eHarder to Point At\u003c\/h4\u003e\n\u003cp\u003eBecause the drivers do not radiate straight into the cabin, the low end arrives through the structure rather than as a beam from behind your head, which makes \u003cstrong\u003ekeeping the stage forward\u003c\/strong\u003e easier.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eSeparation\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eTwo Sealed Chambers\u003c\/h4\u003e\n\u003cp\u003eA full divider gives each GUS-12 its own airspace. \u003cstrong\u003eNeither cone loads against the other\u003c\/strong\u003e, so the pair stays predictable when both are working hard.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eDual Chamber, Not Common Chamber\u003c\/h3\u003e\n\u003cp\u003eEach GUS-12 loads into its own sealed 0.80 cubic foot chamber, isolated by a full divider. With separate chambers, one driver's cone motion does not modulate the air load the other driver sees, so the two stay acoustically independent under hard excursion.\u003c\/p\u003e\n\u003cp\u003eThe GUS-12 is rated at \u003cstrong\u003e800 watts RMS each in its suggested enclosure\u003c\/strong\u003e, so this cabinet is built around a 1600 watt pair. A single Proline X terminal cup is side mounted and pre wired with 12 gauge OFC. This is a raw enclosure, so how you wire the drivers from that cup is your call.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section-alt\"\u003e\n\u003ch3\u003eHow It Is Built\u003c\/h3\u003e\n\u003cdiv class=\"pow-highlight\"\u003e\n\u003ch3\u003eCabinet\u003c\/h3\u003e\n\u003cp\u003eCut on our ShopSabre CNC from Langboard Elite MDF and assembled with \u003cstrong\u003edado and V groove joinery\u003c\/strong\u003e over 0.75 inch panels, with a \u003cstrong\u003edouble baffle at 1.5 inches\u003c\/strong\u003e and a full chamber divider. Angled panel meets are cut as V joints so the faces close on a machined bevel rather than a filled seam.\u003c\/p\u003e\n\u003ch3\u003eMounting Pattern\u003c\/h3\u003e\n\u003cp\u003eThe GUS-12 is in the Proline X CAD library, drawn from the manufacturer's own STEP file. The 283.6mm cutout and the nutsert locations are machined in the same operation from the same origin, so the holes cannot drift relative to each other. \u003cstrong\u003e8\/32 threaded inserts installed at both driver positions\u003c\/strong\u003e with stainless machine screws supplied, matched to the driver's 304mm bolt circle and its eight 6.5mm holes.\u003c\/p\u003e\n\u003ch3\u003eWiring and Damping\u003c\/h3\u003e\n\u003cp\u003eOne Proline X ABS and carbon fiber composite terminal cup, side mounted, pre wired with 12 gauge OFC to both driver positions. Polyfill is installed as a light wall lining to control internal reflections without altering the acoustic volume, because adding fill density would shift the alignment off the 0.75 target.\u003c\/p\u003e\n\u003ch3\u003eFinish\u003c\/h3\u003e\n\u003cp\u003ePlush black carpet with a black acrylic badge on the woofer face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eExternal dimensions are \u003cstrong\u003e30.25 inches wide by 15 inches tall\u003c\/strong\u003e, with depth running \u003cstrong\u003e13.5 inches at the base tapering to 8 inches at the top\u003c\/strong\u003e. Maximum driver mounting depth is 7.5 inches, comfortable for the GUS-12's 115.3mm requirement.\u003c\/p\u003e\n\u003cdiv class=\"pow-alert\"\u003e\u003cp\u003e\u003cstrong\u003eFront clearance.\u003c\/strong\u003e ResoNix specifies 28mm minimum clearance in front of each GUS-12. At more than 20mm of Klippel verified one way excursion that is the operational envelope of the suspension, not optional headroom. Since the drivers fire rearward into the trunk, anything you load behind the box has to stay outside that envelope. Verify both positions independently.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eEnclosure Performance\u003c\/h3\u003e\n\u003cp\u003eCalculated from ResoNix's published Klippel measured parameters for the GUS-12 D4 coil: \u003cstrong\u003eFs 14.54 Hz, Qts 0.28, Vas 119.35 litres\u003c\/strong\u003e. Nothing here is estimated.\u003c\/p\u003e\n\u003ctable class=\"pow-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Volume Per Driver\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003efc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003cth\u003eCharacter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.45 cu ft, ResoNix minimum\u003c\/td\u003e\n\u003ctd\u003e0.901\u003c\/td\u003e\n\u003ctd\u003e46.8 Hz\u003c\/td\u003e\n\u003ctd\u003e38.8 Hz\u003c\/td\u003e\n\u003ctd\u003ePunchier, more upper bass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e0.75 cu ft, this enclosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e0.719\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e37.3 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e36.7 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003eMaximally flat. The target.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.50 cu ft, ResoNix maximum\u003c\/td\u003e\n\u003ctd\u003e0.547\u003c\/td\u003e\n\u003ctd\u003e28.4 Hz\u003c\/td\u003e\n\u003ctd\u003e38.9 Hz\u003c\/td\u003e\n\u003ctd\u003eBelow Butterworth, xmax limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cdiv class=\"pow-chartbox\"\u003e\n\u003csvg class=\"pow-chart\" width=\"1260\" height=\"420\" viewbox=\"0 0 1260 420\" preserveaspectratio=\"xMidYMid meet\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"display:block !important;width:100% !important;max-width:100% !important;height:auto !important;\"\u003e\n\u003crect x=\"0\" y=\"0\" width=\"1260\" height=\"420\" fill=\"#0b1424\"\u003e\u003c\/rect\u003e\n\u003crect x=\"90\" y=\"50\" width=\"1080\" height=\"300\" fill=\"#111c30\" stroke=\"#4a3520\" stroke-width=\"1\"\u003e\u003c\/rect\u003e\n\u003cline x1=\"210\" y1=\"50\" x2=\"210\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"379\" y1=\"50\" x2=\"379\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"592\" y1=\"50\" x2=\"592\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"881\" y1=\"50\" x2=\"881\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"90\" y1=\"110\" x2=\"1170\" y2=\"110\" stroke=\"#334155\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"90\" y1=\"155\" x2=\"1170\" y2=\"155\" stroke=\"#64748b\" stroke-width=\"1\" stroke-dasharray=\"6,5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"1178\" y=\"160\" font-size=\"15\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-3 dB\u003c\/text\u003e\n\u003ctext x=\"1178\" y=\"115\" font-size=\"15\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e0 dB\u003c\/text\u003e\n\u003cpolyline points=\"90,350 112,350 135,350 158,350 180,344 202,329 225,314 248,300 270,285 292,271 315,256 338,242 360,227 382,213 405,200 428,187 450,174 472,162 495,151 518,141 540,132 562,124 585,118 608,112 630,108 652,105 675,103 698,101 720,100 742,100 765,100 788,100 810,100 832,100 855,101 878,102 900,102 922,103 945,103 968,104 990,104 1012,105 1035,105 1058,106 1080,106 1102,106 1125,107 1148,107 1170,107\" fill=\"none\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/polyline\u003e\n\u003cpolyline points=\"90,301 112,289 135,278 158,267 180,257 202,247 225,237 248,228 270,219 292,210 315,202 338,195 360,187 382,181 405,174 428,169 450,163 472,158 495,154 518,149 540,146 562,142 585,139 608,136 630,133 652,131 675,129 698,127 720,125 742,124 765,122 788,121 810,120 832,119 855,118 878,117 900,116 922,116 945,115 968,115 990,114 1012,114 1035,113 1058,113 1080,113 1102,112 1125,112 1148,112 1170,112\" fill=\"none\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/polyline\u003e\n\u003cpolyline points=\"90,349 112,335 135,322 158,308 180,295 202,281 225,268 248,255 270,243 292,231 315,219 338,207 360,197 382,186 405,177 428,168 450,160 472,152 495,146 518,140 540,135 562,130 585,127 608,124 630,121 652,119 675,117 698,116 720,114 742,113 765,113 788,112 810,112 832,111 855,111 878,111 900,110 922,110 945,110 968,110 990,110 1012,110 1035,110 1058,110 1080,110 1102,110 1125,110 1148,110 1170,110\" fill=\"none\" stroke=\"#c68a4a\" stroke-width=\"4.5\"\u003e\u003c\/polyline\u003e\n\u003ctext x=\"202\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e20\u003c\/text\u003e\n\u003ctext x=\"371\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e30\u003c\/text\u003e\n\u003ctext x=\"584\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e50\u003c\/text\u003e\n\u003ctext x=\"869\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e100\u003c\/text\u003e\n\u003ctext x=\"1158\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e200\u003c\/text\u003e\n\u003ctext x=\"560\" y=\"404\" font-size=\"17\" fill=\"#c68a4a\" font-family=\"sans-serif\" font-weight=\"700\"\u003eFrequency (Hz)\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"56\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e+4\u003c\/text\u003e\n\u003ctext x=\"58\" y=\"190\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-5\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"265\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-10\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"340\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-15\u003c\/text\u003e\n\u003ctext x=\"102\" y=\"36\" font-size=\"16\" fill=\"#d99058\" font-family=\"sans-serif\" font-weight=\"700\"\u003eResoNix GUS-12, per driver. Anechoic half-space, no cabin gain.\u003c\/text\u003e\n\u003cline x1=\"800\" y1=\"255\" x2=\"850\" y2=\"255\" stroke=\"#c68a4a\" stroke-width=\"4.5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"862\" y=\"261\" font-size=\"16\" fill=\"#e2e8f0\" font-family=\"sans-serif\" font-weight=\"700\"\u003e0.75 cu ft, this enclosure\u003c\/text\u003e\n\u003cline x1=\"800\" y1=\"287\" x2=\"850\" y2=\"287\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"862\" y=\"293\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e0.45 cu ft and 1.50 cu ft\u003c\/text\u003e\n\u003c\/svg\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-alert\"\u003e\u003cp\u003e\u003cstrong\u003eLook at the F3 column, not the Qtc column.\u003c\/strong\u003e Across the entire usable range, from ResoNix's minimum 0.45 up to their maximum 1.5 cubic feet, \u003cstrong\u003eF3 never leaves the 36 to 39 Hz band\u003c\/strong\u003e. Enclosure volume on this driver changes the shape of the response, not how deep it plays. That falls straight out of a 14.5 Hz Fs paired with a 0.28 Qts, which is an unusually low pair for a 12.\u003c\/p\u003e\u003c\/div\u003e\n\n\u003cdiv class=\"pow-alert\"\u003e\u003cp\u003e\u003cstrong\u003eWhy not build bigger.\u003c\/strong\u003e ResoNix notes that at their 1.5 cubic foot maximum, the GUS-12 reaches xmax at 20 Hz with only 500 watts, well under its 800 watt rating. The larger box trades away power handling for damping and gains nothing on the bottom end. At 0.75 the driver takes its full rated power.\u003c\/p\u003e\u003c\/div\u003e\n\n\u003cp\u003eRun your own numbers with the \u003ca href=\"\/pages\/sealed-box-calculator\"\u003eSealed Box Calculator\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003cp\u003eFull dimensions, cutout, mounting depth, and hardware details are listed under the \u003cstrong\u003eEnclosures\u003c\/strong\u003e tab.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-cta\"\u003e\n\u003ch3\u003eCut for the GUS-12. Built in Tennessee.\u003c\/h3\u003e\n\u003cp\u003eEnclosure only. The ResoNix GUS-12 drivers are purchased separately from ResoNix Sound Solutions. Built to order in Tullahoma, Tennessee on our own CNC equipment. Questions on fitment or amplifier matching, call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Plush Black","offer_id":44493052379225,"sku":"PO 12D-S W GUS","price":419.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO12D-SGUSFront.jpg?v=1787515047"},{"product_id":"resonix-gus-12-single-subwoofer-box","title":"ResoNix GUS-12 Box: Sealed 12\" Shallow Wedge Enclosure","description":"\u003cdiv class=\"pow-wrap\"\u003e\n\u003cstyle\u003e\n.pow-wrap{font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;line-height:1.7;color:#cbd5e1 !important;}\n.pow-wrap p{color:#cbd5e1 !important;margin:0 0 14px 0;}\n.pow-wrap strong{color:#d99058 !important;}\n.pow-wrap a{color:#c68a4a !important;font-weight:700;text-decoration:underline;}\n.pow-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%) !important;border-radius:8px;padding:32px 28px;margin-bottom:28px;}\n.pow-eyebrow{display:inline-block;color:#d99058 !important;font-size:0.72em;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;margin-bottom:10px;}\n.pow-hero h2{color:#ffffff !important;font-size:1.55em;font-weight:700;margin:0 0 12px 0;line-height:1.3;}\n.pow-hero p{color:#e2e8f0 !important;font-size:1.02em;margin:0;}\n.pow-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}\n.pow-badge{display:inline-block;background:rgba(184,115,51,0.18) !important;border:1px solid #b87333 !important;color:#eab784 !important;font-size:0.75em;font-weight:600;letter-spacing:0.04em;padding:5px 12px;border-radius:4px;}\n.pow-section{margin:30px 0;}\n.pow-section-alt{background:#111c30 !important;border:1px solid #3a2818 !important;border-radius:8px;padding:26px 24px;margin:30px 0;}\n.pow-wrap h3{color:#c68a4a !important;font-size:1.22em;font-weight:700;margin:0 0 14px 0;line-height:1.35;}\n.pow-wrap h4{color:#c68a4a !important;font-size:1.02em;font-weight:700;margin:0 0 10px 0;}\n.pow-highlight{background:#0f172a !important;border-left:4px solid #b87333 !important;padding:20px 22px;margin:28px 0;border-radius:0 6px 6px 0;}\n.pow-highlight h3{color:#c68a4a !important;margin:0 0 10px 0;font-size:1.1em;}\n.pow-highlight h3+h3{margin-top:18px;}\n.pow-highlight p{margin-bottom:10px;font-size:0.97em;color:#cbd5e1 !important;}\n.pow-highlight p:last-child{margin-bottom:0;}\n.pow-alert{background:#2f1c0d !important;border:1px solid #b87333 !important;border-radius:6px;padding:14px 18px;margin:22px 0;font-size:0.93em;}\n.pow-alert p{color:#eab784 !important;margin:0;}\n.pow-alert strong{color:#d99058 !important;}\n.pow-warn{background:#2b1a0b !important;border:2px solid #f59e0b !important;border-radius:8px;padding:20px 22px;margin:26px 0;}\n.pow-warn-label{display:inline-block;background:#f59e0b !important;color:#2b1a0b !important;font-size:0.68em;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;padding:4px 11px;border-radius:3px;margin-bottom:12px;}\n.pow-warn h3{color:#fbbf24 !important;margin:0 0 10px 0;}\n.pow-warn p{color:#fde68a !important;margin:0 0 10px 0;}\n.pow-warn p:last-child{margin-bottom:0;}\n.pow-warn strong{color:#fbbf24 !important;}\n.pow-card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:24px 0;}\n@media(max-width:600px){.pow-card-grid{grid-template-columns:1fr;}}\n.pow-card{background:#1a2740 !important;border:1px solid #4a3520 !important;border-top:3px solid #b87333 !important;border-radius:6px;padding:22px;}\n.pow-card-label{display:inline-block;background:#b87333 !important;color:#2a1608 !important;font-size:0.68em;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;padding:3px 10px;border-radius:3px;margin-bottom:10px;}\n.pow-card h4{margin:0 0 10px 0;}\n.pow-card-divider{height:2px;background:#b87333 !important;width:32px;margin-bottom:12px;border-radius:2px;}\n.pow-card p{font-size:0.93em;color:#b6c4d6 !important;margin:0;line-height:1.65;}\n.pow-card p strong{color:#d99058 !important;}\n.pow-table{width:100% !important;border-collapse:collapse;margin:22px 0;font-size:0.94em;}\n.pow-table th{background:#8b5a2b !important;color:#ffffff !important;text-align:left;padding:11px 14px;font-weight:700;font-size:0.9em;letter-spacing:0.04em;text-transform:uppercase;border-bottom:1px solid #3a2818 !important;}\n.pow-table td{padding:10px 14px;border-bottom:1px solid #3a2818 !important;color:#dbe4ef !important;background:#111c30 !important;}\n.pow-table tr:nth-child(even) td{background:#1a2740 !important;}\n.pow-table td:first-child{font-weight:600;color:#d99058 !important;width:30%;}\n.pow-chartbox{display:block !important;width:100% !important;max-width:100% !important;margin:22px 0 !important;}\n.pow-chart{display:block !important;width:100% !important;max-width:100% !important;height:auto !important;}\n.pow-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%) !important;border-radius:8px;padding:28px 26px;margin:32px 0 0 0;text-align:center;}\n.pow-cta h3{color:#ffffff !important;margin:0 0 10px 0;}\n.pow-cta p{color:#e2e8f0 !important;margin:0;font-size:0.97em;}\n\u003c\/style\u003e\n\n\u003cdiv class=\"pow-hero\"\u003e\n\u003cspan class=\"pow-eyebrow\"\u003eProline X | Performance Optimized Wedge\u003c\/span\u003e\n\u003ch2\u003eOne GUS-12, Sitting in Exactly 0.75 Cubic Feet.\u003c\/h2\u003e\n\u003cp\u003eA single chamber sealed wedge cut for the ResoNix GUS-12 and nothing else. It sits in the trunk with the tall face against the back of the rear seat and the driver firing rearward, using the length of the trunk instead of standing in the middle of it.\u003c\/p\u003e\n\u003cdiv class=\"pow-badges\"\u003e\n\u003cspan class=\"pow-badge\"\u003e0.75 CU FT NET\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eSINGLE CHAMBER\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eQTC 0.719\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eTRUNK MOUNT, REAR FIRING\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003e800W RMS\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eBUILT IN TULLAHOMA, TN\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-warn\"\u003e\n\u003cspan class=\"pow-warn-label\"\u003eRead This First\u003c\/span\u003e\n\u003ch3\u003eThis Is Not a Down Fire Enclosure\u003c\/h3\u003e\n\u003cp\u003eThe wedge works in one orientation: tall face flat against the rear seat back, taper running out toward the trunk lid, driver firing rearward. There are no feet, no baffle clearance gap, and \u003cstrong\u003eno down fire option on this cabinet\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIt is cut direct fit to the GUS-12 at a 283.6mm opening. \u003cstrong\u003eA standard 12 will not fit\u003c\/strong\u003e, and would not see the correct airspace if it did.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eBuilt Backward From One Published Number\u003c\/h3\u003e\n\u003cp\u003eResoNix specifies \u003cstrong\u003e0.75 cubic feet of net acoustic airspace\u003c\/strong\u003e for the GUS-12, the volume that produces a maximally flat sealed alignment. This cabinet is built at \u003cstrong\u003e0.80 cubic feet gross\u003c\/strong\u003e. Subtract the driver's 0.046 cubic feet of displacement and the GUS-12 sees 0.754 cubic feet.\u003c\/p\u003e\n\u003cp\u003eThat is not close to the target. That is the target.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section-alt\"\u003e\n\u003ch3\u003eWhy a Wedge\u003c\/h3\u003e\n\u003cdiv class=\"pow-card-grid\"\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003ePackaging\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eIt Uses the Trunk Lengthwise\u003c\/h4\u003e\n\u003cp\u003eTall face against the rear seat, tapering down as it runs out toward the lid. The cabinet claims the deep space at the base of the trunk and gives height back where the lid closes, so \u003cstrong\u003eyou keep usable trunk\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eLoading\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eThe Trunk Is Part of the System\u003c\/h4\u003e\n\u003cp\u003eFiring rearward means output loads into the trunk volume and reaches the cabin through the rear seat and deck. That path is what gives a trunk mounted subwoofer its weight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eLocalization\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eHarder to Point At\u003c\/h4\u003e\n\u003cp\u003eBecause the driver does not radiate straight into the cabin, the low end arrives through the structure rather than as a beam from behind your head, which makes \u003cstrong\u003ekeeping the stage forward\u003c\/strong\u003e easier.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eFootprint\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003e22.5 Inches Across\u003c\/h4\u003e\n\u003cp\u003eA single 12 in a wedge is a small cabinet. It occupies just over a foot and a half of trunk width and \u003cstrong\u003e11 inches of depth at the floor\u003c\/strong\u003e, tapering to 5.5 at the top.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section-alt\"\u003e\n\u003ch3\u003eHow It Is Built\u003c\/h3\u003e\n\u003cdiv class=\"pow-highlight\"\u003e\n\u003ch3\u003eCabinet\u003c\/h3\u003e\n\u003cp\u003eCut on our ShopSabre CNC from Langboard Elite MDF and assembled with \u003cstrong\u003edado and V groove joinery\u003c\/strong\u003e over 0.75 inch panels, with a \u003cstrong\u003edouble baffle at 1.5 inches\u003c\/strong\u003e. Angled panel meets are cut as V joints so the faces close on a machined bevel rather than a filled seam.\u003c\/p\u003e\n\u003ch3\u003eMounting Pattern\u003c\/h3\u003e\n\u003cp\u003eThe GUS-12 is in the Proline X CAD library, drawn from the manufacturer's own STEP file. The 283.6mm cutout and the nutsert locations are machined in the same operation from the same origin, so the holes cannot drift relative to each other. \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e with stainless machine screws supplied, matched to the driver's 304mm bolt circle and its eight 6.5mm holes.\u003c\/p\u003e\n\u003ch3\u003eWiring and Damping\u003c\/h3\u003e\n\u003cp\u003eOne Proline X ABS and carbon fiber composite terminal cup, side mounted, pre wired with 12 gauge OFC. Polyfill is installed as a light wall lining to control internal reflections without altering the acoustic volume, because adding fill density would shift the alignment off the 0.75 target.\u003c\/p\u003e\n\u003ch3\u003eFinish\u003c\/h3\u003e\n\u003cp\u003ePlush black carpet with a black acrylic badge on the woofer face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eExternal dimensions are \u003cstrong\u003e22.5 inches wide by 15 inches tall\u003c\/strong\u003e, with depth running \u003cstrong\u003e11 inches at the base tapering to 5.5 inches at the top\u003c\/strong\u003e. Maximum driver mounting depth is 4.75 inches, which accommodates the GUS-12's 115.3mm requirement. The driver flush mounts into the machined recess and installs with the supplied stainless screws. No spacers, no modification.\u003c\/p\u003e\n\u003cdiv class=\"pow-alert\"\u003e\u003cp\u003e\u003cstrong\u003eFront clearance.\u003c\/strong\u003e ResoNix specifies 28mm minimum clearance in front of the GUS-12. At more than 20mm of Klippel verified one way excursion that is the operational envelope of the suspension, not optional headroom. Since the driver fires rearward into the trunk, anything you load behind the box has to stay outside that envelope.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eEnclosure Performance\u003c\/h3\u003e\n\u003cp\u003eCalculated from ResoNix's published Klippel measured parameters for the GUS-12 D4 coil: \u003cstrong\u003eFs 14.54 Hz, Qts 0.28, Vas 119.35 litres\u003c\/strong\u003e. Nothing here is estimated.\u003c\/p\u003e\n\u003ctable class=\"pow-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003efc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003cth\u003eCharacter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.45 cu ft, ResoNix minimum\u003c\/td\u003e\n\u003ctd\u003e0.901\u003c\/td\u003e\n\u003ctd\u003e46.8 Hz\u003c\/td\u003e\n\u003ctd\u003e38.8 Hz\u003c\/td\u003e\n\u003ctd\u003ePunchier, more upper bass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e0.75 cu ft, this enclosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e0.719\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e37.3 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e36.7 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003eMaximally flat. The target.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.50 cu ft, ResoNix maximum\u003c\/td\u003e\n\u003ctd\u003e0.547\u003c\/td\u003e\n\u003ctd\u003e28.4 Hz\u003c\/td\u003e\n\u003ctd\u003e38.9 Hz\u003c\/td\u003e\n\u003ctd\u003eBelow Butterworth, xmax limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cdiv class=\"pow-chartbox\"\u003e\n\u003csvg class=\"pow-chart\" width=\"1260\" height=\"420\" viewbox=\"0 0 1260 420\" preserveaspectratio=\"xMidYMid meet\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"display:block !important;width:100% !important;max-width:100% !important;height:auto !important;\"\u003e\n\u003crect x=\"0\" y=\"0\" width=\"1260\" height=\"420\" fill=\"#0b1424\"\u003e\u003c\/rect\u003e\n\u003crect x=\"90\" y=\"50\" width=\"1080\" height=\"300\" fill=\"#111c30\" stroke=\"#4a3520\" stroke-width=\"1\"\u003e\u003c\/rect\u003e\n\u003cline x1=\"210\" y1=\"50\" x2=\"210\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"379\" y1=\"50\" x2=\"379\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"592\" y1=\"50\" x2=\"592\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"881\" y1=\"50\" x2=\"881\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"90\" y1=\"110\" x2=\"1170\" y2=\"110\" stroke=\"#334155\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"90\" y1=\"155\" x2=\"1170\" y2=\"155\" stroke=\"#64748b\" stroke-width=\"1\" stroke-dasharray=\"6,5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"1178\" y=\"160\" font-size=\"15\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-3 dB\u003c\/text\u003e\n\u003ctext x=\"1178\" y=\"115\" font-size=\"15\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e0 dB\u003c\/text\u003e\n\u003cpolyline points=\"90,350 112,350 135,350 158,350 180,344 202,329 225,314 248,300 270,285 292,271 315,256 338,242 360,227 382,213 405,200 428,187 450,174 472,162 495,151 518,141 540,132 562,124 585,118 608,112 630,108 652,105 675,103 698,101 720,100 742,100 765,100 788,100 810,100 832,100 855,101 878,102 900,102 922,103 945,103 968,104 990,104 1012,105 1035,105 1058,106 1080,106 1102,106 1125,107 1148,107 1170,107\" fill=\"none\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/polyline\u003e\n\u003cpolyline points=\"90,301 112,289 135,278 158,267 180,257 202,247 225,237 248,228 270,219 292,210 315,202 338,195 360,187 382,181 405,174 428,169 450,163 472,158 495,154 518,149 540,146 562,142 585,139 608,136 630,133 652,131 675,129 698,127 720,125 742,124 765,122 788,121 810,120 832,119 855,118 878,117 900,116 922,116 945,115 968,115 990,114 1012,114 1035,113 1058,113 1080,113 1102,112 1125,112 1148,112 1170,112\" fill=\"none\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/polyline\u003e\n\u003cpolyline points=\"90,349 112,335 135,322 158,308 180,295 202,281 225,268 248,255 270,243 292,231 315,219 338,207 360,197 382,186 405,177 428,168 450,160 472,152 495,146 518,140 540,135 562,130 585,127 608,124 630,121 652,119 675,117 698,116 720,114 742,113 765,113 788,112 810,112 832,111 855,111 878,111 900,110 922,110 945,110 968,110 990,110 1012,110 1035,110 1058,110 1080,110 1102,110 1125,110 1148,110 1170,110\" fill=\"none\" stroke=\"#c68a4a\" stroke-width=\"4.5\"\u003e\u003c\/polyline\u003e\n\u003ctext x=\"202\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e20\u003c\/text\u003e\n\u003ctext x=\"371\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e30\u003c\/text\u003e\n\u003ctext x=\"584\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e50\u003c\/text\u003e\n\u003ctext x=\"869\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e100\u003c\/text\u003e\n\u003ctext x=\"1158\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e200\u003c\/text\u003e\n\u003ctext x=\"560\" y=\"404\" font-size=\"17\" fill=\"#c68a4a\" font-family=\"sans-serif\" font-weight=\"700\"\u003eFrequency (Hz)\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"56\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e+4\u003c\/text\u003e\n\u003ctext x=\"58\" y=\"190\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-5\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"265\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-10\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"340\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-15\u003c\/text\u003e\n\u003ctext x=\"102\" y=\"36\" font-size=\"16\" fill=\"#d99058\" font-family=\"sans-serif\" font-weight=\"700\"\u003eResoNix GUS-12. Anechoic half-space, no cabin gain.\u003c\/text\u003e\n\u003cline x1=\"800\" y1=\"255\" x2=\"850\" y2=\"255\" stroke=\"#c68a4a\" stroke-width=\"4.5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"862\" y=\"261\" font-size=\"16\" fill=\"#e2e8f0\" font-family=\"sans-serif\" font-weight=\"700\"\u003e0.75 cu ft, this enclosure\u003c\/text\u003e\n\u003cline x1=\"800\" y1=\"287\" x2=\"850\" y2=\"287\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"862\" y=\"293\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e0.45 cu ft and 1.50 cu ft\u003c\/text\u003e\n\u003c\/svg\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-alert\"\u003e\u003cp\u003e\u003cstrong\u003eLook at the F3 column, not the Qtc column.\u003c\/strong\u003e Across the entire usable range, from ResoNix's minimum 0.45 up to their maximum 1.5 cubic feet, \u003cstrong\u003eF3 never leaves the 36 to 39 Hz band\u003c\/strong\u003e. Enclosure volume on this driver changes the shape of the response, not how deep it plays. That falls straight out of a 14.5 Hz Fs paired with a 0.28 Qts, which is an unusually low pair for a 12.\u003c\/p\u003e\u003c\/div\u003e\n\n\u003cdiv class=\"pow-alert\"\u003e\u003cp\u003e\u003cstrong\u003eWhy not build bigger.\u003c\/strong\u003e ResoNix notes that at their 1.5 cubic foot maximum, the GUS-12 reaches xmax at 20 Hz with only 500 watts, well under its 800 watt rating. The larger box trades away power handling for damping and gains nothing on the bottom end. At 0.75 the driver takes its full rated power.\u003c\/p\u003e\u003c\/div\u003e\n\n\u003cp\u003eRun your own numbers with the \u003ca href=\"\/pages\/sealed-box-calculator\"\u003eSealed Box Calculator\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003cp\u003eFull dimensions, cutout, mounting depth, and hardware details are listed under the \u003cstrong\u003eEnclosures\u003c\/strong\u003e tab.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-cta\"\u003e\n\u003ch3\u003eCut for the GUS-12. Built in Tennessee.\u003c\/h3\u003e\n\u003cp\u003eEnclosure only. The ResoNix GUS-12 driver is purchased separately from ResoNix Sound Solutions. Built to order in Tullahoma, Tennessee on our own CNC equipment. Questions on fitment or amplifier matching, call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":44493094191193,"sku":"PO 12-S W GUS","price":319.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO12-SWGUSFront.png?v=1786655075"},{"product_id":"resonix-gus-10-dual-subwoofer-box","title":"ResoNix GUS-10 Dual Box: Sealed 10\" Shallow Wedge Enclosure","description":"\u003cdiv class=\"pow-wrap\"\u003e\n\u003cstyle\u003e\n.pow-wrap{font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;line-height:1.7;color:#cbd5e1 !important;}\n.pow-wrap p{color:#cbd5e1 !important;margin:0 0 14px 0;}\n.pow-wrap strong{color:#d99058 !important;}\n.pow-wrap a{color:#c68a4a !important;font-weight:700;text-decoration:underline;}\n.pow-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%) 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h4{color:#c68a4a !important;font-size:1.02em;font-weight:700;margin:0 0 10px 0;}\n.pow-highlight{background:#0f172a !important;border-left:4px solid #b87333 !important;padding:20px 22px;margin:28px 0;border-radius:0 6px 6px 0;}\n.pow-highlight h3{color:#c68a4a !important;margin:0 0 10px 0;font-size:1.1em;}\n.pow-highlight h3+h3{margin-top:18px;}\n.pow-highlight p{margin-bottom:10px;font-size:0.97em;color:#cbd5e1 !important;}\n.pow-highlight p:last-child{margin-bottom:0;}\n.pow-alert{background:#2f1c0d !important;border:1px solid #b87333 !important;border-radius:6px;padding:14px 18px;margin:22px 0;font-size:0.93em;}\n.pow-alert p{color:#eab784 !important;margin:0;}\n.pow-alert strong{color:#d99058 !important;}\n.pow-warn{background:#2b1a0b !important;border:2px solid #f59e0b !important;border-radius:8px;padding:20px 22px;margin:26px 0;}\n.pow-warn-label{display:inline-block;background:#f59e0b !important;color:#2b1a0b !important;font-size:0.68em;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;padding:4px 11px;border-radius:3px;margin-bottom:12px;}\n.pow-warn h3{color:#fbbf24 !important;margin:0 0 10px 0;}\n.pow-warn p{color:#fde68a !important;margin:0 0 10px 0;}\n.pow-warn p:last-child{margin-bottom:0;}\n.pow-warn strong{color:#fbbf24 !important;}\n.pow-card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:24px 0;}\n@media(max-width:600px){.pow-card-grid{grid-template-columns:1fr;}}\n.pow-card{background:#1a2740 !important;border:1px solid #4a3520 !important;border-top:3px solid #b87333 !important;border-radius:6px;padding:22px;}\n.pow-card-label{display:inline-block;background:#b87333 !important;color:#2a1608 !important;font-size:0.68em;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;padding:3px 10px;border-radius:3px;margin-bottom:10px;}\n.pow-card h4{margin:0 0 10px 0;}\n.pow-card-divider{height:2px;background:#b87333 !important;width:32px;margin-bottom:12px;border-radius:2px;}\n.pow-card p{font-size:0.93em;color:#b6c4d6 !important;margin:0;line-height:1.65;}\n.pow-card p strong{color:#d99058 !important;}\n.pow-table{width:100% !important;border-collapse:collapse;margin:22px 0;font-size:0.94em;}\n.pow-table th{background:#8b5a2b !important;color:#ffffff !important;text-align:left;padding:11px 14px;font-weight:700;font-size:0.9em;letter-spacing:0.04em;text-transform:uppercase;border-bottom:1px solid #3a2818 !important;}\n.pow-table td{padding:10px 14px;border-bottom:1px solid #3a2818 !important;color:#dbe4ef !important;background:#111c30 !important;}\n.pow-table tr:nth-child(even) td{background:#1a2740 !important;}\n.pow-table td:first-child{font-weight:600;color:#d99058 !important;width:30%;}\n.pow-chartbox{display:block !important;width:100% !important;max-width:100% !important;margin:22px 0 !important;}\n.pow-chart{display:block !important;width:100% !important;max-width:100% !important;height:auto !important;}\n.pow-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%) !important;border-radius:8px;padding:28px 26px;margin:32px 0 0 0;text-align:center;}\n.pow-cta h3{color:#ffffff !important;margin:0 0 10px 0;}\n.pow-cta p{color:#e2e8f0 !important;margin:0;font-size:0.97em;}\n\u003c\/style\u003e\n\n\u003cdiv class=\"pow-hero\"\u003e\n\u003cspan class=\"pow-eyebrow\"\u003eProline X | Performance Optimized Wedge\u003c\/span\u003e\n\u003ch2\u003eTwo GUS-10s, Each in Its Own 0.60 Cubic Feet.\u003c\/h2\u003e\n\u003cp\u003eA dual chamber sealed wedge cut for the ResoNix GUS-10 and nothing else. It sits in the trunk with the tall face against the back of the rear seat and the drivers firing rearward, using the length of the trunk instead of standing in the middle of it.\u003c\/p\u003e\n\u003cdiv class=\"pow-badges\"\u003e\n\u003cspan class=\"pow-badge\"\u003e0.60 CU FT NET PER DRIVER\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eDUAL CHAMBER\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eQTC 0.715\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eTRUNK MOUNT, REAR FIRING\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003e1000W RMS COMBINED\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eBUILT IN TULLAHOMA, TN\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-warn\"\u003e\n\u003cspan class=\"pow-warn-label\"\u003eRead This First\u003c\/span\u003e\n\u003ch3\u003eThis Is Not a Down Fire Enclosure\u003c\/h3\u003e\n\u003cp\u003eThe wedge works in one orientation: tall face flat against the rear seat back, taper running out toward the trunk lid, drivers firing rearward. There are no feet, no baffle clearance gap, and \u003cstrong\u003eno down fire option on this cabinet\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIt is cut direct fit to the GUS-10 at a 235.3mm opening. \u003cstrong\u003eA standard 10 will not fit\u003c\/strong\u003e, and would not see the correct airspace if it did.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eBuilt Backward From One Published Number\u003c\/h3\u003e\n\u003cp\u003eResoNix specifies \u003cstrong\u003e0.60 cubic feet of net acoustic airspace\u003c\/strong\u003e per GUS-10, the volume that produces a maximally flat sealed alignment. Each chamber here is built at \u003cstrong\u003e0.63 cubic feet gross\u003c\/strong\u003e. Subtract the driver's 0.031 cubic feet of displacement and each GUS-10 sees 0.599 cubic feet.\u003c\/p\u003e\n\u003cp\u003eThat is not close to the target. That is the target. Total gross volume across both chambers is 1.26 cubic feet, 1.198 net acoustic.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section-alt\"\u003e\n\u003ch3\u003eWhy a Wedge\u003c\/h3\u003e\n\u003cdiv class=\"pow-card-grid\"\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003ePackaging\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eIt Uses the Trunk Lengthwise\u003c\/h4\u003e\n\u003cp\u003eTall face against the rear seat, tapering down as it runs out toward the lid. The cabinet claims the deep space at the base of the trunk and gives height back where the lid closes, so \u003cstrong\u003eyou keep usable trunk\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eLoading\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eThe Trunk Is Part of the System\u003c\/h4\u003e\n\u003cp\u003eFiring rearward means output loads into the trunk volume and reaches the cabin through the rear seat and deck. That path is what gives a trunk mounted subwoofer its weight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eLocalization\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eHarder to Point At\u003c\/h4\u003e\n\u003cp\u003eBecause the drivers do not radiate straight into the cabin, the low end arrives through the structure rather than as a beam from behind your head, which makes \u003cstrong\u003ekeeping the stage forward\u003c\/strong\u003e easier.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eSeparation\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eTwo Sealed Chambers\u003c\/h4\u003e\n\u003cp\u003eA full divider gives each GUS-10 its own airspace. \u003cstrong\u003eNeither cone loads against the other\u003c\/strong\u003e, so the pair stays predictable when both are working hard.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eDual Chamber, Not Common Chamber\u003c\/h3\u003e\n\u003cp\u003eEach GUS-10 loads into its own sealed 0.63 cubic foot chamber, isolated by a full divider. With separate chambers, one driver's cone motion does not modulate the air load the other driver sees, so the two stay acoustically independent under hard excursion.\u003c\/p\u003e\n\u003cp\u003eThe GUS-10 is rated at \u003cstrong\u003e500 watts RMS each in its suggested enclosure\u003c\/strong\u003e, so this cabinet is built around a 1000 watt pair. A single Proline X terminal cup is side mounted and pre wired with 12 gauge OFC. This is a raw enclosure, so how you wire the drivers from that cup is your call.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section-alt\"\u003e\n\u003ch3\u003eHow It Is Built\u003c\/h3\u003e\n\u003cdiv class=\"pow-highlight\"\u003e\n\u003ch3\u003eCabinet\u003c\/h3\u003e\n\u003cp\u003eCut on our ShopSabre CNC from Langboard Elite MDF and assembled with \u003cstrong\u003edado and V groove joinery\u003c\/strong\u003e over 0.75 inch panels, with a \u003cstrong\u003edouble baffle at 1.5 inches\u003c\/strong\u003e and a full chamber divider. Angled panel meets are cut as V joints so the faces close on a machined bevel rather than a filled seam.\u003c\/p\u003e\n\u003ch3\u003eMounting Pattern\u003c\/h3\u003e\n\u003cp\u003eThe GUS-10 is in the Proline X CAD library, drawn from the manufacturer's own STEP file. The 235.3mm cutout and the nutsert locations are machined in the same operation from the same origin, so the holes cannot drift relative to each other. \u003cstrong\u003e8\/32 threaded inserts installed at both driver positions\u003c\/strong\u003e with stainless machine screws supplied, matched to the driver's 256mm bolt circle and its eight 6.3mm holes.\u003c\/p\u003e\n\u003ch3\u003eWiring and Damping\u003c\/h3\u003e\n\u003cp\u003eOne Proline X ABS and carbon fiber composite terminal cup, side mounted, pre wired with 12 gauge OFC to both driver positions. Polyfill is installed as a light wall lining to control internal reflections without altering the acoustic volume, because adding fill density would shift the alignment off the 0.60 target.\u003c\/p\u003e\n\u003ch3\u003eFinish\u003c\/h3\u003e\n\u003cp\u003ePlush black carpet with a black acrylic badge on the woofer face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eExternal dimensions are \u003cstrong\u003e30.25 inches wide by 13.5 inches tall\u003c\/strong\u003e, with depth running \u003cstrong\u003e12.25 inches at the base tapering to 7.35 inches at the top\u003c\/strong\u003e. Maximum driver mounting depth is 6.5 inches, comfortable for the GUS-10's 101.5mm requirement.\u003c\/p\u003e\n\u003cdiv class=\"pow-alert\"\u003e\u003cp\u003e\u003cstrong\u003eFront clearance.\u003c\/strong\u003e ResoNix specifies 23mm minimum clearance in front of each GUS-10. At 18mm of Klippel verified one way excursion that is the operational envelope of the suspension, not optional headroom. Since the drivers fire rearward into the trunk, anything you load behind the box has to stay outside that envelope. Verify both positions independently.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eEnclosure Performance\u003c\/h3\u003e\n\u003cp\u003eCalculated from ResoNix's published Klippel measured parameters for the GUS-10 D4 coil: \u003cstrong\u003eFs 16.91 Hz, Qts 0.35, Vas 53.78 litres\u003c\/strong\u003e. Nothing here is estimated.\u003c\/p\u003e\n\u003ctable class=\"pow-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Volume Per Driver\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003efc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003cth\u003eCharacter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.35 cu ft, ResoNix minimum\u003c\/td\u003e\n\u003ctd\u003e0.887\u003c\/td\u003e\n\u003ctd\u003e42.9 Hz\u003c\/td\u003e\n\u003ctd\u003e35.9 Hz\u003c\/td\u003e\n\u003ctd\u003ePunchier, more upper bass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e0.60 cu ft, this enclosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e0.715\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e34.5 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e34.2 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003eMaximally flat. The target.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.90 cu ft, ResoNix maximum\u003c\/td\u003e\n\u003ctd\u003e0.617\u003c\/td\u003e\n\u003ctd\u003e29.8 Hz\u003c\/td\u003e\n\u003ctd\u003e34.8 Hz\u003c\/td\u003e\n\u003ctd\u003eBelow Butterworth, F3 rises slightly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cdiv class=\"pow-chartbox\"\u003e\n\u003csvg class=\"pow-chart\" width=\"1260\" height=\"420\" viewbox=\"0 0 1260 420\" preserveaspectratio=\"xMidYMid meet\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"display:block !important;width:100% !important;max-width:100% !important;height:auto !important;\"\u003e\n\u003crect x=\"0\" y=\"0\" width=\"1260\" height=\"420\" fill=\"#0b1424\"\u003e\u003c\/rect\u003e\n\u003crect x=\"90\" y=\"50\" width=\"1080\" height=\"300\" fill=\"#111c30\" stroke=\"#4a3520\" stroke-width=\"1\"\u003e\u003c\/rect\u003e\n\u003cline x1=\"210\" y1=\"50\" x2=\"210\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"379\" y1=\"50\" x2=\"379\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"592\" y1=\"50\" x2=\"592\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"881\" y1=\"50\" x2=\"881\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"90\" y1=\"110\" x2=\"1170\" y2=\"110\" stroke=\"#334155\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"90\" y1=\"155\" x2=\"1170\" y2=\"155\" stroke=\"#64748b\" stroke-width=\"1\" stroke-dasharray=\"6,5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"1178\" y=\"160\" font-size=\"15\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-3 dB\u003c\/text\u003e\n\u003ctext x=\"1178\" y=\"115\" font-size=\"15\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e0 dB\u003c\/text\u003e\n\u003cpolyline points=\"90,350 112,350 135,350 158,335 180,320 202,306 225,291 248,277 270,262 292,248 315,234 338,220 360,206 382,193 405,180 428,168 450,157 472,146 495,137 518,129 540,122 562,116 585,111 608,108 630,105 652,103 675,102 698,101 720,101 742,101 765,101 788,101 810,102 832,102 855,103 878,103 900,104 922,104 945,105 968,105 990,105 1012,106 1035,106 1058,107 1080,107 1102,107 1125,107 1148,108 1170,108\" fill=\"none\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/polyline\u003e\n\u003cpolyline points=\"90,302 112,290 135,278 158,266 180,255 202,243 225,233 248,222 270,212 292,203 315,194 338,186 360,178 382,171 405,164 428,158 450,153 472,148 495,144 518,140 540,136 562,133 585,130 608,128 630,126 652,124 675,122 698,121 720,120 742,118 765,117 788,117 810,116 832,115 855,115 878,114 900,114 922,113 945,113 968,113 990,112 1012,112 1035,112 1058,112 1080,111 1102,111 1125,111 1148,111 1170,111\" fill=\"none\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/polyline\u003e\n\u003cpolyline points=\"90,329 112,315 135,302 158,289 180,275 202,263 225,250 248,238 270,226 292,214 315,203 338,192 360,183 382,173 405,165 428,157 450,150 472,144 495,138 518,134 540,130 562,126 585,123 608,121 630,119 652,117 675,116 698,114 720,114 742,113 765,112 788,112 810,111 832,111 855,111 878,111 900,110 922,110 945,110 968,110 990,110 1012,110 1035,110 1058,110 1080,110 1102,110 1125,110 1148,110 1170,110\" fill=\"none\" stroke=\"#c68a4a\" stroke-width=\"4.5\"\u003e\u003c\/polyline\u003e\n\u003ctext x=\"202\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e20\u003c\/text\u003e\n\u003ctext x=\"371\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e30\u003c\/text\u003e\n\u003ctext x=\"584\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e50\u003c\/text\u003e\n\u003ctext x=\"869\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e100\u003c\/text\u003e\n\u003ctext x=\"1158\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e200\u003c\/text\u003e\n\u003ctext x=\"560\" y=\"404\" font-size=\"17\" fill=\"#c68a4a\" font-family=\"sans-serif\" font-weight=\"700\"\u003eFrequency (Hz)\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"56\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e+4\u003c\/text\u003e\n\u003ctext x=\"58\" y=\"190\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-5\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"265\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-10\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"340\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-15\u003c\/text\u003e\n\u003ctext x=\"102\" y=\"36\" font-size=\"16\" fill=\"#d99058\" font-family=\"sans-serif\" font-weight=\"700\"\u003eResoNix GUS-10, per driver. Anechoic half-space, no cabin gain.\u003c\/text\u003e\n\u003cline x1=\"800\" y1=\"255\" x2=\"850\" y2=\"255\" stroke=\"#c68a4a\" stroke-width=\"4.5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"862\" y=\"261\" font-size=\"16\" fill=\"#e2e8f0\" font-family=\"sans-serif\" font-weight=\"700\"\u003e0.60 cu ft, this enclosure\u003c\/text\u003e\n\u003cline x1=\"800\" y1=\"287\" x2=\"850\" y2=\"287\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"862\" y=\"293\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e0.35 cu ft and 0.90 cu ft\u003c\/text\u003e\n\u003c\/svg\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-alert\"\u003e\u003cp\u003e\u003cstrong\u003eLook at the F3 column, not the Qtc column.\u003c\/strong\u003e Across the entire usable range, from ResoNix's minimum 0.35 up to their maximum 0.90 cubic feet, \u003cstrong\u003eF3 moves by less than two hertz\u003c\/strong\u003e, and the largest box is actually slightly higher than this one. Enclosure volume on this driver changes the shape of the response, not how deep it plays. That falls straight out of a 16.9 Hz Fs paired with a 0.35 Qts.\u003c\/p\u003e\u003c\/div\u003e\n\n\u003cdiv class=\"pow-alert\"\u003e\u003cp\u003e\u003cstrong\u003eWhy not build bigger.\u003c\/strong\u003e On the GUS-10 the largest recommended volume drops Qtc to 0.617 without buying a single hertz of extension. F3 at ResoNix's 0.90 maximum is 34.8 Hz against 34.2 Hz here. You would be trading a maximally flat alignment for a lower-Q one and getting nothing back.\u003c\/p\u003e\u003c\/div\u003e\n\n\u003cp\u003eRun your own numbers with the \u003ca href=\"\/pages\/sealed-box-calculator\"\u003eSealed Box Calculator\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003cp\u003eFull dimensions, cutout, mounting depth, and hardware details are listed under the \u003cstrong\u003eEnclosures\u003c\/strong\u003e tab.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-cta\"\u003e\n\u003ch3\u003eCut for the GUS-10. Built in Tennessee.\u003c\/h3\u003e\n\u003cp\u003eEnclosure only. The ResoNix GUS-10 drivers are purchased separately from ResoNix Sound Solutions. Built to order in Tullahoma, Tennessee on our own CNC equipment. Questions on fitment or amplifier matching, call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":44493101760601,"sku":"PO 10D-S W GUS","price":389.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO10D-SWGUSFront_3a56c9c0-ae5a-4336-811b-645b1bec0a0c.jpg?v=1787516039"},{"product_id":"resonix-gus-10-single-subwoofer-box","title":"ResoNix GUS-10 Box: Sealed 10\" Shallow Wedge Enclosure","description":"\u003cdiv class=\"pow-wrap\"\u003e\n\u003cstyle\u003e\n.pow-wrap{font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;line-height:1.7;color:#cbd5e1 !important;}\n.pow-wrap p{color:#cbd5e1 !important;margin:0 0 14px 0;}\n.pow-wrap strong{color:#d99058 !important;}\n.pow-wrap a{color:#c68a4a !important;font-weight:700;text-decoration:underline;}\n.pow-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%) !important;border-radius:8px;padding:32px 28px;margin-bottom:28px;}\n.pow-eyebrow{display:inline-block;color:#d99058 !important;font-size:0.72em;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;margin-bottom:10px;}\n.pow-hero h2{color:#ffffff !important;font-size:1.55em;font-weight:700;margin:0 0 12px 0;line-height:1.3;}\n.pow-hero p{color:#e2e8f0 !important;font-size:1.02em;margin:0;}\n.pow-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}\n.pow-badge{display:inline-block;background:rgba(184,115,51,0.18) !important;border:1px solid #b87333 !important;color:#eab784 !important;font-size:0.75em;font-weight:600;letter-spacing:0.04em;padding:5px 12px;border-radius:4px;}\n.pow-section{margin:30px 0;}\n.pow-section-alt{background:#111c30 !important;border:1px solid #3a2818 !important;border-radius:8px;padding:26px 24px;margin:30px 0;}\n.pow-wrap h3{color:#c68a4a !important;font-size:1.22em;font-weight:700;margin:0 0 14px 0;line-height:1.35;}\n.pow-wrap h4{color:#c68a4a !important;font-size:1.02em;font-weight:700;margin:0 0 10px 0;}\n.pow-highlight{background:#0f172a !important;border-left:4px solid #b87333 !important;padding:20px 22px;margin:28px 0;border-radius:0 6px 6px 0;}\n.pow-highlight h3{color:#c68a4a !important;margin:0 0 10px 0;font-size:1.1em;}\n.pow-highlight h3+h3{margin-top:18px;}\n.pow-highlight p{margin-bottom:10px;font-size:0.97em;color:#cbd5e1 !important;}\n.pow-highlight p:last-child{margin-bottom:0;}\n.pow-alert{background:#2f1c0d !important;border:1px solid #b87333 !important;border-radius:6px;padding:14px 18px;margin:22px 0;font-size:0.93em;}\n.pow-alert p{color:#eab784 !important;margin:0;}\n.pow-alert strong{color:#d99058 !important;}\n.pow-warn{background:#2b1a0b !important;border:2px solid #f59e0b !important;border-radius:8px;padding:20px 22px;margin:26px 0;}\n.pow-warn-label{display:inline-block;background:#f59e0b !important;color:#2b1a0b !important;font-size:0.68em;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;padding:4px 11px;border-radius:3px;margin-bottom:12px;}\n.pow-warn h3{color:#fbbf24 !important;margin:0 0 10px 0;}\n.pow-warn p{color:#fde68a !important;margin:0 0 10px 0;}\n.pow-warn p:last-child{margin-bottom:0;}\n.pow-warn strong{color:#fbbf24 !important;}\n.pow-card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:24px 0;}\n@media(max-width:600px){.pow-card-grid{grid-template-columns:1fr;}}\n.pow-card{background:#1a2740 !important;border:1px solid #4a3520 !important;border-top:3px solid #b87333 !important;border-radius:6px;padding:22px;}\n.pow-card-label{display:inline-block;background:#b87333 !important;color:#2a1608 !important;font-size:0.68em;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;padding:3px 10px;border-radius:3px;margin-bottom:10px;}\n.pow-card h4{margin:0 0 10px 0;}\n.pow-card-divider{height:2px;background:#b87333 !important;width:32px;margin-bottom:12px;border-radius:2px;}\n.pow-card p{font-size:0.93em;color:#b6c4d6 !important;margin:0;line-height:1.65;}\n.pow-card p strong{color:#d99058 !important;}\n.pow-table{width:100% !important;border-collapse:collapse;margin:22px 0;font-size:0.94em;}\n.pow-table th{background:#8b5a2b !important;color:#ffffff !important;text-align:left;padding:11px 14px;font-weight:700;font-size:0.9em;letter-spacing:0.04em;text-transform:uppercase;border-bottom:1px solid #3a2818 !important;}\n.pow-table td{padding:10px 14px;border-bottom:1px solid #3a2818 !important;color:#dbe4ef !important;background:#111c30 !important;}\n.pow-table tr:nth-child(even) td{background:#1a2740 !important;}\n.pow-table td:first-child{font-weight:600;color:#d99058 !important;width:30%;}\n.pow-chartbox{display:block !important;width:100% !important;max-width:100% !important;margin:22px 0 !important;}\n.pow-chart{display:block !important;width:100% !important;max-width:100% !important;height:auto !important;}\n.pow-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%) !important;border-radius:8px;padding:28px 26px;margin:32px 0 0 0;text-align:center;}\n.pow-cta h3{color:#ffffff !important;margin:0 0 10px 0;}\n.pow-cta p{color:#e2e8f0 !important;margin:0;font-size:0.97em;}\n\u003c\/style\u003e\n\n\u003cdiv class=\"pow-hero\"\u003e\n\u003cspan class=\"pow-eyebrow\"\u003eProline X | Performance Optimized Wedge\u003c\/span\u003e\n\u003ch2\u003eOne GUS-10, Sitting in Exactly 0.60 Cubic Feet.\u003c\/h2\u003e\n\u003cp\u003eA single chamber sealed wedge cut for the ResoNix GUS-10 and nothing else. It sits in the trunk with the tall face against the back of the rear seat and the driver firing rearward, using the length of the trunk instead of standing in the middle of it.\u003c\/p\u003e\n\u003cdiv class=\"pow-badges\"\u003e\n\u003cspan class=\"pow-badge\"\u003e0.60 CU FT NET\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eSINGLE CHAMBER\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eQTC 0.715\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eTRUNK MOUNT, REAR FIRING\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003e500W RMS\u003c\/span\u003e\n\u003cspan class=\"pow-badge\"\u003eBUILT IN TULLAHOMA, TN\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-warn\"\u003e\n\u003cspan class=\"pow-warn-label\"\u003eRead This First\u003c\/span\u003e\n\u003ch3\u003eThis Is Not a Down Fire Enclosure\u003c\/h3\u003e\n\u003cp\u003eThe wedge works in one orientation: tall face flat against the rear seat back, taper running out toward the trunk lid, driver firing rearward. There are no feet, no baffle clearance gap, and \u003cstrong\u003eno down fire option on this cabinet\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIt is cut direct fit to the GUS-10 at a 235.3mm opening. \u003cstrong\u003eA standard 10 will not fit\u003c\/strong\u003e, and would not see the correct airspace if it did.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eBuilt Backward From One Published Number\u003c\/h3\u003e\n\u003cp\u003eResoNix specifies \u003cstrong\u003e0.60 cubic feet of net acoustic airspace\u003c\/strong\u003e for the GUS-10, the volume that produces a maximally flat sealed alignment. This cabinet is built at \u003cstrong\u003e0.64 cubic feet gross\u003c\/strong\u003e. Subtract the driver's 0.031 cubic feet of displacement and the 0.009 the internal brace takes, and the GUS-10 sees 0.60 cubic feet.\u003c\/p\u003e\n\u003cp\u003eThat is not close to the target. That is the target.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section-alt\"\u003e\n\u003ch3\u003eWhy a Wedge\u003c\/h3\u003e\n\u003cdiv class=\"pow-card-grid\"\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003ePackaging\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eIt Uses the Trunk Lengthwise\u003c\/h4\u003e\n\u003cp\u003eTall face against the rear seat, tapering down as it runs out toward the lid. The cabinet claims the deep space at the base of the trunk and gives height back where the lid closes, so \u003cstrong\u003eyou keep usable trunk\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eLoading\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eThe Trunk Is Part of the System\u003c\/h4\u003e\n\u003cp\u003eFiring rearward means output loads into the trunk volume and reaches the cabin through the rear seat and deck. That path is what gives a trunk mounted subwoofer its weight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eLocalization\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eHarder to Point At\u003c\/h4\u003e\n\u003cp\u003eBecause the driver does not radiate straight into the cabin, the low end arrives through the structure rather than as a beam from behind your head, which makes \u003cstrong\u003ekeeping the stage forward\u003c\/strong\u003e easier.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pow-card\"\u003e\n\u003cspan class=\"pow-card-label\"\u003eFootprint\u003c\/span\u003e\u003cdiv class=\"pow-card-divider\"\u003e\u003c\/div\u003e\n\u003ch4\u003eThe Smallest of the Wedges\u003c\/h4\u003e\n\u003cp\u003e19.5 inches across, 13.5 tall, and \u003cstrong\u003e10.88 inches deep at the floor\u003c\/strong\u003e tapering to 5.97 at the top. If the trunk opening is narrow or the parcel shelf sits low, this is the cabinet that goes in.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section-alt\"\u003e\n\u003ch3\u003eHow It Is Built\u003c\/h3\u003e\n\u003cdiv class=\"pow-highlight\"\u003e\n\u003ch3\u003eCabinet\u003c\/h3\u003e\n\u003cp\u003eCut on our ShopSabre CNC from Langboard Elite MDF and assembled with \u003cstrong\u003edado and V groove joinery\u003c\/strong\u003e over 0.75 inch panels, with a \u003cstrong\u003edouble baffle at 1.5 inches\u003c\/strong\u003e. Angled panel meets are cut as V joints so the faces close on a machined bevel rather than a filled seam.\u003c\/p\u003e\n\u003ch3\u003eMounting Pattern\u003c\/h3\u003e\n\u003cp\u003eThe GUS-10 is in the Proline X CAD library, drawn from the manufacturer's own STEP file. The 235.3mm cutout and the nutsert locations are machined in the same operation from the same origin, so the holes cannot drift relative to each other. \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e with stainless machine screws supplied, matched to the driver's 256mm bolt circle and its eight 6.3mm holes.\u003c\/p\u003e\n\u003ch3\u003eWiring and Damping\u003c\/h3\u003e\n\u003cp\u003eOne Proline X ABS and carbon fiber composite terminal cup, side mounted, pre wired with 12 gauge OFC. Polyfill is installed as a light wall lining to control internal reflections without altering the acoustic volume, because adding fill density would shift the alignment off the 0.60 target.\u003c\/p\u003e\n\u003ch3\u003eFinish\u003c\/h3\u003e\n\u003cp\u003ePlush black carpet with a black acrylic badge on the woofer face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eExternal dimensions are \u003cstrong\u003e19.5 inches wide by 13.5 inches tall\u003c\/strong\u003e, with depth running \u003cstrong\u003e10.88 inches at the base tapering to 5.97 inches at the top\u003c\/strong\u003e. The GUS-10's 101.5mm (4.00 in) mounting depth clears the shallowest point of the cabinet with about an inch to spare.\u003c\/p\u003e\n\u003cdiv class=\"pow-alert\"\u003e\u003cp\u003e\u003cstrong\u003eFront clearance.\u003c\/strong\u003e ResoNix specifies 23mm minimum clearance in front of the GUS-10. At 18mm of Klippel verified one way excursion that is the operational envelope of the suspension, not optional headroom. Since the driver fires rearward into the trunk, anything you load behind the box has to stay outside that envelope.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003ch3\u003eEnclosure Performance\u003c\/h3\u003e\n\u003cp\u003eCalculated from ResoNix's published Klippel measured parameters for the GUS-10 D4 coil: \u003cstrong\u003eFs 16.91 Hz, Qts 0.35, Vas 53.78 litres\u003c\/strong\u003e. Nothing here is estimated.\u003c\/p\u003e\n\u003ctable class=\"pow-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003efc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003cth\u003eCharacter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.35 cu ft, ResoNix minimum\u003c\/td\u003e\n\u003ctd\u003e0.887\u003c\/td\u003e\n\u003ctd\u003e42.9 Hz\u003c\/td\u003e\n\u003ctd\u003e35.9 Hz\u003c\/td\u003e\n\u003ctd\u003ePunchier, more upper bass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e0.60 cu ft, this enclosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e0.715\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e34.5 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003e34.2 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background:#14532d !important;color:#86efac !important;\"\u003e\u003cstrong style=\"color:#86efac !important;\"\u003eMaximally flat. The target.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.90 cu ft, ResoNix maximum\u003c\/td\u003e\n\u003ctd\u003e0.617\u003c\/td\u003e\n\u003ctd\u003e29.8 Hz\u003c\/td\u003e\n\u003ctd\u003e34.8 Hz\u003c\/td\u003e\n\u003ctd\u003eBelow Butterworth, F3 rises slightly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cdiv class=\"pow-chartbox\"\u003e\n\u003csvg class=\"pow-chart\" width=\"1260\" height=\"420\" viewbox=\"0 0 1260 420\" preserveaspectratio=\"xMidYMid meet\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"display:block !important;width:100% !important;max-width:100% !important;height:auto !important;\"\u003e\n\u003crect x=\"0\" y=\"0\" width=\"1260\" height=\"420\" fill=\"#0b1424\"\u003e\u003c\/rect\u003e\n\u003crect x=\"90\" y=\"50\" width=\"1080\" height=\"300\" fill=\"#111c30\" stroke=\"#4a3520\" stroke-width=\"1\"\u003e\u003c\/rect\u003e\n\u003cline x1=\"210\" y1=\"50\" x2=\"210\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"379\" y1=\"50\" x2=\"379\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"592\" y1=\"50\" x2=\"592\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"881\" y1=\"50\" x2=\"881\" y2=\"350\" stroke=\"#3a2818\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"90\" y1=\"110\" x2=\"1170\" y2=\"110\" stroke=\"#334155\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"90\" y1=\"155\" x2=\"1170\" y2=\"155\" stroke=\"#64748b\" stroke-width=\"1\" stroke-dasharray=\"6,5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"1178\" y=\"160\" font-size=\"15\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-3 dB\u003c\/text\u003e\n\u003ctext x=\"1178\" y=\"115\" font-size=\"15\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e0 dB\u003c\/text\u003e\n\u003cpolyline points=\"90,350 112,350 135,350 158,335 180,320 202,306 225,291 248,277 270,262 292,248 315,234 338,220 360,206 382,193 405,180 428,168 450,157 472,146 495,137 518,129 540,122 562,116 585,111 608,108 630,105 652,103 675,102 698,101 720,101 742,101 765,101 788,101 810,102 832,102 855,103 878,103 900,104 922,104 945,105 968,105 990,105 1012,106 1035,106 1058,107 1080,107 1102,107 1125,107 1148,108 1170,108\" fill=\"none\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/polyline\u003e\n\u003cpolyline points=\"90,302 112,290 135,278 158,266 180,255 202,243 225,233 248,222 270,212 292,203 315,194 338,186 360,178 382,171 405,164 428,158 450,153 472,148 495,144 518,140 540,136 562,133 585,130 608,128 630,126 652,124 675,122 698,121 720,120 742,118 765,117 788,117 810,116 832,115 855,115 878,114 900,114 922,113 945,113 968,113 990,112 1012,112 1035,112 1058,112 1080,111 1102,111 1125,111 1148,111 1170,111\" fill=\"none\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/polyline\u003e\n\u003cpolyline points=\"90,329 112,315 135,302 158,289 180,275 202,263 225,250 248,238 270,226 292,214 315,203 338,192 360,183 382,173 405,165 428,157 450,150 472,144 495,138 518,134 540,130 562,126 585,123 608,121 630,119 652,117 675,116 698,114 720,114 742,113 765,112 788,112 810,111 832,111 855,111 878,111 900,110 922,110 945,110 968,110 990,110 1012,110 1035,110 1058,110 1080,110 1102,110 1125,110 1148,110 1170,110\" fill=\"none\" stroke=\"#c68a4a\" stroke-width=\"4.5\"\u003e\u003c\/polyline\u003e\n\u003ctext x=\"202\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e20\u003c\/text\u003e\n\u003ctext x=\"371\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e30\u003c\/text\u003e\n\u003ctext x=\"584\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e50\u003c\/text\u003e\n\u003ctext x=\"869\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e100\u003c\/text\u003e\n\u003ctext x=\"1158\" y=\"375\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e200\u003c\/text\u003e\n\u003ctext x=\"560\" y=\"404\" font-size=\"17\" fill=\"#c68a4a\" font-family=\"sans-serif\" font-weight=\"700\"\u003eFrequency (Hz)\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"56\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e+4\u003c\/text\u003e\n\u003ctext x=\"58\" y=\"190\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-5\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"265\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-10\u003c\/text\u003e\n\u003ctext x=\"48\" y=\"340\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e-15\u003c\/text\u003e\n\u003ctext x=\"102\" y=\"36\" font-size=\"16\" fill=\"#d99058\" font-family=\"sans-serif\" font-weight=\"700\"\u003eResoNix GUS-10. Anechoic half-space, no cabin gain.\u003c\/text\u003e\n\u003cline x1=\"800\" y1=\"255\" x2=\"850\" y2=\"255\" stroke=\"#c68a4a\" stroke-width=\"4.5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"862\" y=\"261\" font-size=\"16\" fill=\"#e2e8f0\" font-family=\"sans-serif\" font-weight=\"700\"\u003e0.60 cu ft, this enclosure\u003c\/text\u003e\n\u003cline x1=\"800\" y1=\"287\" x2=\"850\" y2=\"287\" stroke=\"#64748b\" stroke-width=\"2.5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"862\" y=\"293\" font-size=\"16\" fill=\"#94a3b8\" font-family=\"sans-serif\"\u003e0.35 cu ft and 0.90 cu ft\u003c\/text\u003e\n\u003c\/svg\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-alert\"\u003e\u003cp\u003e\u003cstrong\u003eLook at the F3 column, not the Qtc column.\u003c\/strong\u003e Across the entire usable range, from ResoNix's minimum 0.35 up to their maximum 0.90 cubic feet, \u003cstrong\u003eF3 moves by less than two hertz\u003c\/strong\u003e, and the largest box is actually slightly higher than this one. Enclosure volume on this driver changes the shape of the response, not how deep it plays. That falls straight out of a 16.9 Hz Fs paired with a 0.35 Qts.\u003c\/p\u003e\u003c\/div\u003e\n\n\u003cdiv class=\"pow-alert\"\u003e\u003cp\u003e\u003cstrong\u003eWhy not build bigger.\u003c\/strong\u003e On the GUS-10 the largest recommended volume drops Qtc to 0.617 without buying a single hertz of extension. F3 at ResoNix's 0.90 maximum is 34.8 Hz against 34.2 Hz here. You would be trading a maximally flat alignment for a lower-Q one and getting nothing back.\u003c\/p\u003e\u003c\/div\u003e\n\n\u003cp\u003eRun your own numbers with the \u003ca href=\"\/pages\/sealed-box-calculator\"\u003eSealed Box Calculator\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-section\"\u003e\n\u003cp\u003eFull dimensions, cutout, mounting depth, and hardware details are listed under the \u003cstrong\u003eEnclosures\u003c\/strong\u003e tab.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pow-cta\"\u003e\n\u003ch3\u003eCut for the GUS-10. Built in Tennessee.\u003c\/h3\u003e\n\u003cp\u003eEnclosure only. The ResoNix GUS-10 driver is purchased separately from ResoNix Sound Solutions. Built to order in Tullahoma, Tennessee on our own CNC equipment. Questions on fitment or amplifier matching, call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":44493105397849,"sku":"PO 10-S W GUS","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO10-SWGUSFront.png?v=1786656198"},{"product_id":"performance-optimized-wedge-sealed-12-enclosure-image-dynamics-idq-12","title":"Image Dynamics IDQ 12 Box: Sealed 12\" Wedge Enclosure","description":"\u003cstyle\u003e\n.po-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.8;color:#1e293b;max-width:1200px;margin:0 auto;background:#fff}\n.po-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-hero .po-title{font-size:2.6em;font-weight:800;text-transform:uppercase;letter-spacing:2px;margin:0 0 10px 0;color:#fff}\n.po-hero .po-subtitle{font-size:1.2em;font-weight:300;opacity:.9;margin:0 0 30px 0}\n.po-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:20px}\n.po-badge{background:rgba(184,115,51,.2);border:1px solid #b87333;color:#d99058;padding:8px 20px;border-radius:20px;font-size:.9em;font-weight:600;letter-spacing:.5px}\n.po-section{padding:50px 40px;border-bottom:1px solid #e2e8f0;background:#fff}\n.po-section:nth-child(even){background:#fef3e7}\n.po-section h2{color:#8b5a2b;font-size:2em;font-weight:700;margin:0 0 20px 0;padding-bottom:12px;border-bottom:3px solid #b87333}\n.po-section h3{color:#0f172a;font-size:1.4em;font-weight:600;margin:30px 0 15px 0}\n.po-section p{font-size:1.05em;color:#334155;margin-bottom:18px}\n.po-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:30px 0}\n.po-card{background:#fff;border:1px solid #e2e8f0;border-top:4px solid #b87333;padding:25px;border-radius:4px}\n.po-card h4{color:#8b5a2b;font-size:1.15em;font-weight:700;margin:0 0 12px 0;text-transform:uppercase;letter-spacing:1px}\n.po-card p{font-size:.98em;color:#475569;margin:0}\n.po-highlight{background:#fef3e7;border-left:4px solid #b87333;padding:25px 30px;margin:30px 0;border-radius:4px}\n.po-highlight p{color:#1e293b;margin:0;font-size:1.05em}\n.po-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-cta h2{font-size:2.2em;font-weight:700;margin:0 0 20px 0;color:#fff;border:none;padding:0}\n.po-cta p{font-size:1.15em;opacity:.92;max-width:800px;margin:0 auto 20px auto;color:#fff}\n@media (max-width:768px){.po-hero{padding:40px 20px}.po-hero .po-title{font-size:1.8em}.po-section{padding:30px 20px}.po-section h2{font-size:1.6em}.po-grid{grid-template-columns:1fr}.po-cta{padding:40px 20px}.po-cta h2{font-size:1.6em}}\n\u003c\/style\u003e\n\u003cdiv class=\"po-wrap\"\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Image Dynamics IDQ 12\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003eSingle 12\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the IDQ12 V4\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e1.4 ft³ Gross\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e24\" × 15\" × 8.75\/14.2\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe IDQ12 V4 in a Trunk-Load Wedge\u003c\/h2\u003e\n\u003cp\u003eThe Image Dynamics IDQ12 V4 is one of the most respected SQ 12\" subwoofers on the market, 375W RMS, 14.5mm linear Xmax, 280 oz motor, field-replaceable cone assembly used in SQ competition for over a decade.\u003c\/p\u003e\n\u003cp\u003eWoofer mounts on the vertical trunk-lid-side face and fires rearward into the trunk cavity. Angled face on the opposite side tucks against the rear seat back.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003e1.4 cu ft gross (approximately 1.3 cu ft net after driver displacement), inside Image Dynamics' specified sealed range of 0.65 to 1.8 cu ft, sitting well into the audiophile side where the driver's low-end extension fully develops.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eWoofer mounted on the vertical face at the back fires rearward into the trunk cavity. Angled face on the opposite side tucks against the rear seat back.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eMost factory rear seats lean ~20 degrees from vertical. The angled face (8.75\" top, 14.2\" bottom) matches that lean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n\u003cp\u003eThe vertical face (24\" × 15\") is where the IDQ12 mounts. Cone fires rearward toward the trunk lid.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eUses the trunk itself as acoustic extension for smoother, less-localized presentation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eWedge tucks against seat back. Cargo space in front stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered Around the IDQ12 V4's Parameters\u003c\/h2\u003e\n\u003cp\u003eImage Dynamics specifies the IDQ12 V4 for sealed enclosures between 0.65 cu ft (compact) and 1.8 cu ft (audiophile). The PO Wedge delivers 1.4 cu ft gross, approximately 1.3 net after driver displacement, well into the audiophile portion of ID's specified range where low-end extension fully develops.\u003c\/p\u003e\n\u003ch3\u003eVolume Selection\u003c\/h3\u003e\n\u003cp\u003e1.3 cu ft net is above ID's compact spec but below the maximum audiophile spec: the middle-upper portion where the IDQ12 delivers both extension and transient control.\u003c\/p\u003e\n\u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n\u003cp\u003eVertical baffle CNC-cut to the IDQ12's exact 10.937\" cutout. 5.91\" mounting depth fits comfortably. 8\/32 threaded inserts pressed into baffle backside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC-cut V-grooves at every panel intersection for maximum glue surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n\u003cp\u003eThreaded inserts accept stainless steel mounting screws.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS\/carbon-fiber terminal cup, 12g OFC pre-wired.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n\u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n\u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n\u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n\u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n\u003cp\u003eThis listing is the enclosure only. Bring your own Image Dynamics IDQ 12.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the IDQ12 V4 to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eIDQ12 V4 is dual voice coil in D2 or D4. D2 parallel = 1Ω, D2 series = 4Ω. D4 parallel = 2Ω, D4 series = 8Ω. IDQ12 is rated 375W RMS. Aim for 300-400W clean at your chosen impedance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eCNC-cut, assembled, and finished in Tullahoma, TN. 5-10 business day build window (temporarily extended due to high order volume). 1-year limited warranty.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eThe IDQ12 in a Trunk-Load Wedge\u003c\/h2\u003e\n\u003cp\u003eWedge geometry against the rear seat back, driver-specific 1.4 cu ft airspace tuned to the IDQ12 V4's audiophile spec range, Performance Series construction.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44527877783641,"sku":"PO 12-S W IDQ BB","price":319.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871562841,"sku":"PO 12-S W IDQ B","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO12-SWIDQFront.png?v=1786740287"},{"product_id":"performance-optimized-wedge-sealed-10-enclosure-image-dynamics-idq-10","title":"Image Dynamics IDQ 10 Box: Sealed 10\" Wedge Enclosure","description":"\u003cstyle\u003e\n.po-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.8;color:#1e293b;max-width:1200px;margin:0 auto;background:#fff}\n.po-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-hero .po-title{font-size:2.6em;font-weight:800;text-transform:uppercase;letter-spacing:2px;margin:0 0 10px 0;color:#fff}\n.po-hero .po-subtitle{font-size:1.2em;font-weight:300;opacity:.9;margin:0 0 30px 0}\n.po-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:20px}\n.po-badge{background:rgba(184,115,51,.2);border:1px solid #b87333;color:#d99058;padding:8px 20px;border-radius:20px;font-size:.9em;font-weight:600;letter-spacing:.5px}\n.po-section{padding:50px 40px;border-bottom:1px solid #e2e8f0;background:#fff}\n.po-section:nth-child(even){background:#fef3e7}\n.po-section h2{color:#8b5a2b;font-size:2em;font-weight:700;margin:0 0 20px 0;padding-bottom:12px;border-bottom:3px solid #b87333}\n.po-section h3{color:#0f172a;font-size:1.4em;font-weight:600;margin:30px 0 15px 0}\n.po-section p{font-size:1.05em;color:#334155;margin-bottom:18px}\n.po-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:30px 0}\n.po-card{background:#fff;border:1px solid #e2e8f0;border-top:4px solid #b87333;padding:25px;border-radius:4px}\n.po-card h4{color:#8b5a2b;font-size:1.15em;font-weight:700;margin:0 0 12px 0;text-transform:uppercase;letter-spacing:1px}\n.po-card p{font-size:.98em;color:#475569;margin:0}\n.po-highlight{background:#fef3e7;border-left:4px solid #b87333;padding:25px 30px;margin:30px 0;border-radius:4px}\n.po-highlight p{color:#1e293b;margin:0;font-size:1.05em}\n.po-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-cta h2{font-size:2.2em;font-weight:700;margin:0 0 20px 0;color:#fff;border:none;padding:0}\n.po-cta p{font-size:1.15em;opacity:.92;max-width:800px;margin:0 auto 20px auto;color:#fff}\n@media (max-width:768px){.po-hero{padding:40px 20px}.po-hero .po-title{font-size:1.8em}.po-section{padding:30px 20px}.po-section h2{font-size:1.6em}.po-grid{grid-template-columns:1fr}.po-cta{padding:40px 20px}.po-cta h2{font-size:1.6em}}\n\u003c\/style\u003e\n\u003cdiv class=\"po-wrap\"\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Image Dynamics IDQ 10\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003eSingle 10\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the IDQ10 V4\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e1.0 ft³ Airspace\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e20\" × 14\" × 8.4\/13.5\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe IDQ10 V4 in a Trunk-Load Wedge\u003c\/h2\u003e\n\u003cp\u003eThe Image Dynamics IDQ10 V4 is the reference-standard SQ 10\" subwoofer, 250 watts RMS nominal, 14.5mm linear Xmax, a 180 oz Extended Y-35 motor, and a field-replaceable cone assembly used in sound quality competition for over a decade. The IDQ10 needs a properly sized sealed cabinet that actually fits in real trunks.\u003c\/p\u003e\n\u003cp\u003eThe Performance Optimized Wedge Sealed 10 for IDQ is that cabinet. Woofer mounts on the vertical trunk-lid-side face and fires rearward into the trunk cavity. The angled face on the opposite side tucks against the rear seat back, matching the natural lean of most factory rear seats.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003e1.0 cubic feet of internal airspace. Sitting between Image Dynamics' 0.60 cu ft Compact and 1.10 cu ft Universal sealed alignments. Tuned for tight, controlled response with strong low-end extension and 350W maximum power handling.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eThis wedge is not a front-firing enclosure. Woofer mounted on the vertical face at the back of the box fires rearward into the trunk cavity. The angled face on the opposite side tucks against the rear seat back.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eMost factory rear seats lean ~20 degrees from vertical. The angled face (8.4\" top, 13.5\" bottom) matches that lean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n\u003cp\u003eThe vertical face (20\" × 14\") is where the IDQ10 mounts. Cone fires rearward toward the trunk lid.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eUses the trunk itself as acoustic extension. Low frequencies transmit into the cabin through the rear deck, seat back, and cabin boundaries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eWedge tucks against seat back. Cargo space in front of the wedge stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered Around the IDQ10 V4's Parameters\u003c\/h2\u003e\n\u003cp\u003eImage Dynamics specifies three sealed alignments: 0.60 cu ft (Compact, 450W max), 1.10 cu ft (Universal, 350W max), 1.60 cu ft (Audiophile, 250W max). The PO Wedge delivers 1.0 cu ft, between Compact and Universal, dialed slightly toward the punchier Compact side while still delivering meaningful low-end extension.\u003c\/p\u003e\n\u003ch3\u003eVolume Selection\u003c\/h3\u003e\n\u003cp\u003e1.0 cu ft is the sweet spot for an IDQ10 build wanting punch without giving up low-end weight. Delivers Qtc 1.09 (D2) to 1.15 (D4) with 350W max power handling.\u003c\/p\u003e\n\u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n\u003cp\u003eVertical trunk-lid-side baffle CNC-cut to the IDQ10's exact 9.57\" cutout. 5.81\" mounting depth fits comfortably. 8\/32 threaded inserts pressed into baffle backside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC-cut V-grooves let the wedge fold with maximum glue surface. Dado joints lock panels into side walls.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n\u003cp\u003eThreaded inserts accept stainless steel mounting screws. No stripped pilot holes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS\/carbon-fiber terminal cup, 12g OFC pre-wired.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n\u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n\u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n\u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n\u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n\u003cp\u003eThis listing is the enclosure only. Bring your own Image Dynamics IDQ 10.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the IDQ10 V4 to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eIDQ10 V4 is dual voice coil in D2 or D4. D2 parallel = 1Ω, D2 series = 4Ω. D4 parallel = 2Ω, D4 series = 8Ω. Aim for 250-350W RMS clean at your chosen impedance. The IDQ rewards clean power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eCNC-cut, assembled, and finished in Tullahoma, TN. 5-10 business day build window (temporarily extended due to high order volume). 1-year limited warranty.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eThe IDQ10 in a Trunk-Load Wedge\u003c\/h2\u003e\n\u003cp\u003eWedge geometry against the rear seat back, driver-specific 1.0 cu ft airspace, Performance Series V-groove and dado construction. Woofer fires rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44527917989977,"sku":"PO 10-S W IDQ BB","price":289.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871169625,"sku":"PO 10-S W IDQ B","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO10-SWIDQFront.png?v=1786740963"},{"product_id":"performance-optimized-wedge-sealed-12-enclosure-jl-audio-12w6v3-1","title":"JL Audio 12W6v3 Box: Sealed 12\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(6, 182, 212, 0.2); border: 1px solid #06b6d4; color: #67e8f9; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #f0f9ff; }\n  .po-section h2 { color: #0e7490; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #06b6d4; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #06b6d4; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #0e7490; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #f0f9ff; border-left: 4px solid #06b6d4; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | JL Audio 12W6v3\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 12\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the JL Audio W6v3\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e1.105 ft³ Gross\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e1.0 ft³ Net (JL Spec)\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e20\" × 15\" × 8\/13.5\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe JL Audio 12W6v3 in JL's Spec-Perfect Sealed Volume\u003c\/h2\u003e\n    \u003cp\u003eThe JL Audio 12W6v3 is one of the most refined 12\" subwoofers in car audio, 600 watts RMS continuous, a DMA-optimized motor derived from the W7AE flagship platform, a mineral-filled polypropylene cone with rubber surround, and a rigid cast-alloy frame that resists flex under real power. JL Audio designed the W6v3 to deliver flagship-caliber SQ performance in compact sealed volumes, and JL specifies exactly 1.0 cubic feet net for the 12W6v3's optimum sealed alignment.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Wedge Sealed 12 for JL Audio W6 is engineered to hit that target precisely. 1.105 cubic feet gross internal volume minus the 12W6v3's 0.105 cubic foot driver displacement equals exactly 1.0 cubic foot net, the volume JL's engineers spec'd the W6v3 around, delivering the published F3 of 41.62 Hz and Qtc of 0.79. This isn't a \"close enough\" cabinet. It's JL's number, in a trunk-friendly wedge geometry.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e1.105 cubic feet gross = 1.0 cubic foot net after the 12W6v3's 0.105 cubic foot driver displacement. Exactly matches JL Audio's published optimum sealed volume for the 12W6v3 (Qtc 0.79, F3 41.62 Hz). The wedge geometry mounts the woofer on the vertical trunk-lid-side face, firing rearward into the trunk cavity.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n    \u003cp\u003eThis wedge is not a front-firing enclosure. The woofer is mounted on the vertical face that sits at the back of the box, closest to the trunk lid, and fires rearward into the trunk cavity. The angled face is on the opposite side of the box, the side that faces the front of the vehicle, and tucks against the rear seat back. Two different problems solved by one geometry.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n        \u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge (8\" at the top, 13.5\" at the bottom) matches that lean, tucking against the seat back with no wasted gap. The wedge fills the trunk shelf area behind the seat cleanly.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n        \u003cp\u003eThe vertical face on the opposite side of the wedge (20\" wide × 15\" tall) is where the 12W6v3 mounts. The driver fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber. This is the classic SQ trunk-load install pattern.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n        \u003cp\u003eFiring the woofer into the trunk cavity rather than directly into the cabin uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the passenger cabin through the rear deck, seat back, and cabin boundaries, a smoother, less localized presentation than direct-firing setups.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n        \u003cp\u003eThe wedge tucks against the seat back where cargo can't be stored anyway. The bottom face sits flat and stable on the trunk floor. Cargo space in front of the wedge (toward the trunk lid) stays usable for daily driving.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered to JL Audio's Published Sealed Specification\u003c\/h2\u003e\n    \u003cp\u003eJL Audio publishes exactly one recommended sealed volume for the 12W6v3: 1.0 cubic foot net internal. In that alignment the driver delivers F3 of 41.62 Hz, Qtc of 0.79, and Fc of 45.99 Hz, the response curve JL's engineers targeted when they designed the driver. The Performance Optimized Wedge Sealed 12 delivers 1.105 cubic feet gross internal, which after subtracting the 12W6v3's 0.105 cubic foot displacement lands at exactly 1.0 cubic foot net. Not approximately. Exactly.\u003c\/p\u003e\n    \u003ch3\u003eWhy JL's Specification Matters\u003c\/h3\u003e\n    \u003cp\u003eSome drivers are forgiving about enclosure volume. The 12W6v3 isn't one of them. JL engineered this driver with a specific Qtc target in mind, and volume changes shift Qtc noticeably. Below 1.0 cubic feet Qtc climbs above 0.79, adding midbass lift while low-end extension drops. Above 1.0 the Qtc drops toward 0.707 and the midbass lift eases. 1.0 net is where the driver sounds like the driver JL designed. This cabinet delivers exactly that.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eThe vertical trunk-lid-side baffle is cut to the 12W6v3's exact 11.02\" cutout specification. The 12W6v3's 7.52\" mounting depth plus the required 0.50\" pole vent clearance fits inside the cabinet, internal depth from the vertical baffle to the interior of the angled seat-side face ranges from 8\" at the top to 13.5\" at the bottom, providing ample clearance for the driver's motor and cooling requirements. 8\/32 threaded inserts are pressed into the baffle backside for secure driver retention.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, and a longer service life under daily use at the 600 watts RMS the 12W6v3 handles.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the wedge cabinet fold into its angled shape with maximum glue surface. Dado joints lock the vertical woofer baffle and the angled seat-side panel into the side walls, no fasteners visible from outside, no exposed end grain at joints.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the vertical woofer baffle accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. The angled seat-side panel requires precise CNC compound cuts to hit both the volume target and the mating angles between the top and bottom edges. Tolerances that manual fabrication can't reliably hold. Internal volume is verified on every unit to ensure the JL-spec 1.0 cubic foot net target is achieved.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is the enclosure only. Bring your own JL Audio 12W6v3.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the JL Audio 12W6v3 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe JL Audio 12W6v3 is a dual voice coil driver available in Dual 4-ohm configuration only. The pre-wired terminal cup accepts either wiring configuration via 12-gauge OFC, with stainless steel input hardware.\u003c\/p\u003e\n    \u003cp\u003eWired in parallel, the 12W6v3 presents a 2-ohm load. Wired in series, it presents 8 ohms. The 12W6v3 is rated for 600 watts RMS continuous, with JL Audio recommending amplifier power in the 200 to 600 watt RMS range. Aim for a clean, well-regulated amplifier delivering 300 to 500 watts RMS at your chosen impedance for balanced output and long-term reliability.\u003c\/p\u003e\n    \u003cp\u003eImportant: JL Audio explicitly recommends against using this subwoofer with a passive crossover (coil), as this type of device will adversely affect performance. Use your amplifier's active low-pass filter to set the sub's upper cutoff, typically between 80 and 100 Hz for musical accuracy.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eJL's Spec Volume, in a Trunk-Load Wedge\u003c\/h2\u003e\n    \u003cp\u003eExactly 1.0 cubic foot net internal, JL Audio's published optimum sealed volume for the 12W6v3, in a trunk-friendly wedge geometry that fires the driver rearward into the trunk cavity. Precise driver-specific engineering for the W6 you already chose.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44528206741593,"sku":"PO 12-S W W6 BB","price":319.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871661145,"sku":"PO 12-S W W6 B","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO12-SWW6Front.png?v=1786844724"},{"product_id":"performance-optimized-wedge-sealed-10-enclosure-jl-audio-10w6v3","title":"JL Audio 10W6v3 Box: Sealed 10\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | JL Audio 10W6v3\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 10\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the JL Audio W6v3\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e0.63 ft³ Gross\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e0.55 ft³ Net (JL Spec)\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e15\" × 12.25\" × 8.85\/13.25\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe JL Audio 10W6v3 in JL's Spec-Perfect Sealed Volume\u003c\/h2\u003e\n    \u003cp\u003eThe JL Audio 10W6v3 is one of the highest-caliber 10\" subwoofers on the market, 600 watts RMS continuous, a DMA-optimized motor derived from the W7AE flagship platform, a mineral-filled polypropylene cone with rubber surround, and a satin black cast-alloy frame that resists flex under real power. JL Audio designed the W6v3 to deliver flagship-caliber sound quality performance in compact sealed volumes, and JL specifies exactly 0.55 cubic feet net for the 10W6v3's optimum sealed alignment.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Wedge Sealed 10 for JL Audio W6 is engineered to hit that target precisely. 0.63 cubic feet gross internal volume minus the 10W6v3's driver displacement equals exactly 0.55 cubic feet net, the volume JL's engineers spec'd the W6v3 around, delivering the published F3 of 42.27 Hz and Qtc of 0.81. This isn't a \"close enough\" cabinet. It's JL's number, in a trunk-friendly wedge geometry.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e0.63 cubic feet gross = 0.55 cubic feet net after the 10W6v3's driver displacement. Exactly matches JL Audio's published optimum sealed volume for the 10W6v3 (Qtc 0.81, F3 42.27 Hz). The wedge geometry mounts the woofer on the vertical trunk-lid-side face, firing rearward into the trunk cavity.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n    \u003cp\u003eThis wedge is not a front-firing enclosure. The woofer is mounted on the vertical face that sits at the back of the box, closest to the trunk lid, and fires rearward into the trunk cavity. The angled face is on the opposite side of the box, the side that faces the front of the vehicle, and tucks against the rear seat back. Two different problems solved by one geometry.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n        \u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge (8.85\" at the top, 13.25\" at the bottom) matches that lean, tucking against the seat back with no wasted gap. The wedge fills the trunk shelf area behind the seat cleanly.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n        \u003cp\u003eThe vertical face on the opposite side of the wedge (15\" wide × 12.25\" tall) is where the 10W6v3 mounts. The driver fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber. This is the classic SQ trunk-load install pattern.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n        \u003cp\u003eFiring the woofer into the trunk cavity rather than directly into the cabin uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the passenger cabin through the rear deck, seat back, and cabin boundaries, a smoother, less localized presentation than direct-firing setups.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n        \u003cp\u003eThe wedge tucks against the seat back where cargo can't be stored anyway. The bottom face sits flat and stable on the trunk floor. Cargo space in front of the wedge (toward the trunk lid) stays usable for daily driving.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered to JL Audio's Published Sealed Specification\u003c\/h2\u003e\n    \u003cp\u003eJL Audio publishes exactly one recommended sealed volume for the 10W6v3: 0.55 cubic feet net internal. In that alignment the driver delivers F3 of 42.27 Hz, Qtc of 0.81, and Fc of 47.55 Hz, the response curve JL's engineers targeted when they designed the driver. The Performance Optimized Wedge Sealed 10 delivers 0.63 cubic feet gross internal, which after subtracting the 10W6v3's driver displacement lands at exactly 0.55 cubic feet net. Not approximately. Exactly.\u003c\/p\u003e\n    \u003ch3\u003eWhy JL's Specification Matters\u003c\/h3\u003e\n    \u003cp\u003eSome drivers are forgiving about enclosure volume. The 10W6v3 isn't one of them. JL engineered this driver with a specific Qtc target in mind, and volume changes shift Qtc noticeably. Below 0.55 cubic feet Qtc climbs above 0.81, adding midbass lift while low-end extension drops. Above 0.55 the Qtc drops toward 0.707 and the midbass lift eases. 0.55 net is where the driver sounds like the driver JL designed. This cabinet delivers exactly that.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eThe vertical trunk-lid-side baffle is cut to the 10W6v3's exact mounting cutout specification. The 10W6v3's 6.89\" mounting depth plus the required 0.50\" pole vent clearance fits inside the cabinet, internal depth from the vertical baffle to the interior of the angled seat-side face ranges from 8.85\" at the top to 13.25\" at the bottom, providing ample clearance for the driver's motor and cooling requirements. 8\/32 threaded inserts are pressed into the baffle backside for secure driver retention.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, and a longer service life under daily use at the 600 watts RMS the 10W6v3 handles.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the wedge cabinet fold into its angled shape with maximum glue surface. Dado joints lock the vertical woofer baffle and the angled seat-side panel into the side walls, no fasteners visible from outside, no exposed end grain at joints.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the vertical woofer baffle accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. The angled seat-side panel requires precise CNC compound cuts to hit both the volume target and the mating angles between the top and bottom edges. Tolerances that manual fabrication can't reliably hold. Internal volume is verified on every unit to ensure the JL-spec 0.55 cubic foot net target is achieved.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is the enclosure only. Bring your own JL Audio 10W6v3.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the JL Audio 10W6v3 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe JL Audio 10W6v3 is a dual voice coil driver available in Dual 4-ohm configuration only. The pre-wired terminal cup accepts either wiring configuration via 12-gauge OFC, with stainless steel input hardware.\u003c\/p\u003e\n    \u003cp\u003eWired in parallel, the 10W6v3 presents a 2-ohm load. Wired in series, it presents 8 ohms. The 10W6v3 is rated for 600 watts RMS continuous, with JL Audio recommending amplifier power in the 200 to 600 watt RMS range. Aim for a clean, well-regulated amplifier delivering 300 to 500 watts RMS at your chosen impedance for balanced output and long-term reliability.\u003c\/p\u003e\n    \u003cp\u003eImportant: JL Audio explicitly recommends against using this subwoofer with a passive crossover (coil), as this type of device will adversely affect performance. Use your amplifier's active low-pass filter to set the sub's upper cutoff, typically between 80 and 100 Hz for musical accuracy.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eJL's Spec Volume, in a Trunk-Load Wedge\u003c\/h2\u003e\n    \u003cp\u003eExactly 0.55 cubic feet net internal, JL Audio's published optimum sealed volume for the 10W6v3, in a trunk-friendly wedge geometry that fires the driver rearward into the trunk cavity. Precise driver-specific engineering for the W6 you already chose.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44528206839897,"sku":"PO 10-S W W6 BB","price":289.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871267929,"sku":"PO 10-S W W6 B","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO10-SWW6Front.png?v=1786844991"},{"product_id":"performance-optimized-wedge-sealed-10-enclosure-jl-audio-10w3v3","title":"JL Audio 10W3v3 Box: Sealed 10\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | JL Audio 10W3v3\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 10\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the JL Audio W3v3\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e0.675 ft³ Gross\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e0.625 ft³ Net (JL Spec)\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e19.75\" × 12.5\" × 6.95\/11.5\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe JL Audio 10W3v3 in JL's Spec-Perfect Sealed Volume\u003c\/h2\u003e\n    \u003cp\u003eThe JL Audio 10W3v3 is the workhorse of JL's 10-inch subwoofer lineup, 500 watts RMS continuous, a mineral-filled polypropylene cone, an NBR rubber surround, and JL's proprietary Dynamic Motor Analysis system engineered into the motor. This is the driver that strikes an outstanding balance between power handling, enclosure requirements, and excursion for medium-power daily-driver systems, available in Single 2-ohm (10W3v3-2) or Single 4-ohm (10W3v3-4) configurations to match your amplifier.\u003c\/p\u003e\n    \u003cp\u003eJL specifies exactly 0.625 cubic feet net internal volume as the optimum sealed enclosure for the 10W3v3. The Performance Optimized Wedge Sealed 10 for JL Audio W3 delivers 0.675 cubic feet gross internal, which after subtracting the 10W3v3's 0.049 cubic foot driver displacement lands at 0.626 cubic feet net, essentially exact match to JL's published sealed spec, delivering the target F3 of 46.9 Hz and Qtc of 0.818.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e0.675 cubic feet gross = 0.626 cubic feet net after the 10W3v3's 0.049 cubic foot driver displacement. Essentially exact match to JL Audio's published optimum sealed volume for the 10W3v3 (Qtc 0.818, F3 46.9 Hz). The wedge geometry mounts the woofer on the vertical trunk-lid-side face, firing rearward into the trunk cavity.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n    \u003cp\u003eThis wedge is not a front-firing enclosure. The woofer is mounted on the vertical face that sits at the back of the box, closest to the trunk lid, and fires rearward into the trunk cavity. The angled face is on the opposite side of the box, the side that faces the front of the vehicle, and tucks against the rear seat back. Two different problems solved by one geometry.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n        \u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge (6.95\" at the top, 11.5\" at the bottom) matches that lean, tucking against the seat back with no wasted gap. The wedge fills the trunk shelf area behind the seat cleanly.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n        \u003cp\u003eThe vertical face on the opposite side of the wedge (19.75\" wide × 12.5\" tall) is where the 10W3v3 mounts. The driver fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber. This is the classic SQ trunk-load install pattern.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n        \u003cp\u003eFiring the woofer into the trunk cavity rather than directly into the cabin uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the passenger cabin through the rear deck, seat back, and cabin boundaries, a smoother, less localized presentation than direct-firing setups.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n        \u003cp\u003eThe wedge tucks against the seat back where cargo can't be stored anyway. The bottom face sits flat and stable on the trunk floor. Cargo space in front of the wedge (toward the trunk lid) stays usable for daily driving.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered to JL Audio's Published Sealed Specification\u003c\/h2\u003e\n    \u003cp\u003eJL Audio publishes exactly one recommended sealed volume for the 10W3v3: 0.625 cubic feet net internal. In that alignment the driver delivers F3 of 46.9 Hz, Qtc of 0.818, and Fc of 52.9 Hz, the response curve JL's engineers targeted when they designed the driver. The Performance Optimized Wedge Sealed 10 delivers 0.675 cubic feet gross internal, which after subtracting the 10W3v3's 0.049 cubic foot displacement lands at 0.626 cubic feet net. Right on JL's spec.\u003c\/p\u003e\n    \u003ch3\u003eWhat the JL Spec Delivers\u003c\/h3\u003e\n    \u003cp\u003eJL engineered the 10W3v3 for a Qtc of 0.818 in a 0.625 cubic foot sealed enclosure. That Qtc target sits slightly above the traditional \"flat\" 0.707 alignment, giving the driver a warm, impactful bass character that works well in daily-driven cars where cabin gain smooths out the response. Below 0.625 cubic feet Qtc climbs above 0.818, adding midbass lift while low-end extension drops. Above 0.625 the Qtc drops toward 0.7 and the character shifts more neutral. 0.625 is where the driver sounds like the driver JL designed.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eThe vertical trunk-lid-side baffle is cut to the 10W3v3's exact 9.0625\" cutout specification. The 10W3v3's 5.93\" mounting depth fits comfortably inside the cabinet, internal depth from the vertical baffle to the interior of the angled seat-side face ranges from 6.95\" at the top to 11.5\" at the bottom, providing ample clearance for the driver's motor and cooling requirements. 8\/32 threaded inserts are pressed into the baffle backside for secure driver retention.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, and a longer service life under daily use at the 500 watts RMS the 10W3v3 handles.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the wedge cabinet fold into its angled shape with maximum glue surface. Dado joints lock the vertical woofer baffle and the angled seat-side panel into the side walls, no fasteners visible from outside, no exposed end grain at joints.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the vertical woofer baffle accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. The angled seat-side panel requires precise CNC compound cuts to hit both the volume target and the mating angles between the top and bottom edges. Tolerances that manual fabrication can't reliably hold. Internal volume is verified on every unit to ensure the JL-spec 0.625 cubic foot net target is achieved.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is the enclosure only. Bring your own JL Audio 10W3v3.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the JL Audio 10W3v3 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe JL Audio 10W3v3 is a single voice coil driver available in two impedance versions to match different amplifier configurations. The pre-wired terminal cup accepts the two-conductor connection via 12-gauge OFC, with stainless steel input hardware.\u003c\/p\u003e\n    \u003cp\u003eThe 10W3v3-2 (Single 2-ohm) presents a 2-ohm load directly to your amplifier. The 10W3v3-4 (Single 4-ohm) presents a 4-ohm load. Pick the impedance version that matches your amplifier's stable-load requirements. Most modern class D monoblocks are stable at 2 ohms and deliver more power at that load, but 4-ohm operation is easier on both the amp and the driver for daily use.\u003c\/p\u003e\n    \u003cp\u003eThe 10W3v3 is rated for 500 watts RMS continuous, with JL Audio recommending amplifier power in the 150 to 500 watt RMS range. Aim for a clean, well-regulated amplifier delivering 250 to 400 watts RMS at your chosen impedance for balanced output and long-term reliability.\u003c\/p\u003e\n    \u003cp\u003eImportant: JL Audio explicitly recommends against using this subwoofer with a passive crossover (coil), as this type of device will adversely affect performance. Use your amplifier's active low-pass filter to set the sub's upper cutoff, typically between 80 and 100 Hz for musical accuracy.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eJL's Spec Volume, in a Trunk-Load Wedge\u003c\/h2\u003e\n    \u003cp\u003eRight on JL Audio's published optimum sealed volume for the 10W3v3, 0.625 cubic feet net internal, in a trunk-friendly wedge geometry that fires the driver rearward into the trunk cavity. Precise driver-specific engineering for the W3 you already chose.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44528213688409,"sku":"PO 10-S W W3 BB","price":279.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871235161,"sku":"PO 10-S W W3 B","price":259.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO10-SWW3Front.png?v=1786844945"},{"product_id":"performance-optimized-wedge-sealed-12-enclosure-jl-audio-12w3v3","title":"JL Audio 12W3v3 Box: Sealed 12\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | JL Audio 12W3v3\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 12\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the JL Audio W3v3\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e1.32 ft³ Gross\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e1.25 ft³ Net (JL 2Ω Spec)\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e23.75\" × 14.5\" × 8.25\/13.5\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe JL Audio 12W3v3 in JL's Spec-Perfect Sealed Volume\u003c\/h2\u003e\n    \u003cp\u003eThe JL Audio 12W3v3 is JL's medium-power 12\" workhorse, 500 watts RMS continuous, 87.15 dB sensitivity, a DMA-optimized motor, a mineral-filled polypropylene cone, and an NBR rubber surround engineered for long service life. Available in Single 2-ohm (12W3v3-2), Single 4-ohm (12W3v3-4), and Single 8-ohm (12W3v3-8) configurations to match your amplifier, this driver delivers world-class sound quality in a compact sealed cabinet that fits real trunks.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Wedge Sealed 12 for JL Audio W3 is engineered to hit JL's exact 12W3v3-2 sealed specification. 1.32 cubic feet gross internal volume minus the 12W3v3's 0.071 cubic foot driver displacement equals 1.249 cubic feet net. Matching JL's published 1.250 cubic foot sealed spec for the 2-ohm variant. In that alignment, the driver delivers F3 of 41.8 Hz and Qtc of 0.80, a warm, impactful bass character that plays beautifully in a daily-driver system.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e1.32 cubic feet gross = 1.249 cubic feet net after the 12W3v3's 0.071 cubic foot driver displacement. Exact match to JL Audio's published sealed spec for the 12W3v3-2 (Qtc 0.80, F3 41.8 Hz). The 12W3v3-4 and -8 variants also fit this cabinet with slightly relaxed alignments. The wedge geometry mounts the woofer on the vertical trunk-lid-side face, firing rearward into the trunk cavity.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n    \u003cp\u003eThis wedge is not a front-firing enclosure. The woofer is mounted on the vertical face that sits at the back of the box, closest to the trunk lid, and fires rearward into the trunk cavity. The angled face is on the opposite side of the box, the side that faces the front of the vehicle, and tucks against the rear seat back. Two different problems solved by one geometry.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n        \u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge (8.25\" at the top, 13.5\" at the bottom) matches that lean, tucking against the seat back with no wasted gap. The wedge fills the trunk shelf area behind the seat cleanly.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n        \u003cp\u003eThe vertical face on the opposite side of the wedge (23.75\" wide × 14.5\" tall) is where the 12W3v3 mounts. The driver fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber. This is the classic SQ trunk-load install pattern.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n        \u003cp\u003eFiring the woofer into the trunk cavity rather than directly into the cabin uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the passenger cabin through the rear deck, seat back, and cabin boundaries, a smoother, less localized presentation than direct-firing setups.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n        \u003cp\u003eThe wedge tucks against the seat back where cargo can't be stored anyway. The bottom face sits flat and stable on the trunk floor. Cargo space in front of the wedge (toward the trunk lid) stays usable for daily driving.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered to JL Audio's Published Sealed Specification\u003c\/h2\u003e\n    \u003cp\u003eJL Audio publishes different sealed enclosure specs for each impedance variant of the 12W3v3. The 12W3v3-2 wants 1.250 cubic feet net for its optimum sealed alignment (F3 41.8 Hz, Qtc 0.80). The 12W3v3-4 wants 1.125 cubic feet net. The 12W3v3-8 uses similar sealed sizing to the -2. This cabinet is engineered specifically to hit the 12W3v3-2's spec exactly: 1.32 cubic feet gross minus the 0.071 cubic foot driver displacement equals 1.249 cubic feet net. Essentially exact match to JL's 1.250 spec for the 2-ohm variant.\u003c\/p\u003e\n    \u003ch3\u003eWhat the JL 2Ω Spec Delivers\u003c\/h3\u003e\n    \u003cp\u003eJL engineered the 12W3v3-2 for a Qtc of 0.80 in a 1.25 cubic foot sealed enclosure. That's a higher Qtc than the traditional \"flat\" 0.707 alignment, giving the driver a warm, impactful, midbass-forward bass character that works exceptionally well in daily-driven cars where cabin gain fills in the low end. If you want a subwoofer that sounds punchy and full without needing to run high volume levels to feel it, this alignment is perfect. Listeners looking for a flatter, more analytical alignment can use the 12W3v3-4 in this cabinet instead, the -4 in a slightly-larger-than-spec 1.249 volume trends toward Qtc 0.83, still on the warm side but flatter than the -2.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eThe vertical trunk-lid-side baffle is cut to the 12W3v3's exact 11.0625\" cutout specification. The 12W3v3's 6.65\" mounting depth fits comfortably inside the cabinet, internal depth from the vertical baffle to the interior of the angled seat-side face ranges from 8.25\" at the top to 13.5\" at the bottom, providing ample clearance for the driver's motor and cooling requirements. 8\/32 threaded inserts are pressed into the baffle backside for secure driver retention.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, and a longer service life under daily use at the 500 watts RMS the 12W3v3 handles.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the wedge cabinet fold into its angled shape with maximum glue surface. Dado joints lock the vertical woofer baffle and the angled seat-side panel into the side walls, no fasteners visible from outside, no exposed end grain at joints.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the vertical woofer baffle accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. The angled seat-side panel requires precise CNC compound cuts to hit both the volume target and the mating angles between the top and bottom edges. Tolerances that manual fabrication can't reliably hold. Internal volume is verified on every unit to ensure the JL-spec 1.25 cubic foot net target is achieved.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is the enclosure only. Bring your own JL Audio 12W3v3.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the JL Audio 12W3v3 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe JL Audio 12W3v3 is a single voice coil driver available in three impedance versions. The pre-wired terminal cup accepts the two-conductor connection via 12-gauge OFC, with stainless steel input hardware.\u003c\/p\u003e\n    \u003cp\u003eThe 12W3v3-2 (Single 2-ohm) presents a 2-ohm load directly to your amplifier, the most common choice, delivering the highest power output from most modern class D monoblocks. The 12W3v3-4 (Single 4-ohm) presents a 4-ohm load. Easier on both amp and driver for daily use. The 12W3v3-8 (Single 8-ohm) presents an 8-ohm load, rare, used mainly when running high-voltage amp bridges or matched with class AB amplifiers.\u003c\/p\u003e\n    \u003cp\u003eThe 12W3v3 is rated for 500 watts RMS continuous, with JL Audio recommending amplifier power in the 150 to 500 watt RMS range. Aim for a clean, well-regulated amplifier delivering 300 to 500 watts RMS at your chosen impedance for balanced output and long-term reliability.\u003c\/p\u003e\n    \u003cp\u003eImportant: JL Audio explicitly recommends against using this subwoofer with a passive crossover (coil), as this type of device will adversely affect performance. Use your amplifier's active low-pass filter to set the sub's upper cutoff, typically between 80 and 100 Hz for musical accuracy.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eJL's Spec Volume, in a Trunk-Load Wedge\u003c\/h2\u003e\n    \u003cp\u003e1.25 cubic feet net internal, JL Audio's published optimum sealed volume for the 12W3v3-2, in a trunk-friendly wedge geometry that fires the driver rearward into the trunk cavity. Precise driver-specific engineering for the W3 you already chose.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44528229580889,"sku":"PO 12-S W W3 BB","price":309.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871628377,"sku":"PO 12-S W W3 B","price":289.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO12-SWW3Front.png?v=1786844895"},{"product_id":"performance-optimized-wedge-sealed-13-enclosure-jl-audio-13w3v3-1","title":"JL Audio 13W3v3 Box: Sealed 13\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | JL Audio 13W3v3\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 13.5\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the JL Audio W3v3\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e1.85 ft³ Gross\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e1.75 ft³ Net (JL 2Ω Spec)\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e24\" × 16\" × 10.35\/16.2\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe JL Audio 13W3v3 in JL's Spec-Perfect Sealed Volume\u003c\/h2\u003e\n    \u003cp\u003eThe JL Audio 13W3v3 is JL's oversized 13.5\" driver, a 600 watt RMS workhorse that moves 54% more air than the 12W3v3, delivering deeper extension and higher output at the same amplifier power level. Available in Single 2-ohm (13W3v3-2), Single 4-ohm (13W3v3-4), and Single 8-ohm (13W3v3-8) configurations, this driver uses JL's DMA-optimized motor, a mineral-filled polypropylene cone, and JL's NBR rubber surround with Floating Cone Attach Method for long-term reliability under sustained daily use.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Wedge Sealed 13 for JL Audio W3 is engineered to hit JL's exact 13W3v3-2 sealed specification. 1.85 cubic feet gross internal volume minus the 13W3v3's 0.096 cubic foot driver displacement equals 1.754 cubic feet net. Matching JL's published 1.750 cubic foot sealed spec for both the 2-ohm and 8-ohm variants. In that alignment, the driver delivers F3 of 37.7 Hz and Qtc of 0.84, deep, warm, high-impact bass in a trunk-friendly wedge cabinet.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e1.85 cubic feet gross = 1.754 cubic feet net after the 13W3v3's 0.096 cubic foot driver displacement. Exact match to JL Audio's published sealed spec for the 13W3v3-2 and 13W3v3-8 (Qtc 0.84, F3 37.7 Hz). The 13W3v3-4 variant also fits this cabinet, running slightly larger than its 1.5 cu ft spec for a Qtc around 0.82. The wedge geometry mounts the woofer on the vertical trunk-lid-side face, firing rearward into the trunk cavity.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n    \u003cp\u003eThis wedge is not a front-firing enclosure. The woofer is mounted on the vertical face that sits at the back of the box, closest to the trunk lid, and fires rearward into the trunk cavity. The angled face is on the opposite side of the box, the side that faces the front of the vehicle, and tucks against the rear seat back. Two different problems solved by one geometry.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n        \u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge (10.35\" at the top, 16.2\" at the bottom) matches that lean, tucking against the seat back with no wasted gap. The wedge fills the trunk shelf area behind the seat cleanly.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n        \u003cp\u003eThe vertical face on the opposite side of the wedge (24\" wide × 16\" tall) is where the 13W3v3 mounts. The driver fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber. This is the classic SQ trunk-load install pattern.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n        \u003cp\u003eFiring the woofer into the trunk cavity rather than directly into the cabin uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the passenger cabin through the rear deck, seat back, and cabin boundaries, a smoother, less localized presentation than direct-firing setups.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n        \u003cp\u003eThe wedge tucks against the seat back where cargo can't be stored anyway. The bottom face sits flat and stable on the trunk floor. Cargo space in front of the wedge (toward the trunk lid) stays usable for daily driving.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered to JL Audio's Published Sealed Specification\u003c\/h2\u003e\n    \u003cp\u003eJL Audio publishes different sealed enclosure specs for each impedance variant of the 13W3v3. The 13W3v3-2 wants 1.750 cubic feet net (F3 37.7 Hz, Qtc 0.84). The 13W3v3-4 wants 1.500 cubic feet net (F3 40.4 Hz, Qtc 0.89). The 13W3v3-8 wants 1.750 cubic feet net (F3 39.6 Hz, Qtc 0.84). This cabinet is engineered specifically to hit the 1.75 cu ft target used by both the 2-ohm and 8-ohm variants: 1.85 cubic feet gross minus the 0.096 cubic foot driver displacement equals 1.754 cubic feet net. Essentially exact match.\u003c\/p\u003e\n    \u003ch3\u003eWhat the JL 2Ω Spec Delivers\u003c\/h3\u003e\n    \u003cp\u003eJL engineered the 13W3v3-2 for a Qtc of 0.84 in a 1.75 cubic foot sealed enclosure. That's a higher Qtc than the traditional \"flat\" 0.707 alignment, giving the driver a warm, impactful, midbass-forward bass character. Combined with the 13.5\" cone's deep F3 of 37.7 Hz, this alignment produces a bass presentation that reaches lower AND hits harder than the smaller W3v3 drivers can match, the reason to step up to the 13\" is precisely this combination of depth and impact from a single driver. Listeners looking for a flatter, more analytical alignment can use the 13W3v3-4 in this cabinet instead, the -4 in a slightly-larger-than-spec 1.754 volume trends toward Qtc 0.82, still warm but flatter than the -2 and -8.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eThe vertical trunk-lid-side baffle is cut to the 13W3v3's exact 12.5625\" cutout specification. The 13W3v3's 7.63\" mounting depth fits inside the cabinet, internal depth from the vertical baffle to the interior of the angled seat-side face ranges from 10.35\" at the top to 16.2\" at the bottom, providing ample clearance for the driver's motor and cooling requirements. 8\/32 threaded inserts are pressed into the baffle backside for secure driver retention. The 14\" outer diameter of the 13W3v3 sits within the 16\" tall baffle with adequate clearance for mounting flange.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, and a longer service life under daily use at the 600 watts RMS the 13W3v3 handles.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the wedge cabinet fold into its angled shape with maximum glue surface. Dado joints lock the vertical woofer baffle and the angled seat-side panel into the side walls, no fasteners visible from outside, no exposed end grain at joints.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the vertical woofer baffle accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. The angled seat-side panel requires precise CNC compound cuts to hit both the volume target and the mating angles between the top and bottom edges. Tolerances that manual fabrication can't reliably hold. Internal volume is verified on every unit to ensure the JL-spec 1.75 cubic foot net target is achieved.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is the enclosure only. Bring your own JL Audio 13W3v3.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the JL Audio 13W3v3 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe JL Audio 13W3v3 is a single voice coil driver available in three impedance versions. The pre-wired terminal cup accepts the two-conductor connection via 12-gauge OFC, with stainless steel input hardware.\u003c\/p\u003e\n    \u003cp\u003eThe 13W3v3-2 (Single 2-ohm) presents a 2-ohm load directly to your amplifier, the most common choice, delivering the highest power output from most modern class D monoblocks stable at 2 ohms. The 13W3v3-4 (Single 4-ohm) presents a 4-ohm load. Easier on both amp and driver for daily use. The 13W3v3-8 (Single 8-ohm) presents an 8-ohm load. Used mainly with high-voltage amp bridges or matched with class AB amplifiers.\u003c\/p\u003e\n    \u003cp\u003eThe 13W3v3 is rated for 600 watts RMS continuous, with JL Audio recommending amplifier power in the 150 to 600 watt RMS range. Aim for a clean, well-regulated amplifier delivering 400 to 600 watts RMS at your chosen impedance for balanced output and long-term reliability. JL Audio's own RD or XD series 600\/1 monoblocks are natural matches.\u003c\/p\u003e\n    \u003cp\u003eImportant: JL Audio explicitly recommends against using this subwoofer with a passive crossover (coil), as this type of device will adversely affect performance. Use your amplifier's active low-pass filter to set the sub's upper cutoff, typically between 80 and 100 Hz for musical accuracy.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eJL's Spec Volume for the 13, in a Trunk-Load Wedge\u003c\/h2\u003e\n    \u003cp\u003e1.75 cubic feet net internal, JL Audio's published optimum sealed volume for the 13W3v3-2 and 13W3v3-8, in a trunk-friendly wedge geometry that fires the 13.5\" cone rearward into the trunk cavity. Deep extension, high impact, precise driver-specific engineering.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44528233381977,"sku":"PO 13-S W W3 BB","price":339.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589870809177,"sku":"PO 13-S W W3 B","price":319.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO13-SWW3Front.png?v=1786844860"},{"product_id":"performance-optimized-wedge-sealed-12-enclosure-jl-audio-12tw3-d4","title":"JL Audio 12TW3 Box: Sealed 12\" Shallow Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | JL Audio 12TW3\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 12\" Shallow-Mount Sealed Wedge | Rear-Firing Trunk-Load for JL's Thin-Line 12TW3-D4\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e0.81 ft³ Gross\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e0.775 ft³ Net\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eUltra-Shallow Wedge\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e28.25\" × 14.5\" × 4.5\/9.89\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe JL Audio 12TW3-D4 in JL's Spec-Perfect Sealed Volume\u003c\/h2\u003e\n    \u003cp\u003eThe JL Audio 12TW3-D4 is JL's shallow-mount 12\" thin-line subwoofer, engineered around JL's patented concentric tube cone architecture to deliver full-size 12\" cone area from a driver that measures just 3.5\" mounting depth. This isn't a compromise driver, the TW3's engineering actually enables greater excursion than the standard W3v3, using a compressed motor structure placed forward inside the cone body itself. 400 watts RMS continuous with a mica-filled polypropylene cone, rubber surround, cast alloy basket, and JL's tab-ear mounting design for maximum cone area within its footprint.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Wedge Sealed 12 for JL Audio TW3 is built to JL's published sealed specification. 0.81 cubic feet gross internal volume, less the perimeter brace and the 12TW3-D4's 0.029 cubic foot driver displacement, leaves 0.775 cubic feet net, within 3 percent of JL's 0.80 cubic foot published sealed spec, for deep, controlled bass close to the alignment JL's engineers designed.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e0.81 cubic feet gross = 0.775 cubic feet net after the brace and the 12TW3-D4's 0.029 cubic foot driver displacement. Within 3 percent of JL Audio's published optimum sealed volume for the 12TW3-D4. The ultra-shallow wedge geometry, just 4.5\" deep at the top rising to 9.89\" at the bottom, is engineered around the TW3's 3.5\" mounting depth, mounting the driver on the vertical trunk-lid-side face and firing rearward into the trunk cavity.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWhy the TW3 Exists (and Why This Wedge Fits Where Others Can't)\u003c\/h2\u003e\n    \u003cp\u003eThe JL 12TW3-D4 was engineered for one specific mission: full-size 12\" bass in vehicles and configurations where a standard 12\" enclosure simply won't fit. Pickup trucks with cramped extended cabs. Sports cars with shallow parcel-shelf areas. Sedans with low decklid clearance. Vans and SUVs where cargo floor height is critical. Anywhere the front-to-back depth needed for a regular 12\" is unavailable.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Wedge Sealed 12 for JL Audio TW3 solves the same problem in wedge form. The vertical trunk-lid-side face where the woofer mounts is only 4.5\" deep at the top of the box, tapering to 9.89\" at the bottom. That means the top of the cabinet fits under low parcel shelves and rear seat backs that a full-depth wedge could never clear. Combined with the TW3's own 3.5\" mounting depth, this is one of the most vehicle-friendly full-size 12\" enclosures available.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n        \u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge (4.5\" at top, 9.89\" at bottom) matches that lean, tucking against the seat back with no wasted gap. The ultra-shallow top face slides under decklids and parcel shelves that block deeper cabinets.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n        \u003cp\u003eThe vertical face on the opposite side of the wedge (28.25\" wide × 14.5\" tall) is where the 12TW3-D4 mounts. The driver fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber, the classic SQ trunk-load install pattern, now available in shallow-mount format.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n        \u003cp\u003eFiring the woofer into the trunk cavity rather than directly into the cabin uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the passenger cabin through the rear deck, seat back, and cabin boundaries. Smoother than direct-firing setups.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eWide, Shallow Footprint\u003c\/h4\u003e\n        \u003cp\u003e28.25\" wide by 14.5\" tall by 4.5-9.89\" deep. Substantially wider than a standard 12\" cabinet but far shallower. Ideal for the space behind rear seat backs in trucks, under parcel shelves in sedans and coupes, and low-profile SUV cargo installations where depth is the limiting factor.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered to JL Audio's Published Sealed Specification\u003c\/h2\u003e\n    \u003cp\u003eJL Audio publishes exactly one recommended sealed enclosure volume for the 12TW3-D4: 0.80 cubic feet net internal. This spec is JL's own engineered target for the driver, the volume where the TW3's motor, suspension, and cone assembly deliver the balanced sealed response their engineers designed the driver for. The Performance Optimized Wedge Sealed 12 delivers 0.81 cubic feet gross internal, which after the brace and the 12TW3-D4's 0.029 cubic foot displacement lands at 0.775 cubic feet net. That is within 3 percent of JL's published spec, and puts system Qtc at 0.953 with Fc at 47.5 Hz and an F3 of 38.2 Hz, against 0.943 and 38.0 Hz at exactly 0.80.\u003c\/p\u003e\n    \u003ch3\u003eWhat the JL Spec Delivers\u003c\/h3\u003e\n    \u003cp\u003eThe 12TW3-D4 in a sealed alignment this close to JL's 0.80 cu ft spec delivers deep, controlled, musically accurate bass with excellent transient response, the character JL's engineers targeted. Because the TW3 was engineered from the ground up to work in small enclosures, this isn't a case of a driver being crammed into an undersized box for space reasons. The 0.80 cu ft target is where the driver sounds its best, not just where it fits.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry and Driver Fitment\u003c\/h3\u003e\n    \u003cp\u003eThe vertical trunk-lid-side baffle is cut to the 12TW3-D4's exact 11.625\" cutout specification. The 12TW3-D4's 3.5\" mounting depth fits inside the cabinet with clearance to spare. Internal depth behind the 1.5\" double baffle ranges from about 1.5\" at the top to about 6.9\" at the bottom. At the driver's mounting position at cabinet center that is about 4.2\", and the motor extends about 2\" past the baffle, leaving roughly 2\" of clearance behind it. JL's no-pole-vent motor design permits mounting close to the rear wall of an enclosure. Critical for shallow-cabinet applications like this one.\u003c\/p\u003e\n    \u003ch3\u003eTab-Ear Mounting\u003c\/h3\u003e\n    \u003cp\u003eThe TW3 uses JL's tab-ear mounting design, three plastic mounting ears extending outward from the driver frame, rather than a continuous perimeter flange. This maximizes cone area within the mounting footprint but requires specific mounting hardware: use #8 or #10 pan-head screws (NOT tapered\/countersunk), since countersunk screws can wedge the plastic ears outward under vibration and crack them over time. The Proline X wedge baffle is pre-drilled and threaded-insert equipped for the TW3's tab pattern with pan-head hardware included.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Especially important in a shallow cabinet where panel-to-air ratio is high. Panel resonance would color the sound more than in a deeper box, and Langboard's density minimizes that risk.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the wedge cabinet fold into its angled shape with maximum glue surface. Dado joints lock the vertical woofer baffle and the ultra-shallow angled seat-side panel into the side walls, no fasteners visible from outside, no exposed end grain at joints.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTW3-Specific Baffle Machining\u003c\/h4\u003e\n        \u003cp\u003eThe 11.625\" cutout is CNC-machined with the tab-ear mounting positions pre-drilled and 8\/32 threaded inserts pressed into the baffle backside. #8 pan-head stainless steel screws included, not countersunk, per JL's mounting requirements for the tab-ear design.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. The shallow wedge geometry requires precise CNC compound cuts, the 4.5\" top-face-to-9.89\" bottom-face depth transition over 14.5\" of height must be dimensionally perfect to hit both the volume target and the seat-side mating angles. Internal volume is verified on every unit against the 0.775 cubic foot net design figure.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard, a deep nap that suits blacked-out interiors and factory trunk liners alike.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is the enclosure only. Bring your own JL Audio 12TW3-D4, which JL offers in a single impedance version, dual 4-ohm.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the JL Audio 12TW3-D4 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe JL Audio 12TW3-D4 is a dual-voice-coil driver with both coils at 4 ohms. This gives you two standard wiring options via the pre-wired terminal cup.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eParallel wiring (2 ohm total load):\u003c\/strong\u003e Both voice coils in parallel presents a 2-ohm load to your amplifier, the higher-output configuration, ideal for modern class D monoblocks stable at 2 ohms. Recommended for maximizing SPL and power transfer from typical 300-500 watt monoblock amps.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eSeries wiring (8 ohm total load):\u003c\/strong\u003e Both voice coils in series presents an 8-ohm load, used mainly with bridged high-voltage amp configurations, class AB amplifiers, or multi-driver installs where impedance summing matters.\u003c\/p\u003e\n    \u003cp\u003eThe 12TW3-D4 is rated for 400 watts RMS continuous with a 100-400 watt RMS recommended amplifier range. Aim for a well-regulated monoblock delivering 300-400 watts RMS at your chosen impedance for the best combination of headroom, output, and long-term reliability. Set your amplifier's active low-pass filter between 80 and 100 Hz for musical accuracy.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eJL's Spec Volume for the Shallow 12, in a Wedge That Actually Fits\u003c\/h2\u003e\n    \u003cp\u003e0.775 cubic feet net internal, within 3 percent of JL Audio's published 0.80 optimum for the 12TW3-D4, in an ultra-shallow wedge geometry (4.5\" at the top) engineered around the TW3's 3.5\" mounting depth. Full-size 12\" cone area, real JL Audio bass, in vehicles where a standard 12\" enclosure simply won't fit.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44528237609049,"sku":"PO 12-S W TW3 BB","price":309.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871595609,"sku":"PO 12-S W TW3 B","price":289.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO12-SWTW3Front.png?v=1786844642"},{"product_id":"performance-optimized-wedge-sealed-10-enclosure-jl-audio-10tw3-d4","title":"JL Audio 10TW3 Box: Sealed 10\" Shallow Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | JL Audio 10TW3\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 10\" Shallow-Mount Sealed Wedge | Rear-Firing Trunk-Load for JL's Thin-Line 10TW3-D4\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e0.52 ft³ Gross\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e0.50 ft³ Net (JL Spec)\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eUltra-Shallow Wedge\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e23\" × 13\" × 4.5\/9.25\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe JL Audio 10TW3-D4 in JL's Spec-Perfect Sealed Volume\u003c\/h2\u003e\n    \u003cp\u003eThe JL Audio 10TW3-D4 is JL's shallow-mount 10\" thin-line subwoofer, 10 inches of cone area with just 3.25\" of mounting depth, and 15.2mm of one-way linear excursion (more than the standard W3v3 despite the shallow packaging). JL's patented concentric tube cone architecture places the motor structure forward inside the injection-molded cone body, letting this driver deliver full-size 10\" bass in enclosures that a conventional 10\" driver couldn't fit. 400 watts RMS continuous with a mica-injected polypropylene cone, rubber surround, cast alloy basket, and JL's tab-ear mounting design.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Wedge Sealed 10 for JL Audio TW3 is engineered to hit JL's exact published sealed specification. 0.52 cubic feet gross internal volume minus the 10TW3-D4's driver displacement lands at 0.50 cubic feet net, exact match to JL's published 0.50 cubic foot sealed spec, delivering the Qtc 0.96 warm\/impactful alignment JL's engineers targeted for the TW3 series.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e0.52 cubic feet gross = 0.50 cubic feet net after the 10TW3-D4's driver displacement. Exact match to JL Audio's published optimum sealed volume for the 10TW3-D4 (Qtc 0.96, F3 just above 40 Hz). The ultra-shallow wedge geometry, 4.5\" deep at the top rising to 9.25\" at the bottom, is engineered around the TW3's 3.25\" mounting depth, mounting the driver on the vertical trunk-lid-side face and firing rearward into the trunk cavity.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWhy the TW3 Exists (and Why This Wedge Fits Where Others Can't)\u003c\/h2\u003e\n    \u003cp\u003eThe JL 10TW3-D4 was engineered for one specific mission: full-size 10\" bass in vehicles and configurations where a standard 10\" enclosure won't fit. Extended-cab and crew-cab pickup trucks (where the driver commonly mounts under a rear seat that lifts up). Sports cars with shallow parcel-shelf areas. Sedans with low decklid clearance. SUVs where cargo floor height is critical. The 10TW3-D4 has been the reference under-seat subwoofer for years because of two specific numbers: 3.25\" mounting depth and 15.2mm one-way Xmax. Most shallow 10s give you one or the other. JL delivers both.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Wedge Sealed 10 for JL Audio TW3 solves the same space problem in trunk-load wedge form. The vertical trunk-lid-side face is only 4.5\" deep at the top, tapering to 9.25\" at the bottom, meaning the top of the cabinet slides under low parcel shelves and rear seat backs that a full-depth wedge could never clear. Combined with the TW3's own shallow mounting depth, this is one of the most vehicle-friendly full-size 10\" trunk-load enclosures available.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n        \u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge (4.5\" at top, 9.25\" at bottom) matches that lean, tucking against the seat back with no wasted gap. The ultra-shallow top face slides under decklids and parcel shelves that block deeper cabinets.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n        \u003cp\u003eThe vertical face on the opposite side of the wedge (23\" wide × 13\" tall) is where the 10TW3-D4 mounts. The driver fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber, the classic SQ trunk-load install pattern, now available in shallow-mount format.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n        \u003cp\u003eFiring the woofer into the trunk cavity rather than directly into the cabin uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the passenger cabin through the rear deck, seat back, and cabin boundaries. Smoother than direct-firing setups.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eCompact, Shallow Footprint\u003c\/h4\u003e\n        \u003cp\u003e23\" wide by 13\" tall by 4.5-9.25\" deep. Smaller cabinet than the 12\" TW3 wedge for tighter trunk installs, low-clearance SUV cargo floors, and coupe trunks where a 12\" simply won't fit. Same shallow top-face design principle: the 4.5\" top depth threads under obstructions that block conventional wedges.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered to JL Audio's Published Sealed Specification\u003c\/h2\u003e\n    \u003cp\u003eJL Audio publishes 0.50 cubic feet net internal as the recommended sealed enclosure for the 10TW3-D4. This is JL's own engineered target, the volume where the TW3's motor, suspension, and cone assembly deliver the sealed response their engineers designed the driver for. The Performance Optimized Wedge Sealed 10 delivers 0.52 cubic feet gross internal, which after subtracting the 10TW3-D4's driver displacement lands right at the 0.50 cubic foot JL spec.\u003c\/p\u003e\n    \u003ch3\u003eWhat the JL Spec Delivers\u003c\/h3\u003e\n    \u003cp\u003eThe 10TW3-D4 in its JL-spec 0.50 cu ft sealed alignment delivers a Qtc of approximately 0.96 with F3 just above 40 Hz, a slightly warm alignment with good upper-bass presence, ideal for daily-driven vehicles where cabin gain smooths out the low end. This is a musical, punchy character rather than a strictly flat one, which suits the typical use case for a shallow-mount driver in a truck, sports car, or compact vehicle. If you have room for a slightly larger enclosure (0.75 cu ft), the alignment flattens out to Qtc 0.86, but that's not this cabinet. This cabinet delivers exactly what JL specifies as optimum.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry and Driver Fitment\u003c\/h3\u003e\n    \u003cp\u003eThe vertical trunk-lid-side baffle is cut to the 10TW3-D4's exact 9.625\" cutout specification. The 10TW3-D4's 3.25\" mounting depth fits inside the cabinet with clearance. Internal depth from the vertical baffle to the interior of the angled seat-side face ranges from approximately 3.75\" at the top edge to 8.5\" at the bottom (after 3\/4\" MDF panel thickness), with the driver's mounting position at cabinet center providing well over 5\" of clearance behind the motor. JL's no-pole-vent motor design permits mounting close to the rear wall of an enclosure, the driver requires only 0.25\" of rear clearance to breathe.\u003c\/p\u003e\n    \u003ch3\u003eTab-Ear Mounting\u003c\/h3\u003e\n    \u003cp\u003eThe TW3 uses JL's tab-ear mounting design, plastic mounting ears extending outward from the driver frame, rather than a continuous perimeter flange. This maximizes cone area within the mounting footprint but requires specific mounting hardware: use #8 or #10 pan-head screws (NOT tapered\/countersunk), since countersunk screws can wedge the plastic ears outward under vibration and crack them over time. The Proline X wedge baffle is pre-drilled and threaded-insert equipped for the TW3's tab pattern with pan-head hardware included.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Especially important in a shallow cabinet where panel-to-air ratio is high. Panel resonance would color the sound more than in a deeper box, and Langboard's density minimizes that risk.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the wedge cabinet fold into its angled shape with maximum glue surface. Dado joints lock the vertical woofer baffle and the ultra-shallow angled seat-side panel into the side walls, no fasteners visible from outside, no exposed end grain at joints.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTW3-Specific Baffle Machining\u003c\/h4\u003e\n        \u003cp\u003eThe 9.625\" cutout is CNC-machined with the tab-ear mounting positions pre-drilled and 8\/32 threaded inserts pressed into the baffle backside. #8 pan-head stainless steel screws included, not countersunk, per JL's mounting requirements for the tab-ear design.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. The shallow wedge geometry requires precise CNC compound cuts, the 4.5\" top-face-to-9.25\" bottom-face depth transition over 13\" of height must be dimensionally perfect to hit both the JL-spec volume target and the correct 20-degree seat-side mating angle. Internal volume is verified on every unit to ensure the JL-spec 0.50 cubic foot net target is achieved.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is the enclosure only. Bring your own JL Audio 10TW3.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the JL Audio 10TW3-D4 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe JL Audio 10TW3-D4 is a dual-voice-coil driver with both coils at 4 ohms. This gives you two standard wiring options via the pre-wired terminal cup.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eParallel wiring (2 ohm total load):\u003c\/strong\u003e Both voice coils in parallel presents a 2-ohm load to your amplifier, the higher-output configuration, ideal for modern class D monoblocks stable at 2 ohms. Recommended for maximizing SPL and power transfer from typical 300-400 watt monoblock amps. This is the standard wiring for single-driver installs.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eSeries wiring (8 ohm total load):\u003c\/strong\u003e Both voice coils in series presents an 8-ohm load, used mainly with bridged high-voltage amp configurations, class AB amplifiers, or multi-driver installs where impedance summing matters.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eAlternative driver: 10TW3-D8.\u003c\/strong\u003e If you're building a multi-driver system, JL Audio also offers the 10TW3-D8 (Dual 8-ohm) variant, which pairs better in dual-driver configurations at 2 ohms total (each driver wired parallel to 4 ohms, then two drivers wired parallel to 2 ohms). Either D4 or D8 variant fits this cabinet identically.\u003c\/p\u003e\n    \u003cp\u003eThe 10TW3-D4 is rated for 400 watts RMS continuous with a 100-400 watt RMS recommended amplifier range. Aim for a well-regulated monoblock delivering 300-400 watts RMS at your chosen impedance for the best combination of headroom, output, and long-term reliability. Set your amplifier's active low-pass filter between 80 and 100 Hz for musical accuracy.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eJL's Spec Volume for the Shallow 10, in a Wedge That Actually Fits\u003c\/h2\u003e\n    \u003cp\u003e0.50 cubic feet net internal, JL Audio's published optimum sealed volume for the 10TW3-D4, in an ultra-shallow wedge geometry (4.5\" at the top) engineered around the TW3's 3.25\" mounting depth. Full-size 10\" cone area with 15.2mm Xmax, real JL Audio bass, in vehicles where a standard 10\" enclosure simply won't fit.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44528245964889,"sku":"PO 10-S W TW3 BB","price":289.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871202393,"sku":"PO 10-S W TW3 B","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO10-SWTW3Front.png?v=1786844823"},{"product_id":"performance-optimized-wedge-sealed-13-enclosure-jl-audio-13tw5v2","title":"JL Audio 13TW5v2 Box: Sealed 13\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | JL Audio 13TW5v2\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 13.5\" Premium Shallow-Mount Sealed Wedge | Rear-Firing Trunk-Load for JL's Flagship Thin-Line\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e0.852 ft³ Gross\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e0.80 ft³ Net (JL Spec)\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eUltra-Shallow Wedge\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e28.34\" × 15.9\" × 4.12\/9.89\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe JL Audio 13TW5v2 in JL's Spec-Perfect Sealed Volume\u003c\/h2\u003e\n    \u003cp\u003eThe JL Audio 13TW5v2 is JL's flagship thin-line subwoofer, a 13.5-inch cone driven by a massive 7-inch voice coil, packaged in a 2.625\" mounting depth footprint. Built around JL's patented concentric tube suspension with a Santoprene surround (a step up from the TW3's rubber surround), a mica-injected polypropylene cone, and JL's Dynamic Motor Analysis-optimized motor structure, this driver represents the current state of the art in shallow-mount subwoofer engineering. 600 watts RMS continuous, 11mm one-way Xmax, and enclosure requirements that fit where conventional 12s and 13s cannot.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Wedge Sealed 13 for JL Audio TW5 is engineered to hit JL's exact published sealed specification. 0.852 cubic feet gross internal volume minus the 13TW5v2's 0.052 cubic foot driver displacement equals 0.800 cubic feet net, exact match to JL's 0.80 cubic foot published sealed spec, delivering the alignment JL's engineers targeted for this flagship driver.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e0.852 cubic feet gross = 0.800 cubic feet net after the 13TW5v2's 0.052 cubic foot driver displacement. Exact match to JL Audio's published optimum sealed volume for the 13TW5v2. The ultra-shallow wedge geometry, 4.12\" deep at the top rising to 9.89\" at the bottom, is engineered around the TW5's 2.625\" mounting depth, mounting the driver on the vertical trunk-lid-side face and firing rearward into the trunk cavity.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWhy the TW5v2 Exists (Full-Size 13.5\" Bass in a 2.625\" Footprint)\u003c\/h2\u003e\n    \u003cp\u003eThe 13TW5v2 was engineered around a single premise: what if you could get flagship 13.5\" subwoofer performance in a mounting depth that fits under a truck seat, behind a sports car parcel shelf, or in the tight cargo bay of a compact SUV? JL's answer is the concentric tube suspension system, a patented architecture that supports a 7-inch voice coil and delivers 11mm of one-way Xmax while collapsing the entire driver profile to just 2.625\" of mounting depth.\u003c\/p\u003e\n    \u003cp\u003eThe result is a driver that sits in JL's lineup between the standard W3v3 and W6v3 in market position, but occupies its own unique category in cabinet requirements. JL specifies exactly 0.80 cubic feet net internal for the sealed alignment. Smaller than what a standard 12\" W6v3 requires (1.0 cu ft), let alone what a standard 13\" W3v3 wants (1.5-1.75 cu ft depending on impedance). And the mounting depth is less than half the 7.63\" that the standard 13W3v3 requires. This is a driver that lets you install a real 13.5\" cone in vehicles where a 13W3v3 or 13W6v3 simply cannot fit.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n        \u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge (4.12\" at top, 9.89\" at bottom) matches that lean, tucking against the seat back with no wasted gap. The ultra-shallow 4.12\" top face slides under decklids and parcel shelves that block deeper cabinets.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n        \u003cp\u003eThe vertical face on the opposite side of the wedge (28.34\" wide × 15.9\" tall) is where the 13TW5v2 mounts. The driver fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber, the classic SQ trunk-load install pattern, now in shallow-mount 13.5\" format.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n        \u003cp\u003eFiring the woofer into the trunk cavity rather than directly into the cabin uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the passenger cabin through the rear deck, seat back, and cabin boundaries. Smoother than direct-firing setups.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e13.5\" Cone, Slim Cabinet\u003c\/h4\u003e\n        \u003cp\u003e28.34\" wide by 15.9\" tall by 4.12-9.89\" deep. Substantially smaller in every dimension than a full-depth 13W3v3 enclosure. The 4.12\" top depth is the standout number: this cabinet's top edge fits under obstructions that no full-depth 13\" wedge could clear.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered to JL Audio's Published Sealed Specification\u003c\/h2\u003e\n    \u003cp\u003eJL Audio publishes exactly one recommended sealed enclosure volume for the 13TW5v2: 0.80 cubic feet net internal. This spec is JL's own engineered target for the driver, the volume where the TW5's concentric tube suspension, motor structure, and cone assembly deliver the balanced response their engineers designed the driver for. The Performance Optimized Wedge Sealed 13 delivers 0.852 cubic feet gross internal, which after subtracting the 13TW5v2's 0.052 cubic foot displacement lands exactly at the 0.80 cubic foot JL spec.\u003c\/p\u003e\n    \u003ch3\u003eSealed Only (Never Ported)\u003c\/h3\u003e\n    \u003cp\u003eJL Audio specifically optimizes the 13TW5v2 for sealed enclosures only. Ported operation significantly increases the risk of cone unloading (over-excursion below the port tuning frequency), which can permanently damage the unique concentric tube suspension system. This cabinet is engineered for exactly that reason: a sealed alignment at JL's exact spec, with no venting, no port tuning to worry about, and no risk of suspension damage from unloading.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry and Driver Fitment\u003c\/h3\u003e\n    \u003cp\u003eThe vertical trunk-lid-side baffle is cut to the 13TW5v2's exact 12.5\" cutout specification. The 13TW5v2's 2.625\" mounting depth fits inside the cabinet with clearance. Internal depth from the vertical baffle to the interior of the angled seat-side face ranges from approximately 3.37\" at the top edge to 9.14\" at the bottom (after 3\/4\" MDF panel thickness), with the driver's mounting position at cabinet center providing over 5.6\" of clearance behind the motor. The 14.2\" overall driver diameter fits within the 15.9\" tall baffle with room for the mounting flange, and the 13.5\" bolt hole circle is pre-drilled with 8\/32 threaded inserts.\u003c\/p\u003e\n    \u003ch3\u003eDamping and Cabinet Considerations\u003c\/h3\u003e\n    \u003cp\u003eThe 13TW5v2 is highly air-displacement sensitive due to its concentric tube suspension. Over-damping with excessive polyfill can restrict cone motion and choke the low end. The Performance Optimized Wedge Sealed 13 uses a light polyfill layer on the interior side walls only, no packing around the driver, no over-stuffed cabinets. Just enough damping to control internal reflections without impeding the suspension's freedom to move.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Premium Driver Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Critical in a shallow cabinet housing a 600W RMS driver: panel resonance would color the sound and MDF creep would allow air leaks over time. Langboard's density and stability address both.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the wedge cabinet fold into its angled shape with maximum glue surface. Dado joints lock the vertical woofer baffle and the ultra-shallow angled seat-side panel into the side walls, no fasteners visible from outside, no exposed end grain at joints.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eStandard Round Baffle Cutout\u003c\/h4\u003e\n        \u003cp\u003eUnlike the TW3's tab-ear mounting, the TW5v2 uses a standard perimeter mounting flange with 13.5\" bolt circle. The 12.5\" cutout is CNC-machined with the bolt pattern pre-drilled and 8\/32 threaded inserts pressed into the baffle backside. Stainless steel machine screws included, installer's choice of pan-head or button-head cosmetically, both mechanically identical.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. The shallow wedge geometry requires precise CNC compound cuts, the 4.12\" top-face-to-9.89\" bottom-face depth transition over 15.9\" of height must be dimensionally perfect to hit both the JL-spec 0.80 cu ft net target and the correct 20-degree seat-side mating angle. Internal volume is verified on every unit.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is the enclosure only. Bring your own JL Audio 13TW5v2.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the JL Audio 13TW5v2 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe JL Audio 13TW5v2 is a single-voice-coil driver available in two impedance versions. The pre-wired terminal cup accepts the two-conductor connection via 12-gauge OFC, with stainless steel input hardware.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003e13TW5v2-2 (Single 2-ohm):\u003c\/strong\u003e Presents a 2-ohm load directly to your amplifier, the higher-output configuration, ideal for modern class D monoblocks stable at 2 ohms. Recommended for maximizing power transfer and SPL output. Most single-driver installs pair with a class D monoblock at 2 ohms delivering the TW5v2's rated 400-600 watts RMS.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003e13TW5v2-4 (Single 4-ohm):\u003c\/strong\u003e Presents a 4-ohm load, easier on both amp and driver, ideal for dual-driver installs (two 4-ohm drivers wired in parallel present a 2-ohm total load) or with amplifiers optimized for 4-ohm output.\u003c\/p\u003e\n    \u003cp\u003eThe 13TW5v2 is rated for 600 watts RMS continuous with a 250-600 watt RMS recommended amplifier range. Aim for a well-regulated monoblock delivering 400-600 watts RMS at your chosen impedance. Important: this driver benefits from a subsonic filter set around 25-30 Hz to prevent over-excursion below its Fs (27.6 Hz). Set your amplifier's active low-pass filter between 80 and 100 Hz for musical accuracy.\u003c\/p\u003e\n    \u003cp\u003eImportant: JL Audio explicitly recommends against using this subwoofer with a passive crossover (coil), as this type of device will adversely affect performance. Active crossovers only.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eJL's Flagship 13.5\" Thin-Line, in a Trunk-Load Wedge That Fits\u003c\/h2\u003e\n    \u003cp\u003e0.80 cubic feet net internal, JL Audio's published optimum sealed volume for the 13TW5v2, in an ultra-shallow wedge geometry (4.12\" at the top) engineered around the TW5's 2.625\" mounting depth. Full-size 13.5\" cone area, 600 watts RMS, premium Santoprene suspension, in vehicles where a standard 13\" enclosure simply won't fit.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44528262578265,"sku":"PO 13-S W TW5 BB","price":349.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871890521,"sku":"PO 13-S W TW5 B","price":329.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO_13-S_W_TW5_Front.jpg?v=1790365830"},{"product_id":"performance-optimized-wedge-sealed-12-enclosure-rockford-fosgate-t1d212","title":"Rockford Fosgate T1D212 Box: Sealed 12\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Rockford Fosgate T1D212\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 12\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the Rockford Fosgate T1 Power Series\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e1.55 ft³ Gross\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e1.25 ft³ Net (RF Spec)\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e24.4\" × 15\" × 9.4\/14.85\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe Rockford Fosgate T1D212 in RF's Spec-Perfect Sealed Volume\u003c\/h2\u003e\n    \u003cp\u003eThe Rockford Fosgate T1D212 is the current-generation Power T1 series 12-inch subwoofer, engineered around Rockford's patented VAST (Vertical Attach Surround Technique) technology that increases effective radiating cone area by up to 25% over conventional 12\" drivers. 800 watts RMS CEA-2031 compliant power handling, dual 2-ohm voice coils, 16mm one-way Xmax, a rigid die-cast aluminum FlexFit basket, Kevlar fiber reinforced paper cone, anodized aluminum voice coil former for superior heat dissipation, and Klippel-verified design tolerances. This is Rockford's flagship SPL-capable 12\" driver.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Wedge Sealed 12 for Rockford Fosgate T1 is engineered to hit RF's exact published sealed specification. 1.55 cubic feet gross internal volume minus the T1D212's 0.304 cubic foot total driver displacement lands at 1.246 cubic feet net, essentially exact match to Rockford's 1.25 cubic foot published sealed spec, delivering the alignment RF's engineers designed the T1D212 to operate in.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e1.55 cubic feet gross = 1.246 cubic feet net after the T1D212's 0.304 cubic foot total driver displacement. Essentially exact match to Rockford Fosgate's published 1.25 cubic foot sealed spec for the T1D212. The wedge geometry mounts the woofer on the vertical trunk-lid-side face, firing rearward into the trunk cavity. Classic SQ trunk-load pattern applied to Rockford's SPL-capable T1 platform.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n    \u003cp\u003eThis wedge is not a front-firing enclosure. The woofer is mounted on the vertical face that sits at the back of the box, closest to the trunk lid, and fires rearward into the trunk cavity. The angled face is on the opposite side of the box, the side that faces the front of the vehicle, and tucks against the rear seat back. Two different problems solved by one geometry.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n        \u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge (9.4\" at the top, 14.85\" at the bottom) matches that lean, tucking against the seat back with no wasted gap. The wedge fills the trunk shelf area behind the seat cleanly.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n        \u003cp\u003eThe vertical face on the opposite side of the wedge (24.4\" wide × 15\" tall) is where the T1D212 mounts. The driver fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber. This is the classic SQ trunk-load install pattern applied to Rockford's SPL-oriented T1 series.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n        \u003cp\u003eFiring the woofer into the trunk cavity rather than directly into the cabin uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the passenger cabin through the rear deck, seat back, and cabin boundaries, a smoother, less-localized presentation than direct-firing setups, and particularly effective for a high-output driver like the T1D212 where cabin standing waves need control.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n        \u003cp\u003eThe wedge tucks against the seat back where cargo can't be stored anyway. The bottom face sits flat and stable on the trunk floor. Cargo space in front of the wedge (toward the trunk lid) stays usable for daily driving.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered to Rockford Fosgate's Published Sealed Specification\u003c\/h2\u003e\n    \u003cp\u003eRockford Fosgate publishes exactly 1.25 cubic feet net internal as the recommended sealed enclosure volume for the T1D212. This spec is RF's own engineered target, the volume where the T1's motor structure, VAST-enhanced cone assembly, and progressive-roll spider suspension deliver the sealed response their Klippel-verified design targets. The Performance Optimized Wedge Sealed 12 delivers 1.55 cubic feet gross internal, which after subtracting the T1D212's total driver displacement of 0.304 cubic feet lands at 1.246 cubic feet net. Right on RF's published spec.\u003c\/p\u003e\n    \u003ch3\u003eSealed vs. Ported for the T1D212\u003c\/h3\u003e\n    \u003cp\u003eThe T1D212 is a versatile driver that Rockford supports both sealed (1.25 cu ft) and vented (1.75 cu ft) applications for. Sealed operation delivers the tightest, most controlled bass response, ideal for musical accuracy, sound quality installs, and daily-driven vehicles where cabin gain rewards a slightly warmer alignment. If you're building a maximum-SPL system or want the peak-tuned resonance boost of a ported enclosure, RF's 1.75 cu ft vented spec is worth considering as a separate build. This cabinet is engineered specifically for RF's sealed alignment, the SQ-oriented, musically accurate side of the T1D212's capabilities.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry and Driver Fitment\u003c\/h3\u003e\n    \u003cp\u003eThe vertical trunk-lid-side baffle is cut to the T1D212's exact 11.25\" cutout specification. The T1D212's 6.75\" mounting depth fits inside the cabinet with clearance. Internal depth from the vertical baffle to the interior of the angled seat-side face ranges from approximately 8.65\" at the top edge to 14.1\" at the bottom (after accounting for 3\/4\" MDF panel thickness), with the driver's mounting position at cabinet center providing over 10.6\" of clearance behind the motor. That's ample room for the T1's substantial magnet structure and inductive damping heat sink, and gives the motor breathing room to dissipate the thermal load of 800W RMS operation.\u003c\/p\u003e\n    \u003ch3\u003eFlexFit Basket Consideration\u003c\/h3\u003e\n    \u003cp\u003eThe T1D212 uses Rockford's FlexFit basket, a slot-mounted frame pattern that allows fine-tuning of the driver's rotational mounting position. The Proline X wedge baffle is drilled with a standard 8-hole bolt pattern compatible with the T1D212's slotted mounting geometry. Threaded 8\/32 inserts pressed into the baffle backside accept stainless steel machine screws included with the enclosure.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Built for 800W RMS Operation\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Critical for an enclosure housing an 800 watts RMS driver: panel resonance would color the sound and MDF creep would allow air leaks over time under sustained high-power operation. Langboard's density and stability address both.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the wedge cabinet fold into its angled shape with maximum glue surface. Dado joints lock the vertical woofer baffle and the angled seat-side panel into the side walls, no fasteners visible from outside, no exposed end grain at joints, no compromise on structural integrity under high-excursion driver operation.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the vertical woofer baffle accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around. Full compatibility with the T1D212's FlexFit slot-mounted frame pattern.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side. Sized to comfortably handle the T1D212's 800W RMS power delivery.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. The angled seat-side panel requires precise CNC compound cuts to hit both the volume target and the mating angles between the top and bottom edges. Tolerances that manual fabrication can't reliably hold. Internal volume is verified on every unit to ensure the RF-spec 1.25 cubic foot net target is achieved.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is for the enclosure only. Drop in your existing Rockford Fosgate T1D212 (Dual 2-ohm) or T1D412 (Dual 4-ohm) subwoofer, the cabinet fits both variants identically since RF publishes the same 1.25 cu ft sealed spec across the T1 12\" line. Source your driver from any authorized Rockford Fosgate dealer.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the Rockford Fosgate T1D212 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe Rockford Fosgate T1D212 is a dual-voice-coil driver with both coils at 2 ohms, using RF's SWIFT terminal system that allows quick reconfiguration between series and parallel wiring. The pre-wired terminal cup accepts the two-conductor connection via 12-gauge OFC, with stainless steel input hardware.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eParallel wiring (1 ohm total load):\u003c\/strong\u003e Both voice coils in parallel via SWIFT terminals presents a 1-ohm load to your amplifier, the highest-output configuration, ideal for RF's own Power T500-1bdCP or T750-1bdCP monoblock amplifiers, or any modern class D monoblock stable at 1 ohm. This is the standard high-SPL wiring configuration.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eSeries wiring (4 ohm total load):\u003c\/strong\u003e Both voice coils in series via SWIFT terminals presents a 4-ohm load. Used with amplifiers that don't support 1-ohm stable operation, or in dual-driver installs where paralleling two 4-ohm loads at the amp gets you back to a 2-ohm total. Also compatible with class AB amplifiers preferring higher impedance loads.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eT1D412 alternative:\u003c\/strong\u003e Rockford also offers the T1D412 (Dual 4-ohm) variant for installs where 2-ohm parallel (T1D412 wired parallel = 2 ohms) or 8-ohm series operation is preferred. Either variant fits this cabinet identically.\u003c\/p\u003e\n    \u003cp\u003eThe T1D212 is rated for 800 watts RMS continuous (CEA-2031 compliant) with 1600W peak handling. Aim for a well-regulated monoblock delivering 600-800 watts RMS at your chosen impedance for the best combination of headroom, dynamic capability, and long-term reliability. Rockford Fosgate's own Power T-series amplifiers are natural matches. Set your amplifier's active low-pass filter between 80 and 100 Hz for musical accuracy in a full-range system.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects on the enclosure. Your Rockford Fosgate T1D212 subwoofer is covered by Rockford's own 1-year warranty when purchased through an authorized RF dealer. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eRockford's Flagship 12\" Power Sub, in a Spec-Perfect Trunk-Load Wedge\u003c\/h2\u003e\n    \u003cp\u003e1.25 cubic feet net internal, Rockford Fosgate's published optimum sealed volume for the T1D212, in a trunk-friendly wedge geometry that fires the VAST-enhanced 12\" cone rearward into the trunk cavity. 800 watts RMS ready, precision driver-specific engineering, built to order in Tennessee.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44529224220761,"sku":"PO 12-S W T1 BB","price":329.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871857753,"sku":"PO 12-S W T1 B","price":309.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO12-SWT1Front.png?v=1786848900"},{"product_id":"performance-optimized-wedge-sealed-10-enclosure-rockford-fosgate-t1d210","title":"Rockford Fosgate T1D210 Box: Sealed 10\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Rockford Fosgate T1D210\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 10\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the Rockford Fosgate T1 Power Series\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e0.95 ft³ Gross\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e0.75 ft³ Net (RF Spec)\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e20.75\" × 13.5\" × 8.125\/13\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe Rockford Fosgate T1D210 in RF's Spec-Perfect Sealed Volume\u003c\/h2\u003e\n    \u003cp\u003eThe Rockford Fosgate T1D210 is the current-generation Power T1 series 10-inch subwoofer, engineered around Rockford's patented VAST (Vertical Attach Surround Technique) technology that increases effective radiating cone area by up to 25% over conventional 10\" drivers. 600 watts RMS CEA-2031 compliant power handling, 1200 watts peak, dual 2-ohm voice coils, 16mm one-way Xmax, a rigid die-cast aluminum FlexFit basket, Kevlar fiber reinforced paper cone, anodized aluminum voice coil former for superior heat dissipation, and Klippel-verified design tolerances. Same core engineering as its larger T1D212 sibling, sized for smaller trunks and installations where a 12\" won't fit.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Wedge Sealed 10 for Rockford Fosgate T1 is engineered to hit RF's exact published sealed specification. 0.95 cubic feet gross internal volume minus the T1D210's 0.204 cubic foot total driver displacement lands at 0.746 cubic feet net, essentially exact match to Rockford's 0.75 cubic foot published sealed spec, delivering the alignment RF's engineers designed the T1D210 to operate in.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e0.95 cubic feet gross = 0.746 cubic feet net after the T1D210's 0.204 cubic foot total driver displacement. Essentially exact match to Rockford Fosgate's published 0.75 cubic foot sealed spec for the T1D210. The wedge geometry mounts the woofer on the vertical trunk-lid-side face, firing rearward into the trunk cavity. Classic SQ trunk-load pattern applied to Rockford's SPL-capable T1 platform.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n    \u003cp\u003eThis wedge is not a front-firing enclosure. The woofer is mounted on the vertical face that sits at the back of the box, closest to the trunk lid, and fires rearward into the trunk cavity. The angled face is on the opposite side of the box, the side that faces the front of the vehicle, and tucks against the rear seat back. Two different problems solved by one geometry.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n        \u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge (8.125\" at the top, 13\" at the bottom) matches that lean, tucking against the seat back with no wasted gap. The compact 10\" cabinet footprint fits trunks where the larger 12\" T1 wedge would be too big.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n        \u003cp\u003eThe vertical face on the opposite side of the wedge (20.75\" wide × 13.5\" tall) is where the T1D210 mounts. The driver fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber. This is the classic SQ trunk-load install pattern applied to Rockford's SPL-oriented T1 series.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n        \u003cp\u003eFiring the woofer into the trunk cavity rather than directly into the cabin uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the passenger cabin through the rear deck, seat back, and cabin boundaries, a smoother, less-localized presentation than direct-firing setups.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eCompact Footprint, Full-Power 10\"\u003c\/h4\u003e\n        \u003cp\u003e20.75\" wide by 13.5\" tall by 8.125-13\" deep. Smaller than the 12\" T1 wedge in every dimension while still delivering RF's 600 watt RMS 10\" performance. Fits in compact sedan trunks, coupe cargo areas, and vehicles where the larger 12\" cabinet won't clear parcel shelves or wheelwells.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered to Rockford Fosgate's Published Sealed Specification\u003c\/h2\u003e\n    \u003cp\u003eRockford Fosgate publishes exactly 0.75 cubic feet net internal as the recommended sealed enclosure volume for the T1D210. This spec is RF's own engineered target, the volume where the T1's motor structure, VAST-enhanced cone assembly, and progressive-roll spider suspension deliver the sealed response their Klippel-verified design targets. The Performance Optimized Wedge Sealed 10 delivers 0.95 cubic feet gross internal, which after subtracting the T1D210's total driver displacement of 0.204 cubic feet lands at 0.746 cubic feet net. Right on RF's published spec.\u003c\/p\u003e\n    \u003ch3\u003eSealed vs. Ported for the T1D210\u003c\/h3\u003e\n    \u003cp\u003eThe T1D210 is a versatile driver that Rockford supports both sealed (0.75 cu ft) and vented (1.5 cu ft) applications for. Sealed operation delivers the tightest, most controlled bass response, ideal for musical accuracy, sound quality installs, and daily-driven vehicles where cabin gain rewards a slightly warmer alignment. If you're building a maximum-SPL system or want the peak-tuned resonance boost of a ported enclosure, RF's 1.5 cu ft vented spec is worth considering as a separate build. This cabinet is engineered specifically for RF's sealed alignment, the SQ-oriented, musically accurate side of the T1D210's capabilities.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry and Driver Fitment\u003c\/h3\u003e\n    \u003cp\u003eThe vertical trunk-lid-side baffle is cut to the T1D210's exact 9.0625\" cutout specification. The T1D210's 6.375\" mounting depth fits inside the cabinet with clearance. Internal depth from the vertical baffle to the interior of the angled seat-side face ranges from approximately 7.375\" at the top edge to 12.25\" at the bottom (after accounting for 3\/4\" MDF panel thickness), with the driver's mounting position at cabinet center providing over 9.5\" of clearance behind the motor. Ample room for the T1's substantial magnet structure and inductive damping heat sink.\u003c\/p\u003e\n    \u003ch3\u003eFlexFit Basket Consideration\u003c\/h3\u003e\n    \u003cp\u003eThe T1D210 uses Rockford's FlexFit basket, a slot-mounted frame pattern that allows fine-tuning of the driver's rotational mounting position. The Proline X wedge baffle is drilled with a standard 8-hole bolt pattern compatible with the T1D210's slotted mounting geometry. Threaded 8\/32 inserts pressed into the baffle backside accept stainless steel machine screws included with the enclosure.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Built for 600W RMS Operation\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Necessary for an enclosure housing a 600 watts RMS driver: panel resonance would color the sound and MDF creep would allow air leaks over time under sustained high-power operation. Langboard's density and stability address both.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the wedge cabinet fold into its angled shape with maximum glue surface. Dado joints lock the vertical woofer baffle and the angled seat-side panel into the side walls, no fasteners visible from outside, no exposed end grain at joints, no compromise on structural integrity under high-excursion driver operation.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the vertical woofer baffle accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around. Full compatibility with the T1D210's FlexFit slot-mounted frame pattern.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side. Sized to comfortably handle the T1D210's 600W RMS power delivery.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. The angled seat-side panel requires precise CNC compound cuts to hit both the volume target and the mating angles between the top and bottom edges. Tolerances that manual fabrication can't reliably hold. Internal volume is verified on every unit to ensure the RF-spec 0.75 cubic foot net target is achieved.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is for the enclosure only. Drop in your existing Rockford Fosgate T1D210 (Dual 2-ohm) or T1D410 (Dual 4-ohm) subwoofer, the cabinet fits both variants identically since RF publishes the same 0.75 cu ft sealed spec across the T1 10\" line. Source your driver from any authorized Rockford Fosgate dealer.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the Rockford Fosgate T1D210 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe Rockford Fosgate T1D210 is a dual-voice-coil driver with both coils at 2 ohms, using RF's SWIFT terminal system that allows quick reconfiguration between series and parallel wiring. The pre-wired terminal cup accepts the two-conductor connection via 12-gauge OFC, with stainless steel input hardware.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eParallel wiring (1 ohm total load):\u003c\/strong\u003e Both voice coils in parallel via SWIFT terminals presents a 1-ohm load to your amplifier, the highest-output configuration, ideal for RF's own Power T500-1bdCP monoblock amplifier, or any modern class D monoblock stable at 1 ohm. This is the standard high-SPL wiring configuration.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eSeries wiring (4 ohm total load):\u003c\/strong\u003e Both voice coils in series via SWIFT terminals presents a 4-ohm load. Used with amplifiers that don't support 1-ohm stable operation, or in dual-driver installs where paralleling two 4-ohm loads at the amp gets you back to a 2-ohm total. Also compatible with class AB amplifiers preferring higher impedance loads.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eT1D410 alternative:\u003c\/strong\u003e Rockford also offers the T1D410 (Dual 4-ohm) variant for installs where 2-ohm parallel (T1D410 wired parallel = 2 ohms) or 8-ohm series operation is preferred. Either variant fits this cabinet identically.\u003c\/p\u003e\n    \u003cp\u003eThe T1D210 is rated for 600 watts RMS continuous (CEA-2031 compliant) with 1200W peak handling. Aim for a well-regulated monoblock delivering 400-600 watts RMS at your chosen impedance for the best combination of headroom, dynamic capability, and long-term reliability. Rockford Fosgate's own Power T500-1bdCP is a natural match, delivering full rated output at 1-ohm parallel via SWIFT terminals. Set your amplifier's active low-pass filter between 80 and 100 Hz for musical accuracy in a full-range system.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects on the enclosure. Your Rockford Fosgate T1D210 subwoofer is covered by Rockford's own 1-year warranty when purchased through an authorized RF dealer. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eRockford's Power Series 10\" Sub, in a Spec-Perfect Trunk-Load Wedge\u003c\/h2\u003e\n    \u003cp\u003e0.75 cubic feet net internal, Rockford Fosgate's published optimum sealed volume for the T1D210, in a trunk-friendly wedge geometry that fires the VAST-enhanced 10\" cone rearward into the trunk cavity. 600 watts RMS ready, precision driver-specific engineering, built to order in Tennessee.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44529248862297,"sku":"PO 10-S W T1 BB","price":299.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871431769,"sku":"PO 10-S W T1 B","price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO10-SWT1Front.png?v=1786848806"},{"product_id":"performance-optimized-wedge-sealed-15-enclosure-rockford-fosgate-t1d215","title":"Rockford Fosgate T1D215 Box: Sealed 15\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Rockford Fosgate T1D215\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 15\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the Flagship Rockford Fosgate T1 Power Series\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e2.79 ft³ Gross\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e2.25 ft³ Net (RF Spec)\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e28\" × 18\" × 11.2\/17.75\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe Rockford Fosgate T1D215 in RF's Spec-Perfect Sealed Volume\u003c\/h2\u003e\n    \u003cp\u003eThe Rockford Fosgate T1D215 is the flagship of Rockford's Power T1 series and the largest single driver in the T1 lineup. 15 inches of Kevlar-reinforced paper cone driven by a 229-ounce magnet and a 3-inch voice coil on an anodized aluminum former. 1000 watts RMS continuous power handling (CEA-2031 compliant), 2000 watts peak, dual 2-ohm voice coils, 16.4mm one-way Xmax, a rigid die-cast aluminum FlexFit basket, Santoprene VAST surround that extends effective radiating cone area by up to 25% over conventional 15\" drivers, and Klippel-verified design tolerances. When you need real 15-inch output from a driver with the engineering pedigree to deliver it cleanly, this is Rockford's answer.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Wedge Sealed 15 for Rockford Fosgate T1 is engineered to hit RF's exact published sealed specification. 2.79 cubic feet gross internal volume minus the T1D215's 0.547 cubic foot total driver displacement lands at 2.243 cubic feet net, essentially exact match to Rockford's 2.25 cubic foot published sealed spec, delivering the alignment RF's engineers designed the T1D215 to operate in.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e2.79 cubic feet gross = 2.243 cubic feet net after the T1D215's 0.547 cubic foot total driver displacement. Essentially exact match to Rockford Fosgate's published 2.25 cubic foot sealed spec for the T1D215. The wedge geometry mounts the 15-inch woofer on the vertical trunk-lid-side face, firing rearward into the trunk cavity. Classic SQ trunk-load pattern applied to Rockford's flagship 15\" SPL platform.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n    \u003cp\u003eThis wedge is not a front-firing enclosure. The woofer is mounted on the vertical face that sits at the back of the box, closest to the trunk lid, and fires rearward into the trunk cavity. The angled face is on the opposite side of the box, the side that faces the front of the vehicle, and tucks against the rear seat back. Two different problems solved by one geometry.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n        \u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge (11.2\" at the top, 17.75\" at the bottom) matches that lean, tucking against the seat back with no wasted gap. Even at this substantial 15\" cabinet size, the wedge geometry fills trunk space efficiently rather than boxing off cargo area.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n        \u003cp\u003eThe vertical face on the opposite side of the wedge (28\" wide × 18\" tall) is where the T1D215 mounts. The driver fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber. This is the classic SQ trunk-load install pattern applied to Rockford's flagship 15\" driver.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n        \u003cp\u003eFiring the woofer into the trunk cavity rather than directly into the cabin uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the passenger cabin through the rear deck, seat back, and cabin boundaries, a smoother, less-localized presentation than direct-firing setups, and particularly important with a 15\" driver where standing waves and boundary reflections become more pronounced.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eVehicle Sizing Requirements\u003c\/h4\u003e\n        \u003cp\u003e28\" wide by 18\" tall by 11.2-17.75\" deep is a substantial cabinet. Requires a full-size sedan trunk, a wagon or SUV cargo area, or a pickup extended-cab or crew-cab install with adequate space behind the rear seat. Not suitable for compact sedans, coupes, or small hatchbacks. Measure your trunk carefully before ordering. The 18\" height in particular is critical for parcel shelf clearance.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered to Rockford Fosgate's Published Sealed Specification\u003c\/h2\u003e\n    \u003cp\u003eRockford Fosgate publishes exactly 2.25 cubic feet net internal as the recommended sealed enclosure volume for the T1D215. This spec is RF's own engineered target, the volume where the T1's motor structure, VAST-enhanced Santoprene surround, and progressive-roll spider suspension deliver the sealed response their Klippel-verified design targets. The Performance Optimized Wedge Sealed 15 delivers 2.79 cubic feet gross internal, which after subtracting the T1D215's total driver displacement of 0.547 cubic feet lands at 2.243 cubic feet net. Right on RF's published spec.\u003c\/p\u003e\n    \u003ch3\u003eSealed vs. Ported for the T1D215\u003c\/h3\u003e\n    \u003cp\u003eThe T1D215 is a versatile driver that Rockford supports both sealed (2.25 cu ft) and vented (2.66 cu ft) applications for. Sealed operation delivers the tightest, most controlled bass response, ideal for musical accuracy, sound quality installs, and daily-driven vehicles where cabin gain rewards a slightly warmer alignment. If you're building a maximum-SPL system or want the peak-tuned resonance boost of a ported enclosure, RF's 2.66 cu ft vented spec is worth considering as a separate build. This cabinet is engineered specifically for RF's sealed alignment, the SQ-oriented, musically accurate side of the T1D215's capabilities.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry and Driver Fitment\u003c\/h3\u003e\n    \u003cp\u003eThe vertical trunk-lid-side baffle is cut to the T1D215's exact 13.9375\" cutout specification. The T1D215's 8.39\" mounting depth fits inside the cabinet with clearance. Internal depth from the vertical baffle to the interior of the angled seat-side face ranges from approximately 10.45\" at the top edge to 17\" at the bottom (after accounting for 3\/4\" MDF panel thickness), with the driver's mounting position at cabinet center providing over 13.7\" of clearance behind the motor. Ample room for the T1D215's substantial 229-ounce magnet structure and inductive damping heat sink.\u003c\/p\u003e\n    \u003ch3\u003eFlexFit Basket Consideration\u003c\/h3\u003e\n    \u003cp\u003eThe T1D215 uses Rockford's FlexFit basket, a slot-mounted frame pattern that allows fine-tuning of the driver's rotational mounting position. The Proline X wedge baffle is drilled with a standard bolt pattern compatible with the T1D215's slotted mounting geometry. Threaded 8\/32 inserts pressed into the baffle backside accept stainless steel machine screws included with the enclosure. Given the T1D215's weight (~40 pounds installed), the mounting hardware and threaded insert placement are engineered for the driver's mass load, not just the vibration load.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Built for 1000W RMS Flagship Operation\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Critical for an enclosure housing a 1000 watts RMS driver: panel resonance and MDF creep would compound over time under sustained flagship-power operation. Langboard's density and stability address both, and the panel sizes required for a 15\" cabinet at these dimensions make material quality especially important.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the wedge cabinet fold into its angled shape with maximum glue surface. Dado joints lock the vertical woofer baffle and the angled seat-side panel into the side walls, no fasteners visible from outside, no exposed end grain at joints. Especially important at the 15\" cabinet scale where each panel joint experiences greater peak acoustic pressure.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the vertical woofer baffle accept stainless steel mounting screws. The T1D215's 40+ pound driver weight and 16.4mm Xmax excursion put substantial mechanical demand on mounting hardware, the threaded inserts and 3\/4\" baffle thickness are specified to handle both, not to marginal spec.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side. Sized to comfortably handle the T1D215's 1000W RMS power delivery with margin for peak transients.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. The angled seat-side panel requires precise CNC compound cuts to hit both the volume target and the mating angles between the top and bottom edges, at 15\" cabinet scale with substantially larger panel dimensions, these tolerances are especially critical. Internal volume is verified on every unit to ensure the RF-spec 2.25 cubic foot net target is achieved.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is for the enclosure only. Drop in your existing Rockford Fosgate T1D215 (Dual 2-ohm) or T1D415 (Dual 4-ohm) subwoofer, the cabinet fits both variants identically since RF publishes the same 2.25 cu ft sealed spec across the T1 15\" line. Source your driver from any authorized Rockford Fosgate dealer.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the Rockford Fosgate T1D215 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe Rockford Fosgate T1D215 is a dual-voice-coil driver with both coils at 2 ohms, using RF's SWIFT terminal system that allows quick reconfiguration between series and parallel wiring. The pre-wired terminal cup accepts the two-conductor connection via 12-gauge OFC, with stainless steel input hardware.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eParallel wiring (1 ohm total load):\u003c\/strong\u003e Both voice coils in parallel via SWIFT terminals presents a 1-ohm load to your amplifier, the highest-output configuration, ideal for RF's own Power T1000-1bdCP monoblock amplifier, or any modern class D monoblock stable at 1 ohm. This is the standard high-SPL wiring configuration and the natural pairing for the T1D215's 1000W RMS power handling.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eSeries wiring (4 ohm total load):\u003c\/strong\u003e Both voice coils in series via SWIFT terminals presents a 4-ohm load. Used with amplifiers that don't support 1-ohm stable operation, or in dual-driver installs where paralleling two 4-ohm loads at the amp gets you back to a 2-ohm total. Also compatible with class AB amplifiers preferring higher impedance loads.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eT1D415 alternative:\u003c\/strong\u003e Rockford also offers the T1D415 (Dual 4-ohm) variant for installs where 2-ohm parallel (T1D415 wired parallel = 2 ohms) or 8-ohm series operation is preferred. Either variant fits this cabinet identically.\u003c\/p\u003e\n    \u003cp\u003eThe T1D215 is rated for 1000 watts RMS continuous (CEA-2031 compliant) with 2000W peak handling. Aim for a well-regulated class D monoblock delivering 800-1000 watts RMS at your chosen impedance for the best combination of headroom and dynamic capability. Rockford Fosgate's own Power T1000-1bdCP is the natural match, delivering full rated output at 1-ohm parallel via SWIFT terminals with Constant Power design that maintains rated output across impedance loads. Set your amplifier's active low-pass filter between 80 and 100 Hz for musical accuracy in a full-range system. A subsonic filter around 20-25 Hz is recommended given the T1D215's 26.3 Hz Fs.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order. Note that the 15\" cabinet's substantial size may require freight shipping rather than standard parcel. We'll advise on shipping method after order confirmation.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects on the enclosure. Your Rockford Fosgate T1D215 subwoofer is covered by Rockford's own 1-year warranty when purchased through an authorized RF dealer. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eRockford's Flagship 15\" T1, in a Spec-Perfect Trunk-Load Wedge\u003c\/h2\u003e\n    \u003cp\u003e2.25 cubic feet net internal, Rockford Fosgate's published optimum sealed volume for the T1D215, in a trunk-load wedge geometry that fires the VAST-enhanced 15\" cone rearward into the trunk cavity. 1000 watts RMS ready, 16.4mm Xmax, 229-ounce magnet, built to order in Tennessee.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44529318953049,"sku":"PO 15-S W T1 BB","price":409.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589872283737,"sku":"PO 15-S W T1 B","price":389.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO15-SWT1Front.png?v=1786848841"},{"product_id":"performance-optimized-wedge-sealed-15-enclosure-rockford-fosgate-p3d2-15","title":"Rockford Fosgate P3D2-15 Box: Sealed 15\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; 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font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Rockford Fosgate P3D2-15\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 15\" Sealed Wedge Enclosure | Musically Tuned for the Rockford Fosgate Punch P3 Series\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e2.0 ft³ Gross\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e1.75 ft³ Net (Musical Tune)\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e26.25\" × 18\" × 8.6\/15.2\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe Rockford Fosgate P3D2-15, Tuned for Musical Accuracy\u003c\/h2\u003e\n    \u003cp\u003eThe Rockford Fosgate P3D2-15 is the flagship of Rockford's Punch P3 series and their best-performing musical 15\" subwoofer. Anodized aluminum cone with heat-sinking dust cap, VAST (Vertical Attach Surround Technique) Santoprene surround that extends effective radiating cone area by up to 25%, a hybrid stamp-cast basket that balances rigidity with reduced resonance, an extended pole piece with bumped backplate for heavy excursion, a 2.5-inch four-layer voice coil on an anodized aluminum former, and unique spider venting to keep the motor cooler under sustained operation. 600 watts RMS CEA-2031 compliant power handling, 1200W peak, dual 2-ohm voice coils, Klippel-verified motor. Different design philosophy from the T1 series: where the T1 targets flagship SPL output, the P3 targets musical accuracy and versatility at a friendlier price point.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Wedge Sealed 15 for Rockford Fosgate P3 is engineered to hit a musically-tuned alignment for the P3D2-15. 2.0 cubic feet gross internal volume minus the P3D2-15's 0.247 cubic foot total driver displacement lands at 1.753 cubic feet net, approximately 11% larger than Rockford's published 1.58 cubic foot sealed optimum, well within RF's recommended sealed range, and deliberately tuned for a lower system Q than RF's peak-output-oriented spec.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e2.0 cubic feet gross = 1.753 cubic feet net after the P3D2-15's 0.247 cubic foot total driver displacement. RF's published sealed optimum is 1.58 cu ft (a system Qtc of about 1.14, aimed at peak output). This cabinet runs slightly larger to bring that down to about 1.10, for a slightly deeper F3 and a little less peak hump. Well within RF's recommended sealed enclosure range for the P3D2-15.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWhy This Box Is Tuned Larger Than RF's \"Optimum\" Spec\u003c\/h2\u003e\n    \u003cp\u003eThis is where the Performance Optimized name earns its keep. RF's published 1.58 cu ft sealed optimum for the P3D2-15 lands at a system Qtc of about 1.14, an alignment that delivers peak SPL output efficiency in a modest cabinet footprint. It's a valid design target, but it's not the only one.\u003c\/p\u003e\n    \u003cp\u003eSystem Qtc (total Q of the driver + enclosure system) determines the shape of the sealed alignment's response. Higher Qtc = more peak output at the resonance frequency, sharper rolloff below, less transient accuracy, and a \"punchier\" but less refined presentation. Lower Qtc = smoother rolloff, better transient response, deeper F3, and a more musically accurate presentation with better stereo imaging in the low bass region.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eRF's Spec (Qtc ≈ 1.14)\u003c\/h4\u003e\n        \u003cp\u003e1.58 cu ft net. Optimized for peak output in a compact cabinet. Peak hump around Fc gives a \"loud\" impression at moderate power. Sharper below-cutoff rolloff. Better fits SPL-oriented builds and demo situations where headline output matters more than musical accuracy.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePO Wedge Tune (Qtc ≈ 1.10)\u003c\/h4\u003e\n        \u003cp\u003e1.75 cu ft net. A little less peak hump (about 1.8 dB against 2.1), marginally better transient recovery and an F3 about 1 Hz deeper. Fits SQ-oriented builds and full-range systems where the sub needs to blend, not dominate.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eBoth alignments are within RF's stated sealed range for the P3D2-15. The 11% cabinet size difference is deliberate and modest: it moves Qtc from about 1.14 to 1.10 without leaving the driver's designed operating envelope. If you want peak SPL and don't care about musical accuracy, RF's 1.58 spec is right for you (and we can build to that spec on request). If you want the P3D2-15 to sound its musical best in a daily-driven vehicle, this is the box.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n    \u003cp\u003eThis wedge is not a front-firing enclosure. The woofer is mounted on the vertical face that sits at the back of the box, closest to the trunk lid, and fires rearward into the trunk cavity. The angled face is on the opposite side of the box, the side that faces the front of the vehicle, and tucks against the rear seat back. Two different problems solved by one geometry.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n        \u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge (8.6\" at the top, 15.2\" at the bottom) matches that lean, tucking against the seat back with no wasted gap. The P3's shallower 7.58\" mounting depth allows a lower-profile top face than the T1 15\" wedge, making this cabinet more fittable in vehicles with tighter parcel-shelf clearance.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n        \u003cp\u003eThe vertical face on the opposite side of the wedge (26.25\" wide × 18\" tall) is where the P3D2-15 mounts. The driver fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber. Classic SQ trunk-load install pattern applied to Rockford's most musical 15\" driver.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n        \u003cp\u003eFiring the woofer into the trunk cavity rather than directly into the cabin uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the passenger cabin through the rear deck, seat back, and cabin boundaries, a smoother, less-localized presentation than direct-firing setups. Pairs especially well with the P3's already-musical character.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eVehicle Sizing Requirements\u003c\/h4\u003e\n        \u003cp\u003e26.25\" wide by 18\" tall by 8.6-15.2\" deep. Requires a full-size sedan trunk, wagon or SUV cargo area, or pickup extended-cab or crew-cab install with adequate behind-seat space. The 18\" height is critical for parcel shelf clearance. Measure carefully before ordering. Substantially more trunk-friendly than the T1D215 wedge but still requires real cargo space.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eDriver Fitment and Mounting Geometry\u003c\/h2\u003e\n    \u003cp\u003eThe vertical trunk-lid-side baffle is cut to the P3D2-15's exact 13.94\" cutout specification. The P3D2-15's 7.58\" mounting depth fits inside the cabinet with generous clearance. Internal depth from the vertical baffle to the interior of the angled seat-side face ranges from approximately 7.85\" at the top edge to 14.45\" at the bottom (after accounting for 3\/4\" MDF panel thickness), with the driver's mounting position at cabinet center providing over 10.4\" of clearance behind the motor. Ample room for the P3's motor structure and extended pole piece \/ bumped backplate assembly.\u003c\/p\u003e\n    \u003ch3\u003eFlexFit Basket Consideration\u003c\/h3\u003e\n    \u003cp\u003eThe P3D2-15 uses Rockford's FlexFit basket, a slot-mounted frame pattern that allows fine-tuning of the driver's rotational mounting position. The Proline X wedge baffle is drilled with a standard bolt pattern compatible with the P3D2-15's slotted mounting geometry. Threaded 8\/32 inserts pressed into the baffle backside accept stainless steel machine screws included with the enclosure.\u003c\/p\u003e\n    \u003ch3\u003eWeight Advantage vs the T1D215\u003c\/h3\u003e\n    \u003cp\u003eThis listing is the enclosure only. Bring your own Rockford Fosgate P3D2-15.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Built for 600W RMS Operation\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Panel resonance would color the P3's naturally musical response, and MDF creep would allow air leaks over time under sustained operation. Langboard's density and stability address both, especially important at the 15\" cabinet scale.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the wedge cabinet fold into its angled shape with maximum glue surface. Dado joints lock the vertical woofer baffle and the angled seat-side panel into the side walls, no fasteners visible from outside, no exposed end grain at joints, no compromise on structural integrity.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the vertical woofer baffle accept stainless steel mounting screws. Compatible with the P3D2-15's FlexFit slot-mounted frame pattern. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side. Comfortably handles the P3D2-15's 600W RMS power delivery.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. The angled seat-side panel requires precise CNC compound cuts to hit both the target 1.75 cu ft net volume and the mating angles between the top and bottom edges. Internal volume is verified on every unit to ensure the musically-tuned target is achieved.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is for the enclosure only. Drop in your existing Rockford Fosgate P3D2-15 (Dual 2-ohm) or P3D4-15 (Dual 4-ohm) subwoofer, the cabinet fits both variants identically since RF publishes the same sealed spec across the P3 15\" line. Source your driver from any authorized Rockford Fosgate dealer.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the Rockford Fosgate P3D2-15 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe Rockford Fosgate P3D2-15 is a dual-voice-coil driver with both coils at 2 ohms, using RF's 10-AWG nickel-plated push terminals for direct wire attachment. The pre-wired terminal cup accepts the two-conductor connection via 12-gauge OFC, with stainless steel input hardware.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eParallel wiring (1 ohm total load):\u003c\/strong\u003e Both voice coils wired in parallel presents a 1-ohm load to your amplifier, the highest-output configuration, ideal for RF's own Punch P600X1 or Prime R500X1D monoblock amplifiers, or any modern class D monoblock stable at 1 ohm. This is the standard high-output wiring configuration for a single-driver P3 install.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eSeries wiring (4 ohm total load):\u003c\/strong\u003e Both voice coils wired in series presents a 4-ohm load. Used with amplifiers that don't support 1-ohm stable operation, or in dual-driver installs where paralleling two 4-ohm loads at the amp gets you back to a 2-ohm total. Also compatible with class AB amplifiers preferring higher impedance loads.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eP3D4-15 alternative:\u003c\/strong\u003e Rockford also offers the P3D4-15 (Dual 4-ohm) variant for installs where 2-ohm parallel or 8-ohm series operation is preferred. Either variant fits this cabinet identically.\u003c\/p\u003e\n    \u003cp\u003eThe P3D2-15 is rated for 600 watts RMS continuous (CEA-2031 compliant) with 1200W peak handling. Aim for a well-regulated class D monoblock delivering 400-600 watts RMS at your chosen impedance for the best combination of headroom and dynamic capability. Rockford Fosgate's own Punch P600X1 monoblock is a natural match. Set your amplifier's active low-pass filter between 80 and 100 Hz for musical accuracy in a full-range system.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects on the enclosure. Your Rockford Fosgate P3D2-15 subwoofer is covered by Rockford's own 1-year warranty when purchased through an authorized RF dealer. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eRockford's Musical 15\" Punch, Tuned for Real-World Listening\u003c\/h2\u003e\n    \u003cp\u003e1.75 cubic feet net. Deliberately tuned larger than RF's peak-output spec to deliver the P3D2-15's most musical presentation in a trunk-load wedge that fires the aluminum cone rearward into the trunk cavity. 600 watts RMS ready, precision driver-specific engineering, built to order in Tennessee.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44529370529881,"sku":"PO 15-S W P3 BB","price":369.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589872218201,"sku":"PO 15-S W P3 B","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO15-SWP3Front.png?v=1786846355"},{"product_id":"performance-optimized-wedge-sealed-12-enclosure-rockford-fosgate-p3d2-12","title":"Rockford Fosgate P3D2-12 Box: Sealed 12\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Rockford Fosgate P3D2-12\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 12\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the Rockford Fosgate Punch P3 Series\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e1.215 ft³ Gross\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e1.02 ft³ Net (RF Spec)\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e20.25\" × 15\" × 9.125\/14.59\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe Rockford Fosgate P3D2-12 in RF's Spec-Perfect Sealed Volume\u003c\/h2\u003e\n    \u003cp\u003eThe Rockford Fosgate P3D2-12 is Rockford's best-performing 12-inch Punch P3 subwoofer. Anodized aluminum cone with heat-sinking dust cap, VAST (Vertical Attach Surround Technique) Santoprene surround that extends effective radiating cone area by up to 25%, a hybrid stamp-cast basket that balances rigidity with reduced resonance, an extended pole piece with bumped backplate for heavy excursion, a 2.5-inch four-layer voice coil on an anodized aluminum former, and unique spider venting to keep the motor cooler under sustained operation. 600 watts RMS CEA-2031 compliant power handling, 1200W peak, dual 2-ohm voice coils, Klippel-verified motor. Same core engineering as the flagship P3D2-15 sibling, scaled to a 12\" cone form factor and Rockford's most trunk-friendly full-power 12\" driver.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Wedge Sealed 12 for Rockford Fosgate P3 is engineered to hit RF's exact published sealed specification. 1.215 cubic feet gross internal volume minus the P3D2-12's 0.194 cubic foot total driver displacement lands at 1.021 cubic feet net, essentially exact match to Rockford's 1.02 cubic foot published sealed spec, delivering the alignment RF's engineers designed the P3D2-12 to operate in.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e1.215 cubic feet gross = 1.021 cubic feet net after the P3D2-12's 0.194 cubic foot total driver displacement. Essentially exact match to Rockford Fosgate's published 1.02 cubic foot sealed spec for the P3D2-12. With the P3D2-12's T\/S parameters (Qts 0.49, Vas 57.7 L), that spec produces a system Qtc near 0.85, RF's 12\" spec is already tuned for musical accuracy out of the box.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n    \u003cp\u003eThis wedge is not a front-firing enclosure. The woofer is mounted on the vertical face that sits at the back of the box, closest to the trunk lid, and fires rearward into the trunk cavity. The angled face is on the opposite side of the box, the side that faces the front of the vehicle, and tucks against the rear seat back. Two different problems solved by one geometry.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n        \u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge (9.125\" at the top, 14.59\" at the bottom) matches that lean, tucking against the seat back with no wasted gap. The P3's shallow 6.66\" mounting depth allows a low-profile top face that fits parcel-shelf-limited trunks the deeper T1 wedge won't clear.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n        \u003cp\u003eThe vertical face on the opposite side of the wedge (20.25\" wide × 15\" tall) is where the P3D2-12 mounts. The driver fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber. Classic SQ trunk-load install pattern applied to Rockford's most musical 12\" driver.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n        \u003cp\u003eFiring the woofer into the trunk cavity rather than directly into the cabin uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the passenger cabin through the rear deck, seat back, and cabin boundaries, a smoother, less-localized presentation than direct-firing setups. Pairs especially well with the P3's already-musical character.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eCompact Cabinet, Fits Most Vehicles\u003c\/h4\u003e\n        \u003cp\u003e20.25\" wide by 15\" tall by 9.125-14.59\" deep. Fits sedan trunks, coupe cargo areas, hatchbacks and wagons, and pickup extended-cab installs without the height or footprint concerns of the 15\" P3 wedge. If the trunk holds a golf bag, it holds this cabinet.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered to Rockford Fosgate's Published Sealed Specification\u003c\/h2\u003e\n    \u003cp\u003eRockford Fosgate publishes exactly 1.02 cubic feet net internal as the recommended sealed enclosure volume for the P3D2-12. This spec is RF's own engineered target, the volume where the P3D2-12's motor structure, VAST-enhanced Santoprene surround, and progressive-roll spider suspension deliver the sealed response their Klippel-verified design targets. The Performance Optimized Wedge Sealed 12 delivers 1.215 cubic feet gross internal, which after subtracting the P3D2-12's total driver displacement of 0.194 cubic feet lands at 1.021 cubic feet net. Right on RF's published spec.\u003c\/p\u003e\n    \u003ch3\u003eWhy RF's 12\" Spec Is Already the Musical Spec\u003c\/h3\u003e\n    \u003cp\u003eWorking through the driver math: the P3D2-12 has published T\/S parameters of Qts 0.49 and Vas 57.7 liters. In RF's 1.02 cu ft sealed spec, the compliance ratio (Vas\/Vb) works out to approximately 2.0, which produces a system Qtc of approximately 0.85, the same musically-oriented alignment target we use across the PO Wedge line. Different from RF's 15\" P3 spec, which lands at a higher Qtc, about 1.14, for peak SPL output efficiency in a smaller cabinet. Fortunately for 12\" P3 buyers, RF's 12\" spec doesn't require the tuning adjustment their 15\" spec does. This box hits RF's actual number.\u003c\/p\u003e\n    \u003ch3\u003eSealed vs. Ported for the P3D2-12\u003c\/h3\u003e\n    \u003cp\u003eThe P3D2-12 is a versatile driver that Rockford supports both sealed (1.02 cu ft) and vented (1.79 cu ft) applications for. Sealed operation delivers the tightest, most controlled bass response, ideal for musical accuracy, sound quality installs, and daily-driven vehicles where cabin gain rewards a slightly warmer alignment. Ported delivers additional output efficiency in the peak-tuned range at the cost of transient accuracy and 75% more cabinet volume. This cabinet is engineered specifically for RF's sealed alignment, the SQ-oriented, musically accurate side of the P3D2-12's capabilities.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry and Driver Fitment\u003c\/h3\u003e\n    \u003cp\u003eThe vertical trunk-lid-side baffle is cut to the P3D2-12's exact 11.25\" cutout specification. The P3D2-12's very shallow 6.66\" mounting depth fits inside the cabinet with generous clearance. Internal depth from the vertical baffle to the interior of the angled seat-side face ranges from approximately 8.375\" at the top edge to 13.84\" at the bottom (after accounting for 3\/4\" MDF panel thickness), with the driver's mounting position at cabinet center providing over 10.3\" of clearance behind the motor. Substantial room for the P3's motor structure and extended pole piece \/ bumped backplate assembly.\u003c\/p\u003e\n    \u003ch3\u003eFlexFit Basket Consideration\u003c\/h3\u003e\n    \u003cp\u003eThe P3D2-12 uses Rockford's FlexFit basket, a slot-mounted frame pattern that allows fine-tuning of the driver's rotational mounting position. The Proline X wedge baffle is drilled with a standard bolt pattern compatible with the P3D2-12's slotted mounting geometry. Threaded 8\/32 inserts pressed into the baffle backside accept stainless steel machine screws included with the enclosure.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Built for 600W RMS Operation\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Panel resonance would color the P3's naturally musical response, and MDF creep would allow air leaks over time under sustained operation. Langboard's density and stability address both.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the wedge cabinet fold into its angled shape with maximum glue surface. Dado joints lock the vertical woofer baffle and the angled seat-side panel into the side walls, no fasteners visible from outside, no exposed end grain at joints, no compromise on structural integrity.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the vertical woofer baffle accept stainless steel mounting screws. Compatible with the P3D2-12's FlexFit slot-mounted frame pattern. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side. Comfortably handles the P3D2-12's 600W RMS power delivery.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. The angled seat-side panel requires precise CNC compound cuts to hit both the RF-spec 1.02 cu ft net volume target and the mating angles between the top and bottom edges. Internal volume is verified on every unit to ensure the manufacturer's spec target is achieved.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is for the enclosure only. Drop in your existing Rockford Fosgate P3D2-12 (Dual 2-ohm) or P3D4-12 (Dual 4-ohm) subwoofer, the cabinet fits both variants identically since RF publishes the same 1.02 cu ft sealed spec across the P3 12\" line. Source your driver from any authorized Rockford Fosgate dealer.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the Rockford Fosgate P3D2-12 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe Rockford Fosgate P3D2-12 is a dual-voice-coil driver with both coils at 2 ohms, using RF's 10-AWG nickel-plated push terminals for direct wire attachment. The pre-wired terminal cup accepts the two-conductor connection via 12-gauge OFC, with stainless steel input hardware.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eParallel wiring (1 ohm total load):\u003c\/strong\u003e Both voice coils wired in parallel presents a 1-ohm load to your amplifier, the highest-output configuration, ideal for RF's own Punch P600X1 or Prime R500X1D monoblock amplifiers, or any modern class D monoblock stable at 1 ohm. Standard high-output wiring for a single-driver P3 install.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eSeries wiring (4 ohm total load):\u003c\/strong\u003e Both voice coils wired in series presents a 4-ohm load. Used with amplifiers that don't support 1-ohm stable operation, or in dual-driver installs where paralleling two 4-ohm loads at the amp gets you back to a 2-ohm total. Also compatible with class AB amplifiers preferring higher impedance loads.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eP3D4-12 alternative:\u003c\/strong\u003e Rockford also offers the P3D4-12 (Dual 4-ohm) variant for installs where 2-ohm parallel or 8-ohm series operation is preferred. Either variant fits this cabinet identically.\u003c\/p\u003e\n    \u003cp\u003eThe P3D2-12 is rated for 600 watts RMS continuous (CEA-2031 compliant) with 1200W peak handling. Same power rating as the flagship 15\" P3D2-15 despite the smaller cone. Aim for a well-regulated class D monoblock delivering 400-600 watts RMS at your chosen impedance for the best combination of headroom and dynamic capability. Rockford Fosgate's own Punch P600X1 monoblock is a natural match. Set your amplifier's active low-pass filter between 80 and 100 Hz for musical accuracy in a full-range system.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects on the enclosure. Your Rockford Fosgate P3D2-12 subwoofer is covered by Rockford's own 1-year warranty when purchased through an authorized RF dealer. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eRockford's Musical 12\" Punch, in RF's Spec-Perfect Trunk-Load Wedge\u003c\/h2\u003e\n    \u003cp\u003e1.02 cubic feet net, Rockford Fosgate's published sealed spec for the P3D2-12, which naturally targets a musical system Qtc near 0.85. Trunk-load wedge geometry that fires the aluminum cone rearward into the trunk cavity. 600 watts RMS ready, built to order in Tennessee.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44529409818713,"sku":"PO 12-S W P3 BB","price":299.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871824985,"sku":"PO 12-S W P3 B","price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO12-SWP3Front.png?v=1786846321"},{"product_id":"performance-optimized-wedge-sealed-10-enclosure-rockford-fosgate-p3d2-10","title":"Rockford Fosgate P3D2-10 Box: Sealed 10\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Rockford Fosgate P3D2-10\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 10\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the Rockford Fosgate Punch P3 Series\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e0.717 ft³ Gross\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e0.59 ft³ Net (RF Spec)\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e17.25\" × 13\" × 8\/12.73\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe Rockford Fosgate P3D2-10 in RF's Spec-Perfect Sealed Volume\u003c\/h2\u003e\n    \u003cp\u003eThe Rockford Fosgate P3D2-10 is Rockford's best-performing 10-inch Punch P3 subwoofer. Anodized aluminum cone with heat-sinking dust cap, VAST (Vertical Attach Surround Technique) Santoprene surround that extends effective radiating cone area by up to 25%, a hybrid stamp-cast basket that balances rigidity with reduced resonance, an extended pole piece with bumped backplate for heavy excursion, an anodized aluminum voice coil former, and unique spider venting to keep the motor cooler under sustained operation. 500 watts RMS CEA-2031 compliant power handling, 1000W peak, dual 2-ohm voice coils, Klippel-verified motor. Same core P3 platform as the 12\" and 15\" siblings, scaled to a compact 10\" cone for the most trunk-fittable Punch driver in RF's lineup.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Wedge Sealed 10 for Rockford Fosgate P3 is engineered to hit RF's exact published sealed specification. 0.717 cubic feet gross internal volume minus the P3D2-10's 0.127 cubic foot total driver displacement lands at 0.590 cubic feet net, exact match to Rockford's 0.59 cubic foot published sealed spec, delivering the alignment RF's engineers designed the P3D2-10 to operate in.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e0.717 cubic feet gross = 0.590 cubic feet net after the P3D2-10's 0.127 cubic foot total driver displacement. Exact match to Rockford Fosgate's published 0.59 cubic foot sealed spec for the P3D2-10. With the P3D2-10's T\/S parameters (Qts 0.49, Vas 27 L), that spec produces a system Qtc near 0.79 with an F3 around 39 Hz, RF's 10\" P3 spec naturally lands in musical alignment territory out of the box.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n    \u003cp\u003eThis wedge is not a front-firing enclosure. The woofer is mounted on the vertical face that sits at the back of the box, closest to the trunk lid, and fires rearward into the trunk cavity. The angled face is on the opposite side of the box, the side that faces the front of the vehicle, and tucks against the rear seat back. Two different problems solved by one geometry.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n        \u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge (8\" at the top, 12.73\" at the bottom) matches that lean, tucking against the seat back with no wasted gap. The P3's very shallow 6.18\" mounting depth allows a low-profile top face that fits parcel-shelf-limited trunks in compact vehicles.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n        \u003cp\u003eThe vertical face on the opposite side of the wedge (17.25\" wide × 13\" tall) is where the P3D2-10 mounts. The driver fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber. Classic SQ trunk-load install pattern applied to Rockford's most compact musical driver.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n        \u003cp\u003eFiring the woofer into the trunk cavity rather than directly into the cabin uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the passenger cabin through the rear deck, seat back, and cabin boundaries, a smoother, less-localized presentation than direct-firing setups.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSmallest Cabinet in the PO Wedge Line\u003c\/h4\u003e\n        \u003cp\u003e17.25\" wide by 13\" tall by 8-12.73\" deep. This is the most compact cabinet in the entire Performance Optimized Wedge lineup. Fits compact sedan trunks, coupe cargo areas, small hatchback trunks, and pickup single-cab installs where larger 10\" wedges would be too big. If you can fit a duffel bag in the trunk, this cabinet goes in.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered to Rockford Fosgate's Published Sealed Specification\u003c\/h2\u003e\n    \u003cp\u003eRockford Fosgate publishes exactly 0.59 cubic feet net internal as the recommended sealed enclosure volume for the P3D2-10. This spec is RF's own engineered target, the volume where the P3D2-10's motor structure, VAST-enhanced Santoprene surround, and progressive-roll spider suspension deliver the sealed response their Klippel-verified design targets. The Performance Optimized Wedge Sealed 10 delivers 0.717 cubic feet gross internal, which after subtracting the P3D2-10's total driver displacement of 0.127 cubic feet lands at 0.590 cubic feet net. Exact match to RF's published spec.\u003c\/p\u003e\n    \u003ch3\u003eRF's 10\" P3 Spec Naturally Targets Musical Alignment\u003c\/h3\u003e\n    \u003cp\u003eWorking through the driver math: the P3D2-10 has published T\/S parameters of Qts 0.49 and equivalent compliance Vas of 27 liters. In RF's 0.59 cu ft sealed spec, the compliance ratio (Vas\/Vb) works out to approximately 1.62, which produces a system Qtc of approximately 0.79 with an F3 near 39 Hz. That's the same musically-oriented alignment target we use across the PO Wedge line. Same pattern as the 12\" P3, RF chose musical alignments for both the 10\" and 12\" P3 specs. Only the 15\" P3 spec runs a higher Qtc for peak SPL efficiency in a more compact cabinet, which is why the 15\" build is tuned larger than RF's optimum while the 10\" and 12\" builds hit RF's spec exactly.\u003c\/p\u003e\n    \u003ch3\u003eSealed vs. Ported for the P3D2-10\u003c\/h3\u003e\n    \u003cp\u003eThe P3D2-10 is a versatile driver that Rockford supports both sealed (0.59 cu ft) and vented (1.4 cu ft) applications for. Sealed operation delivers the tightest, most controlled bass response, ideal for musical accuracy, sound quality installs, and daily-driven vehicles where cabin gain rewards a slightly warmer alignment. Ported delivers additional output efficiency in the peak-tuned range at the cost of transient accuracy and 138% more cabinet volume. This cabinet is engineered specifically for RF's sealed alignment.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry and Driver Fitment\u003c\/h3\u003e\n    \u003cp\u003eThe vertical trunk-lid-side baffle is cut to the P3D2-10's exact 9.13\" cutout specification. The P3D2-10's very shallow 6.18\" mounting depth fits inside the cabinet with generous clearance. Internal depth from the vertical baffle to the interior of the angled seat-side face ranges from approximately 7.25\" at the top edge to 11.98\" at the bottom (after accounting for 3\/4\" MDF panel thickness), with the driver's mounting position at cabinet center providing over 9.4\" of clearance behind the motor. Substantial room for the P3's motor structure and extended pole piece \/ bumped backplate assembly.\u003c\/p\u003e\n    \u003ch3\u003eFlexFit Basket Consideration\u003c\/h3\u003e\n    \u003cp\u003eThe P3D2-10 uses Rockford's FlexFit basket, a slot-mounted frame pattern that allows fine-tuning of the driver's rotational mounting position. The Proline X wedge baffle is drilled with a standard bolt pattern compatible with the P3D2-10's slotted mounting geometry. Threaded 8\/32 inserts pressed into the baffle backside accept stainless steel machine screws included with the enclosure.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Built for 500W RMS Operation\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Panel resonance would color the P3's naturally musical response, and MDF creep would allow air leaks over time under sustained operation. Langboard's density and stability address both.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the wedge cabinet fold into its angled shape with maximum glue surface. Dado joints lock the vertical woofer baffle and the angled seat-side panel into the side walls, no fasteners visible from outside, no exposed end grain at joints.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the vertical woofer baffle accept stainless steel mounting screws. Compatible with the P3D2-10's FlexFit slot-mounted frame pattern. No stripped pilot holes, no MDF damage from drywall screws.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side. Comfortably handles the P3D2-10's 500W RMS power delivery.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. The angled seat-side panel requires precise CNC compound cuts to hit both the RF-spec 0.59 cu ft net volume target and the mating angles between the top and bottom edges. Internal volume is verified on every unit to ensure the manufacturer's spec target is achieved.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is for the enclosure only. Drop in your existing Rockford Fosgate P3D2-10 (Dual 2-ohm) or P3D4-10 (Dual 4-ohm) subwoofer, the cabinet fits both variants identically since RF publishes the same 0.59 cu ft sealed spec across the P3 10\" line. Source your driver from any authorized Rockford Fosgate dealer.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the Rockford Fosgate P3D2-10 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe Rockford Fosgate P3D2-10 is a dual-voice-coil driver with both coils at 2 ohms, using RF's 10-AWG nickel-plated push terminals for direct wire attachment. The pre-wired terminal cup accepts the two-conductor connection via 12-gauge OFC, with stainless steel input hardware.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eParallel wiring (1 ohm total load):\u003c\/strong\u003e Both voice coils wired in parallel presents a 1-ohm load to your amplifier, the highest-output configuration, ideal for RF's own Punch P400X1 or Prime R500X1D monoblock amplifiers, or any modern class D monoblock stable at 1 ohm. Standard high-output wiring for a single-driver P3 install.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eSeries wiring (4 ohm total load):\u003c\/strong\u003e Both voice coils wired in series presents a 4-ohm load. Used with amplifiers that don't support 1-ohm stable operation, or in dual-driver installs where paralleling two 4-ohm loads at the amp gets you back to a 2-ohm total. Also compatible with class AB amplifiers preferring higher impedance loads.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eP3D4-10 alternative:\u003c\/strong\u003e Rockford also offers the P3D4-10 (Dual 4-ohm) variant for installs where 2-ohm parallel or 8-ohm series operation is preferred. Either variant fits this cabinet identically.\u003c\/p\u003e\n    \u003cp\u003eThe P3D2-10 is rated for 500 watts RMS continuous (CEA-2031 compliant) with 1000W peak handling. Aim for a well-regulated class D monoblock delivering 300-500 watts RMS at your chosen impedance for the best combination of headroom and dynamic capability. Rockford Fosgate's own Punch P400X1 or Prime R500X1D monoblocks are natural matches. Set your amplifier's active low-pass filter between 80 and 100 Hz for musical accuracy in a full-range system.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped, a 5 to 10 business day assembly window before the box ships (temporarily extended due to high order volume). No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects on the enclosure. Your Rockford Fosgate P3D2-10 subwoofer is covered by Rockford's own 1-year warranty when purchased through an authorized RF dealer. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e, we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eRockford's Compact Musical 10\" Punch, in RF's Spec-Perfect Trunk-Load Wedge\u003c\/h2\u003e\n    \u003cp\u003e0.59 cubic feet net, Rockford Fosgate's published sealed spec for the P3D2-10, which naturally targets a musical system Qtc near 0.79. The smallest cabinet in the PO Wedge line, in a trunk-load geometry that fires the aluminum cone rearward into the trunk cavity. 500 watts RMS ready, built to order in Tennessee.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44529465032793,"sku":"PO 10-S W P3 BB","price":289.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871399001,"sku":"PO 10-S W P3 B","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO10-SWP3Front.png?v=1786846274"},{"product_id":"performance-optimized-wedge-sealed-10-audiophile-enclosure-image-dynamics-idmax10-v-4","title":"Image Dynamics IDMAX10 V4 Box: Sealed 10\" Wedge Enclosure","description":"\u003cdiv class=\"po-wrap\"\u003e\n\u003cstyle\u003e\n.po-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.8;color:#1e293b;max-width:1200px;margin:0 auto;background:#fff}\n.po-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-hero .po-title{font-size:2.6em;font-weight:800;text-transform:uppercase;letter-spacing:2px;margin:0 0 10px 0;color:#fff}\n.po-hero .po-subtitle{font-size:1.2em;font-weight:300;opacity:.9;margin:0 0 30px 0}\n.po-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:20px}\n.po-badge{background:rgba(184,115,51,.2);border:1px solid #b87333;color:#d99058;padding:8px 20px;border-radius:20px;font-size:.9em;font-weight:600;letter-spacing:.5px}\n.po-section{padding:50px 40px;border-bottom:1px solid #e2e8f0;background:#fff}\n.po-section:nth-child(even){background:#fef3e7}\n.po-section h2{color:#8b5a2b;font-size:2em;font-weight:700;margin:0 0 20px 0;padding-bottom:12px;border-bottom:3px solid #b87333}\n.po-section h3{color:#0f172a;font-size:1.4em;font-weight:600;margin:30px 0 15px 0}\n.po-section p{font-size:1.05em;color:#334155;margin-bottom:18px}\n.po-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:30px 0}\n.po-card{background:#fff;border:1px solid #e2e8f0;border-top:4px solid #b87333;padding:25px;border-radius:4px}\n.po-card h4{color:#8b5a2b;font-size:1.15em;font-weight:700;margin:0 0 12px 0;text-transform:uppercase;letter-spacing:1px}\n.po-card p{font-size:.98em;color:#475569;margin:0}\n.po-highlight{background:#fef3e7;border-left:4px solid #b87333;padding:25px 30px;margin:30px 0;border-radius:4px}\n.po-highlight p{color:#1e293b;margin:0;font-size:1.05em}\n.po-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-cta h2{font-size:2.2em;font-weight:700;margin:0 0 20px 0;color:#fff;border:none;padding:0}\n.po-cta p{font-size:1.15em;opacity:.92;max-width:800px;margin:0 auto 20px auto;color:#fff}\n@media (max-width:768px){.po-hero{padding:40px 20px}.po-hero .po-title{font-size:1.8em}.po-section{padding:30px 20px}.po-section h2{font-size:1.6em}.po-grid{grid-template-columns:1fr}.po-cta{padding:40px 20px}.po-cta h2{font-size:1.6em}}\n\u003c\/style\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Image Dynamics IDMAX10 V.4\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003e10\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e0.75 ft3 Net\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e0.87 ft3 Gross\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eQtc 1.01 to 1.09\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e17.37\" x 13\" x 9.44\/14.17\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe Image Dynamics IDMAX10 V.4 in a Sealed Wedge\u003c\/h2\u003e\n\u003cp\u003eA 3 inch dual voice coil on a bolt-on field-replaceable basket, 19 mm of one-way travel and a 500 watt RMS rating. The alignment below follows from Image Dynamics' own published Thiele-Small parameters, which they give separately for each coil version.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003e0.75 cubic feet net per driver is Image Dynamics' published Universal sealed airspace for the IDMAX10 V.4, and this cabinet is cut to it exactly.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eThe IDMAX10 V.4 mounts on the vertical trunk-lid-side face and fires rearward into the trunk cavity.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eAngled face matches the roughly 20 degree factory seat lean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n\u003cp\u003eVertical baffle, cone firing rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eThe trunk acts as an acoustic extension for a smoother presentation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eThe wedge tucks against the seat back and the space in front stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered for the Image Dynamics IDMAX10 V.4\u003c\/h2\u003e\n\u003cp\u003e0.75 cubic feet net per driver is Image Dynamics' published Universal sealed airspace for the IDMAX10 V.4, and this cabinet is cut to it exactly.\u003c\/p\u003e\n\u003cp\u003eThat airspace produces a \u003cstrong\u003ehigh-Q sealed alignment\u003c\/strong\u003e, Qtc 1.01 to 1.09 depending on coil. It is not a Butterworth box and it is not trying to be. Reaching Qtc 0.707 on the D2 coil would take about 3.8 cubic feet, roughly 5 times this cabinet, and the extension gained would be under two hertz. What the higher Q buys is a rise around 45 Hz and a half-power point of 34.0 to 35.0 Hz anechoic, which is lower than a flatter alignment of the same size would reach. In a vehicle, cabin gain works on everything below that.\u003c\/p\u003e\n\u003ch3\u003eAlignment Numbers\u003c\/h3\u003e\n\u003cp\u003eD2 Qtc 1.012 · D4 Qtc 1.095 · fc 44.8 Hz · F3 34.0 to 35.0 Hz anechoic\u003c\/p\u003e\n\u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n\u003cp\u003eVertical baffle CNC cut to 9.646 in. Driver mounting depth 7.598 in. Threaded inserts pressed into the baffle backside at every mounting location.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4 in MDF throughout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC cut V-grooves at every panel intersection, sides seated in dados.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eDouble-Layer 1.5\" Front Baffle\u003c\/h4\u003e\n\u003cp\u003eTwo bonded 3\/4 in MDF sheets at the driver face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite, 12 gauge OFC pre-wired to the driver position.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the Image Dynamics IDMAX10 V.4 to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eThe IDMAX10 V.4 ships as a D2 or a D4. A single D2 gives 4 ohms in series or \u003cstrong\u003e1 ohm in parallel\u003c\/strong\u003e. A single D4 gives 8 ohms in series or 2 ohms in parallel. Work the wiring out before you buy the amplifier, not after.\u003c\/p\u003e\n\u003cp\u003ePower handling is 500 watts RMS. Aim for roughly 350 to 500 watts at the final wired impedance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eCut and assembled in Tullahoma, Tennessee on our own CNC equipment. Finished in plush black carpet. 1 year limited warranty. Enclosure only, the Image Dynamics IDMAX10 V.4 driver is purchased separately. Call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eImage Dynamics IDMAX10 V.4: Built to Image Dynamics' Own Airspace\u003c\/h2\u003e\n\u003cp\u003e0.75 cubic feet net at Qtc 1.01 to 1.09, cut direct fit and built to order in Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44529575821401,"sku":"PO 10-S W IDMAX BB","price":289.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871071321,"sku":"PO 10-S W IDMAX B","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO_10-S_W_IDMAX_Front.jpg?v=1790365766"},{"product_id":"performance-optimized-wedge-sealed-12-audiophile-enclosure-image-dynamics-idmax12-v-4","title":"Image Dynamics IDMAX12 V4 Box: Sealed 12\" Wedge Enclosure","description":"\u003cdiv class=\"po-wrap\"\u003e\n\u003cstyle\u003e\n.po-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.8;color:#1e293b;max-width:1200px;margin:0 auto;background:#fff}\n.po-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-hero .po-title{font-size:2.6em;font-weight:800;text-transform:uppercase;letter-spacing:2px;margin:0 0 10px 0;color:#fff}\n.po-hero .po-subtitle{font-size:1.2em;font-weight:300;opacity:.9;margin:0 0 30px 0}\n.po-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:20px}\n.po-badge{background:rgba(184,115,51,.2);border:1px solid #b87333;color:#d99058;padding:8px 20px;border-radius:20px;font-size:.9em;font-weight:600;letter-spacing:.5px}\n.po-section{padding:50px 40px;border-bottom:1px solid #e2e8f0;background:#fff}\n.po-section:nth-child(even){background:#fef3e7}\n.po-section h2{color:#8b5a2b;font-size:2em;font-weight:700;margin:0 0 20px 0;padding-bottom:12px;border-bottom:3px solid #b87333}\n.po-section h3{color:#0f172a;font-size:1.4em;font-weight:600;margin:30px 0 15px 0}\n.po-section p{font-size:1.05em;color:#334155;margin-bottom:18px}\n.po-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:30px 0}\n.po-card{background:#fff;border:1px solid #e2e8f0;border-top:4px solid #b87333;padding:25px;border-radius:4px}\n.po-card h4{color:#8b5a2b;font-size:1.15em;font-weight:700;margin:0 0 12px 0;text-transform:uppercase;letter-spacing:1px}\n.po-card p{font-size:.98em;color:#475569;margin:0}\n.po-highlight{background:#fef3e7;border-left:4px solid #b87333;padding:25px 30px;margin:30px 0;border-radius:4px}\n.po-highlight p{color:#1e293b;margin:0;font-size:1.05em}\n.po-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-cta h2{font-size:2.2em;font-weight:700;margin:0 0 20px 0;color:#fff;border:none;padding:0}\n.po-cta p{font-size:1.15em;opacity:.92;max-width:800px;margin:0 auto 20px auto;color:#fff}\n@media (max-width:768px){.po-hero{padding:40px 20px}.po-hero .po-title{font-size:1.8em}.po-section{padding:30px 20px}.po-section h2{font-size:1.6em}.po-grid{grid-template-columns:1fr}.po-cta{padding:40px 20px}.po-cta h2{font-size:1.6em}}\n\u003c\/style\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Image Dynamics IDMAX12 V.4\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003e12\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e1.25 ft3 Net\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e1.40 ft3 Gross\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eQtc 1.10 to 1.32\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e21.92\" x 15\" x 9.51\/14.97\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe Image Dynamics IDMAX12 V.4 in a Sealed Wedge\u003c\/h2\u003e\n\u003cp\u003eA 3 inch dual voice coil, 19 mm of one-way travel, a 500 watt RMS rating and the bolt-on field-replaceable basket the IDMAX line is known for. The alignment below follows from Image Dynamics' own published Thiele-Small parameters, which they give separately for each coil version.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003e1.25 cubic feet net per driver is Image Dynamics' published Universal sealed airspace for the IDMAX12 V.4, and this cabinet is cut to it exactly.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eThe IDMAX12 V.4 mounts on the vertical trunk-lid-side face and fires rearward into the trunk cavity.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eAngled face matches the roughly 20 degree factory seat lean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n\u003cp\u003eVertical baffle, cone firing rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eThe trunk acts as an acoustic extension for a smoother presentation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eThe wedge tucks against the seat back and the space in front stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered for the Image Dynamics IDMAX12 V.4\u003c\/h2\u003e\n\u003cp\u003e1.25 cubic feet net per driver is Image Dynamics' published Universal sealed airspace for the IDMAX12 V.4, and this cabinet is cut to it exactly.\u003c\/p\u003e\n\u003cp\u003eThat airspace produces a \u003cstrong\u003ehigh-Q sealed alignment\u003c\/strong\u003e, Qtc 1.10 to 1.32 depending on coil. It is not a Butterworth box and it is not trying to be. Reaching Qtc 0.707 on the D2 coil would take about 9.8 cubic feet, roughly 8 times this cabinet, and the extension gained would be under two hertz. What the higher Q buys is a rise around 45 Hz and a half-power point of 32.5 to 34.3 Hz anechoic, which is lower than a flatter alignment of the same size would reach. In a vehicle, cabin gain works on everything below that.\u003c\/p\u003e\n\u003ch3\u003eAlignment Numbers\u003c\/h3\u003e\n\u003cp\u003eD2 Qtc 1.097 · D4 Qtc 1.323 · fc 45.3 Hz · F3 32.5 to 34.3 Hz anechoic\u003c\/p\u003e\n\u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n\u003cp\u003eVertical baffle CNC cut to 11.024 in. Driver mounting depth 8.071 in. Threaded inserts pressed into the baffle backside at every mounting location.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4 in MDF throughout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC cut V-grooves at every panel intersection, sides seated in dados.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eDouble-Layer 1.5\" Front Baffle\u003c\/h4\u003e\n\u003cp\u003eTwo bonded 3\/4 in MDF sheets at the driver face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite, 12 gauge OFC pre-wired to the driver position.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the Image Dynamics IDMAX12 V.4 to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eThe IDMAX12 V.4 ships as a D2 or a D4. A single D2 gives 4 ohms in series or \u003cstrong\u003e1 ohm in parallel\u003c\/strong\u003e. A single D4 gives 8 ohms in series or 2 ohms in parallel. Work the wiring out before you buy the amplifier, not after.\u003c\/p\u003e\n\u003cp\u003ePower handling is 500 watts RMS. Aim for roughly 350 to 500 watts at the final wired impedance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eCut and assembled in Tullahoma, Tennessee on our own CNC equipment. Finished in plush black carpet. 1 year limited warranty. Enclosure only, the Image Dynamics IDMAX12 V.4 driver is purchased separately. Call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eImage Dynamics IDMAX12 V.4: Built to Image Dynamics' Own Airspace\u003c\/h2\u003e\n\u003cp\u003e1.25 cubic feet net at Qtc 1.10 to 1.32, cut direct fit and built to order in Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44529670553689,"sku":"PO 12-S W IDMAX BB","price":319.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871464537,"sku":"PO 12-S W IDMAX B","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO_12-S_W_IDMAX_Front.jpg?v=1790365776"},{"product_id":"performance-optimized-wedge-sealed-15-audiophile-enclosure-image-dynamics-idmax15-v-4","title":"Image Dynamics IDMAX15 V4 Box: Sealed 15\" Wedge Enclosure","description":"\u003cdiv class=\"po-wrap\"\u003e\n\u003cstyle\u003e\n.po-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.8;color:#1e293b;max-width:1200px;margin:0 auto;background:#fff}\n.po-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-hero .po-title{font-size:2.6em;font-weight:800;text-transform:uppercase;letter-spacing:2px;margin:0 0 10px 0;color:#fff}\n.po-hero .po-subtitle{font-size:1.2em;font-weight:300;opacity:.9;margin:0 0 30px 0}\n.po-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:20px}\n.po-badge{background:rgba(184,115,51,.2);border:1px solid #b87333;color:#d99058;padding:8px 20px;border-radius:20px;font-size:.9em;font-weight:600;letter-spacing:.5px}\n.po-section{padding:50px 40px;border-bottom:1px solid #e2e8f0;background:#fff}\n.po-section:nth-child(even){background:#fef3e7}\n.po-section h2{color:#8b5a2b;font-size:2em;font-weight:700;margin:0 0 20px 0;padding-bottom:12px;border-bottom:3px solid #b87333}\n.po-section h3{color:#0f172a;font-size:1.4em;font-weight:600;margin:30px 0 15px 0}\n.po-section p{font-size:1.05em;color:#334155;margin-bottom:18px}\n.po-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:30px 0}\n.po-card{background:#fff;border:1px solid #e2e8f0;border-top:4px solid #b87333;padding:25px;border-radius:4px}\n.po-card h4{color:#8b5a2b;font-size:1.15em;font-weight:700;margin:0 0 12px 0;text-transform:uppercase;letter-spacing:1px}\n.po-card p{font-size:.98em;color:#475569;margin:0}\n.po-highlight{background:#fef3e7;border-left:4px solid #b87333;padding:25px 30px;margin:30px 0;border-radius:4px}\n.po-highlight p{color:#1e293b;margin:0;font-size:1.05em}\n.po-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-cta h2{font-size:2.2em;font-weight:700;margin:0 0 20px 0;color:#fff;border:none;padding:0}\n.po-cta p{font-size:1.15em;opacity:.92;max-width:800px;margin:0 auto 20px auto;color:#fff}\n@media (max-width:768px){.po-hero{padding:40px 20px}.po-hero .po-title{font-size:1.8em}.po-section{padding:30px 20px}.po-section h2{font-size:1.6em}.po-grid{grid-template-columns:1fr}.po-cta{padding:40px 20px}.po-cta h2{font-size:1.6em}}\n\u003c\/style\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Image Dynamics IDMAX15 V.4\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003e15\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e1.75 ft3 Net\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e2.03 ft3 Gross\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eQtc 1.52 to 1.63\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e20.17\" x 18\" x 11.73\/18.28\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe Image Dynamics IDMAX15 V.4 in a Sealed Wedge\u003c\/h2\u003e\n\u003cp\u003eA 2.5 inch dual voice coil on a 575 ounce motor, 22 mm of one-way travel, a 600 watt RMS rating and a glass-fibre reinforced pulp cone. The alignment below follows from Image Dynamics' own published Thiele-Small parameters, which they give separately for each coil version.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003eImage Dynamics' published Universal sealed airspace for the IDMAX15 V.4 is 1.50 cubic feet. This cabinet is cut to 1.75, a deliberate step larger, which brings Qtc down from 1.60 to 1.52 on the D2 coil without giving up meaningful extension.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eThe IDMAX15 V.4 mounts on the vertical trunk-lid-side face and fires rearward into the trunk cavity.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eAngled face matches the roughly 20 degree factory seat lean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n\u003cp\u003eVertical baffle, cone firing rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eThe trunk acts as an acoustic extension for a smoother presentation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eThe wedge tucks against the seat back and the space in front stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered for the Image Dynamics IDMAX15 V.4\u003c\/h2\u003e\n\u003cp\u003eImage Dynamics' published Universal sealed airspace for the IDMAX15 V.4 is 1.50 cubic feet. This cabinet is cut to 1.75, a deliberate step larger, which brings Qtc down from 1.60 to 1.52 on the D2 coil without giving up meaningful extension.\u003c\/p\u003e\n\u003cp\u003eThat airspace produces a \u003cstrong\u003ehigh-Q sealed alignment\u003c\/strong\u003e, Qtc 1.52 to 1.63 depending on coil. It is not a Butterworth box and it is not trying to be. Qtc 0.707 is not reachable on this driver at any volume: a sealed system Q can never fall below the driver's own Qts, and Image Dynamics publishes 0.95 for the D2 coil and 1.02 for the D4. What the higher Q buys is a rise around 48 Hz and a half-power point of 33.1 to 33.5 Hz anechoic, which is lower than a flatter alignment of the same size would reach. In a vehicle, cabin gain works on everything below that.\u003c\/p\u003e\n\u003ch3\u003eAlignment Numbers\u003c\/h3\u003e\n\u003cp\u003eD2 Qtc 1.521 · D4 Qtc 1.633 · fc 48.0 Hz · F3 33.1 to 33.5 Hz anechoic\u003c\/p\u003e\n\u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n\u003cp\u003eVertical baffle CNC cut to 14.764 in. Driver mounting depth 10.866 in. Threaded inserts pressed into the baffle backside at every mounting location.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4 in MDF throughout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC cut V-grooves at every panel intersection, sides seated in dados.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eDouble-Layer 1.5\" Front Baffle\u003c\/h4\u003e\n\u003cp\u003eTwo bonded 3\/4 in MDF sheets at the driver face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite, 12 gauge OFC pre-wired to the driver position.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the Image Dynamics IDMAX15 V.4 to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eThe IDMAX15 V.4 ships as a D2 or a D4. A single D2 gives 4 ohms in series or \u003cstrong\u003e1 ohm in parallel\u003c\/strong\u003e. A single D4 gives 8 ohms in series or 2 ohms in parallel. Work the wiring out before you buy the amplifier, not after.\u003c\/p\u003e\n\u003cp\u003ePower handling is 600 watts RMS. Aim for roughly 420 to 600 watts at the final wired impedance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eCut and assembled in Tullahoma, Tennessee on our own CNC equipment. Finished in plush black carpet. 1 year limited warranty. Enclosure only, the Image Dynamics IDMAX15 V.4 driver is purchased separately. Call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eImage Dynamics IDMAX15 V.4: Built to Image Dynamics' Own Airspace\u003c\/h2\u003e\n\u003cp\u003e1.75 cubic feet net at Qtc 1.52 to 1.63, cut direct fit and built to order in Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44529788846169,"sku":"PO 15-S W IDMAX BB","price":369.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871923289,"sku":"PO 15-S W IDMAX B","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO_15-S_W_IDMAX_Front.jpg?v=1790365785"},{"product_id":"performance-optimized-wedge-sealed-15-enclosure-kicker-compq-15","title":"Kicker CompQ 15 Box: Sealed 15\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n\u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Kicker CompQ 15\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003e15\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the Kicker CompQ 15\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e2.35 Cubic Feet\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e2.14 Cubic Feet\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e26.25\" × 18\" × 10.1\/16.65\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe Kicker CompQ 15 in a Purpose-Built Sealed Wedge\u003c\/h2\u003e\n    \u003cp\u003eThe Kicker CompQ 15 is a proven mainstream performance driver with dual voice coils, 800 watts RMS rating, and a resilient stamped-steel frame. Ships in DVC 2 ohm (CWCS154) or DVC 4 ohm (CWCS152) configurations. Yellow injection-molded surround, ribbed spider, and back-fed lead technology for reliability under sustained output.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e2.35 Cubic Feet gross internal volume produces 2.14 Cubic Feet after driver displacement. The wedge geometry mounts the woofer on the vertical trunk-lid-side face, firing rearward into the trunk cavity for optimum cabin loading.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n    \u003cp\u003eThis wedge is not a front-firing enclosure. The woofer is mounted on the vertical face that sits at the back of the box, closest to the trunk lid, and fires rearward into the trunk cavity. The angled face is on the opposite side of the box, the side that faces the front of the vehicle, and tucks against the rear seat back.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n        \u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge matches that lean, tucking against the seat back with no wasted gap. The wedge fills the trunk shelf area behind the seat cleanly.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n        \u003cp\u003eThe vertical face on the opposite side of the wedge is where the driver mounts. The cone fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber. This is the classic SQ trunk-load install pattern.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n        \u003cp\u003eFiring the woofer into the trunk cavity rather than directly into the cabin uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the passenger cabin through the rear deck, seat back, and cabin boundaries, a smoother, less localized presentation than direct-firing setups.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n        \u003cp\u003eThe wedge tucks against the seat back where cargo can't be stored anyway. The bottom face sits flat and stable on the trunk floor. Cargo space in front of the wedge (toward the trunk lid) stays usable for daily driving.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered for the Kicker CompQ 15\u003c\/h2\u003e\n    \u003cp\u003eThis cabinet is engineered specifically for the Kicker CompQ 15 to deliver a musical, controlled sealed alignment at Qtc 0.75 based on published T\/S parameters. F3 lands at approximately 43 Hz with strong cabin gain typical of trunk installations extending that meaningfully lower in-vehicle.\u003c\/p\u003e\n    \u003ch3\u003eAlignment Numbers\u003c\/h3\u003e\n\u003cp\u003eSystem Qtc: 0.75 · F3: 43 Hz · Fc: 48 Hz\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eThe vertical trunk-lid-side baffle is CNC-cut to Direct Fit. Mounting depth required is Direct Fit, with the wedge geometry providing ample interior clearance for the driver's motor and cooling requirements. 8\/32 threaded inserts are pressed into the baffle backside for secure driver retention.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, and a longer service life under daily use.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the wedge cabinet fold into its angled shape with maximum glue surface. Dado joints lock the vertical woofer baffle and the angled seat-side panel into the side walls. No fasteners visible from outside.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eDouble-Layer 1.5\" Front Baffle\u003c\/h4\u003e\n        \u003cp\u003eTwo bonded 3\/4\" MDF sheets at the driver mounting face. The double baffle eliminates flex under high mechanical load and gives the driver a rigid, isolated mounting platform.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon-fiber composite terminal cup with 12 gauge OFC pre-wired to the driver position. 3D-printed in-house on Bambu Lab H2S 3D printers. 8\/32 threaded inserts installed for secure driver retention.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is box-only. Bring your own driver.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the Kicker CompQ 15 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe Kicker CompQ 15 ships in DVC 2 ohm (CWCS154) or DVC 4 ohm (CWCS152). Choose the impedance that matches your amplifier's stable load rating for the desired power output. The terminal cup provides the final connection to your amp.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eManufactured in Tullahoma, Tennessee on our ShopSabre CNC equipment. Every enclosure is CNC-cut, hand-assembled, glued and clamped, wrapped in carpet, and quality-checked by the same small team. 1-year limited warranty on the enclosure. Questions on fitment or amplifier matching, call 931-563-5151.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eKicker CompQ 15: Precision-Tuned in a Trunk-Load Wedge\u003c\/h2\u003e\n    \u003cp\u003e2.14 Cubic Feet net, engineered for the Kicker CompQ 15 in a wedge geometry that fires the driver rearward into the trunk cavity. Precise driver-specific engineering.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44532528152665,"sku":"PO 15-S W CompQ BB","price":419.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589872087129,"sku":"PO 15-S W CompQ B","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO15-SWCompQFront.jpg?v=1787530262"},{"product_id":"performance-optimized-wedge-sealed-12-enclosure-kicker-compq-12","title":"Kicker CompQ 12 Box: Sealed 12\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) { .po-hero { padding: 40px 20px; } .po-hero .po-title { font-size: 1.8em; } .po-section { padding: 30px 20px; } .po-section h2 { font-size: 1.6em; } .po-grid { grid-template-columns: 1fr; } .po-cta { padding: 40px 20px; } .po-cta h2 { font-size: 1.6em; } }\n\u003c\/style\u003e\n\u003cdiv class=\"po-wrap\"\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Kicker CompQ 12\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003e12\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the Kicker CompQ 12\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e1.52 ft³ Gross\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e1.37 ft³ Net\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e25\" × 15\" × 9\/14.4\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe Kicker CompQ 12 in a Purpose-Built Sealed Wedge\u003c\/h2\u003e\n\u003cp\u003eThe CompQ 12 is Kicker's best round 12-inch driver. It shares the motor architecture and cone technology of the Solo-Baric L7 in a round basket, and when you give it a musical sealed box it plays with the articulation and tonal accuracy of top SQ competition drivers in this class, with more headroom than most.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003e1.52 cu ft gross internal volume produces 1.37 cu ft net after driver displacement. The wedge geometry mounts the woofer on the vertical trunk-lid-side face, firing rearward into the trunk cavity for optimum cabin loading.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eThis wedge is not a front-firing enclosure. The woofer mounts on the vertical face at the back of the box (closest to the trunk lid) and fires rearward into the trunk cavity. The angled face is on the opposite side and tucks against the rear seat back.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge matches that lean, tucking against the seat back with no wasted gap.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n\u003cp\u003eThe vertical face on the opposite side of the wedge is where the CompQ 12 mounts. The cone fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eFiring the woofer into the trunk cavity uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the cabin through the rear deck, seat back, and cabin boundaries, a smoother, less localized presentation than direct-firing setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eThe wedge tucks against the seat back where cargo can't be stored anyway. Cargo space in front of the wedge (toward the trunk lid) stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered for the Kicker CompQ 12\u003c\/h2\u003e\n\u003cp\u003eBuilt to 1.37 cubic feet net, which puts the CompQ 12 at a Qtc of 0.79 based on bench-measured T\/S parameters. Punchier than pure Butterworth, sitting just above the musical sweet spot with extra midbass emphasis. On this driver, in a wedge that loads the trunk this cleanly, 0.79 is the alignment that hits kick drums with authority and stays composed on complex low-end passages.\u003c\/p\u003e\n\u003ch3\u003eAlignment Numbers\u003c\/h3\u003e\n\u003cp\u003eTarget System Qtc: 0.79 · F3: ~46 Hz · Fc: ~52 Hz\u003c\/p\u003e\n\u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n\u003cp\u003eThe vertical trunk-lid-side baffle is CNC-cut to 11.0625\" (Kicker spec). Mounting depth required is 7.125\", with the wedge geometry providing ample interior clearance for the driver's motor. 8\/32 threaded inserts pressed into the baffle backside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec: denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, longer service life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC-cut V-grooves at every panel intersection let the wedge cabinet fold into its angled shape with maximum glue surface. Dado joints lock the vertical woofer baffle and angled seat-side panel into the side walls.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eDouble-Layer 1.5\" Front Baffle\u003c\/h4\u003e\n\u003cp\u003eTwo bonded 3\/4\" MDF sheets at the driver mounting face. Eliminates flex under high mechanical load and gives the driver a rigid, isolated mounting platform.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS\/carbon-fiber composite terminal cup with 12 gauge OFC pre-wired to the driver position. 3D-printed in-house on Bambu Lab H2S 3D printers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n\u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n\u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n\u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n\u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n\u003cp\u003eThis listing is box-only. Bring your own CompQ 12.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the Kicker CompQ 12 to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eIf you're bringing your own amp, target 700-900 watts RMS at the woofer's impedance for a clean, headroom-rich musical system. The CompQ 12 is rated to 1000 watts RMS continuous and will handle it all day.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eManufactured in Tullahoma, Tennessee on our ShopSabre CNC equipment. Every enclosure is CNC-cut, hand-assembled, glued and clamped, wrapped in carpet, and quality-checked by the same small team. 1-year limited warranty. Questions on fitment or amplifier matching, call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eKicker CompQ 12: Precision-Tuned in a Trunk-Load Wedge\u003c\/h2\u003e\n\u003cp\u003e1.37 cubic feet net, engineered for the CompQ 12 in a wedge geometry that fires the driver rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44532530217049,"sku":"PO 12-S W CompQ BB","price":309.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871726681,"sku":"PO 12-S W CompQ B","price":289.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO12-SWCompQFront.jpg?v=1787532388"},{"product_id":"performance-optimized-wedge-sealed-10-enclosure-kicker-compq-10","title":"Kicker CompQ 10 Box: Sealed 10\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) { .po-hero { padding: 40px 20px; } .po-hero .po-title { font-size: 1.8em; } .po-section { padding: 30px 20px; } .po-section h2 { font-size: 1.6em; } .po-grid { grid-template-columns: 1fr; } .po-cta { padding: 40px 20px; } .po-cta h2 { font-size: 1.6em; } }\n\u003c\/style\u003e\n\u003cdiv class=\"po-wrap\"\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Kicker CompQ 10\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003e10\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the Kicker CompQ 10\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e0.76 ft³ Gross\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e0.66 ft³ Net\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e16.5\" × 13\" × 8.9\/13.2\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe Kicker CompQ 10 in a Purpose-Built Sealed Wedge\u003c\/h2\u003e\n\u003cp\u003eThe CompQ 10 is Kicker's flagship 10-inch round-cone driver, sharing motor architecture and cone tech with the Solo-Baric L7 line. Motor authority of a much larger driver in a compact package. When given enough airspace, plays with the articulation and tonal accuracy expected of top-tier SQ 10-inch drivers.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003e0.76 cu ft gross internal volume produces 0.66 cu ft net after driver displacement. Matches Kicker's own recommended minimum sealed enclosure spec.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eThis wedge is not a front-firing enclosure. The woofer mounts on the vertical face at the back of the box (closest to the trunk lid) and fires rearward into the trunk cavity. The angled face is on the opposite side and tucks against the rear seat back.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge matches that lean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n\u003cp\u003eThe vertical face is where the CompQ 10 mounts. The cone fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eFiring the woofer into the trunk cavity uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the cabin through the rear deck, seat back, and cabin boundaries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eThe wedge tucks against the seat back where cargo can't be stored anyway. Cargo space in front of the wedge stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered for the Kicker CompQ 10\u003c\/h2\u003e\n\u003cp\u003eBuilt to 0.66 cubic feet net, matching Kicker's own recommended minimum sealed enclosure. Puts the driver at a Qtc of 0.65 based on bench-measured T\/S, an extended musical alignment that lets the CompQ 10 breathe and pull deeper low-end reach than a tighter tune would allow. The alignment Kicker's engineers designed the driver around.\u003c\/p\u003e\n\u003ch3\u003eAlignment Numbers\u003c\/h3\u003e\n\u003cp\u003eTarget System Qtc: 0.65 · F3: ~56 Hz · Fc: ~51 Hz\u003c\/p\u003e\n\u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n\u003cp\u003eThe vertical trunk-lid-side baffle is CNC-cut to 9.1875\" (Kicker spec). Mounting depth required is 6.375\". 8\/32 threaded inserts pressed into the baffle backside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC-cut V-grooves at every panel intersection. Dado joints lock the vertical woofer baffle and angled seat-side panel into the side walls.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eDouble-Layer 1.5\" Front Baffle\u003c\/h4\u003e\n\u003cp\u003eTwo bonded 3\/4\" MDF sheets at the driver mounting face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS\/carbon-fiber composite terminal cup with 12 gauge OFC pre-wired.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n\u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n\u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n\u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n\u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n\u003cp\u003eThis listing is box-only. Bring your own CompQ 10.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the Kicker CompQ 10 to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eIf you're bringing your own amp, target 600-800 watts RMS at the woofer's impedance for a clean, headroom-rich musical system. The CompQ 10 is rated to 800 watts RMS continuous.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eManufactured in Tullahoma, Tennessee on our ShopSabre CNC equipment. 1-year limited warranty. Call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eKicker CompQ 10: Precision-Tuned in a Trunk-Load Wedge\u003c\/h2\u003e\n\u003cp\u003e0.66 cubic feet net, engineered for the CompQ 10 in a wedge geometry that fires the driver rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44532536901721,"sku":"PO 10-S W CompQ BB","price":269.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871333465,"sku":"PO 10-S W CompQ B","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO10-SWCompQFront.jpg?v=1787532086"},{"product_id":"performance-optimized-wedge-sealed-10-enclosure-kicker-comp-vx-10","title":"Kicker Comp VX 10 Box: Sealed 10\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) { .po-hero { padding: 40px 20px; } .po-hero .po-title { font-size: 1.8em; } .po-section { padding: 30px 20px; } .po-section h2 { font-size: 1.6em; } .po-grid { grid-template-columns: 1fr; } .po-cta { padding: 40px 20px; } .po-cta h2 { font-size: 1.6em; } }\n\u003c\/style\u003e\n\u003cdiv class=\"po-wrap\"\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Kicker Comp VX 10\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003e10\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the Kicker Comp VX 10\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e0.9 ft³ Gross\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e0.80 ft³ Net\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e19\" × 13\" × 8.9\/13.2\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe Kicker Comp VX 10 in a Purpose-Built Sealed Wedge\u003c\/h2\u003e\n\u003cp\u003eThe Comp VX 10 is Kicker's high-value performance driver at the 10-inch size, ships in DVC 2 ohm or DVC 4 ohm configurations. Ribbed polyurethane surround, stamped steel basket, and back-fed leads keep it reliable under sustained output. Rated 500W RMS, plays clean well below that rating in a properly-sized sealed cabinet.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003e0.9 cu ft gross internal volume produces 0.80 cu ft net after driver displacement. Matches Kicker's own recommended maximum sealed enclosure spec.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eThis wedge is not a front-firing enclosure. The woofer mounts on the vertical trunk-lid-side face and fires rearward into the trunk cavity. The angled face is on the opposite side and tucks against the rear seat back.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eMost factory rear seat backs lean ~20 degrees from vertical. The angled face matches that lean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n\u003cp\u003eVertical face is where the Comp VX 10 mounts. Cone fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eFiring into the trunk cavity uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the cabin through the rear deck and seat back.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eThe wedge tucks against the seat back where cargo can't be stored anyway. Cargo space in front stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered for the Kicker Comp VX 10\u003c\/h2\u003e\n\u003cp\u003eBuilt to 0.80 cubic feet net, matching Kicker's own recommended maximum sealed spec. Puts the Comp VX 10 at Qtc 0.63 based on bench T\/S, an extended musical alignment that gives the driver room to breathe and pull deeper low-end reach than the tight Butterworth math would suggest. Standard Butterworth would be cramped in a real trunk install for this driver.\u003c\/p\u003e\n\u003ch3\u003eAlignment Numbers\u003c\/h3\u003e\n\u003cp\u003eTarget System Qtc: 0.63 · F3: ~65 Hz · Fc: ~57 Hz\u003c\/p\u003e\n\u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n\u003cp\u003eThe vertical trunk-lid-side baffle is CNC-cut to 9.125\" (Kicker spec). Mounting depth required is 5.5\". 8\/32 threaded inserts pressed into the baffle backside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC-cut V-grooves at every panel intersection. Dado joints lock the vertical woofer baffle and angled seat-side panel into the side walls.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eDouble-Layer 1.5\" Front Baffle\u003c\/h4\u003e\n\u003cp\u003eTwo bonded 3\/4\" MDF sheets at the driver mounting face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS\/carbon-fiber composite terminal cup with 12 gauge OFC pre-wired.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n\u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n\u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n\u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n\u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n\u003cp\u003eBox-only: bring your own Comp VX 10.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the Kicker Comp VX 10 to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eShips DVC 2Ω or DVC 4Ω. Target 400-500W RMS at the woofer's impedance for a clean musical system. Comp VX 10 is rated 500W RMS continuous.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eManufactured in Tullahoma, Tennessee on our ShopSabre CNC equipment. 1-year limited warranty. Call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eKicker Comp VX 10: Precision-Tuned in a Trunk-Load Wedge\u003c\/h2\u003e\n\u003cp\u003e0.80 cubic feet net, Kicker's maximum sealed spec, in a wedge geometry that fires the driver rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44532548239449,"sku":"PO 10-S W CompVX BB","price":269.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871300697,"sku":"PO 10-S W CompVX B","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO10-SWCompVXFront_d3803413-ac26-43af-9f7f-31f9d85cc12d.jpg?v=1787532728"},{"product_id":"performance-optimized-wedge-sealed-12-enclosure-kicker-comp-vx-12","title":"Kicker Comp VX 12 Box: Sealed 12\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) { .po-hero { padding: 40px 20px; } .po-hero .po-title { font-size: 1.8em; } .po-section { padding: 30px 20px; } .po-section h2 { font-size: 1.6em; } .po-grid { grid-template-columns: 1fr; } .po-cta { padding: 40px 20px; } .po-cta h2 { font-size: 1.6em; } }\n\u003c\/style\u003e\n\u003cdiv class=\"po-wrap\"\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Kicker Comp VX 12\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003e12\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the Kicker Comp VX 12\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e1.1 ft³ Gross\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e1.00 ft³ Net\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e19.75\" × 15\" × 9\/14.4\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe Kicker Comp VX 12 in a Purpose-Built Sealed Wedge\u003c\/h2\u003e\n\u003cp\u003eThe Comp VX 12 is Kicker's high-value performance 12-inch, ships DVC 2Ω or DVC 4Ω. Ribbed polyurethane surround, stamped steel basket, back-fed leads. Rated 600W RMS, plays clean well below that in a properly-sized sealed cabinet.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003e1.1 cu ft gross internal volume produces 1.00 cu ft net after driver displacement. Matches Kicker's own recommended maximum sealed spec.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eThis wedge is not a front-firing enclosure. Woofer mounts on the vertical trunk-lid-side face, fires rearward into the trunk cavity. Angled face on the opposite side tucks against the rear seat back.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eMost factory rear seats lean ~20 degrees from vertical. Angled face matches that lean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n\u003cp\u003eVertical face is where the Comp VX 12 mounts. Cone fires rearward toward the trunk lid.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eFiring into the trunk cavity uses the trunk itself as an acoustic extension.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eWedge tucks against the seat back. Cargo space in front stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered for the Kicker Comp VX 12\u003c\/h2\u003e\n\u003cp\u003eBuilt to 1.00 cubic feet net, matching Kicker's own recommended maximum sealed spec. Puts the Comp VX 12 at Qtc 0.65 based on bench T\/S, an extended musical alignment that gives the driver room to breathe.\u003c\/p\u003e\n\u003ch3\u003eAlignment Numbers\u003c\/h3\u003e\n\u003cp\u003eTarget System Qtc: 0.65 · F3: ~55 Hz · Fc: ~50 Hz\u003c\/p\u003e\n\u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n\u003cp\u003eVertical baffle CNC-cut to 11.0\" (Kicker spec). Mounting depth required 6.0\". 8\/32 threaded inserts pressed into the baffle backside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC-cut V-grooves at every panel intersection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eDouble-Layer 1.5\" Front Baffle\u003c\/h4\u003e\n\u003cp\u003eTwo bonded 3\/4\" MDF sheets at the driver mounting face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS\/carbon-fiber composite terminal cup, 12g OFC pre-wired.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n\u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n\u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n\u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n\u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n\u003cp\u003eBox-only: bring your own Comp VX 12.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the Kicker Comp VX 12 to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eShips DVC 2Ω or DVC 4Ω. Target 500-600W RMS at the woofer's impedance. Comp VX 12 is rated 600W RMS continuous.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eManufactured in Tullahoma, Tennessee on our ShopSabre CNC equipment. 1-year limited warranty. Call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eKicker Comp VX 12: Precision-Tuned in a Trunk-Load Wedge\u003c\/h2\u003e\n\u003cp\u003e1.00 cubic feet net, Kicker's maximum sealed spec, in a wedge geometry that fires the driver rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44532552466521,"sku":"PO 12-S W CompVX BB","price":309.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871693913,"sku":"PO 12-S W CompVX B","price":289.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO12-SWCompVXFront.jpg?v=1787533145"},{"product_id":"performance-optimized-wedge-sealed-15-enclosure-kicker-comp-vx-15","title":"Kicker Comp VX 15 Box: Sealed 15\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) { .po-hero { padding: 40px 20px; } .po-hero .po-title { font-size: 1.8em; } .po-section { padding: 30px 20px; } .po-section h2 { font-size: 1.6em; } .po-grid { grid-template-columns: 1fr; } .po-cta { padding: 40px 20px; } .po-cta h2 { font-size: 1.6em; } }\n\u003c\/style\u003e\n\u003cdiv class=\"po-wrap\"\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Kicker Comp VX 15\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003e15\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e2.0 ft³ Gross\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e1.80 ft³ Net\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e23\" × 18\" × 10.1\/16.65\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe Kicker Comp VX 15 in a Purpose-Built Sealed Wedge\u003c\/h2\u003e\n\u003cp\u003eThe Comp VX 15 is Kicker's high-value 15-inch performance driver. DVC 2Ω or DVC 4Ω configurations, ribbed polyurethane surround, stamped steel basket. Rated 750W RMS, plays clean well below that in a properly-sized sealed cabinet.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003e2.0 cu ft gross internal volume produces 1.80 cu ft net after driver displacement. Butterworth alignment at Qtc 0.65 for musical, controlled output.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eThis wedge is not a front-firing enclosure. The Comp VX 15 mounts on the vertical trunk-lid-side face and fires rearward into the trunk cavity. Angled face on the opposite side tucks against the rear seat back.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eMost factory rear seats lean ~20 degrees from vertical. Angled face matches that lean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n\u003cp\u003eVertical face is where the Comp VX 15 mounts. Cone fires rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eUsing the trunk itself as acoustic extension. Low frequencies transmit through rear deck and seat back for smooth, less-localized presentation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eWedge tucks against the seat back. Cargo space in front stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered for the Kicker Comp VX 15\u003c\/h2\u003e\n\u003cp\u003eBuilt to 1.80 cubic feet net. Puts the Comp VX 15 at Qtc 0.65 based on bench T\/S, an extended Butterworth alignment optimized for musical performance in trunk installations.\u003c\/p\u003e\n\u003ch3\u003eAlignment Numbers\u003c\/h3\u003e\n\u003cp\u003eTarget System Qtc: 0.65 · F3: ~52 Hz · Fc: ~46 Hz\u003c\/p\u003e\n\u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n\u003cp\u003eVertical baffle CNC-cut to 14.0\" (Kicker spec). Mounting depth required 7.5\". 8\/32 threaded inserts pressed into baffle backside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4\" MDF panels, denser and more stable than commodity MDF.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC-cut V-grooves at every panel intersection for maximum glue surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eDouble-Layer 1.5\" Front Baffle\u003c\/h4\u003e\n\u003cp\u003eTwo bonded 3\/4\" MDF sheets at the driver mounting face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS\/carbon-fiber composite, 12g OFC pre-wired.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n\u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n\u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n\u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n\u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n\u003cp\u003eBox-only: bring your own Comp VX 15.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the Kicker Comp VX 15 to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eShips DVC 2Ω or DVC 4Ω. Target 600-750W RMS at the woofer's impedance. Comp VX 15 rated 750W RMS continuous.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eManufactured in Tullahoma, Tennessee on our ShopSabre CNC equipment. 1-year limited warranty. Call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eKicker Comp VX 15: Precision-Tuned in a Trunk-Load Wedge\u003c\/h2\u003e\n\u003cp\u003e1.80 cubic feet net at Butterworth Qtc 0.65 in a wedge that fires the driver rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44532559741017,"sku":"PO 15-S W CompVX BB","price":399.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871956057,"sku":"PO 15-S W CompVX B","price":379.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO15-SWCompVXFront.jpg?v=1787530511"},{"product_id":"performance-optimized-wedge-sealed-15-enclosure-prodigy-nb5-15","title":"Prodigy NB5-15 Box: Sealed 15\" Wedge Enclosure","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(184, 115, 51, 0.2); border: 1px solid #b87333; color: #d99058; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #fef3e7; }\n  .po-section h2 { color: #8b5a2b; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #b87333; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #b87333; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #8b5a2b; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #fef3e7; border-left: 4px solid #b87333; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #8b5a2b 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) { .po-hero { padding: 40px 20px; } .po-hero .po-title { font-size: 1.8em; } .po-section { padding: 30px 20px; } .po-section h2 { font-size: 1.6em; } .po-grid { grid-template-columns: 1fr; } .po-cta { padding: 40px 20px; } .po-cta h2 { font-size: 1.6em; } }\n\u003c\/style\u003e\n\u003cdiv class=\"po-wrap\"\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Prodigy NB5-15\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003e15\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design for the Prodigy NB5-15\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e1.95 ft³ Gross\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e1.76 ft³ Net\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e21.5\" × 18\" × 10.83\/17.38\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe Prodigy NB5-15 in a Purpose-Built Sealed Wedge\u003c\/h2\u003e\n\u003cp\u003eThe Prodigy NB5-15 is Prodigy Audio's flagship 15-inch SQL driver. 1500W RMS, 27mm one-way Xmax at 70% BL, 40mm forward and 50mm downward X-mech clearance, 2.75\" flat-aluminum voice coil, 280 oz ferrite motor with upper\/lower aluminum Faraday rings. NB5-15D2 or NB5-15D4 impedance options.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003e1.95 cu ft gross internal volume produces 1.76 cu ft net after driver displacement. Split-family compromise alignment: D2 coil lands Qtc 0.66, D4 coil lands Qtc 0.75 in the same cabinet.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eThis wedge is not a front-firing enclosure. The NB5-15 mounts on the vertical trunk-lid-side face and fires rearward into the trunk cavity.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eMost factory rear seats lean ~20 degrees from vertical. Angled face matches that lean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n\u003cp\u003eVertical face is where the NB5-15 mounts. Cone fires rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eUsing the trunk itself as acoustic extension for smoother, less-localized presentation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eWedge tucks against the seat back. Cargo space in front stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered for the Prodigy NB5-15\u003c\/h2\u003e\n\u003cp\u003eBuilt to 1.76 cubic feet net. The D2 and D4 coil variants have divergent T\/S parameters, so this cabinet takes a split-family compromise approach: D2 coil lands Qtc 0.66 (near-Butterworth musical), D4 coil lands Qtc 0.75 (slightly punchy). Both are usable, well-controlled alignments.\u003c\/p\u003e\n\u003ch3\u003eAlignment Numbers\u003c\/h3\u003e\n\u003cp\u003eD2 Qtc: 0.66 · D4 Qtc: 0.75 · Fc: ~46 Hz · F3: 47-53 Hz depending on coil\u003c\/p\u003e\n\u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n\u003cp\u003eVertical baffle CNC-cut direct-fit for the NB5-15's cutout spec. Mounting depth accommodated with wedge interior clearance. 8\/32 threaded inserts pressed into baffle backside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC-cut V-grooves at every panel intersection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eDouble-Layer 1.5\" Front Baffle\u003c\/h4\u003e\n\u003cp\u003eTwo bonded 3\/4\" MDF sheets at the driver mounting face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS\/carbon-fiber composite, 12g OFC pre-wired.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n\u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n\u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n\u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n\u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n\u003cp\u003eBox-only: bring your own NB5-15.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the Prodigy NB5-15 to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eShips NB5-15D2 or NB5-15D4. Target 1000-1500W RMS at the woofer's impedance. NB5-15 rated 1500W RMS continuous.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eManufactured in Tullahoma, Tennessee on our ShopSabre CNC equipment. 1-year limited warranty. Call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eProdigy NB5-15: Precision-Tuned in a Trunk-Load Wedge\u003c\/h2\u003e\n\u003cp\u003e1.76 cubic feet net, engineered for both D2 and D4 coil variants in a wedge that fires the driver rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44532937261145,"sku":"PO 15-S W NB5 BB","price":369.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589872185433,"sku":"PO 15-S W NB5 B","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO15-SWNB5Front.jpg?v=1787531034"},{"product_id":"performance-optimized-wedge-sealed-12-enclosure-prodigy-nb5-12","title":"Prodigy NB5-12 Box: Sealed 12\" Wedge Enclosure","description":"\u003cstyle\u003e\n.po-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.8;color:#1e293b;max-width:1200px;margin:0 auto;background:#fff}\n.po-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-hero .po-title{font-size:2.6em;font-weight:800;text-transform:uppercase;letter-spacing:2px;margin:0 0 10px 0;color:#fff}\n.po-hero .po-subtitle{font-size:1.2em;font-weight:300;opacity:.9;margin:0 0 30px 0}\n.po-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:20px}\n.po-badge{background:rgba(184,115,51,.2);border:1px solid #b87333;color:#d99058;padding:8px 20px;border-radius:20px;font-size:.9em;font-weight:600;letter-spacing:.5px}\n.po-section{padding:50px 40px;border-bottom:1px solid #e2e8f0;background:#fff}\n.po-section:nth-child(even){background:#fef3e7}\n.po-section h2{color:#8b5a2b;font-size:2em;font-weight:700;margin:0 0 20px 0;padding-bottom:12px;border-bottom:3px solid #b87333}\n.po-section h3{color:#0f172a;font-size:1.4em;font-weight:600;margin:30px 0 15px 0}\n.po-section p{font-size:1.05em;color:#334155;margin-bottom:18px}\n.po-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:30px 0}\n.po-card{background:#fff;border:1px solid #e2e8f0;border-top:4px solid #b87333;padding:25px;border-radius:4px}\n.po-card h4{color:#8b5a2b;font-size:1.15em;font-weight:700;margin:0 0 12px 0;text-transform:uppercase;letter-spacing:1px}\n.po-card p{font-size:.98em;color:#475569;margin:0}\n.po-highlight{background:#fef3e7;border-left:4px solid #b87333;padding:25px 30px;margin:30px 0;border-radius:4px}\n.po-highlight p{color:#1e293b;margin:0;font-size:1.05em}\n.po-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-cta h2{font-size:2.2em;font-weight:700;margin:0 0 20px 0;color:#fff;border:none;padding:0}\n.po-cta p{font-size:1.15em;opacity:.92;max-width:800px;margin:0 auto 20px auto;color:#fff}\n@media (max-width:768px){.po-hero{padding:40px 20px}.po-hero .po-title{font-size:1.8em}.po-section{padding:30px 20px}.po-section h2{font-size:1.6em}.po-grid{grid-template-columns:1fr}.po-cta{padding:40px 20px}.po-cta h2{font-size:1.6em}}\n\u003c\/style\u003e\n\u003cdiv class=\"po-wrap\"\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Prodigy NB5-12\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003e12\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e0.86 ft³ Gross\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e0.79 ft³ Net\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e16.5\" × 14\" × 10.5\/15.5\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe Prodigy NB5-12 in a Purpose-Built Sealed Wedge\u003c\/h2\u003e\n\u003cp\u003eProdigy Audio's flagship 12-inch SQL platform. 1200W RMS, 27mm one-way Xmax at 70% BL, 280oz ferrite motor with upper\/lower aluminum Faraday shorting rings, vented pole, 2.75\" flat-aluminum voice coil. Heavy cast aluminum frame doubles as heat exchanger. NB5-12D2 or NB5-12D4.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003e0.86 cu ft gross produces 0.79 cu ft net after driver displacement. D4-optimized alignment: D4 coil lands Qtc 0.68 (near-Butterworth), D2 coil lands Qtc 0.55 (extended musical).\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eThe NB5-12 mounts on the vertical trunk-lid-side face and fires rearward into the trunk cavity.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eAngled face matches ~20 degree factory seat lean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n\u003cp\u003eCone fires rearward toward the trunk lid.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eTrunk itself acts as acoustic extension for smoother presentation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eWedge tucks against seat back; cargo space in front stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered for the Prodigy NB5-12\u003c\/h2\u003e\n\u003cp\u003e0.79 cubic feet net produces D4-optimized alignment (Qtc 0.68 near-Butterworth) with the D2 coil landing at Qtc 0.55 (extended musical). Both are usable alignments; D4 is the primary target.\u003c\/p\u003e\n\u003ch3\u003eAlignment Numbers\u003c\/h3\u003e\n\u003cp\u003eD2 Qtc: 0.55 · D4 Qtc: 0.68 · Fc: ~52 Hz · F3: 52-63 Hz depending on coil\u003c\/p\u003e\n\u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n\u003cp\u003eVertical baffle CNC-cut direct-fit for NB5-12. 8\/32 threaded inserts pressed into baffle backside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4\" MDF.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC-cut V-grooves at every panel intersection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eDouble-Layer 1.5\" Front Baffle\u003c\/h4\u003e\n\u003cp\u003eTwo bonded 3\/4\" MDF sheets at driver face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS\/carbon-fiber composite, 12g OFC pre-wired.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n\u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n\u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n\u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n\u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n\u003cp\u003eBox-only: bring your own NB5-12.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the Prodigy NB5-12 to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eShips NB5-12D2 or NB5-12D4. Target 800-1200W RMS at the woofer's impedance. NB5-12 rated 1200W RMS continuous.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eManufactured in Tullahoma, Tennessee. 1-year limited warranty. Call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eProdigy NB5-12: Precision-Tuned in a Trunk-Load Wedge\u003c\/h2\u003e\n\u003cp\u003e0.79 cubic feet net. D4-optimized Butterworth in a wedge that fires the driver rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44532982218841,"sku":"PO 12-S W NB5 BB","price":319.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871792217,"sku":"PO 12-S W NB5 B","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO12-SWNB5Front.jpg?v=1787531369"},{"product_id":"performance-optimized-wedge-sealed-10-enclosure-prodigy-nb5-10","title":"Prodigy NB5-10 Box: Sealed 10\" Wedge Enclosure","description":"\u003cstyle\u003e\n.po-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.8;color:#1e293b;max-width:1200px;margin:0 auto;background:#fff}\n.po-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-hero .po-title{font-size:2.6em;font-weight:800;text-transform:uppercase;letter-spacing:2px;margin:0 0 10px 0;color:#fff}\n.po-hero .po-subtitle{font-size:1.2em;font-weight:300;opacity:.9;margin:0 0 30px 0}\n.po-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:20px}\n.po-badge{background:rgba(184,115,51,.2);border:1px solid #b87333;color:#d99058;padding:8px 20px;border-radius:20px;font-size:.9em;font-weight:600;letter-spacing:.5px}\n.po-section{padding:50px 40px;border-bottom:1px solid #e2e8f0;background:#fff}\n.po-section:nth-child(even){background:#fef3e7}\n.po-section h2{color:#8b5a2b;font-size:2em;font-weight:700;margin:0 0 20px 0;padding-bottom:12px;border-bottom:3px solid #b87333}\n.po-section h3{color:#0f172a;font-size:1.4em;font-weight:600;margin:30px 0 15px 0}\n.po-section p{font-size:1.05em;color:#334155;margin-bottom:18px}\n.po-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:30px 0}\n.po-card{background:#fff;border:1px solid #e2e8f0;border-top:4px solid #b87333;padding:25px;border-radius:4px}\n.po-card h4{color:#8b5a2b;font-size:1.15em;font-weight:700;margin:0 0 12px 0;text-transform:uppercase;letter-spacing:1px}\n.po-card p{font-size:.98em;color:#475569;margin:0}\n.po-highlight{background:#fef3e7;border-left:4px solid #b87333;padding:25px 30px;margin:30px 0;border-radius:4px}\n.po-highlight p{color:#1e293b;margin:0;font-size:1.05em}\n.po-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-cta h2{font-size:2.2em;font-weight:700;margin:0 0 20px 0;color:#fff;border:none;padding:0}\n.po-cta p{font-size:1.15em;opacity:.92;max-width:800px;margin:0 auto 20px auto;color:#fff}\n@media (max-width:768px){.po-hero{padding:40px 20px}.po-hero .po-title{font-size:1.8em}.po-section{padding:30px 20px}.po-section h2{font-size:1.6em}.po-grid{grid-template-columns:1fr}.po-cta{padding:40px 20px}.po-cta h2{font-size:1.6em}}\n\u003c\/style\u003e\n\u003cdiv class=\"po-wrap\"\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Prodigy NB5-10\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003e10\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e0.58 ft³ Gross\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e0.51 ft³ Net\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e14.75\" × 12.5\" × 9.75\/14.25\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe Prodigy NB5-10 in a Purpose-Built Sealed Wedge\u003c\/h2\u003e\n\u003cp\u003eProdigy Audio's flagship 10-inch SQL platform. Very stiff suspension designed for compact sealed cabinets. NB5-10D2 or NB5-10D4 impedance options.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003e0.58 cu ft gross produces 0.51 cu ft net. Extended musical alignment: Scott went larger than Butterworth math suggested to give the small driver breathing room in a real trunk install.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eThe NB5-10 mounts on the vertical trunk-lid-side face and fires rearward into the trunk cavity.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eAngled face matches ~20 degree factory seat lean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n\u003cp\u003eCone fires rearward toward the trunk lid.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eTrunk acts as acoustic extension for smoother presentation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eWedge tucks against seat back; cargo space in front stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered for the Prodigy NB5-10\u003c\/h2\u003e\n\u003cp\u003e0.51 cubic feet net gives extended musical alignment: D2 lands Qtc 0.58, D4 lands Qtc 0.64 based on published T\/S. Both coils sit comfortably in the same cabinet with musical, controlled output.\u003c\/p\u003e\n\u003ch3\u003eAlignment Numbers\u003c\/h3\u003e\n\u003cp\u003eD2 Qtc: 0.58 · D4 Qtc: 0.64 · Fc: ~55 Hz · F3: 60-65 Hz depending on coil\u003c\/p\u003e\n\u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n\u003cp\u003eVertical baffle CNC-cut direct-fit for NB5-10. 8\/32 threaded inserts pressed into baffle backside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4\" MDF.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC-cut V-grooves at every panel intersection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eDouble-Layer 1.5\" Front Baffle\u003c\/h4\u003e\n\u003cp\u003eTwo bonded 3\/4\" MDF sheets at driver face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS\/carbon-fiber composite, 12g OFC pre-wired.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n\u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n\u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n\u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n\u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n\u003cp\u003eBox-only: bring your own NB5-10.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the Prodigy NB5-10 to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eShips NB5-10D2 or NB5-10D4. Target 600-800W RMS at the woofer's impedance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eManufactured in Tullahoma, Tennessee. 1-year limited warranty. Call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eProdigy NB5-10: Precision-Tuned in a Trunk-Load Wedge\u003c\/h2\u003e\n\u003cp\u003e0.51 cubic feet net. Extended musical alignment for a stiff-suspension driver in a wedge that fires the driver rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44533040644185,"sku":"PO 10-S W NB5 BB","price":269.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871366233,"sku":"PO 10-S W NB5 B","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO10-SWNB5Front.jpg?v=1787531679"},{"product_id":"performance-optimized-wedge-sealed-dual-10-enclosure-prodigy-nb5-10","title":"Prodigy NB5-10 Dual Box: Sealed 10\" Wedge Enclosure","description":"\u003cstyle\u003e\n.po-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.8;color:#1e293b;max-width:1200px;margin:0 auto;background:#fff}\n.po-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-hero .po-title{font-size:2.6em;font-weight:800;text-transform:uppercase;letter-spacing:2px;margin:0 0 10px 0;color:#fff}\n.po-hero .po-subtitle{font-size:1.2em;font-weight:300;opacity:.9;margin:0 0 30px 0}\n.po-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:20px}\n.po-badge{background:rgba(184,115,51,.2);border:1px solid #b87333;color:#d99058;padding:8px 20px;border-radius:20px;font-size:.9em;font-weight:600;letter-spacing:.5px}\n.po-section{padding:50px 40px;border-bottom:1px solid #e2e8f0;background:#fff}\n.po-section:nth-child(even){background:#fef3e7}\n.po-section h2{color:#8b5a2b;font-size:2em;font-weight:700;margin:0 0 20px 0;padding-bottom:12px;border-bottom:3px solid #b87333}\n.po-section h3{color:#0f172a;font-size:1.4em;font-weight:600;margin:30px 0 15px 0}\n.po-section p{font-size:1.05em;color:#334155;margin-bottom:18px}\n.po-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:30px 0}\n.po-card{background:#fff;border:1px solid #e2e8f0;border-top:4px solid #b87333;padding:25px;border-radius:4px}\n.po-card h4{color:#8b5a2b;font-size:1.15em;font-weight:700;margin:0 0 12px 0;text-transform:uppercase;letter-spacing:1px}\n.po-card p{font-size:.98em;color:#475569;margin:0}\n.po-highlight{background:#fef3e7;border-left:4px solid #b87333;padding:25px 30px;margin:30px 0;border-radius:4px}\n.po-highlight p{color:#1e293b;margin:0;font-size:1.05em}\n.po-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-cta h2{font-size:2.2em;font-weight:700;margin:0 0 20px 0;color:#fff;border:none;padding:0}\n.po-cta p{font-size:1.15em;opacity:.92;max-width:800px;margin:0 auto 20px auto;color:#fff}\n@media (max-width:768px){.po-hero{padding:40px 20px}.po-hero .po-title{font-size:1.8em}.po-section{padding:30px 20px}.po-section h2{font-size:1.6em}.po-grid{grid-template-columns:1fr}.po-cta{padding:40px 20px}.po-cta h2{font-size:1.6em}}\n\u003c\/style\u003e\n\u003cdiv class=\"po-wrap\"\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Prodigy NB5-10 Dual\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003eDual 10\" Sealed Wedge | Two Separate Chambers | Rear-Firing Trunk-Load\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e1.30 ft³ Gross\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e0.46 ft³ Net\/Ch\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eDual Chamber\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e26.75\" × 13\" × 9\/13.75\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe Prodigy NB5-10 in a Dual-Driver Sealed Wedge\u003c\/h2\u003e\n\u003cp\u003eTwo NB5-10s in a single trunk-loading wedge with fully independent sealed chambers. 1200W RMS per driver capable, +6dB over single-driver output. Standing Proline X design rule: dual sealed enclosures always get full-height chamber dividers.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003e1.30 cu ft total gross, split into 0.65 cu ft per-chamber gross, 0.46 cu ft per-chamber net after driver displacement. Same per-driver alignment as the single-driver PO Wedge for NB5-10.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTwo Fully Separate Chambers\u003c\/h2\u003e\n\u003cp\u003eFull-height, full-depth 3\/4\" MDF divider between the two chambers. Each driver sees its own dedicated air volume and its own terminal cup. Eliminates cross-chamber acoustic coupling and cabin-pressure interference between drivers.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003eAll Proline X dual-driver sealed enclosures use this separate-chamber architecture. Each driver produces its own clean sealed alignment, independent of the other.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eBoth NB5-10s mount on the vertical trunk-lid-side face and fire rearward into the trunk cavity.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eAngled face matches ~20 degree factory seat lean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofers\u003c\/h4\u003e\n\u003cp\u003eBoth drivers mount on the vertical face, firing rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eTrunk acts as acoustic extension for smoother, less-localized presentation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eWedge tucks against seat back; cargo space in front stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered for the Prodigy NB5-10\u003c\/h2\u003e\n\u003cp\u003ePer-chamber 0.46 cubic feet net gives D2 Qtc 0.59, D4 Qtc 0.65. Extended musical alignment matching the single-driver PO Wedge for NB5-10. Run matched impedance drivers only.\u003c\/p\u003e\n\u003ch3\u003eAlignment Numbers (Per Chamber)\u003c\/h3\u003e\n\u003cp\u003eD2 Qtc: 0.59 · D4 Qtc: 0.65 · Fc: ~55 Hz · F3: 60-65 Hz depending on coil\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4\" MDF panels + 3\/4\" chamber divider.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC-cut V-grooves at every panel intersection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eDouble-Layer 1.5\" Front Baffle\u003c\/h4\u003e\n\u003cp\u003eTwo bonded 3\/4\" MDF sheets at both driver mounting positions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTwo Pre-Wired Terminal Cups\u003c\/h4\u003e\n\u003cp\u003eOne Proline X ABS\/carbon-fiber composite terminal cup per chamber, 12g OFC pre-wired.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n\u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n\u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n\u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n\u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n\u003cp\u003eBox-only: bring your own pair of matched NB5-10 drivers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the NB5-10 Pair to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eTwo independent terminal cups let you wire in series or parallel externally at the amp. Run matched impedance drivers only (both D2 or both D4).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eManufactured in Tullahoma, Tennessee. 1-year limited warranty. Call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eProdigy NB5-10 Dual, Two Chambers, Two Cups, One Wedge\u003c\/h2\u003e\n\u003cp\u003e0.46 cubic feet net per chamber, same alignment as the single-driver PO Wedge, doubled up for +6dB of headroom.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44533086912601,"sku":"PO 10D-S W NB5 BB","price":379.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589872447577,"sku":"PO 10D-S W NB5 B","price":359.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO10D-SWNB5Front.jpg?v=1787513109"},{"product_id":"performance-optimized-wedge-sealed-dual-12-enclosure-prodigy-nb5-12","title":"Prodigy NB5-12 Dual Box: Sealed 12\" Wedge Enclosure","description":"\u003cstyle\u003e\n.po-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.8;color:#1e293b;max-width:1200px;margin:0 auto;background:#fff}\n.po-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-hero .po-title{font-size:2.6em;font-weight:800;text-transform:uppercase;letter-spacing:2px;margin:0 0 10px 0;color:#fff}\n.po-hero .po-subtitle{font-size:1.2em;font-weight:300;opacity:.9;margin:0 0 30px 0}\n.po-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:20px}\n.po-badge{background:rgba(184,115,51,.2);border:1px solid #b87333;color:#d99058;padding:8px 20px;border-radius:20px;font-size:.9em;font-weight:600;letter-spacing:.5px}\n.po-section{padding:50px 40px;border-bottom:1px solid #e2e8f0;background:#fff}\n.po-section:nth-child(even){background:#fef3e7}\n.po-section h2{color:#8b5a2b;font-size:2em;font-weight:700;margin:0 0 20px 0;padding-bottom:12px;border-bottom:3px solid #b87333}\n.po-section h3{color:#0f172a;font-size:1.4em;font-weight:600;margin:30px 0 15px 0}\n.po-section p{font-size:1.05em;color:#334155;margin-bottom:18px}\n.po-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:30px 0}\n.po-card{background:#fff;border:1px solid #e2e8f0;border-top:4px solid #b87333;padding:25px;border-radius:4px}\n.po-card h4{color:#8b5a2b;font-size:1.15em;font-weight:700;margin:0 0 12px 0;text-transform:uppercase;letter-spacing:1px}\n.po-card p{font-size:.98em;color:#475569;margin:0}\n.po-highlight{background:#fef3e7;border-left:4px solid #b87333;padding:25px 30px;margin:30px 0;border-radius:4px}\n.po-highlight p{color:#1e293b;margin:0;font-size:1.05em}\n.po-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-cta h2{font-size:2.2em;font-weight:700;margin:0 0 20px 0;color:#fff;border:none;padding:0}\n.po-cta p{font-size:1.15em;opacity:.92;max-width:800px;margin:0 auto 20px auto;color:#fff}\n@media (max-width:768px){.po-hero{padding:40px 20px}.po-hero .po-title{font-size:1.8em}.po-section{padding:30px 20px}.po-section h2{font-size:1.6em}.po-grid{grid-template-columns:1fr}.po-cta{padding:40px 20px}.po-cta h2{font-size:1.6em}}\n\u003c\/style\u003e\n\u003cdiv class=\"po-wrap\"\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Prodigy NB5-12 Dual\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003eDual 12\" Sealed Wedge | Two Separate Chambers | Rear-Firing Trunk-Load\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e1.76 ft³ Gross\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e0.67 ft³ Net\/Ch\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eDual Chamber\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e29.25\" × 14.5\" × 9.5\/14.75\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe Prodigy NB5-12 in a Dual-Driver Sealed Wedge\u003c\/h2\u003e\n\u003cp\u003eTwo NB5-12s in a single trunk-loading wedge with fully independent sealed chambers. 1200W RMS per driver, +6dB of headroom over single-driver setup. Standing Proline X design rule: dual sealed enclosures always get full-height chamber dividers.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003e1.76 cu ft total gross, split into 0.88 cu ft per-chamber gross, 0.67 cu ft per-chamber net after driver displacement. Same per-chamber alignment as the single-driver PO Wedge for NB5-12.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTwo Fully Separate Chambers\u003c\/h2\u003e\n\u003cp\u003eFull-height, full-depth 3\/4\" MDF divider between the two chambers. Each driver sees its own dedicated air volume and its own terminal cup. Eliminates cross-chamber acoustic coupling between drivers.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003eAll Proline X dual-driver sealed enclosures use this separate-chamber architecture. Each driver produces its own clean sealed alignment, independent of the other.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eBoth NB5-12s mount on the vertical trunk-lid-side face and fire rearward into the trunk cavity.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eAngled face matches ~20 degree factory seat lean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofers\u003c\/h4\u003e\n\u003cp\u003eBoth drivers on vertical face, firing rearward into trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eTrunk acts as acoustic extension for smoother presentation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eWedge tucks against seat back; cargo space in front stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered for the Prodigy NB5-12\u003c\/h2\u003e\n\u003cp\u003ePer-chamber 0.67 cubic feet net gives D4 Qtc 0.71 (essentially Butterworth), D2 Qtc 0.57 (extended musical). Same per-chamber alignment as the single-driver PO Wedge for NB5-12.\u003c\/p\u003e\n\u003ch3\u003eAlignment Numbers (Per Chamber)\u003c\/h3\u003e\n\u003cp\u003eD2 Qtc: 0.57 · D4 Qtc: 0.71 · Fc: ~47 Hz · F3: 48-58 Hz depending on coil\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4\" MDF panels + 3\/4\" chamber divider.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC-cut V-grooves at every panel intersection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eDouble-Layer 1.5\" Front Baffle\u003c\/h4\u003e\n\u003cp\u003eTwo bonded 3\/4\" MDF sheets at both driver mounting positions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTwo Pre-Wired Terminal Cups\u003c\/h4\u003e\n\u003cp\u003eOne Proline X ABS\/carbon-fiber composite terminal cup per chamber.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n\u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n\u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n\u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n\u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n\u003cp\u003eBox-only: bring your own pair of matched NB5-12 drivers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the NB5-12 Pair to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eTwo independent terminal cups let you wire in series or parallel externally at the amp. Run matched impedance drivers only.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eManufactured in Tullahoma, Tennessee. 1-year limited warranty. Call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eProdigy NB5-12 Dual, Two Chambers, Two Cups, One Wedge\u003c\/h2\u003e\n\u003cp\u003e0.67 cubic feet net per chamber, essentially Butterworth on D4, extended musical on D2. Doubled up for +6dB of headroom.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44533145698393,"sku":"PO 12D-S W NB5 BB","price":399.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589872545881,"sku":"PO 12D-S W NB5 B","price":379.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO12D-SWNB5Front.jpg?v=1787513348"},{"product_id":"performance-optimized-wedge-sealed-10-enclosure-alpine-r2-w10","title":"Alpine R2-W10 Box: Sealed 10\" Wedge Enclosure","description":"\u003cstyle\u003e\n.po-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.8;color:#1e293b;max-width:1200px;margin:0 auto;background:#fff}\n.po-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-hero .po-title{font-size:2.6em;font-weight:800;text-transform:uppercase;letter-spacing:2px;margin:0 0 10px 0;color:#fff}\n.po-hero .po-subtitle{font-size:1.2em;font-weight:300;opacity:.9;margin:0 0 30px 0}\n.po-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:20px}\n.po-badge{background:rgba(184,115,51,.2);border:1px solid #b87333;color:#d99058;padding:8px 20px;border-radius:20px;font-size:.9em;font-weight:600;letter-spacing:.5px}\n.po-section{padding:50px 40px;border-bottom:1px solid #e2e8f0;background:#fff}\n.po-section:nth-child(even){background:#fef3e7}\n.po-section h2{color:#8b5a2b;font-size:2em;font-weight:700;margin:0 0 20px 0;padding-bottom:12px;border-bottom:3px solid #b87333}\n.po-section h3{color:#0f172a;font-size:1.4em;font-weight:600;margin:30px 0 15px 0}\n.po-section p{font-size:1.05em;color:#334155;margin-bottom:18px}\n.po-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:30px 0}\n.po-card{background:#fff;border:1px solid #e2e8f0;border-top:4px solid #b87333;padding:25px;border-radius:4px}\n.po-card h4{color:#8b5a2b;font-size:1.15em;font-weight:700;margin:0 0 12px 0;text-transform:uppercase;letter-spacing:1px}\n.po-card p{font-size:.98em;color:#475569;margin:0}\n.po-highlight{background:#fef3e7;border-left:4px solid #b87333;padding:25px 30px;margin:30px 0;border-radius:4px}\n.po-highlight p{color:#1e293b;margin:0;font-size:1.05em}\n.po-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-cta h2{font-size:2.2em;font-weight:700;margin:0 0 20px 0;color:#fff;border:none;padding:0}\n.po-cta p{font-size:1.15em;opacity:.92;max-width:800px;margin:0 auto 20px auto;color:#fff}\n@media (max-width:768px){.po-hero{padding:40px 20px}.po-hero .po-title{font-size:1.8em}.po-section{padding:30px 20px}.po-section h2{font-size:1.6em}.po-grid{grid-template-columns:1fr}.po-cta{padding:40px 20px}.po-cta h2{font-size:1.6em}}\n\u003c\/style\u003e\n\u003cdiv class=\"po-wrap\"\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Alpine R2-W10\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003e10\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e0.58 ft³ Gross\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e0.50 ft³ Net\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e15\" × 13\" × 7.7\/12.4\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe Alpine R2-W10 in a Purpose-Built Sealed Wedge\u003c\/h2\u003e\n\u003cp\u003eAlpine's flagship R2-Series 10-inch subwoofer. Pulp\/Kevlar cone with PP\/ceramic dust cap, high-amplitude multi-roll Santoprene surround (US Pat 8,208,677), progressive spider with reinforced-layer tinsel leads (US Pat 6,810,988), cast aluminum frame with perimeter venting (US Pat 7,684,585). 65.5mm 4-layer voice coil on aluminum former, 123oz double-stacked strontium ferrite motor. 750W RMS, 20mm Xmax. R2-W10D2 or R2-W10D4.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003e0.58 cu ft gross produces 0.50 cu ft net after driver displacement. Clean alignment case: both coils land essentially at Butterworth in the same cabinet.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eThe R2-W10 mounts on the vertical trunk-lid-side face and fires rearward into the trunk cavity.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eAngled face matches ~20 degree factory seat lean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n\u003cp\u003eCone fires rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eTrunk acts as acoustic extension for smoother presentation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eWedge tucks against seat back; cargo space in front stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered for the Alpine R2-W10\u003c\/h2\u003e\n\u003cp\u003e0.50 cubic feet net produces Qtc 0.71 with the D2 coil and Qtc 0.73 with the D4 coil based on Alpine's published T\/S parameters. Both are essentially textbook Butterworth alignments. F3 lands at 47 Hz across both coils. Matches Alpine's own recommended sealed volume.\u003c\/p\u003e\n\u003ch3\u003eAlignment Numbers\u003c\/h3\u003e\n\u003cp\u003eD2 Qtc: 0.71 · D4 Qtc: 0.73 · Fc: ~47-48 Hz · F3: ~47 Hz both coils\u003c\/p\u003e\n\u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n\u003cp\u003eVertical baffle CNC-cut to 9.17\" (Alpine spec). Mounting depth required 6.9\". 8\/32 threaded inserts pressed into baffle backside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4\" MDF.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC-cut V-grooves at every panel intersection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eDouble-Layer 1.5\" Front Baffle\u003c\/h4\u003e\n\u003cp\u003eTwo bonded 3\/4\" MDF sheets at driver face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS\/carbon-fiber composite, 12g OFC pre-wired.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n\u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n\u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n\u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n\u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n\u003cp\u003eBox-only: bring your own R2-W10.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the Alpine R2-W10 to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eShips R2-W10D2 or R2-W10D4. Alpine's 8AWG push terminals with VC configuration jumpers let you wire the dual voice coils in series or parallel right at the driver. Target 500-750W RMS at the woofer's final impedance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eManufactured in Tullahoma, Tennessee. 1-year limited warranty. Call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eAlpine R2-W10: Butterworth Both Coils, One Cabinet\u003c\/h2\u003e\n\u003cp\u003e0.50 cubic feet net at Qtc 0.71-0.73. Essentially Butterworth on both coils in a wedge that fires the driver rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44536221040729,"sku":"PO 10-S W R2 BB","price":279.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871104089,"sku":"PO 10-S W R2 B","price":259.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO10-SWR2Front.jpg?v=1787533860"},{"product_id":"performance-optimized-wedge-sealed-12-enclosure-alpine-r2-w12","title":"Alpine R2-W12 Box: Sealed 12\" Wedge Enclosure","description":"\u003cstyle\u003e\n.po-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.8;color:#1e293b;max-width:1200px;margin:0 auto;background:#fff}\n.po-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-hero .po-title{font-size:2.6em;font-weight:800;text-transform:uppercase;letter-spacing:2px;margin:0 0 10px 0;color:#fff}\n.po-hero .po-subtitle{font-size:1.2em;font-weight:300;opacity:.9;margin:0 0 30px 0}\n.po-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:20px}\n.po-badge{background:rgba(184,115,51,.2);border:1px solid #b87333;color:#d99058;padding:8px 20px;border-radius:20px;font-size:.9em;font-weight:600;letter-spacing:.5px}\n.po-section{padding:50px 40px;border-bottom:1px solid #e2e8f0;background:#fff}\n.po-section:nth-child(even){background:#fef3e7}\n.po-section h2{color:#8b5a2b;font-size:2em;font-weight:700;margin:0 0 20px 0;padding-bottom:12px;border-bottom:3px solid #b87333}\n.po-section h3{color:#0f172a;font-size:1.4em;font-weight:600;margin:30px 0 15px 0}\n.po-section p{font-size:1.05em;color:#334155;margin-bottom:18px}\n.po-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:30px 0}\n.po-card{background:#fff;border:1px solid #e2e8f0;border-top:4px solid #b87333;padding:25px;border-radius:4px}\n.po-card h4{color:#8b5a2b;font-size:1.15em;font-weight:700;margin:0 0 12px 0;text-transform:uppercase;letter-spacing:1px}\n.po-card p{font-size:.98em;color:#475569;margin:0}\n.po-highlight{background:#fef3e7;border-left:4px solid #b87333;padding:25px 30px;margin:30px 0;border-radius:4px}\n.po-highlight p{color:#1e293b;margin:0;font-size:1.05em}\n.po-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-cta h2{font-size:2.2em;font-weight:700;margin:0 0 20px 0;color:#fff;border:none;padding:0}\n.po-cta p{font-size:1.15em;opacity:.92;max-width:800px;margin:0 auto 20px auto;color:#fff}\n@media (max-width:768px){.po-hero{padding:40px 20px}.po-hero .po-title{font-size:1.8em}.po-section{padding:30px 20px}.po-section h2{font-size:1.6em}.po-grid{grid-template-columns:1fr}.po-cta{padding:40px 20px}.po-cta h2{font-size:1.6em}}\n\u003c\/style\u003e\n\u003cdiv class=\"po-wrap\"\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Alpine R2-W12\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003e12\" Sealed Wedge Enclosure | Rear-Firing Trunk-Load Design\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e0.86 ft³ Gross\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e0.75 ft³ Net\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e15.3\" × 15\" × 8.89\/14.35\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe Alpine R2-W12 in a Purpose-Built Sealed Wedge\u003c\/h2\u003e\n\u003cp\u003eAlpine's flagship R2-Series 12-inch subwoofer. Pulp\/Kevlar cone, Santoprene surround, progressive spider, cast aluminum frame with perimeter venting. 65.5mm 4-layer aluminum voice coil, 144oz double-stacked strontium ferrite motor. 750W RMS, 20mm Xmax. R2-W12D2 or R2-W12D4.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003e0.86 cu ft gross produces 0.75 cu ft net after driver displacement. Matches Alpine's own recommended sealed volume. D2 lands Qtc 0.68 (near-Butterworth), D4 lands Qtc 0.81 (punchy).\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eThe R2-W12 mounts on the vertical trunk-lid-side face and fires rearward into the trunk cavity.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eAngled face matches ~20 degree factory seat lean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n\u003cp\u003eCone fires rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eTrunk acts as acoustic extension.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eWedge tucks against seat back; cargo space in front stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered for the Alpine R2-W12\u003c\/h2\u003e\n\u003cp\u003e0.75 cubic feet net produces Qtc 0.68 with the D2 coil (near-Butterworth musical) and Qtc 0.81 with the D4 coil (punchy) based on Alpine's published T\/S. Sits at the middle of Alpine's own recommended sealed range.\u003c\/p\u003e\n\u003ch3\u003eAlignment Numbers\u003c\/h3\u003e\n\u003cp\u003eD2 Qtc: 0.68 · D4 Qtc: 0.81 · Fc: ~48 Hz · F3: 43-50 Hz depending on coil\u003c\/p\u003e\n\u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n\u003cp\u003eVertical baffle CNC-cut to 10.88\" (Alpine spec). Mounting depth required 7.45\". 8\/32 threaded inserts pressed into baffle backside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4\" MDF.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC-cut V-grooves at every panel intersection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eDouble-Layer 1.5\" Front Baffle\u003c\/h4\u003e\n\u003cp\u003eTwo bonded 3\/4\" MDF sheets at driver face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS\/carbon-fiber composite, 12g OFC pre-wired.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n\u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n\u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n\u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n\u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n\u003cp\u003eBox-only: bring your own R2-W12.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the Alpine R2-W12 to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eShips R2-W12D2 or R2-W12D4. Alpine's 8AWG push terminals with VC configuration jumpers let you wire the dual voice coils in series or parallel right at the driver. Target 500-750W RMS at the woofer's final impedance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eManufactured in Tullahoma, Tennessee. 1-year limited warranty. Call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eAlpine R2-W12: Alpine's Own Sealed Spec\u003c\/h2\u003e\n\u003cp\u003e0.75 cubic feet net, matches Alpine's published sealed volume, in a wedge that fires the driver rearward into the trunk cavity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44536223105113,"sku":"PO 12-S W R2 BB","price":309.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589871497305,"sku":"PO 12-S W R2 B","price":289.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO_12-S_W_R2_Front.jpg?v=1791506922"},{"product_id":"performance-optimized-wedge-sealed-dual-10-enclosure-alpine-r2-w10","title":"Alpine R2-W10 Dual Box: Sealed 10\" Wedge Enclosure","description":"\u003cstyle\u003e\n.po-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.8;color:#1e293b;max-width:1200px;margin:0 auto;background:#fff}\n.po-hero{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-hero .po-title{font-size:2.6em;font-weight:800;text-transform:uppercase;letter-spacing:2px;margin:0 0 10px 0;color:#fff}\n.po-hero .po-subtitle{font-size:1.2em;font-weight:300;opacity:.9;margin:0 0 30px 0}\n.po-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:20px}\n.po-badge{background:rgba(184,115,51,.2);border:1px solid #b87333;color:#d99058;padding:8px 20px;border-radius:20px;font-size:.9em;font-weight:600;letter-spacing:.5px}\n.po-section{padding:50px 40px;border-bottom:1px solid #e2e8f0;background:#fff}\n.po-section:nth-child(even){background:#fef3e7}\n.po-section h2{color:#8b5a2b;font-size:2em;font-weight:700;margin:0 0 20px 0;padding-bottom:12px;border-bottom:3px solid #b87333}\n.po-section h3{color:#0f172a;font-size:1.4em;font-weight:600;margin:30px 0 15px 0}\n.po-section p{font-size:1.05em;color:#334155;margin-bottom:18px}\n.po-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:30px 0}\n.po-card{background:#fff;border:1px solid #e2e8f0;border-top:4px solid #b87333;padding:25px;border-radius:4px}\n.po-card h4{color:#8b5a2b;font-size:1.15em;font-weight:700;margin:0 0 12px 0;text-transform:uppercase;letter-spacing:1px}\n.po-card p{font-size:.98em;color:#475569;margin:0}\n.po-highlight{background:#fef3e7;border-left:4px solid #b87333;padding:25px 30px;margin:30px 0;border-radius:4px}\n.po-highlight p{color:#1e293b;margin:0;font-size:1.05em}\n.po-cta{background:linear-gradient(135deg,#0f172a 0%,#8b5a2b 100%);padding:60px 40px;text-align:center;color:#fff}\n.po-cta h2{font-size:2.2em;font-weight:700;margin:0 0 20px 0;color:#fff;border:none;padding:0}\n.po-cta p{font-size:1.15em;opacity:.92;max-width:800px;margin:0 auto 20px auto;color:#fff}\n@media (max-width:768px){.po-hero{padding:40px 20px}.po-hero .po-title{font-size:1.8em}.po-section{padding:30px 20px}.po-section h2{font-size:1.6em}.po-grid{grid-template-columns:1fr}.po-cta{padding:40px 20px}.po-cta h2{font-size:1.6em}}\n\u003c\/style\u003e\n\u003cdiv class=\"po-wrap\"\u003e\n\u003cdiv class=\"po-hero\"\u003e\n\u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Alpine R2-W10 Dual\u003c\/p\u003e\n\u003cp class=\"po-subtitle\"\u003eDual 10\" Sealed Wedge | Two Separate Chambers | Rear-Firing Trunk-Load\u003c\/p\u003e\n\u003cdiv class=\"po-badges\"\u003e\n\u003cspan class=\"po-badge\"\u003e1.16 ft³ Gross\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e0.50 ft³ Net\/Ch\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eDual Chamber\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003e28.5\" × 13\" × 7.65\/12.4\"\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eThe Alpine R2-W10 in a Dual-Driver Sealed Wedge\u003c\/h2\u003e\n\u003cp\u003eTwo R2-W10s in a single trunk-loading wedge with fully independent sealed chambers. 750W RMS per driver, +6dB headroom over single. Standing Proline X design rule: dual sealed enclosures always get full-height chamber dividers.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003e1.16 cu ft total gross, split into 0.58 cu ft per-chamber gross, 0.50 cu ft per-chamber net. Same clean Butterworth alignment as the single-driver PO Wedge for R2-W10.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTwo Fully Separate Chambers\u003c\/h2\u003e\n\u003cp\u003eFull-height, full-depth 3\/4\" MDF divider between the two chambers. Each driver sees its own dedicated air volume and its own terminal cup.\u003c\/p\u003e\n\u003cdiv class=\"po-highlight\"\u003e\u003cp\u003eAll Proline X dual-driver sealed enclosures use this architecture. Each driver produces its own clean sealed alignment.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n\u003cp\u003eBoth R2-W10s mount on the vertical trunk-lid-side face and fire rearward into the trunk cavity.\u003c\/p\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n\u003cp\u003eAngled face matches ~20 degree factory seat lean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk-Lid-Side Face Fires the Woofers\u003c\/h4\u003e\n\u003cp\u003eBoth drivers on vertical face, firing rearward.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTrunk Cavity Loading\u003c\/h4\u003e\n\u003cp\u003eTrunk acts as acoustic extension.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003ePreserves Trunk Cargo Space\u003c\/h4\u003e\n\u003cp\u003eWedge tucks against seat back; cargo space in front stays usable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eEngineered for the Alpine R2-W10\u003c\/h2\u003e\n\u003cp\u003ePer-chamber 0.50 cubic feet net gives Butterworth alignment on both coils: D2 lands Qtc 0.71, D4 lands Qtc 0.73. Same as the single-driver PO Wedge. Run matched impedance drivers only.\u003c\/p\u003e\n\u003ch3\u003eAlignment Numbers (Per Chamber)\u003c\/h3\u003e\n\u003cp\u003eD2 Qtc: 0.71 · D4 Qtc: 0.73 · Fc: ~47-48 Hz · F3: ~47 Hz both coils\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n\u003cdiv class=\"po-grid\"\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n\u003cp\u003ePremium 3\/4\" MDF panels + 3\/4\" chamber divider.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n\u003cp\u003eCNC-cut V-grooves at every panel intersection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eDouble-Layer 1.5\" Front Baffle\u003c\/h4\u003e\n\u003cp\u003eTwo bonded 3\/4\" MDF sheets at both driver positions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-card\"\u003e\n\u003ch4\u003eTwo Pre-Wired Terminal Cups\u003c\/h4\u003e\n\u003cp\u003eOne per chamber, 12g OFC pre-wired.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n\u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n\u003cp\u003eEvery Performance Optimized enclosure is wrapped in \u003cstrong\u003ePlush Black\u003c\/strong\u003e carpet as standard.\u003c\/p\u003e\n\u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eblack acrylic baffle insert\u003c\/strong\u003e comes standard. Or skip the insert entirely (-$20) for a clean, understated look. The insert is purely cosmetic. Performance is identical either way.\u003c\/p\u003e\n\u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n\u003cp\u003eBox-only: bring your own pair of matched R2-W10 drivers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eWiring the R2-W10 Pair to Your Amplifier\u003c\/h2\u003e\n\u003cp\u003eTwo independent terminal cups let you wire in series or parallel externally at the amp. Alpine's 8AWG push terminals with VC jumpers let you handle coil wiring at each driver first, then combine externally. Run matched impedance drivers only.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-section\"\u003e\n\u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n\u003cp\u003eManufactured in Tullahoma, Tennessee. 1-year limited warranty. Call 931-563-5151.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"po-cta\"\u003e\n\u003ch2\u003eAlpine R2-W10 Dual, Butterworth on Both, Doubled Up\u003c\/h2\u003e\n\u003cp\u003e0.50 cubic feet net per chamber, Butterworth on both coils, doubled up for +6dB of headroom.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Black","offer_id":44536357159001,"sku":"PO 10D-S W R2 BB","price":339.99,"currency_code":"USD","in_stock":true},{"title":"None","offer_id":44589872349273,"sku":"PO 10D-S W R2 B","price":319.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO10D-SWR2Front.jpg?v=1787514165"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/collections\/proline-x-performance-optimized-series-enclosures-4896487.webp?v=1779354924","url":"https:\/\/audiointensity.com\/collections\/proline-x-performance-optimized-series.oembed?page=6","provider":"Audio Intensity","version":"1.0","type":"link"}