{"title":"Sealed Subwoofer Boxes","description":"\u003cdiv class=\"ai-collection-block\"\u003e\n\u003ch2\u003eWhy Choose a Sealed Subwoofer Box for Car Audio\u003c\/h2\u003e\n\u003cp\u003eA sealed subwoofer enclosure is an airtight cabinet that uses the trapped air inside the box as a controlled spring acting on the subwoofer cone. The result is the tightest, most accurate bass alignment available: clean attack, smooth roll-off, and predictable cone control across the entire frequency range. For SQ-focused builds, sealed is the standard.\u003c\/p\u003e\n\u003cp\u003eThe sealed sub box wins on three counts compared to ported alignments. First, transient response: sealed enclosures start and stop precisely with the music, reproducing each kick drum, bass guitar pluck, and synth note as a distinct event rather than as a smeared low-frequency wash. Second, frequency response: the gradual 12 dB per octave roll-off below resonance integrates predictably with vehicle cabin gain, often producing a perceived flat response into the deep sub-bass region. Third, footprint: sealed enclosures require significantly less internal volume than ported equivalents, which matters in space-constrained installs.\u003c\/p\u003e\n\u003cp\u003eThe tradeoff is efficiency. Sealed alignments produce less SPL output per watt than ported alignments, so they need more clean amplifier power to reach the same volume. For an SQ build, that's a fair trade. For a build prioritizing maximum loudness, a \u003ca href=\"https:\/\/audiointensity.com\/collections\/ported-subwoofer-boxes\"\u003eported subwoofer enclosure\u003c\/a\u003e is the better choice. If you are still deciding between the two alignments, the \u003ca href=\"https:\/\/audiointensity.com\/pages\/subwoofer-enclosure-design-guide\"\u003esubwoofer box design guide\u003c\/a\u003e works through the tradeoff in detail.\u003c\/p\u003e\n\u003ch3\u003eSealed vs Ported at a Glance\u003c\/h3\u003e\n\u003ctable class=\"ai-compare\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e \u003c\/th\u003e\n\u003cth\u003eSealed\u003c\/th\u003e\n\u003cth\u003ePorted\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBass character\u003c\/td\u003e\n\u003ctd data-label=\"Sealed\"\u003eTight and controlled; notes start and stop cleanly\u003c\/td\u003e\n\u003ctd data-label=\"Ported\"\u003eLouder, with reinforced output around the tuning frequency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoll-off below resonance\u003c\/td\u003e\n\u003ctd data-label=\"Sealed\"\u003e12 dB per octave, integrates with cabin gain\u003c\/td\u003e\n\u003ctd data-label=\"Ported\"\u003e24 dB per octave below tuning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd data-label=\"Sealed\"\u003eNeeds more amplifier power for the same SPL\u003c\/td\u003e\n\u003ctd data-label=\"Ported\"\u003eMore output per watt near tuning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBox size\u003c\/td\u003e\n\u003ctd data-label=\"Sealed\"\u003eSmaller for the same driver\u003c\/td\u003e\n\u003ctd data-label=\"Ported\"\u003eLarger; port volume adds to the footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolyfill\u003c\/td\u003e\n\u003ctd data-label=\"Sealed\"\u003ePre-installed in every sealed build\u003c\/td\u003e\n\u003ctd data-label=\"Ported\"\u003eNot used; it would shift the port tuning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubsonic filter\u003c\/td\u003e\n\u003ctd data-label=\"Sealed\"\u003eOptional\u003c\/td\u003e\n\u003ctd data-label=\"Ported\"\u003eRequired, set about 10 Hz below the tuning frequency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver fit\u003c\/td\u003e\n\u003ctd data-label=\"Sealed\"\u003eQts 0.4 to 0.7, EBP at or below 50\u003c\/td\u003e\n\u003ctd data-label=\"Ported\"\u003eQts below 0.4, EBP of 100 or higher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePick it when\u003c\/td\u003e\n\u003ctd data-label=\"Sealed\"\u003eAccuracy and space matter more than peak output\u003c\/td\u003e\n\u003ctd data-label=\"Ported\"\u003eMaximum loudness in the 25 to 35 Hz octave is the goal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat Makes Our Sealed Enclosures Different\u003c\/h2\u003e\n\u003cp\u003eThe sealed subwoofer box market is full of cheap MDF boxes built to a price point. We don't build to one. Every Audio Intensity sealed enclosure uses Langboard Elite MDF (48.5 lb\/ft³ density, 200 psi internal bond strength), the highest-grade MDF available for enclosure construction. Cabinet panels are joined using Dado and V-Groove cuts that mechanically interlock at each panel intersection before bonding, eliminating the panel flex and joint failures that plague lower-grade construction.\u003c\/p\u003e\n\u003cp\u003eEvery cabinet is CNC-cut on ShopSabre routers in our Tullahoma, Tennessee facility. Internal volume is calculated to specific Thiele-Small parameters (for driver-matched enclosures) or to the most common driver Qts range in that size class (for universal-fit enclosures). Each enclosure is engineered around those target parameters rather than generic outside dimensions alone. Warranty runs 1 year on Performance and Performance Optimized Series and 2 years on Professional Series, covering structural failure and manufacturing defects. The term that applies to a given cabinet is listed on its product page.\u003c\/p\u003e\n\u003ch2\u003eDriver-Matched vs Universal-Fit Sealed Enclosures\u003c\/h2\u003e\n\u003cp\u003eThe collection includes both driver-matched and universal-fit sealed subwoofer boxes. The choice depends on which subwoofer you're running.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDriver-matched sealed enclosures (\u003ca href=\"https:\/\/audiointensity.com\/collections\/proline-x-performance-optimized-series\"\u003ePerformance Optimized\u003c\/a\u003e and \u003ca href=\"https:\/\/audiointensity.com\/collections\/proline-x-professional-series\"\u003eProfessional Series\u003c\/a\u003e):\u003c\/strong\u003e Internal volume is engineered around a specific speaker model's published Thiele-Small parameters, with air space, baffle dimensions, and threaded inserts calculated for a proper enclosure. We currently build driver-matched sealed enclosures for \u003ca href=\"https:\/\/audiointensity.com\/collections\/image-dynamics-idmax-series\"\u003eImage Dynamics IDMAX\u003c\/a\u003e (10 and 12 inch), JL Audio W7 and W6v3 (10 and 12 inch), and the Audiomobile Encore 15 inch. If you're running one of these drivers, the matched enclosure extracts more output and accuracy than a universal box could.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUniversal-fit sealed enclosures (\u003ca href=\"https:\/\/audiointensity.com\/collections\/proline-x-performance-series\"\u003ePerformance Series\u003c\/a\u003e):\u003c\/strong\u003e Internal volume is calculated in cubic feet to the most common driver Qts range in the size class, making the box compatible with the majority of mainstream subwoofers. Available in \u003ca href=\"https:\/\/audiointensity.com\/collections\/8-inch-subwoofer-boxes\"\u003e8\u003c\/a\u003e, \u003ca href=\"https:\/\/audiointensity.com\/collections\/10-inch-subwoofers\"\u003e10\u003c\/a\u003e, \u003ca href=\"https:\/\/audiointensity.com\/collections\/12-inch-subwoofers\"\u003e12\u003c\/a\u003e, and \u003ca href=\"https:\/\/audiointensity.com\/collections\/15-inch-subwoofers\"\u003e15\u003c\/a\u003e inch sizes across single, dual, and triple configurations. The universal-fit option is the right pick when you're using a driver outside our matched lineup or when you want flexibility to swap drivers later.\u003c\/p\u003e\n\u003ch2\u003eSizing the Sealed Box for Your Driver\u003c\/h2\u003e\n\u003cp\u003eThe internal volume of a sealed subwoofer box determines the system's Qtc (total Q of the driver\/box system), which in turn determines the bass character, but the enclosure still needs to match the specific subwoofer model, not just the driver size. A Qtc near 0.707 (Butterworth alignment) produces the flattest possible response. Higher Qtc values (around 0.9) create a small peak before roll-off for additional perceived punch. Lower Qtc values (around 0.6) produce more damped, controlled bass at the cost of low-end depth.\u003c\/p\u003e\n\u003cp\u003eFor drivers with Qts between 0.4 and 0.7, sealed alignment is the natural fit. Drivers with Qts below 0.4 are typically optimized for ported alignments and may sound lean in a sealed box. Drivers with Qts above 0.7 may sound boomy unless given a very large sealed enclosure or run free-air. If you're unsure whether your driver is suited for a sealed enclosure, run its Fs and Qes through our \u003ca href=\"https:\/\/audiointensity.com\/pages\/ebp-calculator\"\u003eEBP calculator\u003c\/a\u003e, then check the manufacturer's recommended box volumes for sealed and ported alignments. The closer the recommendations are to each other, the more flexibility you have, but driver-matched designs still depend on internal air space calculated in cubic feet around the driver's parameters, and even a universal enclosure only works properly when the speaker's specs align with the box.\u003c\/p\u003e\n\u003ch2\u003eBest Sealed Subwoofer Box for Your Build\u003c\/h2\u003e\n\u003cp\u003eThe right sealed subwoofer box depends on driver size, the net volume measured in cubic feet, available install space, and whether you're matching to a specific driver model or running a universal-fit alignment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor \u003ca href=\"https:\/\/audiointensity.com\/collections\/8-inch-subwoofer-boxes\"\u003e8 inch sealed builds\u003c\/a\u003e:\u003c\/strong\u003e The Performance P8-S series fits compact behind-seat installs and small cargo applications where preserving cargo space still matters. Single, dual, and triple 8 inch configurations available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor \u003ca href=\"https:\/\/audiointensity.com\/collections\/10-inch-subwoofers\"\u003e10 inch sealed builds\u003c\/a\u003e:\u003c\/strong\u003e The Performance P10-S covers universal 10 inch fitments. Image Dynamics IDMAX 10 buyers get the Pro 10-S IDM (Professional Series double-baffle), and JL Audio 10W7 and 10W6v3 drivers each get a dedicated driver-matched enclosure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor \u003ca href=\"https:\/\/audiointensity.com\/collections\/12-inch-subwoofers\"\u003e12 inch sealed builds\u003c\/a\u003e:\u003c\/strong\u003e Largest selection in the collection. Universal-fit P12-S, Image Dynamics matched Pro 12-S IDM, JL Audio 12W7 and 12W6v3 matched builds, and the dual P12D-S cover most 12 inch sealed buyer scenarios. If you're planning an upgrade in an SUV or truck with a rear seat constraint, lower Qtc values can improve perceived low-end depth while keeping bass controlled.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor \u003ca href=\"https:\/\/audiointensity.com\/collections\/15-inch-subwoofers\"\u003e15 inch sealed builds\u003c\/a\u003e:\u003c\/strong\u003e The Performance P15-S handles universal 15 inch driver fitments. The Pro AM 15-S is built specifically for the Audiomobile Encore 15 with sealed \u003ca href=\"https:\/\/audiointensity.com\/collections\/downfire-subwoofer-box\"\u003edown-firing\u003c\/a\u003e geometry for cargo-bay installs.\u003c\/p\u003e\n\u003cp\u003eBrowsing more broadly? The \u003ca href=\"https:\/\/audiointensity.com\/collections\/subwoofer-box\"\u003efull subwoofer enclosure range\u003c\/a\u003e covers sealed, ported, down-fire, and vehicle-specific cabinets, and \u003ca href=\"https:\/\/audiointensity.com\/collections\/car-subwoofers\"\u003ecar subwoofers\u003c\/a\u003e lists the drivers we build them for.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Sealed Subwoofer Box Questions\u003c\/h2\u003e\n\u003ch3\u003eIs a sealed subwoofer box better than a ported box?\u003c\/h3\u003e\n\u003cp\u003eFor sound quality, yes. Sealed enclosures deliver tighter, more accurate bass with better transient response and a smoother frequency roll-off. For maximum loudness or competition SPL, ported is more efficient and produces more output per watt. The choice comes down to listening priorities. SQ-focused builds, audiophile listening, and most music styles outside hip-hop and EDM benefit more from a sealed alignment.\u003c\/p\u003e\n\u003ch3\u003eHow do I know if my subwoofer is right for a sealed box?\u003c\/h3\u003e\n\u003cp\u003eCheck the driver's Qts (total Q) parameter. Drivers with Qts between 0.4 and 0.7 are ideal for sealed enclosures, while ported boxes generally play louder and sealed designs focus more on accuracy and control. Drivers with Qts below 0.4 are typically optimized for ported alignments, so it's important to confirm the driver is compatible with the enclosure you plan to use. The driver's manufacturer specification sheet will list the Qts. If you don't have access to it, check the manufacturer's website or contact our tech team with your driver model and we'll confirm. A ported enclosure can be more fun if you mostly listen for maximum slam, while sealed is the better fit when you listen for definition.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between Performance and Performance Optimized sealed boxes?\u003c\/h3\u003e\n\u003cp\u003ePerformance Series sealed boxes are universal-fit, with internal volume calculated for the typical driver in the size class. Check the driver’s specification sheet to assure the subwoofer is compatible with the enclosure alignment, not just the right diameter. Performance Optimized sealed boxes are tuned to specific driver models (JL Audio, Image Dynamics, etc.) using the driver's published Thiele-Small parameters. The Performance Optimized series produces more output and accuracy with the matched driver. The Performance Series gives you flexibility to use any driver in the size class. For recommended sealed and ported volumes, it also helps to check the manufacturer’s website before contacting our tech team.\u003c\/p\u003e\n\u003ch3\u003eDo I need to add polyfill to a sealed subwoofer box?\u003c\/h3\u003e\n\u003cp\u003eEvery sealed enclosure we build ships with polyfill pre-installed, sized to that cabinet's internal volume, so there is nothing for you to add. Polyfill in a sealed alignment reduces internal standing wave reflections and makes the box behave as though it were 15 to 25 percent larger, which is why the internal volume is calculated with the fill already in place. Polyfill is a sealed-alignment material only. We do not ship it in ported enclosures, where it would shift the port tuning the box was designed around.\u003c\/p\u003e\n\u003ch3\u003eWhat size amplifier do I need for a sealed sub box?\u003c\/h3\u003e\n\u003cp\u003eMatch the amplifier's RMS output at your wired impedance to the subwoofer's RMS rating, and allow 20 to 30 percent headroom for dynamic peaks. A driver rated 400W continuous pairs well with an amp delivering around 480W continuous. Sealed alignments are less efficient than ported alignments, so they typically require more amplifier power to reach the same SPL. Underpowering into clipping is far more dangerous than slight overpowering with a clean signal. A \u003ca href=\"https:\/\/audiointensity.com\/collections\/monoblock-amplifier\"\u003emonoblock amplifier\u003c\/a\u003e matched to the driver's RMS rating at the final wired impedance is the standard approach.\u003c\/p\u003e\n\u003ch3\u003eWill a sealed subwoofer box fit in my truck or SUV?\u003c\/h3\u003e\n\u003cp\u003eSealed boxes are significantly more compact than ported equivalents, which makes them the right choice for space-constrained installs where preserving cargo space matters. The collection includes single 8 inch enclosures suitable for behind-seat truck installs or under the rear seat in some applications, dual 10 inch boxes for SUV cargo areas, and triple 8 inch configurations for builders who need output in a low-profile footprint. Unlike a ported design that relies on a tuned window for efficiency, a sealed enclosure keeps the footprint simpler and easier to package. For vehicle-specific direct-fit sealed enclosures, see the \u003ca href=\"https:\/\/audiointensity.com\/collections\/vehicle-specific-subwoofer-enclosure\"\u003eVehicle Specific Series\u003c\/a\u003e. For shallow-mount sealed cabinets, see the \u003ca href=\"https:\/\/audiointensity.com\/collections\/proline-x-micro-series\"\u003eMicro Series\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhat are typical lead times, and what affects them?\u003c\/h3\u003e\n\u003cp\u003eEnclosures ship within 2 to 5 business days, depending on our current workload. Custom Proline X builds depend on the current production queue and matched driver availability. Finishes that require hand trimming or custom carpeting add time. We publish estimated production windows on each SKU and confirm lead time at order. A deposit secures your slot and starts the verification process.\u003c\/p\u003e\n\u003ch3\u003eWhat installation guidance do you provide?\u003c\/h3\u003e\n\u003cp\u003eEach product page includes a drawing with the mounting footprint and recommended fasteners. We supply a downloadable installation checklist with wiring gauge and isolation pad recommendations. For complex fitments, send photos and measurements, and we will advise on trimming and clearance to avoid surprises.\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"proline-x-p10-s-single-10-sealed-subwoofer-enclosure-v3","title":"Proline X P10-S | Single 10\" Sealed Subwoofer Enclosure | V3","description":"\u003cstyle\u003e\n .px-desc {\n font-family: 'Helvetica Neue', Arial, sans-serif;\n line-height: 1.8;\n color: #1e293b;\n max-width: 1200px;\n margin: 0 auto;\n background: #ffffff;\n }\n\n .px-hero {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-hero .px-title {\n font-size: 2.6em;\n font-weight: 800;\n text-transform: uppercase;\n letter-spacing: 2px;\n margin: 0 0 10px 0;\n color: white;\n }\n\n .px-hero .px-subtitle {\n font-size: 1.2em;\n font-weight: 300;\n opacity: 0.9;\n margin: 0 0 30px 0;\n }\n\n .px-badges {\n display: flex;\n justify-content: center;\n flex-wrap: wrap;\n gap: 12px;\n margin-top: 20px;\n }\n\n .px-badge {\n background: rgba(6, 182, 212, 0.2);\n border: 1px solid #06b6d4;\n color: #67e8f9;\n padding: 8px 20px;\n border-radius: 20px;\n font-size: 0.9em;\n font-weight: 600;\n letter-spacing: 0.5px;\n }\n\n .px-section {\n padding: 50px 40px;\n border-bottom: 1px solid #e2e8f0;\n background: #ffffff;\n }\n\n .px-section:nth-child(even) {\n background: #f0f9ff;\n }\n\n .px-section h2 {\n color: #0e7490;\n font-size: 2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n padding-bottom: 12px;\n border-bottom: 3px solid #06b6d4;\n }\n\n .px-section h3 {\n color: #0f172a;\n font-size: 1.4em;\n font-weight: 600;\n margin: 30px 0 15px 0;\n }\n\n .px-section p {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 18px;\n }\n\n .px-section ul {\n margin: 15px 0;\n padding-left: 25px;\n }\n\n .px-section li {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 10px;\n line-height: 1.7;\n }\n\n .px-grid {\n display: grid;\n grid-template-columns: repeat(2, 1fr);\n gap: 24px;\n margin: 30px 0;\n }\n\n .px-card {\n background: #ffffff;\n border: 1px solid #e2e8f0;\n border-top: 4px solid #06b6d4;\n border-radius: 6px;\n padding: 24px;\n }\n\n .px-card h4 {\n color: #0e7490;\n font-size: 1.15em;\n font-weight: 700;\n margin: 0 0 12px 0;\n }\n\n .px-card p {\n font-size: 1em;\n color: #475569;\n margin: 0;\n line-height: 1.7;\n }\n\n .px-highlight {\n background: #f0f9ff;\n border-left: 5px solid #06b6d4;\n padding: 24px 28px;\n margin: 28px 0;\n border-radius: 0 6px 6px 0;\n }\n\n .px-highlight h3 {\n color: #0e7490;\n margin: 0 0 12px 0;\n font-size: 1.2em;\n }\n\n .px-highlight p {\n margin-bottom: 10px;\n color: #1e293b;\n }\n\n .px-cta {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-cta h2 {\n font-size: 2.2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n color: white;\n border: none;\n padding: 0;\n }\n\n .px-cta p {\n font-size: 1.15em;\n opacity: 0.92;\n max-width: 800px;\n margin: 0 auto 20px auto;\n color: white;\n }\n\n .px-driver-link {\n display: inline-block;\n background: #f0f9ff;\n border: 2px solid #06b6d4;\n border-radius: 6px;\n padding: 16px 24px;\n margin: 10px 10px 10px 0;\n text-decoration: none;\n color: #0e7490;\n font-weight: 700;\n font-size: 1em;\n transition: all 0.2s ease;\n }\n\n .px-driver-link:hover {\n background: #06b6d4;\n color: white;\n }\n\n @media (max-width: 768px) {\n .px-hero { padding: 40px 20px; }\n .px-hero .px-title { font-size: 1.8em; }\n .px-section { padding: 30px 20px; }\n .px-section h2 { font-size: 1.6em; }\n .px-grid { grid-template-columns: 1fr; }\n .px-cta { padding: 40px 20px; }\n .px-cta h2 { font-size: 1.6em; }\n }\n\u003c\/style\u003e\n\n\u003cdiv class=\"px-desc\"\u003e\n\n \u003c!-- Hero --\u003e\n \u003cdiv class=\"px-hero\"\u003e\n \u003cp class=\"px-title\"\u003eProline X P10-S\u003c\/p\u003e\n \u003cp class=\"px-subtitle\"\u003eSingle 10\" Sealed Subwoofer Enclosure | V3\u003c\/p\u003e\n \u003cdiv class=\"px-badges\"\u003e\n \u003cspan class=\"px-badge\"\u003e0.70 ft³ Net\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003eSealed Alignment\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003e6.25\" Max Depth\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003e0.75\" Single Baffle\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Introduction --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eAccurate 10\" Bass. Compact Enough to Fit Where Larger Boxes Cannot.\u003c\/h2\u003e\n \u003cp\u003eThe \u003cstrong\u003eProline X P10-S\u003c\/strong\u003e is a single 10\" sealed enclosure built for installs where accuracy and a controlled response curve matter more than raw output. The 10\" driver occupies a specific place in car audio. It produces more output and lower frequency extension than an 8\" while maintaining the transient speed and articulation that a 12\" or 15\" driver cannot match at the same power level. Sealed alignment preserves those qualities by keeping the response flat and predictable, with no port resonance, no tuning peak, and no frequency-specific coloration.\u003c\/p\u003e\n \u003cp\u003eAt \u003cstrong\u003e14.5\" wide, 12\" tall, and 12.5\" deep\u003c\/strong\u003e, the P10-S fits behind most rear seats in compact and mid-size vehicles, under most truck bench seats, and in trunk positions where a larger enclosure would not clear. The \u003cstrong\u003e6.25\" max mounting depth\u003c\/strong\u003e covers the majority of standard 10\" drivers. At 0.70 ft³ net, most 10\" drivers intended for sealed alignment sit comfortably within their recommended volume range without requiring damping material or volume correction.\u003c\/p\u003e\n \u003cp\u003eEvery panel is CNC-cut from \u003cstrong\u003eLangboard Elite MDF\u003c\/strong\u003e to exact internal volume and assembled by hand in our Tennessee facility. A single recessed \u003cstrong\u003eABS\/Carbon Fiber Composite terminal cup\u003c\/strong\u003e handles wiring, pre-wired with \u003cstrong\u003e12g OFC speaker wire\u003c\/strong\u003e. Finish options are Dark Gray Trunkliner or Plush Black. Shipping is included.\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003c!-- Why Sealed --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eWhy Sealed for a 10\" SQ or Daily Build\u003c\/h2\u003e\n \u003cp\u003eThe 10\" driver in sealed alignment is one of the most versatile bass configurations in car audio. It produces enough output to carry the full bass load in a daily driver system, enough low-frequency extension to cover the majority of musical content, and enough transient accuracy to integrate cleanly with a front stage without requiring precise DSP correction to blend. The sealed alignment at \u003cstrong\u003e0.70 ft³\u003c\/strong\u003e gives the driver a correctly-sized acoustic load that works across a wide range of 10\" drivers without customization.\u003c\/p\u003e\n \u003cp\u003eFor installs running a Goldhorn DSP or any active processor, sealed alignment is the preferred enclosure format. The predictable 12 dB\/octave rolloff responds accurately to DSP bass boost and crossover adjustments. You have full control over the final response without fighting port resonance or a ported tuning peak that requires correction before you can start tuning.\u003c\/p\u003e\n \u003cdiv class=\"px-grid\"\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eTransient Accuracy\u003c\/h4\u003e\n \u003cp\u003eSealed alignment preserves the start-stop precision that the 10\" format delivers. Bass notes have distinct attack and decay. The P10-S produces tight, accurate low frequencies that integrate cleanly with a front stage without requiring heavy DSP correction to blend.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eFlat, Predictable Response\u003c\/h4\u003e\n \u003cp\u003eNo port resonance. No tuning peak. No frequency-specific coloration. The P10-S produces a smooth, controlled rolloff below resonance that integrates cleanly with any front stage and responds accurately to DSP equalization.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003e0.70 ft³: Correctly Sized\u003c\/h4\u003e\n \u003cp\u003eMost 10\" drivers intended for sealed alignment specify optimal volumes between 0.50 ft³ and 1.0 ft³. The P10-S at 0.70 ft³ lands in the center of that range, providing universal compatibility across the majority of standard and SQ-oriented 10\" drivers.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eDSP-Friendly Alignment\u003c\/h4\u003e\n \u003cp\u003eSealed enclosures exhibit a predictable 12 dB\/octave rolloff that responds accurately to DSP bass boost and crossover adjustments. If you are running a Goldhorn DSP or any active processor, sealed is the alignment that gives you the most control over the final response.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Construction --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eConstruction: The Proline X Standard Applied to Every SKU\u003c\/h2\u003e\n \u003cp\u003eThe P10-S uses the same construction methodology as every enclosure in the Proline X Performance Series. Langboard Elite MDF. V-groove and dado joinery. In-house terminal cup. Hand-assembled in Tennessee. The variables are dimensions, volume, and alignment. The build quality is consistent across the entire lineup.\u003c\/p\u003e\n\n \u003ch3\u003eLangboard Elite MDF, Named, Verified, Documented\u003c\/h3\u003e\n \u003cp\u003eEvery panel is cut from \u003cstrong\u003eLangboard Elite MDF: 3\/4\" (18mm)\u003c\/strong\u003e, a named, mill-documented panel stock produced in the United States. The specifications below are pulled directly from Langboard's published mill data.\u003c\/p\u003e\n\n \u003cdiv class=\"px-highlight\"\u003e\n \u003ch3\u003eLangboard Elite: Published Mill Data\u003c\/h3\u003e\n \u003cp\u003e\u003cstrong\u003eDensity:\u003c\/strong\u003e 48.5 lbs\/ft³, higher density means less porosity, better screw retention, and reduced resonance\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eInternal Bond:\u003c\/strong\u003e 200 psi, resistance to delamination under sustained bass pressure cycling\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eModulus of Elasticity:\u003c\/strong\u003e 410,000 psi, panel stiffness under load; less flex means less resonance\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eFace Screw Holding:\u003c\/strong\u003e 325 lbs, baffle hardware stays locked under vibration\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eEdge Screw Holding:\u003c\/strong\u003e 250 lbs, joint integrity at every panel edge connection\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003ch3\u003eV-Groove and Dado Joinery\u003c\/h3\u003e\n \u003cp\u003eEvery panel joint uses \u003cstrong\u003eV-groove and dado joinery\u003c\/strong\u003e, CNC-cut interlocking grooves that mechanically lock panels before adhesive is applied. For a sealed enclosure, joint integrity is the single most important construction variable, a single air leak degrades output and response accuracy across the entire bass range. Every seam on the P10-S is mechanically locked before adhesive is applied.\u003c\/p\u003e\n\n \u003ch3\u003eIn-House ABS\/Carbon Fiber Composite Terminal Cup\u003c\/h3\u003e\n \u003cp\u003eThe terminal cup is built in-house at our Tennessee facility. The \u003cstrong\u003eABS\/Carbon Fiber Composite recessed cup\u003c\/strong\u003e features stainless steel hardware, aluminum landing plates, and copper ring terminals, pre-wired with \u003cstrong\u003e12g OFC speaker wire\u003c\/strong\u003e. The recessed mount protects terminals from cargo contact. Copper ring terminals provide a clean, corrosion-resistant connection that does not loosen under vibration.\u003c\/p\u003e\n\n \u003cdiv class=\"px-grid\"\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eShopSabre CNC Routers\u003c\/h4\u003e\n \u003cp\u003eEvery panel is machine-cut on ShopSabre industrial CNC routers. Consistent geometry, no hand-cut variance, no gaps at the joints. The internal volume of every P10-S is identical to spec.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eHand-Assembled in Tennessee\u003c\/h4\u003e\n \u003cp\u003eEvery enclosure is hand-assembled at our Tennessee facility and inspected before it ships. No overseas manufacturing. No batch assembly shortcuts.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eDark Gray Trunkliner or Plush Black\u003c\/h4\u003e\n \u003cp\u003eBoth finish options are professionally applied. Dark Gray Trunkliner blends with factory trunk materials for a clean, stealth appearance. Plush Black delivers the traditional aftermarket look. Both are durably bonded.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eShipping Included\u003c\/h4\u003e\n \u003cp\u003eNo freight charges at checkout. The price you see is the price you pay. The enclosure ships assembled and ready to install.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Fitment --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eFitment Guide\u003c\/h2\u003e\n \u003cp\u003eThe P10-S is one of the more compact single 10\" sealed enclosures available. At \u003cstrong\u003e14.5\"W x 12\"H x 12.5\"D\u003c\/strong\u003e it fits behind most rear seats in compact and mid-size vehicles and under most truck bench seats without modification.\u003c\/p\u003e\n\n \u003ch3\u003eDimensional Specifications\u003c\/h3\u003e\n \u003cdiv class=\"px-highlight\"\u003e\n \u003cp\u003e\u003cstrong\u003eExternal Dimensions:\u003c\/strong\u003e 14.5\" W x 12\" H x 12.5\" D\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eNet Internal Volume:\u003c\/strong\u003e 0.70 ft³\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eTuning Frequency:\u003c\/strong\u003e N\/A, Sealed\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eSubwoofer Cutout:\u003c\/strong\u003e 9.25\"\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eMax Mounting Depth:\u003c\/strong\u003e 6.25\"\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eFront Panel Thickness:\u003c\/strong\u003e 0.75\" Single Baffle\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003ch3\u003eDriver Compatibility\u003c\/h3\u003e\n \u003cp\u003eThe P10-S accommodates any 10\" subwoofer with a cutout diameter at or below \u003cstrong\u003e9.25\"\u003c\/strong\u003e and a mounting depth at or below \u003cstrong\u003e6.25\"\u003c\/strong\u003e. Verify both dimensions against your driver's published specifications before ordering.\u003c\/p\u003e\n\n \u003ch3\u003eCompatible Drivers\u003c\/h3\u003e\n \u003cp\u003eThe following drivers are available from Audio Intensity and are compatible with the P10-S:\u003c\/p\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-10-inch-subwoofer-nb2-series\"\u003eProdigy NB2-10D4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/image-dynamics-id10-v4-10-inch-subwoofer\"\u003eImage Dynamics ID10 V4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-10-inch-subwoofer-nb3-series\"\u003eProdigy NB3-10D4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/audiomobile-gt2-2010-10-subwoofer-single\"\u003eAudiomobile GT2 2010 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-1000-watt-10-inch-subwoofer-nb5-series\"\u003eProdigy NB5-10D4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/crescendo-revolution-710-10-inch-subwoofer\"\u003eCrescendo Revolution 710 \u003c\/a\u003e\n \u003cp style=\"font-size:0.9em; color:#64748b; margin-top:12px;\"\u003eAlways verify cutout diameter and mounting depth against your specific driver's published specifications before ordering.\u003c\/p\u003e\n\n \u003ch3\u003eIdeal Install Applications\u003c\/h3\u003e\n \u003cdiv class=\"px-grid\"\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eUnder Truck Bench Seat\u003c\/h4\u003e\n \u003cp\u003eAt 12.5\" deep and 12\" tall, the P10-S fits under most full-size truck bench seats without modification. A clean, invisible install that does not sacrifice cab space or passenger comfort.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eBehind Rear Seat\u003c\/h4\u003e\n \u003cp\u003eThe compact footprint fits behind most rear seats in compact and mid-size sedans. The 14.5\" width leaves room for spare tire access and cargo floor latches in most trunk configurations.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eSQ and DSP-Controlled Systems\u003c\/h4\u003e\n \u003cp\u003eSealed alignment and 0.70 ft³ net volume make the P10-S the correct enclosure for 10\" drivers used in sound quality and DSP-controlled builds where accuracy and front stage integration are the priority.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eDaily Driver Builds\u003c\/h4\u003e\n \u003cp\u003eThe compact footprint and flat sealed response make the P10-S a strong daily driver enclosure. Enough output for real bass impact, accurate enough to work with any music genre without sounding genre-specific.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- CTA --\u003e\n \u003cdiv class=\"px-cta\"\u003e\n \u003ch2\u003eAccurate 10\" Bass. Tennessee-Built. Shipping Included.\u003c\/h2\u003e\n \u003cp\u003eThe Proline X P10-S is a single 10\" sealed enclosure built to a spec, not a price point. Langboard Elite MDF. V-groove and dado joinery. In-house terminal cup. Hand-assembled in Tennessee and inspected before it ships.\u003c\/p\u003e\n \u003cp\u003eIf you need accurate, controlled bass from a compact 10\" footprint. This is the correct enclosure. \u003cstrong\u003e$169.99 Dark Gray Trunkliner. $179.99 Plush Black.\u003c\/strong\u003e Shipping included.\u003c\/p\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Plush Black","offer_id":42257043325017,"sku":"P10-S B","price":179.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner","offer_id":42257043357785,"sku":"P10-S G","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-p10-s-single-10-sealed-subwoofer-enclosure-v3subwoofer-enclosuresproline-x-6176457.jpg?v=1773823150"},{"product_id":"proline-x-e12-s-sealed-enclosure","title":"Proline X E12-S Sealed Enclosure","description":"\u003cbody\u003e\n\n\n    \u003cmeta charset=\"UTF-8\"\u003e\n    \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n    \u003ctitle\u003eProline X E12-S Single 12\" Sealed Subwoofer Enclosure - Budget Car Audio\u003c\/title\u003e\n    \u003cmeta name=\"description\" content=\"Proline X E12-S Single 12 inch Sealed Subwoofer Enclosure - American-made car audio bass solution with CNC precision and budget-friendly pricing. Perfect for upgrading your car stereo system.\"\u003e\n    \u003clink href=\"https:\/\/cdn.jsdelivr.net\/npm\/tailwindcss@2.2.19\/dist\/tailwind.min.css\" rel=\"stylesheet\"\u003e\n    \u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.jsdelivr.net\/npm\/@fortawesome\/fontawesome-free@6.4.0\/css\/all.min.css\"\u003e\n    \u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=Inter:wght@300;400;500;600;700\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n    \u003cstyle\u003e\n        body {\n            font-family: 'Inter', sans-serif;\n        }\n        .gradient-hero {\n            background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%);\n        }\n        .feature-card {\n            transition: transform 0.3s ease, box-shadow 0.3s ease;\n        }\n        .feature-card:hover {\n            transform: translateY(-5px);\n            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);\n        }\n        .spec-row:nth-child(even) {\n            background-color: #f9fafb;\n        }\n        .cta-button {\n            background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);\n            transition: all 0.3s ease;\n        }\n        .cta-button:hover {\n            background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);\n            transform: translateY(-2px);\n            box-shadow: 0 10px 20px rgba(220, 38, 38, 0.3);\n        }\n    \u003c\/style\u003e\n\n\n    \u003cdiv class=\"max-w-6xl mx-auto p-6\"\u003e\n        \n        \u003c!-- Hero Section --\u003e\n        \u003cdiv class=\"gradient-hero text-white rounded-2xl p-8 mb-8 text-center\"\u003e\n            \u003ch2 class=\"text-4xl md:text-5xl font-bold mb-4 text-white\"\u003eProline X E12-S Single 12\" Sealed Enclosure\u003c\/h2\u003e\n            \u003cp class=\"text-xl md:text-2xl mb-6 text-blue-100\"\u003ePremium Car Audio Bass Solution That Won't Break the Bank\u003c\/p\u003e\n            \u003cdiv class=\"flex justify-center items-center space-x-6 text-blue-100\"\u003e\n                \u003cdiv class=\"flex items-center\"\u003e\n                    \u003ci class=\"fas fa-flag-usa mr-2\"\u003e\u003c\/i\u003e\n                    \u003cspan class=\"font-medium\"\u003eMade in USA\u003c\/span\u003e\n                \u003c\/div\u003e\n                \u003cdiv class=\"flex items-center\"\u003e\n                    \u003ci class=\"fas fa-dollar-sign mr-2\"\u003e\u003c\/i\u003e\n                    \u003cspan class=\"font-medium\"\u003eBudget Friendly\u003c\/span\u003e\n                \u003c\/div\u003e\n                \u003cdiv class=\"flex items-center\"\u003e\n                    \u003ci class=\"fas fa-award mr-2\"\u003e\u003c\/i\u003e\n                    \u003cspan class=\"font-medium\"\u003e30+ Years Experience\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003c!-- Value Proposition --\u003e\n        \u003cdiv class=\"bg-gray-50 rounded-xl p-8 mb-8 text-center\"\u003e\n            \u003ch3 class=\"text-2xl font-bold text-gray-800 mb-4\"\u003eUncompromising Quality at an Economical Price Point\u003c\/h3\u003e\n            \u003cp class=\"text-lg text-gray-700 max-w-4xl mx-auto leading-relaxed\"\u003e\n                The \u003cstrong class=\"text-blue-600\"\u003eProline X E12-S Single 12\" Sealed Enclosure\u003c\/strong\u003e delivers unparalleled sound quality while staying budget-friendly. \n                As a cornerstone of the Proline X economy line, this sealed enclosure makes no compromises in providing excellent, deep, and clear bass output. \n                Perfect for music lovers who are conscious of their spending but refuse to compromise on audio quality.\n            \u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003c!-- Key Features Grid --\u003e\n        \u003cdiv class=\"mb-8\"\u003e\n            \u003ch3 class=\"text-3xl font-bold text-gray-800 mb-8 text-center\"\u003eWhy Choose the E12-S?\u003c\/h3\u003e\n            \u003cdiv class=\"grid md:grid-cols-2 lg:grid-cols-3 gap-6\"\u003e\n                \n                \u003cdiv class=\"feature-card bg-white rounded-xl p-6 shadow-lg border border-gray-100\"\u003e\n                    \u003cdiv class=\"text-blue-500 text-3xl mb-4\"\u003e\n                        \u003ci class=\"fas fa-flag-usa\"\u003e\u003c\/i\u003e\n                    \u003c\/div\u003e\n                    \u003ch4 class=\"text-xl font-semibold text-gray-800 mb-3\"\u003eHand-Built in USA\u003c\/h4\u003e\n                    \u003cp class=\"text-gray-600\"\u003eEvery enclosure is hand-built by skilled artisans in the United States, adhering to stringent quality controls and Made in USA standards.\u003c\/p\u003e\n                \u003c\/div\u003e\n\n                \u003cdiv class=\"feature-card bg-white rounded-xl p-6 shadow-lg border border-gray-100\"\u003e\n                    \u003cdiv class=\"text-green-500 text-3xl mb-4\"\u003e\n                        \u003ci class=\"fas fa-cut\"\u003e\u003c\/i\u003e\n                    \u003c\/div\u003e\n                    \u003ch4 class=\"text-xl font-semibold text-gray-800 mb-3\"\u003ePrecision CNC Cut\u003c\/h4\u003e\n                    \u003cp class=\"text-gray-600\"\u003eFeatures precision CNC cut MDF Ultralight material for maximum durability and optimized sound performance with seamless connections.\u003c\/p\u003e\n                \u003c\/div\u003e\n\n                \u003cdiv class=\"feature-card bg-white rounded-xl p-6 shadow-lg border border-gray-100\"\u003e\n                    \u003cdiv class=\"text-purple-500 text-3xl mb-4\"\u003e\n                        \u003ci class=\"fas fa-cog\"\u003e\u003c\/i\u003e\n                    \u003c\/div\u003e\n                    \u003ch4 class=\"text-xl font-semibold text-gray-800 mb-3\"\u003eSmart Engineering\u003c\/h4\u003e\n                    \u003cp class=\"text-gray-600\"\u003eSingle internal brace and interlocking design maintains structural integrity while minimizing sound distortion for clearer bass output.\u003c\/p\u003e\n                \u003c\/div\u003e\n\n                \u003cdiv class=\"feature-card bg-white rounded-xl p-6 shadow-lg border border-gray-100\"\u003e\n                    \u003cdiv class=\"text-red-500 text-3xl mb-4\"\u003e\n                        \u003ci class=\"fas fa-paint-brush\"\u003e\u003c\/i\u003e\n                    \u003c\/div\u003e\n                    \u003ch4 class=\"text-xl font-semibold text-gray-800 mb-3\"\u003ePremium Finish\u003c\/h4\u003e\n                    \u003cp class=\"text-gray-600\"\u003eAesthetically pleasing rounded external edges with sleek grey trunk liner that integrates seamlessly into any car interior.\u003c\/p\u003e\n                \u003c\/div\u003e\n\n                \u003cdiv class=\"feature-card bg-white rounded-xl p-6 shadow-lg border border-gray-100\"\u003e\n                    \u003cdiv class=\"text-yellow-500 text-3xl mb-4\"\u003e\n                        \u003ci class=\"fas fa-plug\"\u003e\u003c\/i\u003e\n                    \u003c\/div\u003e\n                    \u003ch4 class=\"text-xl font-semibold text-gray-800 mb-3\"\u003eQuality Terminals\u003c\/h4\u003e\n                    \u003cp class=\"text-gray-600\"\u003eHigh-quality terminal cups ensure reduced signal loss and improved overall sound quality with secure, reliable connections.\u003c\/p\u003e\n                \u003c\/div\u003e\n\n                \u003cdiv class=\"feature-card bg-white rounded-xl p-6 shadow-lg border border-gray-100\"\u003e\n                    \u003cdiv class=\"text-indigo-500 text-3xl mb-4\"\u003e\n                        \u003ci class=\"fas fa-weight-hanging\"\u003e\u003c\/i\u003e\n                    \u003c\/div\u003e\n                    \u003ch4 class=\"text-xl font-semibold text-gray-800 mb-3\"\u003eUltralight Design\u003c\/h4\u003e\n                    \u003cp class=\"text-gray-600\"\u003eMDF Ultralight construction provides the perfect balance of strength and weight, delivering efficient sound resonance.\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003c!-- Technical Specifications --\u003e\n        \u003cdiv class=\"bg-white rounded-xl shadow-lg border border-gray-200 p-8 mb-8\"\u003e\n            \u003ch3 class=\"text-3xl font-bold text-gray-800 mb-6 text-center\"\u003eComplete Specifications\u003c\/h3\u003e\n            \u003cdiv class=\"overflow-x-auto\"\u003e\n                \u003ctable class=\"w-full\"\u003e\n                    \u003cthead\u003e\n                        \u003ctr class=\"border-b-2 border-gray-200\"\u003e\n                            \u003cth class=\"text-left py-4 px-4 font-semibold text-gray-800 text-lg\"\u003eSpecification\u003c\/th\u003e\n                            \u003cth class=\"text-left py-4 px-4 font-semibold text-gray-800 text-lg\"\u003eDetails\u003c\/th\u003e\n                        \u003c\/tr\u003e\n                    \u003c\/thead\u003e\n                    \u003ctbody class=\"text-gray-700\"\u003e\n                        \u003ctr class=\"spec-row border-b border-gray-100\"\u003e\n                            \u003ctd class=\"py-4 px-4 font-medium\"\u003eEnclosure Type\u003c\/td\u003e\n                            \u003ctd class=\"py-4 px-4\"\u003eSealed (Acoustic Suspension)\u003c\/td\u003e\n                        \u003c\/tr\u003e\n                        \u003ctr class=\"spec-row border-b border-gray-100\"\u003e\n                            \u003ctd class=\"py-4 px-4 font-medium\"\u003eSubwoofer Capacity\u003c\/td\u003e\n                            \u003ctd class=\"py-4 px-4\"\u003eSingle 12\" driver\u003c\/td\u003e\n                        \u003c\/tr\u003e\n                        \u003ctr class=\"spec-row border-b border-gray-100\"\u003e\n                            \u003ctd class=\"py-4 px-4 font-medium\"\u003eInternal Volume\u003c\/td\u003e\n                            \u003ctd class=\"py-4 px-4\"\u003e1.1 cubic feet\u003c\/td\u003e\n                        \u003c\/tr\u003e\n                        \u003ctr class=\"spec-row border-b border-gray-100\"\u003e\n                            \u003ctd class=\"py-4 px-4 font-medium\"\u003eExternal Dimensions\u003c\/td\u003e\n                            \u003ctd class=\"py-4 px-4\"\u003e19\" W × 13.5\" D × 10.5\" H\u003c\/td\u003e\n                        \u003c\/tr\u003e\n                        \u003ctr class=\"spec-row border-b border-gray-100\"\u003e\n                            \u003ctd class=\"py-4 px-4 font-medium\"\u003eConstruction Material\u003c\/td\u003e\n                            \u003ctd class=\"py-4 px-4\"\u003eCNC-cut MDF Ultralight\u003c\/td\u003e\n                        \u003c\/tr\u003e\n                        \u003ctr class=\"spec-row border-b border-gray-100\"\u003e\n                            \u003ctd class=\"py-4 px-4 font-medium\"\u003eInternal Bracing\u003c\/td\u003e\n                            \u003ctd class=\"py-4 px-4\"\u003eSingle internal brace\u003c\/td\u003e\n                        \u003c\/tr\u003e\n                        \u003ctr class=\"spec-row border-b border-gray-100\"\u003e\n                            \u003ctd class=\"py-4 px-4 font-medium\"\u003eFinish\u003c\/td\u003e\n                            \u003ctd class=\"py-4 px-4\"\u003eGrey trunk liner\u003c\/td\u003e\n                        \u003c\/tr\u003e\n                        \u003ctr class=\"spec-row\"\u003e\n                            \u003ctd class=\"py-4 px-4 font-medium\"\u003eManufacturing\u003c\/td\u003e\n                            \u003ctd class=\"py-4 px-4\"\u003eHand-built in USA (Northern California)\u003c\/td\u003e\n                        \u003c\/tr\u003e\n                    \u003c\/tbody\u003e\n                \u003c\/table\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003c!-- Perfect Applications --\u003e\n        \u003cdiv class=\"bg-blue-50 rounded-xl p-8 mb-8\"\u003e\n            \u003ch3 class=\"text-3xl font-bold text-gray-800 mb-6 text-center\"\u003ePerfect For These Applications\u003c\/h3\u003e\n            \u003cdiv class=\"grid md:grid-cols-2 gap-6\"\u003e\n                \u003cdiv class=\"space-y-4\"\u003e\n                    \u003cdiv class=\"flex items-center text-gray-800\"\u003e\n                        \u003cdiv class=\"bg-green-500 text-white rounded-full p-2 w-8 h-8 flex items-center justify-center mr-4 flex-shrink-0\"\u003e\n                            \u003ci class=\"fas fa-check text-sm\"\u003e\u003c\/i\u003e\n                        \u003c\/div\u003e\n                        \u003cspan class=\"font-medium\"\u003eBudget-conscious audiophiles seeking quality bass\u003c\/span\u003e\n                    \u003c\/div\u003e\n                    \u003cdiv class=\"flex items-center text-gray-800\"\u003e\n                        \u003cdiv class=\"bg-green-500 text-white rounded-full p-2 w-8 h-8 flex items-center justify-center mr-4 flex-shrink-0\"\u003e\n                            \u003ci class=\"fas fa-check text-sm\"\u003e\u003c\/i\u003e\n                        \u003c\/div\u003e\n                        \u003cspan class=\"font-medium\"\u003eFirst-time car audio upgraders\u003c\/span\u003e\n                    \u003c\/div\u003e\n                    \u003cdiv class=\"flex items-center text-gray-800\"\u003e\n                        \u003cdiv class=\"bg-green-500 text-white rounded-full p-2 w-8 h-8 flex items-center justify-center mr-4 flex-shrink-0\"\u003e\n                            \u003ci class=\"fas fa-check text-sm\"\u003e\u003c\/i\u003e\n                        \u003c\/div\u003e\n                        \u003cspan class=\"font-medium\"\u003eCompact car installations with space constraints\u003c\/span\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n                \u003cdiv class=\"space-y-4\"\u003e\n                    \u003cdiv class=\"flex items-center text-gray-800\"\u003e\n                        \u003cdiv class=\"bg-green-500 text-white rounded-full p-2 w-8 h-8 flex items-center justify-center mr-4 flex-shrink-0\"\u003e\n                            \u003ci class=\"fas fa-check text-sm\"\u003e\u003c\/i\u003e\n                        \u003c\/div\u003e\n                        \u003cspan class=\"font-medium\"\u003eDaily drivers needing reliable bass performance\u003c\/span\u003e\n                    \u003c\/div\u003e\n                    \u003cdiv class=\"flex items-center text-gray-800\"\u003e\n                        \u003cdiv class=\"bg-green-500 text-white rounded-full p-2 w-8 h-8 flex items-center justify-center mr-4 flex-shrink-0\"\u003e\n                            \u003ci class=\"fas fa-check text-sm\"\u003e\u003c\/i\u003e\n                        \u003c\/div\u003e\n                        \u003cspan class=\"font-medium\"\u003eDIY installers wanting plug-and-play solutions\u003c\/span\u003e\n                    \u003c\/div\u003e\n                    \u003cdiv class=\"flex items-center text-gray-800\"\u003e\n                        \u003cdiv class=\"bg-green-500 text-white rounded-full p-2 w-8 h-8 flex items-center justify-center mr-4 flex-shrink-0\"\u003e\n                            \u003ci class=\"fas fa-check text-sm\"\u003e\u003c\/i\u003e\n                        \u003c\/div\u003e\n                        \u003cspan class=\"font-medium\"\u003eSound quality competitions (entry level)\u003c\/span\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003c!-- Installation Tips --\u003e\n        \u003cdiv class=\"bg-gray-50 rounded-xl p-8 mb-8\"\u003e\n            \u003ch3 class=\"text-2xl font-bold text-gray-800 mb-6 text-center\"\u003eProfessional Installation Tips\u003c\/h3\u003e\n            \u003cdiv class=\"grid md:grid-cols-3 gap-6\"\u003e\n                \u003cdiv class=\"text-center\"\u003e\n                    \u003cdiv class=\"bg-blue-500 text-white rounded-full p-4 w-16 h-16 flex items-center justify-center mx-auto mb-4\"\u003e\n                        \u003ci class=\"fas fa-bolt text-xl\"\u003e\u003c\/i\u003e\n                    \u003c\/div\u003e\n                    \u003ch4 class=\"font-semibold text-gray-800 mb-2\"\u003eAmplifier Matching\u003c\/h4\u003e\n                    \u003cp class=\"text-gray-600 text-sm\"\u003ePair with 300-600W RMS amplifiers for optimal performance\u003c\/p\u003e\n                \u003c\/div\u003e\n                \u003cdiv class=\"text-center\"\u003e\n                    \u003cdiv class=\"bg-purple-500 text-white rounded-full p-4 w-16 h-16 flex items-center justify-center mx-auto mb-4\"\u003e\n                        \u003ci class=\"fas fa-map-marker-alt text-xl\"\u003e\u003c\/i\u003e\n                    \u003c\/div\u003e\n                    \u003ch4 class=\"font-semibold text-gray-800 mb-2\"\u003eOptimal Placement\u003c\/h4\u003e\n                    \u003cp class=\"text-gray-600 text-sm\"\u003ePosition in trunk corners for maximum bass extension\u003c\/p\u003e\n                \u003c\/div\u003e\n                \u003cdiv class=\"text-center\"\u003e\n                    \u003cdiv class=\"bg-green-500 text-white rounded-full p-4 w-16 h-16 flex items-center justify-center mx-auto mb-4\"\u003e\n                        \u003ci class=\"fas fa-plug text-xl\"\u003e\u003c\/i\u003e\n                    \u003c\/div\u003e\n                    \u003ch4 class=\"font-semibold text-gray-800 mb-2\"\u003eWiring Best Practices\u003c\/h4\u003e\n                    \u003cp class=\"text-gray-600 text-sm\"\u003eUse 12-14 AWG speaker wire for best power transfer\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003c!-- Audio Intensity Advantage --\u003e\n        \u003cdiv class=\"bg-white rounded-xl shadow-lg border border-gray-200 p-8 mb-8\"\u003e\n            \u003ch3 class=\"text-3xl font-bold text-gray-800 mb-6 text-center\"\u003eThe Audio Intensity Advantage\u003c\/h3\u003e\n            \u003cdiv class=\"grid md:grid-cols-2 gap-8 items-center\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"text-lg text-gray-700 mb-6 leading-relaxed\"\u003e\n                        When you choose Proline X, you're not just buying an enclosure – you're investing in \u003cstrong class=\"text-blue-600\"\u003e30+ years of audio innovation\u003c\/strong\u003e. \n                        Our veteran-owned company has built a reputation for delivering professional-grade car audio solutions at accessible prices.\n                    \u003c\/p\u003e\n                    \u003cdiv class=\"space-y-3\"\u003e\n                        \u003cdiv class=\"flex items-center text-gray-800\"\u003e\n                            \u003ci class=\"fas fa-star text-yellow-500 mr-3\"\u003e\u003c\/i\u003e\n                            \u003cspan class=\"font-medium\"\u003eHand-built quality control in every enclosure\u003c\/span\u003e\n                        \u003c\/div\u003e\n                        \u003cdiv class=\"flex items-center text-gray-800\"\u003e\n                            \u003ci class=\"fas fa-star text-yellow-500 mr-3\"\u003e\u003c\/i\u003e\n                            \u003cspan class=\"font-medium\"\u003eCAD-optimized designs for maximum performance\u003c\/span\u003e\n                        \u003c\/div\u003e\n                        \u003cdiv class=\"flex items-center text-gray-800\"\u003e\n                            \u003ci class=\"fas fa-star text-yellow-500 mr-3\"\u003e\u003c\/i\u003e\n                            \u003cspan class=\"font-medium\"\u003eAmerican manufacturing supporting local communities\u003c\/span\u003e\n                        \u003c\/div\u003e\n                        \u003cdiv class=\"flex items-center text-gray-800\"\u003e\n                            \u003ci class=\"fas fa-star text-yellow-500 mr-3\"\u003e\u003c\/i\u003e\n                            \u003cspan class=\"font-medium\"\u003eUnmatched value in the car audio industry\u003c\/span\u003e\n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n                \u003cdiv class=\"text-center\"\u003e\n                    \u003cdiv class=\"bg-gradient-to-br from-blue-500 to-purple-600 text-white rounded-2xl p-8\"\u003e\n                        \u003ch4 class=\"text-2xl font-bold mb-4 text-white\"\u003e30+ Years\u003c\/h4\u003e\n                        \u003cp class=\"text-blue-100 mb-4\"\u003eof Audio Engineering Excellence\u003c\/p\u003e\n                        \u003cdiv class=\"flex justify-center space-x-4 text-blue-100\"\u003e\n                            \u003cdiv class=\"text-center\"\u003e\n                                \u003cdiv class=\"text-2xl font-bold text-white\"\u003e100%\u003c\/div\u003e\n                                \u003cdiv class=\"text-sm\"\u003eMade in USA\u003c\/div\u003e\n                            \u003c\/div\u003e\n                            \u003cdiv class=\"text-center\"\u003e\n                                \u003cdiv class=\"text-2xl font-bold text-white\"\u003e1000s\u003c\/div\u003e\n                                \u003cdiv class=\"text-sm\"\u003eHappy Customers\u003c\/div\u003e\n                            \u003c\/div\u003e\n                        \u003c\/div\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003c!-- Call to Action --\u003e\n        \u003cdiv class=\"bg-gradient-to-right from-gray-800 to-gray-900 text-white rounded-2xl p-8 text-center mb-8\"\u003e\n            \u003ch3 class=\"text-3xl font-bold mb-4 text-white\"\u003eReady to Upgrade Your Car Audio Experience?\u003c\/h3\u003e\n            \u003cp class=\"text-xl mb-6 text-gray-200\"\u003eThe Proline X E12-S is your gateway to professional-grade bass performance without the professional-grade price tag.\u003c\/p\u003e\n            \u003cbutton class=\"cta-button text-white font-bold py-4 px-8 rounded-xl text-lg inline-flex items-center\"\u003e\n                \u003ci class=\"fas fa-shopping-cart mr-3\"\u003e\u003c\/i\u003e\n                Add to Cart - Upgrade Today!\n            \u003c\/button\u003e\n            \u003cdiv class=\"mt-6 flex justify-center items-center space-x-8 text-gray-300\"\u003e\n                \u003cdiv class=\"flex items-center\"\u003e\n                    \u003ci class=\"fas fa-shield-alt mr-2\"\u003e\u003c\/i\u003e\n                    \u003cspan\u003e1-Year Warranty\u003c\/span\u003e\n                \u003c\/div\u003e\n                \u003cdiv class=\"flex items-center\"\u003e\n                    \u003ci class=\"fas fa-shipping-fast mr-2\"\u003e\u003c\/i\u003e\n                    \u003cspan\u003eFast Shipping\u003c\/span\u003e\n                \u003c\/div\u003e\n                \u003cdiv class=\"flex items-center\"\u003e\n                    \u003ci class=\"fas fa-phone mr-2\"\u003e\u003c\/i\u003e\n                    \u003cspan\u003eExpert Support\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003c!-- Important Notes --\u003e\n        \u003cdiv class=\"bg-yellow-50 border-l-4 border-yellow-400 p-6 rounded-r-xl mb-8\"\u003e\n            \u003ch4 class=\"text-lg font-semibold text-gray-800 mb-3 flex items-center\"\u003e\n                \u003ci class=\"fas fa-exclamation-triangle text-yellow-500 mr-2\"\u003e\u003c\/i\u003e\n                Important Information\n            \u003c\/h4\u003e\n            \u003cul class=\"space-y-2 text-gray-700\"\u003e\n                \u003cli class=\"flex items-start\"\u003e\n                    \u003ci class=\"fas fa-info-circle text-blue-500 mr-2 mt-1 flex-shrink-0\"\u003e\u003c\/i\u003e\n                    \u003cspan\u003e\u003cstrong\u003eSubwoofer sold separately\u003c\/strong\u003e - This listing is for the enclosure only\u003c\/span\u003e\n                \u003c\/li\u003e\n                \u003cli class=\"flex items-start\"\u003e\n                    \u003ci class=\"fas fa-info-circle text-blue-500 mr-2 mt-1 flex-shrink-0\"\u003e\u003c\/i\u003e\n                    \u003cspan\u003e\u003cstrong\u003eProfessional installation recommended\u003c\/strong\u003e for optimal performance and warranty coverage\u003c\/span\u003e\n                \u003c\/li\u003e\n                \u003cli class=\"flex items-start\"\u003e\n                    \u003ci class=\"fas fa-info-circle text-blue-500 mr-2 mt-1 flex-shrink-0\"\u003e\u003c\/i\u003e\n                    \u003cspan\u003e\u003cstrong\u003ePair with other Proline X components\u003c\/strong\u003e for maximum audio system synergy\u003c\/span\u003e\n                \u003c\/li\u003e\n            \u003c\/ul\u003e\n        \u003c\/div\u003e\n\n        \u003c!-- Footer Summary --\u003e\n        \u003cdiv class=\"text-center border-t border-gray-200 pt-8\"\u003e\n            \u003ch4 class=\"text-2xl font-bold text-gray-800 mb-4\"\u003eDon't Compromise on Quality\u003c\/h4\u003e\n            \u003cp class=\"text-lg text-gray-600 max-w-3xl mx-auto\"\u003e\n                Make the smart choice with the \u003cstrong class=\"text-blue-600\"\u003eProline X E12-S Single 12\" Sealed Enclosure\u003c\/strong\u003e. \n                Experience the perfect blend of affordability, American-made quality, and professional audio performance.\n            \u003c\/p\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\n\n\u003c\/body\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":40323726966873,"sku":"E12-S","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/products\/proline-x-e12-s-sealed-enclosurecloseoutproline-x-134876.jpg?v=1761969114"},{"product_id":"proline-x-p12-s-single-12-sealed-subwoofer-enclosure-v3","title":"Proline X P12-S | Single 12\" Sealed Subwoofer Enclosure | V3","description":"\u003cstyle\u003e\n .px-desc {\n font-family: 'Helvetica Neue', Arial, sans-serif;\n line-height: 1.8;\n color: #1e293b;\n max-width: 1200px;\n margin: 0 auto;\n background: #ffffff;\n }\n\n .px-hero {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-hero .px-title {\n font-size: 2.6em;\n font-weight: 800;\n text-transform: uppercase;\n letter-spacing: 2px;\n margin: 0 0 10px 0;\n color: white;\n }\n\n .px-hero .px-subtitle {\n font-size: 1.2em;\n font-weight: 300;\n opacity: 0.9;\n margin: 0 0 30px 0;\n }\n\n .px-badges {\n display: flex;\n justify-content: center;\n flex-wrap: wrap;\n gap: 12px;\n margin-top: 20px;\n }\n\n .px-badge {\n background: rgba(6, 182, 212, 0.2);\n border: 1px solid #06b6d4;\n color: #67e8f9;\n padding: 8px 20px;\n border-radius: 20px;\n font-size: 0.9em;\n font-weight: 600;\n letter-spacing: 0.5px;\n }\n\n .px-section {\n padding: 50px 40px;\n border-bottom: 1px solid #e2e8f0;\n background: #ffffff;\n }\n\n .px-section:nth-child(even) {\n background: #f0f9ff;\n }\n\n .px-section h2 {\n color: #0e7490;\n font-size: 2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n padding-bottom: 12px;\n border-bottom: 3px solid #06b6d4;\n }\n\n .px-section h3 {\n color: #0f172a;\n font-size: 1.4em;\n font-weight: 600;\n margin: 30px 0 15px 0;\n }\n\n .px-section p {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 18px;\n }\n\n .px-section ul {\n margin: 15px 0;\n padding-left: 25px;\n }\n\n .px-section li {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 10px;\n line-height: 1.7;\n }\n\n .px-grid {\n display: grid;\n grid-template-columns: repeat(2, 1fr);\n gap: 24px;\n margin: 30px 0;\n }\n\n .px-card {\n background: #ffffff;\n border: 1px solid #e2e8f0;\n border-top: 4px solid #06b6d4;\n border-radius: 6px;\n padding: 24px;\n }\n\n .px-card h4 {\n color: #0e7490;\n font-size: 1.15em;\n font-weight: 700;\n margin: 0 0 12px 0;\n }\n\n .px-card p {\n font-size: 1em;\n color: #475569;\n margin: 0;\n line-height: 1.7;\n }\n\n .px-highlight {\n background: #f0f9ff;\n border-left: 5px solid #06b6d4;\n padding: 24px 28px;\n margin: 28px 0;\n border-radius: 0 6px 6px 0;\n }\n\n .px-highlight h3 {\n color: #0e7490;\n margin: 0 0 12px 0;\n font-size: 1.2em;\n }\n\n .px-highlight p {\n margin-bottom: 10px;\n color: #1e293b;\n }\n\n .px-cta {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-cta h2 {\n font-size: 2.2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n color: white;\n border: none;\n padding: 0;\n }\n\n .px-cta p {\n font-size: 1.15em;\n opacity: 0.92;\n max-width: 800px;\n margin: 0 auto 20px auto;\n color: white;\n }\n\n .px-driver-link {\n display: inline-block;\n background: #f0f9ff;\n border: 2px solid #06b6d4;\n border-radius: 6px;\n padding: 16px 24px;\n margin: 10px 10px 10px 0;\n text-decoration: none;\n color: #0e7490;\n font-weight: 700;\n font-size: 1em;\n transition: all 0.2s ease;\n }\n\n .px-driver-link:hover {\n background: #06b6d4;\n color: white;\n }\n\n @media (max-width: 768px) {\n .px-hero { padding: 40px 20px; }\n .px-hero .px-title { font-size: 1.8em; }\n .px-section { padding: 30px 20px; }\n .px-section h2 { font-size: 1.6em; }\n .px-grid { grid-template-columns: 1fr; }\n .px-cta { padding: 40px 20px; }\n .px-cta h2 { font-size: 1.6em; }\n }\n\u003c\/style\u003e\n\n\u003cdiv class=\"px-desc\"\u003e\n\n \u003c!-- Hero --\u003e\n \u003cdiv class=\"px-hero\"\u003e\n \u003cp class=\"px-title\"\u003eProline X P12-S\u003c\/p\u003e\n \u003cp class=\"px-subtitle\"\u003eSingle 12\" Sealed Subwoofer Enclosure | V3\u003c\/p\u003e\n \u003cdiv class=\"px-badges\"\u003e\n \u003cspan class=\"px-badge\"\u003e1.25 ft³ Net\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003eSealed Alignment\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003e10\" Max Depth\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003e0.75\" Single Baffle\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Introduction --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eAccurate 12\" Bass. Compact Enough to Work in Most Vehicles.\u003c\/h2\u003e\n \u003cp\u003eThe \u003cstrong\u003eProline X P12-S\u003c\/strong\u003e is a single 12\" sealed enclosure built for installs where accuracy and a controlled response curve are the priority. The 12\" driver in sealed alignment produces the most balanced bass profile in the Performance Series lineup. Enough output to carry the full bass load in a daily driver system, enough low-frequency extension to cover virtually all musical content, and enough transient accuracy to integrate cleanly with a front stage without requiring heavy DSP correction. No port resonance. No tuning peak. No frequency-specific coloration.\u003c\/p\u003e\n \u003cp\u003eAt \u003cstrong\u003e19.5\" wide, 14.5\" tall, and 11.5\" deep\u003c\/strong\u003e, the P12-S fits in most standard trunk setups without requiring custom fabrication. The \u003cstrong\u003e10\" max mounting depth\u003c\/strong\u003e is one of the deeper specifications in the single 12\" sealed category. It covers high-excursion SQ-oriented motors that exceed the depth limit of shallower 12\" sealed boxes and opens up the compatible driver list considerably.\u003c\/p\u003e\n \u003cp\u003eEvery panel is CNC-cut from \u003cstrong\u003eLangboard Elite MDF\u003c\/strong\u003e to exact internal volume and assembled by hand in our Tennessee facility. A single recessed \u003cstrong\u003eABS\/Carbon Fiber Composite terminal cup\u003c\/strong\u003e handles wiring, pre-wired with \u003cstrong\u003e12g OFC speaker wire\u003c\/strong\u003e. Finish options are Dark Gray Trunkliner or Plush Black. Shipping is included.\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003c!-- Why Sealed --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eWhy Sealed for a 12\" Daily or SQ Build\u003c\/h2\u003e\n \u003cp\u003eThe 12\" driver in sealed alignment is the most versatile bass configuration in car audio. It produces enough output for daily high-volume listening, enough low-frequency extension to reach the bottom of virtually any musical content, and a response profile flat enough to integrate cleanly with almost any front stage. For installs running a Goldhorn DSP or any active processor, sealed alignment is the preferred format, the predictable rolloff responds accurately to DSP correction and gives you full control over the final response without fighting a ported tuning peak.\u003c\/p\u003e\n \u003cp\u003eAt \u003cstrong\u003e1.25 ft³ net\u003c\/strong\u003e, the P12-S places most standard 12\" drivers in the middle of their recommended sealed range. No damping material required. No volume correction needed. The enclosure is correctly sized for the driver category, not undersized to hit a compact target and not oversized to inflate the spec sheet.\u003c\/p\u003e\n \u003cdiv class=\"px-grid\"\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eTransient Accuracy\u003c\/h4\u003e\n \u003cp\u003eSealed alignment preserves the start-stop precision that produces tight, musical bass. Notes have distinct attack and decay. The P12-S produces low frequencies that integrate with the front stage rather than competing with it, the bass is part of the music, not a separate event in the trunk.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eFlat, Predictable Response\u003c\/h4\u003e\n \u003cp\u003eNo port resonance. No tuning peak. No frequency-specific coloration. The P12-S produces a smooth, controlled rolloff below resonance that integrates cleanly with any front stage and responds accurately to DSP equalization and bass boost.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003e10\" Max Mounting Depth\u003c\/h4\u003e\n \u003cp\u003eOne of the deeper specs in the single 12\" sealed category. High-excursion SQ-oriented motors that exceed the depth limit of shallower 12\" sealed boxes are viable here. The driver list for the P12-S includes drivers that most single 12\" sealed enclosures on the market cannot physically accommodate.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eDSP-Friendly Alignment\u003c\/h4\u003e\n \u003cp\u003eSealed enclosures exhibit a predictable 12 dB\/octave rolloff that responds accurately to DSP bass boost and crossover adjustments. Running a Goldhorn DSP or any active processor? Sealed is the alignment that gives you the most control over the final response.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Construction --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eConstruction: The Proline X Standard on Every Panel\u003c\/h2\u003e\n \u003cp\u003eThe P12-S uses the same construction methodology as every enclosure in the Proline X Performance Series. Langboard Elite MDF. V-groove and dado joinery. In-house terminal cup. Hand-assembled in Tennessee. The variables are dimensions, volume, and alignment. The build quality is consistent across the entire lineup.\u003c\/p\u003e\n\n \u003ch3\u003eLangboard Elite MDF, Named, Verified, Documented\u003c\/h3\u003e\n \u003cp\u003eEvery panel is cut from \u003cstrong\u003eLangboard Elite MDF: 3\/4\" (18mm)\u003c\/strong\u003e, a named, mill-documented panel stock produced in the United States. The specifications below are pulled directly from Langboard's published mill data.\u003c\/p\u003e\n\n \u003cdiv class=\"px-highlight\"\u003e\n \u003ch3\u003eLangboard Elite: Published Mill Data\u003c\/h3\u003e\n \u003cp\u003e\u003cstrong\u003eDensity:\u003c\/strong\u003e 48.5 lbs\/ft³, higher density means less porosity, better screw retention, and reduced resonance\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eInternal Bond:\u003c\/strong\u003e 200 psi, resistance to delamination under sustained bass pressure cycling\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eModulus of Elasticity:\u003c\/strong\u003e 410,000 psi, panel stiffness under load; less flex means less resonance\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eFace Screw Holding:\u003c\/strong\u003e 325 lbs, baffle hardware stays locked under vibration\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eEdge Screw Holding:\u003c\/strong\u003e 250 lbs, joint integrity at every panel edge connection\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003ch3\u003eV-Groove and Dado Joinery\u003c\/h3\u003e\n \u003cp\u003eEvery panel joint uses \u003cstrong\u003eV-groove and dado joinery\u003c\/strong\u003e, CNC-cut interlocking grooves that mechanically lock panels before adhesive is applied. For a sealed enclosure, joint integrity is the most important construction variable, a single air leak degrades output and response accuracy across the entire bass range. Every seam on the P12-S is mechanically locked before adhesive is applied. The box does not leak. The response does not change over time as joints loosen.\u003c\/p\u003e\n\n \u003ch3\u003eIn-House ABS\/Carbon Fiber Composite Terminal Cup\u003c\/h3\u003e\n \u003cp\u003eThe terminal cup is built in-house at our Tennessee facility. The \u003cstrong\u003eABS\/Carbon Fiber Composite recessed cup\u003c\/strong\u003e features stainless steel hardware, aluminum landing plates, and copper ring terminals, pre-wired with \u003cstrong\u003e12g OFC speaker wire\u003c\/strong\u003e. The recessed mount protects terminals from cargo contact. Copper ring terminals provide a clean, corrosion-resistant connection that does not loosen under vibration over time.\u003c\/p\u003e\n\n \u003cdiv class=\"px-grid\"\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eShopSabre CNC Routers\u003c\/h4\u003e\n \u003cp\u003eEvery panel is machine-cut on ShopSabre industrial CNC routers. Consistent geometry, no hand-cut variance, no gaps at the joints. The internal volume of every P12-S is identical to spec across every unit produced.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eHand-Assembled in Tennessee\u003c\/h4\u003e\n \u003cp\u003eEvery enclosure is hand-assembled at our Tennessee facility and inspected before it ships. No overseas manufacturing. No batch assembly shortcuts.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eDark Gray Trunkliner or Plush Black\u003c\/h4\u003e\n \u003cp\u003eBoth finish options are professionally applied. Dark Gray Trunkliner blends with factory trunk materials for a stealth appearance. Plush Black delivers the traditional aftermarket look. Both are durably bonded for long-term wear.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eShipping Included\u003c\/h4\u003e\n \u003cp\u003eNo freight charges at checkout. The price you see is the price you pay. The enclosure ships assembled and ready to install.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Fitment --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eFitment Guide\u003c\/h2\u003e\n \u003cp\u003eThe P12-S is one of the more compact single 12\" sealed enclosures in the Performance Series. At \u003cstrong\u003e19.5\"W x 14.5\"H x 11.5\"D\u003c\/strong\u003e it fits in most standard sedan and truck trunk setups. The 11.5\" depth is compact for a 12\" sealed enclosure: most trunks that will fit a 12\" at all will fit the P12-S without custom fabrication.\u003c\/p\u003e\n\n \u003ch3\u003eDimensional Specifications\u003c\/h3\u003e\n \u003cdiv class=\"px-highlight\"\u003e\n \u003cp\u003e\u003cstrong\u003eExternal Dimensions:\u003c\/strong\u003e 19.5\" W x 14.5\" H x 11.5\" D\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eNet Internal Volume:\u003c\/strong\u003e 1.25 ft³\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eTuning Frequency:\u003c\/strong\u003e N\/A, Sealed\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eSubwoofer Cutout:\u003c\/strong\u003e 11.15\"\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eMax Mounting Depth:\u003c\/strong\u003e 10\"\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eFront Panel Thickness:\u003c\/strong\u003e 0.75\" Single Baffle\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003ch3\u003eDriver Compatibility\u003c\/h3\u003e\n \u003cp\u003eThe P12-S accommodates any 12\" subwoofer with a cutout diameter at or below \u003cstrong\u003e11.15\"\u003c\/strong\u003e and a mounting depth at or below \u003cstrong\u003e10\"\u003c\/strong\u003e. Verify both dimensions against your driver's published specifications before ordering.\u003c\/p\u003e\n\n \u003ch3\u003eCompatible Drivers\u003c\/h3\u003e\n \u003cp\u003eThe following drivers are available from Audio Intensity and are compatible with the P12-S:\u003c\/p\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-12-inch-subwoofer-nb2-series\"\u003eProdigy NB2-12D4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/image-dynamics-id12-v4-12-inch-subwoofer\"\u003eImage Dynamics ID12 V4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-12-inch-subwoofer-nb3-series\"\u003eProdigy NB3-12D4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/arc-audio-arc-series-12-subwoofer\"\u003eArc Audio ARC12 D2 \u003c\/a\u003e\n \u003cp style=\"font-size:0.9em; color:#64748b; margin-top:12px;\"\u003eAlways verify cutout diameter and mounting depth against your specific driver's published specifications before ordering.\u003c\/p\u003e\n\n \u003ch3\u003eIdeal Install Applications\u003c\/h3\u003e\n \u003cdiv class=\"px-grid\"\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eStandard Trunk Build\u003c\/h4\u003e\n \u003cp\u003eAt 19.5\" wide and 11.5\" deep, the P12-S fits in most standard sedan and truck trunk configurations without custom fabrication. The compact depth makes it one of the more versatile single 12\" sealed options in the Performance Series.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eSQ Competition Builds\u003c\/h4\u003e\n \u003cp\u003eSealed alignment, 1.25 ft³ net volume, and 10\" max mounting depth make the P12-S the correct enclosure for SQ competition builds running high-excursion 12\" drivers where accuracy and front stage integration are the priority.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eDSP-Controlled Systems\u003c\/h4\u003e\n \u003cp\u003eThe flat, predictable sealed rolloff makes the P12-S the preferred enclosure format for systems running a Goldhorn DSP or any active processor. Sealed alignment responds accurately to DSP correction and equalization. You tune the response rather than fight the box.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eDaily Driver Systems\u003c\/h4\u003e\n \u003cp\u003eEnough output for real bass impact at daily listening levels, accurate enough to work across all music genres without sounding genre-specific. The P12-S is a strong daily driver enclosure for listeners who want bass that sounds like bass, not a resonance.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- CTA --\u003e\n \u003cdiv class=\"px-cta\"\u003e\n \u003ch2\u003eAccurate 12\" Bass. Tennessee-Built. Shipping Included.\u003c\/h2\u003e\n \u003cp\u003eThe Proline X P12-S is a single 12\" sealed enclosure built to a spec, not a price point. Langboard Elite MDF. V-groove and dado joinery. 10\" max mounting depth. In-house terminal cup. Hand-assembled in Tennessee and inspected before it ships.\u003c\/p\u003e\n \u003cp\u003eIf you need accurate, controlled 12\" bass in a compact footprint. This is the correct enclosure. \u003cstrong\u003e$179.99 Dark Gray Trunkliner. $189.99 Plush Black.\u003c\/strong\u003e Shipping included.\u003c\/p\u003e\n \u003c\/div\u003e\n\n\u003cp class=\"ai-sealed-xlink\"\u003eBrowse the full \u003ca href=\"https:\/\/audiointensity.com\/collections\/sealed-subwoofer-boxes\" title=\"Sealed subwoofer boxes\"\u003esealed 12 inch subwoofer boxes\u003c\/a\u003e collection, driver-matched and universal-fit sealed enclosures CNC-cut in Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Dark Grey Trunk Liner","offer_id":42255690694745,"sku":"P12-S G","price":179.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black Carpet","offer_id":42255690727513,"sku":"P12-S B","price":189.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-performance-p12-s-sealed-enclosure-for-12-subwooferssubwoofer-enclosuresproline-x-778318.jpg?v=1761969140"},{"product_id":"proline-x-p10d-s-dual-10-sealed-subwoofer-enclosure-v3","title":"Proline X Performance P10D-S Sealed Enclosure for Dual 10\" Subwoofers","description":"\u003cstyle\u003e\n .px-desc {\n font-family: 'Helvetica Neue', Arial, sans-serif;\n line-height: 1.8;\n color: #1e293b;\n max-width: 1200px;\n margin: 0 auto;\n background: #ffffff;\n }\n\n .px-hero {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-hero .px-title {\n font-size: 2.6em;\n font-weight: 800;\n text-transform: uppercase;\n letter-spacing: 2px;\n margin: 0 0 10px 0;\n color: white;\n }\n\n .px-hero .px-subtitle {\n font-size: 1.2em;\n font-weight: 300;\n opacity: 0.9;\n margin: 0 0 30px 0;\n }\n\n .px-badges {\n display: flex;\n justify-content: center;\n flex-wrap: wrap;\n gap: 12px;\n margin-top: 20px;\n }\n\n .px-badge {\n background: rgba(6, 182, 212, 0.2);\n border: 1px solid #06b6d4;\n color: #67e8f9;\n padding: 8px 20px;\n border-radius: 20px;\n font-size: 0.9em;\n font-weight: 600;\n letter-spacing: 0.5px;\n }\n\n .px-section {\n padding: 50px 40px;\n border-bottom: 1px solid #e2e8f0;\n background: #ffffff;\n }\n\n .px-section:nth-child(even) {\n background: #f0f9ff;\n }\n\n .px-section h2 {\n color: #0e7490;\n font-size: 2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n padding-bottom: 12px;\n border-bottom: 3px solid #06b6d4;\n }\n\n .px-section h3 {\n color: #0f172a;\n font-size: 1.4em;\n font-weight: 600;\n margin: 30px 0 15px 0;\n }\n\n .px-section p {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 18px;\n }\n\n .px-section ul {\n margin: 15px 0;\n padding-left: 25px;\n }\n\n .px-section li {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 10px;\n line-height: 1.7;\n }\n\n .px-grid {\n display: grid;\n grid-template-columns: repeat(2, 1fr);\n gap: 24px;\n margin: 30px 0;\n }\n\n .px-card {\n background: #ffffff;\n border: 1px solid #e2e8f0;\n border-top: 4px solid #06b6d4;\n border-radius: 6px;\n padding: 24px;\n }\n\n .px-card h4 {\n color: #0e7490;\n font-size: 1.15em;\n font-weight: 700;\n margin: 0 0 12px 0;\n }\n\n .px-card p {\n font-size: 1em;\n color: #475569;\n margin: 0;\n line-height: 1.7;\n }\n\n .px-highlight {\n background: #f0f9ff;\n border-left: 5px solid #06b6d4;\n padding: 24px 28px;\n margin: 28px 0;\n border-radius: 0 6px 6px 0;\n }\n\n .px-highlight h3 {\n color: #0e7490;\n margin: 0 0 12px 0;\n font-size: 1.2em;\n }\n\n .px-highlight p {\n margin-bottom: 10px;\n color: #1e293b;\n }\n\n .px-cta {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-cta h2 {\n font-size: 2.2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n color: white;\n border: none;\n padding: 0;\n }\n\n .px-cta p {\n font-size: 1.15em;\n opacity: 0.92;\n max-width: 800px;\n margin: 0 auto 20px auto;\n color: white;\n }\n\n .px-driver-link {\n display: inline-block;\n background: #f0f9ff;\n border: 2px solid #06b6d4;\n border-radius: 6px;\n padding: 16px 24px;\n margin: 10px 10px 10px 0;\n text-decoration: none;\n color: #0e7490;\n font-weight: 700;\n font-size: 1em;\n transition: all 0.2s ease;\n }\n\n .px-driver-link:hover {\n background: #06b6d4;\n color: white;\n }\n\n @media (max-width: 768px) {\n .px-hero { padding: 40px 20px; }\n .px-hero .px-title { font-size: 1.8em; }\n .px-section { padding: 30px 20px; }\n .px-section h2 { font-size: 1.6em; }\n .px-grid { grid-template-columns: 1fr; }\n .px-cta { padding: 40px 20px; }\n .px-cta h2 { font-size: 1.6em; }\n }\n\u003c\/style\u003e\n\u003cdiv class=\"px-desc\"\u003e\n\u003c!-- Hero --\u003e\n\u003cdiv class=\"px-hero\"\u003e\n\u003cp class=\"px-title\"\u003eProline X P10D-S\u003c\/p\u003e\n\u003cp class=\"px-subtitle\"\u003eDual 10\" Sealed Subwoofer Enclosure | V3\u003c\/p\u003e\n\u003cdiv class=\"px-badges\"\u003e\n\u003cspan class=\"px-badge\"\u003e1.5 ft³ Net\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003eSealed Alignment\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003eShared Air Space\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003e6.5\" Max Depth\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Introduction --\u003e\n\u003cdiv class=\"px-section\"\u003e\n\u003ch2\u003eTwo 10\" Drivers. One Sealed Enclosure. Accurate Bass Across a Wide Soundstage.\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eProline X P10D-S\u003c\/strong\u003e is a dual 10\" sealed enclosure built for installs that need the output and soundstage width of two drivers without the depth requirement of a larger single-driver ported box. At \u003cstrong\u003e1.5 ft³ net\u003c\/strong\u003e in a shared air space with heavy internal bracing, and sealed alignment, this enclosure delivers controlled, accurate bass across a wider presentation than any single 10\" can produce. Two drivers in sealed alignment produce a more even low-frequency field across the vehicle cabin, a wider perceived soundstage, and combined cone area that approaches a single 15\" driver.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003e28\" wide, 12.5\" tall, and 10.75\" deep\u003c\/strong\u003e, the P10D-S fits across most trunk floors and behind most rear seats in full-size sedans and trucks without requiring custom mounting. The \u003cstrong\u003e6.5\" max mounting depth\u003c\/strong\u003e covers the majority of standard 10\" drivers. Both drivers share a single terminal cup. Both must be run at the same impedance.\u003c\/p\u003e\n\u003cp\u003eEvery panel is CNC-cut from \u003cstrong\u003eLangboard Elite MDF\u003c\/strong\u003e to exact internal volume and assembled by hand in our Tennessee facility. Finish options are Dark Gray Trunkliner or Plush Black. Shipping is included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Why Dual Sealed --\u003e\n\u003cdiv class=\"px-section\"\u003e\n\u003ch2\u003eWhy Dual 10\" Sealed\u003c\/h2\u003e\n\u003cp\u003eTwo 10\" drivers in sealed alignment produce a fundamentally different bass presentation than a single driver of any size. The combined cone area approaches a single 15\", but the individual driver mass stays low: each 10\" maintains the transient speed and articulation that the format is known for. The sealed alignment preserves that precision while the dual configuration adds output, soundstage width, and bass presence that a single 10\" sealed cannot match.\u003c\/p\u003e\n\u003cp\u003eThe shared 1.5 ft³ air space with heavy internal bracing provides both drivers with a larger effective acoustic load than two individual 0.75 ft³ separated chambers would, the drivers interact with a combined air mass that produces a more cohesive low-frequency response across the full 28\" baffle width.\u003c\/p\u003e\n\u003cdiv class=\"px-grid\"\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eCombined Cone Area\u003c\/h4\u003e\n\u003cp\u003eTwo 10\" drivers produce combined cone area approaching a single 15\" while maintaining the low moving mass and transient speed that the 10\" format delivers. More output than a single 10\" at any power level.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eWider Bass Presentation\u003c\/h4\u003e\n\u003cp\u003eTwo drivers spaced across a 28\" baffle produce a wider, more even low-frequency field across the vehicle cabin than any single point source. Bass is more evenly distributed from driver seat to passenger seat.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eCompact Depth Profile\u003c\/h4\u003e\n\u003cp\u003eAt 10.75\" deep, the P10D-S fits across most trunk floors and behind most rear seats in full-size vehicles without the depth commitment of a single 10\" ported enclosure or a dual 10\" ported build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eShared Air Space: Cohesive Response\u003c\/h4\u003e\n\u003cp\u003eThe shared 1.5 ft³ interior with heavy internal bracing provides a larger effective acoustic load per driver than separated chambers would. Both drivers work the same air mass for a more cohesive low-frequency response.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Construction --\u003e\n\u003cdiv class=\"px-section\" style=\"text-align: start;\"\u003e\n\u003ch2\u003eConstruction: Shared Air Space, Heavy Bracing, Single Terminal Cup\u003c\/h2\u003e\n\u003cp\u003eThe P10D-S uses the same Langboard Elite MDF and V-groove and dado joinery construction as every enclosure in the Proline X Performance Series. The interior is a single shared air space with heavy strategic bracing throughout, not two separated chambers. A single terminal cup handles both drivers internally.\u003c\/p\u003e\n\u003ch3\u003eLangboard Elite MDF, Named, Verified, Documented\u003c\/h3\u003e\n\u003cp\u003eEvery panel is cut from \u003cstrong\u003eLangboard Elite MDF: 3\/4\" (18mm)\u003c\/strong\u003e, a named, mill-documented panel stock produced in the United States. The specifications below are pulled directly from Langboard's published mill data.\u003c\/p\u003e\n\u003cdiv class=\"px-highlight\"\u003e\n\u003ch3\u003eLangboard Elite: Published Mill Data\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDensity:\u003c\/strong\u003e 48.5 lbs\/ft³, higher density means less porosity, better screw retention, and reduced resonance\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal Bond:\u003c\/strong\u003e 200 psi, resistance to delamination under sustained bass pressure cycling\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModulus of Elasticity:\u003c\/strong\u003e 410,000 psi, panel stiffness under load; less flex means less resonance\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFace Screw Holding:\u003c\/strong\u003e 325 lbs, baffle hardware stays locked under vibration\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEdge Screw Holding:\u003c\/strong\u003e 250 lbs, joint integrity at every panel edge connection\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eV-Groove and Dado Joinery\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/P12D-S_III_Pre_Assembly.jpg?v=1742876131\" alt=\"Pre Assembly showing dados and vcuts\" style=\"margin-bottom: 20px; float: none;\"\u003e\u003c\/p\u003e\n\u003cp\u003eEvery panel joint uses \u003cstrong\u003eV-groove and dado joinery\u003c\/strong\u003e, CNC-cut interlocking grooves that mechanically lock panels before adhesive is applied. On an enclosure spanning 28\" wide, panel rigidity and joint integrity are critical, the side panels span a distance that creates flex potential under bass pressure without proper joinery. Every joint on the P10D-S is mechanically locked before adhesive is applied.\u003c\/p\u003e\n\u003ch3\u003eSingle Terminal Cup: Same Impedance Required\u003c\/h3\u003e\n\u003cp\u003eThe P10D-S uses a single \u003cstrong\u003eABS\/Carbon Fiber Composite recessed terminal cup\u003c\/strong\u003e built in-house at our Tennessee facility. Both drivers are wired internally to the cup with stainless steel hardware, aluminum landing plates, and copper ring terminals, pre-wired with \u003cstrong\u003e12g OFC speaker wire\u003c\/strong\u003e. Both drivers must be run at the same impedance. Confirm your amplifier output and driver impedances match before wiring.\u003c\/p\u003e\n\u003cdiv class=\"px-grid\"\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eShopSabre CNC Routers\u003c\/h4\u003e\n\u003cp\u003eEvery panel is machine-cut on ShopSabre industrial CNC routers. Both driver cutouts are machined to identical diameter and position across the 28\" baffle. Consistent geometry across every unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eHand-Assembled in Tennessee\u003c\/h4\u003e\n\u003cp\u003eEvery enclosure is hand-assembled at our Tennessee facility and inspected before it ships. No overseas manufacturing. No batch assembly shortcuts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eDark Gray Trunkliner or Plush Black\u003c\/h4\u003e\n\u003cp\u003eBoth finish options are professionally applied. Dark Gray Trunkliner blends with factory trunk materials. Plush Black delivers the traditional aftermarket look. Both are durably bonded for long-term wear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eShipping Included\u003c\/h4\u003e\n\u003cp\u003eNo freight charges at checkout. The price you see is the price you pay. The enclosure ships assembled and ready to install.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Fitment --\u003e\n\u003cdiv class=\"px-section\"\u003e\n\u003ch2\u003eFitment Guide\u003c\/h2\u003e\n\u003cp\u003eThe P10D-S spans \u003cstrong\u003e28\" wide\u003c\/strong\u003e and sits at only \u003cstrong\u003e10.75\" deep\u003c\/strong\u003e: a compact depth profile for a dual 10\" enclosure. It fits across most trunk floors and behind most rear seats in full-size sedans and trucks without requiring custom mounting solutions.\u003c\/p\u003e\n\u003ch3\u003eDimensional Specifications\u003c\/h3\u003e\n\u003cdiv class=\"px-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eExternal Dimensions:\u003c\/strong\u003e 28\" W x 12.5\" H x 10.75\" D\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNet Internal Volume:\u003c\/strong\u003e 1.5 ft³, shared air space, heavily braced\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTuning Frequency:\u003c\/strong\u003e N\/A, Sealed\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSubwoofer Cutout:\u003c\/strong\u003e 9.25\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMax Mounting Depth:\u003c\/strong\u003e 6.5\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFront Panel Thickness:\u003c\/strong\u003e 0.75\" Single Baffle\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eDriver Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe P10D-S accommodates any 10\" subwoofer with a cutout diameter at or below \u003cstrong\u003e9.25\"\u003c\/strong\u003e and a mounting depth at or below \u003cstrong\u003e6.5\"\u003c\/strong\u003e. Both drivers must be the same model and impedance. Verify published specifications before ordering.\u003c\/p\u003e\n\u003ch3\u003eCompatible Drivers\u003c\/h3\u003e\n\u003cp\u003eThe following drivers are available from Audio Intensity and are compatible with the P10D-S:\u003c\/p\u003e\n\u003ca href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-10-inch-subwoofer-nb2-series\" class=\"px-driver-link\"\u003eProdigy NB2-10D4 \u003c\/a\u003e \u003ca href=\"https:\/\/audiointensity.com\/products\/image-dynamics-id10-v4-10-inch-subwoofer\" class=\"px-driver-link\"\u003eImage Dynamics ID10 V4 \u003c\/a\u003e \u003ca href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-10-inch-subwoofer-nb3-series\" class=\"px-driver-link\"\u003eProdigy NB3-10D4 \u003c\/a\u003e \u003ca href=\"https:\/\/audiointensity.com\/products\/audiomobile-gt2-2010-10-subwoofer-single\" class=\"px-driver-link\"\u003eAudiomobile GT2 2010 \u003c\/a\u003e \u003ca href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-1000-watt-10-inch-subwoofer-nb5-series\" class=\"px-driver-link\"\u003eProdigy NB5-10D4 \u003c\/a\u003e \u003ca href=\"https:\/\/audiointensity.com\/products\/crescendo-revolution-710-10-inch-subwoofer\" class=\"px-driver-link\"\u003eCrescendo Revolution 710 \u003c\/a\u003e\n\u003cp style=\"font-size: 0.9em; color: #64748b; margin-top: 12px;\"\u003eAlways verify cutout diameter and mounting depth against your specific driver's published specifications before ordering. Both drivers must be run at the same impedance.\u003c\/p\u003e\n\u003ch3\u003eIdeal Install Applications\u003c\/h3\u003e\n\u003cdiv class=\"px-grid\"\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eTrunk Floor Build\u003c\/h4\u003e\n\u003cp\u003eAt 28\" wide and 10.75\" deep, the P10D-S spans most full-size trunk floors without the depth commitment of a single ported enclosure. A compact dual 10\" sealed profile that fits where ported builds cannot.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eBehind Rear Seat\u003c\/h4\u003e\n\u003cp\u003eThe 10.75\" depth makes the P10D-S one of the few dual 10\" enclosures viable for behind-seat installations in full-size trucks and sedans. Measure available depth before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eSQ and DSP-Controlled Systems\u003c\/h4\u003e\n\u003cp\u003eTwo sealed 10\" drivers produce the wide, even bass presentation and combined output that SQ competition builds demand, with the flat sealed response that DSP-controlled systems can tune precisely.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eStep Up From Single 10\" Sealed\u003c\/h4\u003e\n\u003cp\u003eFor builds running the P10-S that need more output and wider bass presentation without switching to a ported alignment, the P10D-S is the direct step up. Same driver compatibility, significantly more output.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- CTA --\u003e\n\u003cdiv class=\"px-cta\"\u003e\n\u003ch2\u003eDual 10\" Accuracy. Compact Depth. Tennessee-Built.\u003c\/h2\u003e\n\u003cp\u003eThe Proline X P10D-S delivers dual 10\" sealed performance in a 10.75\" deep enclosure that fits where larger boxes cannot. Langboard Elite MDF. V-groove and dado joinery. Heavy internal bracing. In-house terminal cup. Hand-assembled in Tennessee and inspected before it ships.\u003c\/p\u003e\n\u003cp\u003eTwo drivers. Sealed accuracy. Combined output approaching a single 15\", in a compact trunk floor footprint. \u003cstrong\u003e$199.99 Dark Gray Trunkliner. $209.99 Plush Black.\u003c\/strong\u003e Shipping included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Grey Trunk liner","offer_id":42363333443673,"sku":"P10D-S G","price":199.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black","offer_id":42363333410905,"sku":"P10D-S B","price":209.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-performance-p10d-s-sealed-enclosure-for-dual-10-subwooferssubwoofer-enclosuresproline-x-179177.jpg?v=1761969144"},{"product_id":"proline-x-p12d-s-dual-12-sealed-subwoofer-enclosure-v3","title":"Proline X P12D-S | Dual 12\" Sealed Subwoofer Enclosure | V3","description":"\u003cstyle\u003e\n .px-desc {\n font-family: 'Helvetica Neue', Arial, sans-serif;\n line-height: 1.8;\n color: #1e293b;\n max-width: 1200px;\n margin: 0 auto;\n background: #ffffff;\n }\n\n .px-hero {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-hero .px-title {\n font-size: 2.6em;\n font-weight: 800;\n text-transform: uppercase;\n letter-spacing: 2px;\n margin: 0 0 10px 0;\n color: white;\n }\n\n .px-hero .px-subtitle {\n font-size: 1.2em;\n font-weight: 300;\n opacity: 0.9;\n margin: 0 0 30px 0;\n }\n\n .px-badges {\n display: flex;\n justify-content: center;\n flex-wrap: wrap;\n gap: 12px;\n margin-top: 20px;\n }\n\n .px-badge {\n background: rgba(6, 182, 212, 0.2);\n border: 1px solid #06b6d4;\n color: #67e8f9;\n padding: 8px 20px;\n border-radius: 20px;\n font-size: 0.9em;\n font-weight: 600;\n letter-spacing: 0.5px;\n }\n\n .px-section {\n padding: 50px 40px;\n border-bottom: 1px solid #e2e8f0;\n background: #ffffff;\n }\n\n .px-section:nth-child(even) {\n background: #f0f9ff;\n }\n\n .px-section h2 {\n color: #0e7490;\n font-size: 2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n padding-bottom: 12px;\n border-bottom: 3px solid #06b6d4;\n }\n\n .px-section h3 {\n color: #0f172a;\n font-size: 1.4em;\n font-weight: 600;\n margin: 30px 0 15px 0;\n }\n\n .px-section p {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 18px;\n }\n\n .px-section ul {\n margin: 15px 0;\n padding-left: 25px;\n }\n\n .px-section li {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 10px;\n line-height: 1.7;\n }\n\n .px-grid {\n display: grid;\n grid-template-columns: repeat(2, 1fr);\n gap: 24px;\n margin: 30px 0;\n }\n\n .px-card {\n background: #ffffff;\n border: 1px solid #e2e8f0;\n border-top: 4px solid #06b6d4;\n border-radius: 6px;\n padding: 24px;\n }\n\n .px-card h4 {\n color: #0e7490;\n font-size: 1.15em;\n font-weight: 700;\n margin: 0 0 12px 0;\n }\n\n .px-card p {\n font-size: 1em;\n color: #475569;\n margin: 0;\n line-height: 1.7;\n }\n\n .px-highlight {\n background: #f0f9ff;\n border-left: 5px solid #06b6d4;\n padding: 24px 28px;\n margin: 28px 0;\n border-radius: 0 6px 6px 0;\n }\n\n .px-highlight h3 {\n color: #0e7490;\n margin: 0 0 12px 0;\n font-size: 1.2em;\n }\n\n .px-highlight p {\n margin-bottom: 10px;\n color: #1e293b;\n }\n\n .px-cta {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-cta h2 {\n font-size: 2.2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n color: white;\n border: none;\n padding: 0;\n }\n\n .px-cta p {\n font-size: 1.15em;\n opacity: 0.92;\n max-width: 800px;\n margin: 0 auto 20px auto;\n color: white;\n }\n\n .px-driver-link {\n display: inline-block;\n background: #f0f9ff;\n border: 2px solid #06b6d4;\n border-radius: 6px;\n padding: 16px 24px;\n margin: 10px 10px 10px 0;\n text-decoration: none;\n color: #0e7490;\n font-weight: 700;\n font-size: 1em;\n transition: all 0.2s ease;\n }\n\n .px-driver-link:hover {\n background: #06b6d4;\n color: white;\n }\n\n @media (max-width: 768px) {\n .px-hero { padding: 40px 20px; }\n .px-hero .px-title { font-size: 1.8em; }\n .px-section { padding: 30px 20px; }\n .px-section h2 { font-size: 1.6em; }\n .px-grid { grid-template-columns: 1fr; }\n .px-cta { padding: 40px 20px; }\n .px-cta h2 { font-size: 1.6em; }\n }\n\u003c\/style\u003e\n\u003cdiv class=\"px-desc\"\u003e\n\u003c!-- Hero --\u003e\n\u003cdiv class=\"px-hero\"\u003e\n\u003cp class=\"px-title\"\u003eProline X P12D-S\u003c\/p\u003e\n\u003cp class=\"px-subtitle\"\u003eDual 12\" Sealed Subwoofer Enclosure | V3\u003c\/p\u003e\n\u003cdiv class=\"px-badges\"\u003e\n\u003cspan class=\"px-badge\"\u003e2.0 ft³ Net\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003eSealed Alignment\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003eShared Air Space\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003e7\" Max Depth\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Introduction --\u003e\n\u003cdiv class=\"px-section\"\u003e\n\u003ch2\u003eTwo 12\" Drivers. One Sealed Enclosure. Wide Soundstage, Controlled Bass.\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eProline X P12D-S\u003c\/strong\u003e is a dual 12\" sealed enclosure built for installs that need the output and soundstage width of two drivers without the depth requirement of a large single-driver ported box. At \u003cstrong\u003e2.0 ft³ net\u003c\/strong\u003e in a shared air space with heavy internal bracing, and sealed alignment, this enclosure delivers controlled, accurate bass across a presentation that no single 12\" can replicate. Two 12\" drivers in sealed alignment produce combined cone area that approaches a single 18\" driver while maintaining the transient accuracy and flat response that sealed alignment delivers.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003e28\" wide, 14.5\" tall, and 12.5\" deep\u003c\/strong\u003e, the P12D-S fits across most full-size trunk floors without the depth commitment of a single 12\" ported box or a dual 12\" ported build. The \u003cstrong\u003e7\" max mounting depth\u003c\/strong\u003e covers the majority of standard 12\" drivers. Both drivers share a single terminal cup. Both must be run at the same impedance.\u003c\/p\u003e\n\u003cp\u003eEvery panel is CNC-cut from \u003cstrong\u003eLangboard Elite MDF\u003c\/strong\u003e to exact internal volume and assembled by hand in our Tennessee facility. Finish options are Dark Gray Trunkliner or Plush Black. Shipping is included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Why Dual Sealed --\u003e\n\u003cdiv class=\"px-section\"\u003e\n\u003ch2\u003eWhy Dual 12\" Sealed\u003c\/h2\u003e\n\u003cp\u003eTwo 12\" drivers in sealed alignment is one of the most capable bass configurations available in a compact depth profile. The combined cone area approaches a single 18\" driver, but at 12.5\" deep, the P12D-S fits across a full-size trunk floor where an 18\" ported box would require an entirely custom build to accommodate. The sealed alignment preserves the transient accuracy and flat response that makes the 12\" format valuable for musical listening, applied at a combined output level that fills large vehicles and pressurizes the cabin at moderate power levels.\u003c\/p\u003e\n\u003cp\u003eThe shared 2.0 ft³ air space with heavy internal bracing provides both drivers with a larger effective acoustic load than two individual 1.0 ft³ separated chambers, the drivers interact with a combined air mass that produces a more cohesive low-frequency response across the full 28\" baffle width.\u003c\/p\u003e\n\u003cdiv class=\"px-grid\"\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eCombined Cone Area\u003c\/h4\u003e\n\u003cp\u003eTwo 12\" drivers produce combined cone area approaching a single 18\" while maintaining the transient accuracy and flat response of sealed alignment. More output than any single 12\" at any power level, in a 12.5\" deep enclosure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eCompact Depth Profile\u003c\/h4\u003e\n\u003cp\u003eAt 12.5\" deep, the P12D-S fits across full-size trunk floors where a single 12\" ported or dual 12\" ported build would require significantly more depth. The output-to-depth ratio is the strongest argument for this configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eWide Bass Presentation\u003c\/h4\u003e\n\u003cp\u003eTwo drivers spaced across a 28\" baffle produce a wider, more even low-frequency field than any single point source. Bass is distributed more evenly across the full cabin width from driver seat to passenger seat.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eShared Air Space: Cohesive Response\u003c\/h4\u003e\n\u003cp\u003eThe shared 2.0 ft³ interior with heavy internal bracing provides a larger effective acoustic load per driver than separated chambers. Both drivers work the same combined air mass for a more cohesive low-frequency response across the full 28\" baffle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Construction --\u003e\n\u003cdiv class=\"px-section\" style=\"text-align: center;\"\u003e\n\u003ch2\u003eConstruction: Shared Air Space, Maximum Bracing, Single Terminal Cup\u003c\/h2\u003e\n\u003cp\u003eThe P12D-S uses the same Langboard Elite MDF and V-groove and dado joinery construction as every enclosure in the Proline X Performance Series. The interior is a single shared air space with heavy strategic bracing throughout, not two separated chambers. Two 12\" motors in a shared air space generate significant combined pressure on every panel simultaneously. The bracing strategy on the P12D-S is calculated to control panel resonance at the output levels two 12\" drivers can produce.\u003c\/p\u003e\n\u003ch3\u003eLangboard Elite MDF, Named, Verified, Documented\u003c\/h3\u003e\n\u003cp\u003eEvery panel is cut from \u003cstrong\u003eLangboard Elite MDF: 3\/4\" (18mm)\u003c\/strong\u003e, a named, mill-documented panel stock produced in the United States. The specifications below are pulled directly from Langboard's published mill data.\u003c\/p\u003e\n\u003cdiv class=\"px-highlight\"\u003e\n\u003ch3\u003eLangboard Elite: Published Mill Data\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDensity:\u003c\/strong\u003e 48.5 lbs\/ft³, higher density means less porosity, better screw retention, and reduced resonance\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal Bond:\u003c\/strong\u003e 200 psi, resistance to delamination under sustained bass pressure cycling\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModulus of Elasticity:\u003c\/strong\u003e 410,000 psi, panel stiffness under load; less flex means less resonance\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFace Screw Holding:\u003c\/strong\u003e 325 lbs, baffle hardware stays locked under vibration\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEdge Screw Holding:\u003c\/strong\u003e 250 lbs, joint integrity at every panel edge connection\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eV-Groove and Dado Joinery\u003c\/h3\u003e\n\u003cp\u003e\u003cimg alt=\"Pre Assembly showing dados and vcuts\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/P12D-S_III_Pre_Assembly.jpg?v=1742876131\" style=\"margin-bottom: 25px; float: none;\"\u003e\u003c\/p\u003e\n\u003cp\u003eEvery panel joint uses \u003cstrong\u003eV-groove and dado joinery\u003c\/strong\u003e, CNC-cut interlocking grooves that mechanically lock panels before adhesive is applied. On an enclosure spanning 28\" wide with two 12\" motors generating combined pressure on every panel simultaneously, joint integrity and panel rigidity are not optional. They are the structural foundation the enclosure depends on to maintain acoustic performance over time.\u003c\/p\u003e\n\u003ch3\u003eSingle Terminal Cup: Same Impedance Required\u003c\/h3\u003e\n\u003cp\u003eThe P12D-S uses a single \u003cstrong\u003eABS\/Carbon Fiber Composite recessed terminal cup\u003c\/strong\u003e built in-house at our Tennessee facility. Both drivers are wired internally to the cup with stainless steel hardware, aluminum landing plates, and copper ring terminals, pre-wired with \u003cstrong\u003e12g OFC speaker wire\u003c\/strong\u003e. Both drivers must be run at the same impedance. Confirm your amplifier output and driver impedances match before wiring.\u003c\/p\u003e\n\u003cdiv class=\"px-grid\"\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eShopSabre CNC Routers\u003c\/h4\u003e\n\u003cp\u003eEvery panel is machine-cut on ShopSabre industrial CNC routers. Both driver cutouts are machined to identical diameter and position across the 28\" baffle. Consistent geometry across every unit produced.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eHand-Assembled in Tennessee\u003c\/h4\u003e\n\u003cp\u003eEvery enclosure is hand-assembled at our Tennessee facility and inspected before it ships. No overseas manufacturing. No batch assembly shortcuts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eDark Gray Trunkliner or Plush Black\u003c\/h4\u003e\n\u003cp\u003eBoth finish options are professionally applied. Dark Gray Trunkliner blends with factory trunk materials. Plush Black delivers the traditional aftermarket look. Both are durably bonded for long-term wear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eShipping Included\u003c\/h4\u003e\n\u003cp\u003eNo freight charges at checkout. The price you see is the price you pay. The enclosure ships assembled and ready to install.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Fitment --\u003e\n\u003cdiv class=\"px-section\"\u003e\n\u003ch2\u003eFitment Guide\u003c\/h2\u003e\n\u003cp\u003eThe P12D-S spans \u003cstrong\u003e28\" wide\u003c\/strong\u003e and sits at only \u003cstrong\u003e12.5\" deep\u003c\/strong\u003e: a compact depth profile for a dual 12\" enclosure. It fits across most full-size trunk floors without the depth commitment of any ported 12\" build.\u003c\/p\u003e\n\u003ch3\u003eDimensional Specifications\u003c\/h3\u003e\n\u003cdiv class=\"px-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eExternal Dimensions:\u003c\/strong\u003e 28\" W x 14.5\" H x 12.5\" D\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNet Internal Volume:\u003c\/strong\u003e 2.0 ft³, shared air space, heavily braced\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTuning Frequency:\u003c\/strong\u003e N\/A, Sealed\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSubwoofer Cutout:\u003c\/strong\u003e 11.15\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMax Mounting Depth:\u003c\/strong\u003e 7\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFront Panel Thickness:\u003c\/strong\u003e 0.75\" Single Baffle\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eDriver Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe P12D-S accommodates any 12\" subwoofer with a cutout diameter at or below \u003cstrong\u003e11.15\"\u003c\/strong\u003e and a mounting depth at or below \u003cstrong\u003e7\"\u003c\/strong\u003e. Both drivers must be the same model and impedance. Verify published specifications before ordering.\u003c\/p\u003e\n\u003ch3\u003eCompatible Drivers\u003c\/h3\u003e\n\u003cp\u003eThe following drivers are available from Audio Intensity and are compatible with the P12D-S:\u003c\/p\u003e\n\u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-12-inch-subwoofer-nb2-series\"\u003eProdigy NB2-12D4 \u003c\/a\u003e \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/image-dynamics-id12-v4-12-inch-subwoofer\"\u003eImage Dynamics ID12 V4 \u003c\/a\u003e \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-12-inch-subwoofer-nb3-series\"\u003eProdigy NB3-12D4 \u003c\/a\u003e \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/arc-audio-arc-series-12-subwoofer\"\u003eArc Audio ARC12 D2 \u003c\/a\u003e\n\u003cp style=\"font-size: 0.9em; color: #64748b; margin-top: 12px;\"\u003eAlways verify cutout diameter and mounting depth against your specific driver's published specifications before ordering. Both drivers must be run at the same impedance.\u003c\/p\u003e\n\u003ch3\u003eIdeal Install Applications\u003c\/h3\u003e\n\u003cdiv class=\"px-grid\"\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eFull Trunk Floor Build\u003c\/h4\u003e\n\u003cp\u003eAt 28\" wide and 12.5\" deep, the P12D-S spans a full-size trunk floor with less depth than most single 12\" ported enclosures. A dual 12\" sealed build that fits where ported builds of any size cannot.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eSQ and DSP-Controlled Systems\u003c\/h4\u003e\n\u003cp\u003eTwo sealed 12\" drivers produce the combined output and wide bass presentation that SQ competition builds demand, with the flat sealed response that DSP-controlled systems can tune precisely. The most capable sealed configuration in the Performance Series lineup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eHigh-Output Daily Systems\u003c\/h4\u003e\n\u003cp\u003eCombined cone area approaching a single 18\" in sealed alignment produces output that fills large vehicles and pressurizes the cabin at moderate power levels. A strong platform for daily high-output builds that prioritize accuracy over raw SPL.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eStep Up From Single 12\" Sealed\u003c\/h4\u003e\n\u003cp\u003eFor builds running the P12-S that need more output and wider bass presentation without switching to a ported alignment, the P12D-S is the direct step up. Same driver compatibility, significantly more output and soundstage width.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- CTA --\u003e\n\u003cdiv class=\"px-cta\"\u003e\n\u003ch2\u003eDual 12\" Accuracy. Compact Depth. Tennessee-Built.\u003c\/h2\u003e\n\u003cp\u003eThe Proline X P12D-S delivers dual 12\" sealed performance in a 12.5\" deep enclosure that fits where larger builds cannot. Langboard Elite MDF. V-groove and dado joinery. Heavy internal bracing. In-house terminal cup. Hand-assembled in Tennessee and inspected before it ships.\u003c\/p\u003e\n\u003cp\u003eTwo drivers. Sealed accuracy. Combined cone area approaching a single 18\", in a compact trunk floor footprint. \u003cstrong\u003e$219.99 Dark Gray Trunkliner. $229.99 Plush Black.\u003c\/strong\u003e Shipping included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Dark Gray Trunkliner","offer_id":42257195303001,"sku":"P12D-S G","price":219.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black","offer_id":42257195335769,"sku":"P12D-S B","price":229.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-performance-p12d-s-dual-12-inch-sealed-subwoofer-boxsubwoofer-enclosuresproline-x-736180.jpg?v=1761969147"},{"product_id":"proline-x-p15-s-single-15-sealed-subwoofer-enclosure-v3","title":"Proline X P15-S | Single 15\" Sealed Subwoofer Enclosure | V3","description":"\u003cstyle\u003e\n .px-desc {\n font-family: 'Helvetica Neue', Arial, sans-serif;\n line-height: 1.8;\n color: #1e293b;\n max-width: 1200px;\n margin: 0 auto;\n background: #ffffff;\n }\n\n .px-hero {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-hero .px-title {\n font-size: 2.6em;\n font-weight: 800;\n text-transform: uppercase;\n letter-spacing: 2px;\n margin: 0 0 10px 0;\n color: white;\n }\n\n .px-hero .px-subtitle {\n font-size: 1.2em;\n font-weight: 300;\n opacity: 0.9;\n margin: 0 0 30px 0;\n }\n\n .px-badges {\n display: flex;\n justify-content: center;\n flex-wrap: wrap;\n gap: 12px;\n margin-top: 20px;\n }\n\n .px-badge {\n background: rgba(6, 182, 212, 0.2);\n border: 1px solid #06b6d4;\n color: #67e8f9;\n padding: 8px 20px;\n border-radius: 20px;\n font-size: 0.9em;\n font-weight: 600;\n letter-spacing: 0.5px;\n }\n\n .px-section {\n padding: 50px 40px;\n border-bottom: 1px solid #e2e8f0;\n background: #ffffff;\n }\n\n .px-section:nth-child(even) {\n background: #f0f9ff;\n }\n\n .px-section h2 {\n color: #0e7490;\n font-size: 2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n padding-bottom: 12px;\n border-bottom: 3px solid #06b6d4;\n }\n\n .px-section h3 {\n color: #0f172a;\n font-size: 1.4em;\n font-weight: 600;\n margin: 30px 0 15px 0;\n }\n\n .px-section p {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 18px;\n }\n\n .px-section ul {\n margin: 15px 0;\n padding-left: 25px;\n }\n\n .px-section li {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 10px;\n line-height: 1.7;\n }\n\n .px-grid {\n display: grid;\n grid-template-columns: repeat(2, 1fr);\n gap: 24px;\n margin: 30px 0;\n }\n\n .px-card {\n background: #ffffff;\n border: 1px solid #e2e8f0;\n border-top: 4px solid #06b6d4;\n border-radius: 6px;\n padding: 24px;\n }\n\n .px-card h4 {\n color: #0e7490;\n font-size: 1.15em;\n font-weight: 700;\n margin: 0 0 12px 0;\n }\n\n .px-card p {\n font-size: 1em;\n color: #475569;\n margin: 0;\n line-height: 1.7;\n }\n\n .px-highlight {\n background: #f0f9ff;\n border-left: 5px solid #06b6d4;\n padding: 24px 28px;\n margin: 28px 0;\n border-radius: 0 6px 6px 0;\n }\n\n .px-highlight h3 {\n color: #0e7490;\n margin: 0 0 12px 0;\n font-size: 1.2em;\n }\n\n .px-highlight p {\n margin-bottom: 10px;\n color: #1e293b;\n }\n\n .px-cta {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-cta h2 {\n font-size: 2.2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n color: white;\n border: none;\n padding: 0;\n }\n\n .px-cta p {\n font-size: 1.15em;\n opacity: 0.92;\n max-width: 800px;\n margin: 0 auto 20px auto;\n color: white;\n }\n\n .px-driver-link {\n display: inline-block;\n background: #f0f9ff;\n border: 2px solid #06b6d4;\n border-radius: 6px;\n padding: 16px 24px;\n margin: 10px 10px 10px 0;\n text-decoration: none;\n color: #0e7490;\n font-weight: 700;\n font-size: 1em;\n transition: all 0.2s ease;\n }\n\n .px-driver-link:hover {\n background: #06b6d4;\n color: white;\n }\n\n @media (max-width: 768px) {\n .px-hero { padding: 40px 20px; }\n .px-hero .px-title { font-size: 1.8em; }\n .px-section { padding: 30px 20px; }\n .px-section h2 { font-size: 1.6em; }\n .px-grid { grid-template-columns: 1fr; }\n .px-cta { padding: 40px 20px; }\n .px-cta h2 { font-size: 1.6em; }\n }\n\u003c\/style\u003e\n\u003cdiv class=\"px-desc\"\u003e\n\u003c!-- Hero --\u003e\n\u003cdiv class=\"px-hero\"\u003e\n\u003cp class=\"px-title\"\u003eProline X P15-S\u003c\/p\u003e\n\u003cp class=\"px-subtitle\"\u003eSingle 15\" Sealed Subwoofer Enclosure | V3\u003c\/p\u003e\n\u003cdiv class=\"px-badges\"\u003e\n\u003cspan class=\"px-badge\"\u003e2.0 ft³ Net\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003eSealed Alignment\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003e9\" Max Depth\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003e0.75\" Single Baffle\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Introduction --\u003e\n\u003cdiv class=\"px-section\"\u003e\n\u003ch2\u003eMaximum Cone Area. Sealed Accuracy. Built to Last.\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eProline X P15-S\u003c\/strong\u003e is a single 15\" sealed enclosure built for installs that need the output and low-frequency authority of the largest common subwoofer format, in a controlled, accurate alignment. At \u003cstrong\u003e2.0 ft³ net\u003c\/strong\u003e and sealed alignment, the P15-S gives a 15\" driver the air space it needs to produce deep, authoritative bass with a flat, predictable response curve. No port resonance. No tuning peak. No frequency-specific coloration. The 15\" cone moves significantly more air per excursion than any smaller driver, in sealed alignment, that output advantage is delivered with the same transient accuracy and DSP-tunability that sealed enclosures are known for.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003e19\" wide, 17\" tall, and 15\" deep\u003c\/strong\u003e, the P15-S fits in most full-size sedan and truck trunks without custom fabrication. The \u003cstrong\u003e9\" max mounting depth\u003c\/strong\u003e covers the majority of standard 15\" drivers. For installs where you need the physical impact and low-frequency extension that only a 15\" driver delivers, but want accuracy and control rather than a resonance, this is the correct enclosure.\u003c\/p\u003e\n\u003cp\u003eEvery panel is CNC-cut from \u003cstrong\u003eLangboard Elite MDF\u003c\/strong\u003e to exact internal volume and assembled by hand in our Tennessee facility. A single recessed \u003cstrong\u003eABS\/Carbon Fiber Composite terminal cup\u003c\/strong\u003e handles wiring, pre-wired with \u003cstrong\u003e12g OFC speaker wire\u003c\/strong\u003e. Finish options are Dark Gray Trunkliner or Plush Black. Shipping is included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Why 15\" Sealed --\u003e\n\u003cdiv class=\"px-section\"\u003e\n\u003ch2\u003eWhy a 15\" Driver in Sealed Alignment\u003c\/h2\u003e\n\u003cp\u003eThe argument for a sealed 15\" comes down to one specific performance combination: the cone area and air displacement advantage of a 15\" driver, delivered with the transient accuracy and flat response profile of a sealed enclosure. Most builders who choose a 15\" driver go ported for maximum output. The sealed option is for a different listener, one who wants the physical presence and low-frequency reach of a 15\" without the port resonance, the ported tuning peak, or the larger enclosure depth that a ported 15\" requires.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003e2.0 ft³ net\u003c\/strong\u003e, the P15-S places most standard 15\" drivers in the center of their recommended sealed range. The 15\" cone at this volume produces output levels that exceed a dual 12\" sealed configuration, with a single driver, a single terminal connection, and a simpler install. For installs where depth is available and output is the priority but accuracy cannot be sacrificed, the sealed 15\" is the most capable single-driver sealed configuration in the Performance Series.\u003c\/p\u003e\n\u003cdiv class=\"px-grid\"\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eMaximum Single-Driver Cone Area\u003c\/h4\u003e\n\u003cp\u003eA 15\" cone has roughly 55% more surface area than a 12\" driver. In sealed alignment, that translates directly into more output, deeper low-frequency extension, and greater physical impact. All delivered with the flat, controlled response that sealed enclosures produce.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eDeep Low-Frequency Extension\u003c\/h4\u003e\n\u003cp\u003eThe 15\" driver reaches sub-bass frequencies that smaller drivers in sealed enclosures cannot match at equivalent output levels. The P15-S produces bass below 30Hz with authority, the kind of physical presence that requires cone area, not just power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eSealed Accuracy at 15\" Scale\u003c\/h4\u003e\n\u003cp\u003eSealed alignment preserves the transient accuracy that produces tight, musical bass at any output level. The P15-S delivers the physical impact of a large-format driver without the port resonance or tuning-specific coloration that ported 15\" builds produce.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eDSP-Friendly Alignment\u003c\/h4\u003e\n\u003cp\u003eThe predictable 12 dB\/octave sealed rolloff responds accurately to DSP bass boost and crossover adjustments. Running a Goldhorn DSP or any active processor? Sealed alignment gives you full control over the final response without fighting a ported tuning peak.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Construction --\u003e\n\u003cdiv class=\"px-section\"\u003e\n\u003ch2\u003eConstruction: The Proline X Standard at 15\" Scale\u003c\/h2\u003e\n\u003cp\u003eThe P15-S uses the same Langboard Elite MDF and V-groove and dado joinery construction as every enclosure in the Proline X Performance Series. At 19\" wide and 15\" deep with a 15\" motor generating sustained pressure on every panel, the construction standard that holds up in compact 8\" builds is the same standard required here, and the P15-S is built to it without exception.\u003c\/p\u003e\n\u003ch3\u003eLangboard Elite MDF, Named, Verified, Documented\u003c\/h3\u003e\n\u003cp\u003eEvery panel is cut from \u003cstrong\u003eLangboard Elite MDF: 3\/4\" (18mm)\u003c\/strong\u003e, a named, mill-documented panel stock produced in the United States. The specifications below are pulled directly from Langboard's published mill data.\u003c\/p\u003e\n\u003cdiv class=\"px-highlight\"\u003e\n\u003ch3\u003eLangboard Elite: Published Mill Data\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDensity:\u003c\/strong\u003e 48.5 lbs\/ft³, higher density means less porosity, better screw retention, and reduced resonance\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal Bond:\u003c\/strong\u003e 200 psi, resistance to delamination under sustained bass pressure cycling\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModulus of Elasticity:\u003c\/strong\u003e 410,000 psi, panel stiffness under load; less flex means less resonance\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFace Screw Holding:\u003c\/strong\u003e 325 lbs, baffle hardware stays locked under vibration\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEdge Screw Holding:\u003c\/strong\u003e 250 lbs, joint integrity at every panel edge connection\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eV-Groove and Dado Joinery\u003c\/h3\u003e\n\u003cp\u003eEvery panel joint uses \u003cstrong\u003eV-groove and dado joinery\u003c\/strong\u003e, CNC-cut interlocking grooves that mechanically lock panels before adhesive is applied. A 15\" driver in a sealed enclosure generates significant sustained pressure on every panel simultaneously at high output levels. Every seam on the P15-S is mechanically locked before adhesive is applied, the joint integrity does not depend on adhesive condition alone. The box does not flex. The acoustic seal does not degrade over time.\u003c\/p\u003e\n\u003ch3\u003eIn-House ABS\/Carbon Fiber Composite Terminal Cup\u003c\/h3\u003e\n\u003cp\u003eThe terminal cup is built in-house at our Tennessee facility. The \u003cstrong\u003eABS\/Carbon Fiber Composite recessed cup\u003c\/strong\u003e features stainless steel hardware, aluminum landing plates, and copper ring terminals, pre-wired with \u003cstrong\u003e12g OFC speaker wire\u003c\/strong\u003e. The recessed mount protects terminals from cargo contact. Copper ring terminals provide a clean, corrosion-resistant connection that does not loosen under vibration over time.\u003c\/p\u003e\n\u003cdiv class=\"px-grid\"\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eShopSabre CNC Routers\u003c\/h4\u003e\n\u003cp\u003eEvery panel is machine-cut on ShopSabre industrial CNC routers. Consistent geometry, no hand-cut variance, no gaps at the joints. The internal volume of every P15-S is identical to spec across every unit produced.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eHand-Assembled in Tennessee\u003c\/h4\u003e\n\u003cp\u003eEvery enclosure is hand-assembled at our Tennessee facility and inspected before it ships. No overseas manufacturing. No batch assembly shortcuts. Regardless of enclosure size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eDark Gray Trunkliner or Plush Black\u003c\/h4\u003e\n\u003cp\u003eBoth finish options are professionally applied. Dark Gray Trunkliner blends with factory trunk materials for a clean, stealth appearance. Plush Black delivers the traditional aftermarket look. Both are durably bonded for long-term wear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eShipping Included\u003c\/h4\u003e\n\u003cp\u003eNo freight charges at checkout. The price you see is the price you pay. The enclosure ships assembled and ready to install.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Fitment --\u003e\n\u003cdiv class=\"px-section\"\u003e\n\u003ch2\u003eFitment Guide\u003c\/h2\u003e\n\u003cp\u003eThe P15-S fits in most full-size sedan and truck trunk configurations. At \u003cstrong\u003e19\"W x 17\"H x 15\"D\u003c\/strong\u003e, the 17\" height and 15\" depth are the critical dimensions. Verify both against your available trunk space before ordering.\u003c\/p\u003e\n\u003ch3\u003eDimensional Specifications\u003c\/h3\u003e\n\u003cdiv class=\"px-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eExternal Dimensions:\u003c\/strong\u003e 19\" W x 17\" H x 15\" D\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNet Internal Volume:\u003c\/strong\u003e 2.0 ft³\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTuning Frequency:\u003c\/strong\u003e N\/A, Sealed\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSubwoofer Cutout:\u003c\/strong\u003e 14.1\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMax Mounting Depth:\u003c\/strong\u003e 9\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFront Panel Thickness:\u003c\/strong\u003e 0.75\" Single Baffle\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eDriver Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe P15-S accommodates any 15\" subwoofer with a cutout diameter at or below \u003cstrong\u003e14.1\"\u003c\/strong\u003e and a mounting depth at or below \u003cstrong\u003e9\"\u003c\/strong\u003e. Verify both dimensions against your driver's published specifications before ordering.\u003c\/p\u003e\n\u003ch3\u003eCompatible Drivers\u003c\/h3\u003e\n\u003cp\u003eThe following drivers are available from Audio Intensity and are compatible with the P15-S:\u003c\/p\u003e\n\u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-1200-watt-15-inch-subwoofer-nb5-series\"\u003eProdigy NB5-15D2 \u003c\/a\u003e \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/image-dynamics-idmax15d-v4\"\u003eImage Dynamics IDMAX15 V4 \u003c\/a\u003e\n\u003cp style=\"font-size: 0.9em; color: #64748b; margin-top: 12px;\"\u003eAlways verify cutout diameter and mounting depth against your specific driver's published specifications before ordering.\u003c\/p\u003e\n\u003ch3\u003eIdeal Install Applications\u003c\/h3\u003e\n\u003cdiv class=\"px-grid\"\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eFull-Size Trunk Build\u003c\/h4\u003e\n\u003cp\u003eAt 19\" wide and 15\" deep, the P15-S fits in most full-size sedan and truck trunk configurations. The 17\" height is the most constraining dimension in tighter trunk environments. Measure available height before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eSQ and DSP-Controlled Systems\u003c\/h4\u003e\n\u003cp\u003eSealed alignment and 2.0 ft³ net volume make the P15-S the correct enclosure for 15\" drivers in sound quality and DSP-controlled builds where the goal is maximum output with accurate, tuneable response rather than port-tuned SPL.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eHigh-Output Daily Systems\u003c\/h4\u003e\n\u003cp\u003eThe 15\" format in sealed alignment produces the most output available from a single-driver sealed configuration in the Performance Series. For daily systems where physical bass impact is the priority and accuracy cannot be sacrificed, the P15-S is the top of the sealed lineup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eStep Up From Dual 12\" Sealed\u003c\/h4\u003e\n\u003cp\u003eFor builds running the P12D-S that need more output and deeper extension from a single driver rather than two, the P15-S is the natural progression. More cone area, more output, simpler wiring, in a comparable trunk footprint.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- CTA --\u003e\n\u003cdiv class=\"px-cta\"\u003e\n\u003ch2\u003eMaximum Sealed Output. Tennessee-Built. Shipping Included.\u003c\/h2\u003e\n\u003cp\u003eThe Proline X P15-S is the most capable single-driver sealed enclosure in the Performance Series. Langboard Elite MDF. V-groove and dado joinery. 9\" max mounting depth. In-house terminal cup. Hand-assembled in Tennessee and inspected before it ships.\u003c\/p\u003e\n\u003cp\u003eMaximum cone area. Sealed accuracy. The top of the Performance Series sealed lineup. \u003cstrong\u003e$219.99 Dark Gray Trunkliner. $229.99 Plush Black.\u003c\/strong\u003e Shipping included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Dark Gray Trunkliner","offer_id":43157046329433,"sku":"P15-S G","price":219.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black","offer_id":43157046362201,"sku":"P15-S B","price":229.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/products\/proline-x-performance-p15-s-sealed-enclosure-for-15-subwooferssubwoofer-enclosuresproline-x-965307.jpg?v=1761969168"},{"product_id":"jeep-jk-subwoofer-box","title":"Jeep JK Subwoofer Box 2007-2017 4 Door","description":"\u003ch2 data-mce-fragment=\"1\"\u003eUpgrade Your Jeep Wrangler Audio\u003c\/h2\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\n\u003cspan\u003eThe Proline X VS \u003c\/span\u003e\u003cem\u003eCustom Subwoofer Enclosure\u003c\/em\u003e\u003cspan\u003e for \u003c\/span\u003e\u003cem\u003eJeep JK Tailored\u003c\/em\u003e\u003cspan\u003e Bass Solutions for Jeep Enthusiasts\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eElevate your Jeep Wrangler's sound system with the Proline X VS Jeep 12-S, meticulously crafted for the 2007-2017 JK series 4-door Jeep Wrangler and also fitting the Jeep Wrangler JK 4-door. This custom subwoofer enclosure is not merely an addition but a transformative element for your off-road escapades and city drives, striking the perfect balance between immersive sound and efficient use of space.\u003c\/p\u003e\n\u003cp\u003eDesigned to provide deep, resonant bass without sacrificing your Wrangler's cargo area functionality or design, the Proline X VS Jeep 12-S features:\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003eSpace-Efficient Design:\u003c\/strong\u003e It integrates flawlessly within the cargo space, preserving your Jeep's practicality and sleek appearance, making it an ideal Jeep JK 2-Door\u003cem data-mce-fragment=\"1\"\u003e\u003ca href=\"https:\/\/audiointensity.com\/collections\/subwoofer-box\" target=\"_blank\" rel=\"noopener\"\u003e Subwoofer Box\u003c\/a\u003e\u003c\/em\u003e\u003cspan\u003e data-mce-fragment=\"1\"\u0026gt;.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003eOptimized for Rich Bass:\u003c\/strong\u003e  \u003cspan data-mce-fragment=\"1\"\u003eAccommodates any standard 10\" or 12\" subwoofer, with a sealed air space of 1.1ft³ and up to 9\" mounting depth, ensuring premium bass performance for the \u003c\/span\u003e\u003cem data-mce-fragment=\"1\"\u003eJeep JK Subwoofer Enclosure\u003c\/em\u003e\u003cspan data-mce-fragment=\"1\"\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003eDurable Construction: \u003c\/strong\u003eConstructed from robust 100% MDF, this enclosure is as rugged as your Jeep, with a bed liner interior coating for superior sound quality and longevity, perfect for a \u003cem data-mce-fragment=\"1\"\u003eJKU Subwoofer Box\u003c\/em\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eExceptional Sound for Every Journey | Proudly Made in the USA\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan\u003eThe Proline X VS Jeep 12-S is a custom-built subwoofer enclosure designed to enhance your driving experience, whether navigating urban streets or tackling the great outdoors. Its features include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan\u003e\u003cstrong\u003eCustom Fit for Your Jeep\u003c\/strong\u003e: Engineered for both driver and passenger-side installations, these durable, Jeep-specific sub-boxes are customizable to your sound preferences, making them suitable as a \u003c\/span\u003e\u003cem\u003eJeep Wrangler JK 4 Door Subwoofer Box\u003c\/em\u003e\u003cspan\u003e. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan\u003e\u003cstrong\u003eBroad Compatibility\u003c\/strong\u003e: It is ideal for the 4-door Jeep Wrangler JK and Unlimited models, with upcoming versions for the Jeep Wrangler JL.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFAQs\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eWill this subwoofer box fit my Jeep?\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eWe specifically tailored for 2007-2017 JK series 4-door Jeep Wrangler and Wrangler Unlimited models, with a Jeep Wrangler JL variant on the way. This makes it a perfect fit for those searching for a \u003c\/span\u003e\u003cem data-mce-fragment=\"1\"\u003eJeep JK 2 Door Subwoofer Box\u003c\/em\u003e\u003cspan data-mce-fragment=\"1\"\u003e or a \u003c\/span\u003e\u003cem data-mce-fragment=\"1\"\u003eJeep JK 4 Door Subwoofer Box\u003c\/em\u003e\u003cspan data-mce-fragment=\"1\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eCan this be used with a soft-top Jeep Wrangler?\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes, its design ensures seamless integration without interfering with soft-top functionality, ideal for those with a \u003c\/span\u003e\u003cem\u003eJeep JK Subwoofer Enclosure\u003c\/em\u003e\u003cspan\u003e in mind.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhat about installing dual sub-boxes for enhanced sound?\u003c\/h3\u003e\n\u003cp\u003eAbsolutely, installing a subwoofer enclosure on each side is possible for those seeking superior bass depth, especially for a \u003cem\u003eJKU Subwoofer Box\u003c\/em\u003e setup.\u003cbr\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eKey Features at a Glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan\u003e\u003cstrong\u003eJeep JK and Unlimited Specific:\u003c\/strong\u003e Custom-designed for the 2007-2017 JK series 4-door Jeep Wrangler, also suitable as a \u003c\/span\u003e\u003cem\u003eJeep Wrangler JK 4 Door Subwoofer Box\u003c\/em\u003e\u003cspan\u003e. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan\u003e\u003cstrong\u003eOptimal Space and Sound Balance:\u003c\/strong\u003e It delivers powerful bass without compromising cargo space, making it an ideal choice for a Jeep JK 2-Door Subwoofer\u003c\/span\u003e\u003cem\u003e Box\u003c\/em\u003e\u003cspan\u003e. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan\u003e\u003cstrong\u003eSuperior Bass Performance:\u003c\/strong\u003e This enclosure supports 10\" or 12\" subwoofers for exceptional sound, making it a must-have for any \u003c\/span\u003e\u003cem\u003eJeep JK Subwoofer Enclosure\u003c\/em\u003e\u003cspan\u003e. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan\u003e\u003cstrong\u003eSturdy and Durable:\u003c\/strong\u003e It has a 100% MDF construction and an interior bed liner for enhanced sound, perfect for \u003c\/span\u003e\u003cem\u003eJKU Subwoofer Box\u003c\/em\u003e\u003cspan\u003e enthusiasts. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan\u003e\u003cstrong\u003eFlexible Installation:\u003c\/strong\u003e Fits both sides of the Jeep and is compatible with soft-top models, offering versatility for \u003c\/span\u003e\u003cem\u003eJeep Wrangler JK 4 Door Subwoofer Box\u003c\/em\u003e\u003cspan\u003e installations. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan\u003e\u003cstrong\u003eElegant Plush Black Carpet:\u003c\/strong\u003e This carpet comes standard for a sophisticated look and added protection, enhancing the aesthetic of your Jeep JK Subwoofer Box.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan\u003e\u003cstrong\u003e Option for Extra Durability\u003c\/strong\u003e: An exterior\u003c\/span\u003e\u003cspan\u003e bed liner coating is available for increased toughness, ideal for rugged \u003c\/span\u003e\u003cem\u003eJeep JK Subwoofer Enclosures\u003c\/em\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan\u003e\u003cstrong\u003e Customization Options:\u003c\/strong\u003e Acrylic inserts are available for a personalized aesthetic, adding a unique touch to your \u003c\/span\u003e\u003cem\u003eJKU Subwoofer Box\u003c\/em\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan\u003eTransform the sound experience in your Jeep Wrangler with the Proline X Custom Subwoofer Enclosure for Jeep JK, offering rugged durability, exceptional audio performance, and the perfect fit for your lifestyle. Enjoy the added perk of free shipping in the lower 48 US states and the convenience of included mounting hardware for straightforward installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e***Does Not include a subwoofer. \u003c\/p\u003e","brand":"Proline X","offers":[{"title":"12\" \/ Driver Side \/ No","offer_id":40911379333209,"sku":"VS JK 12-S D","price":599.99,"currency_code":"USD","in_stock":false},{"title":"12\" \/ Driver Side \/ Yes","offer_id":40911379267673,"sku":"VS JK 12-S D Acr","price":679.99,"currency_code":"USD","in_stock":false},{"title":"12\" \/ Passenger Side \/ No","offer_id":40911379365977,"sku":"VS JK 12-S P","price":599.99,"currency_code":"USD","in_stock":false},{"title":"12\" \/ Passenger Side \/ Yes","offer_id":40911379300441,"sku":"VS JK 12-S P Acr","price":679.99,"currency_code":"USD","in_stock":false},{"title":"10\" \/ Driver Side \/ No","offer_id":40911379202137,"sku":"VS JK 10-S D","price":599.99,"currency_code":"USD","in_stock":false},{"title":"10\" \/ Driver Side \/ Yes","offer_id":40911379136601,"sku":"VS JK 10-S D Acr","price":679.99,"currency_code":"USD","in_stock":false},{"title":"10\" \/ Passenger Side \/ No","offer_id":40911379234905,"sku":"VS JK 10-S P","price":599.99,"currency_code":"USD","in_stock":false},{"title":"10\" \/ Passenger Side \/ Yes","offer_id":40911379169369,"sku":"VS JK 10-S P Acr","price":679.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/products\/jeep-jk-subwoofer-box-2007-2017-4-doorproline-x-295493.jpg?v=1761970108"},{"product_id":"2015-2023-ford-f150-2017-2023-f250-direct-fit-subwoofer-enclosure","title":"F-150 Behind Seat Single 10\" (2015-2023) Subwoofer Enclosure | Super Duty Model","description":"\u003ch2 data-sourcepos=\"37:1-37:76\"\u003eF-Series Bass Upgrade: Powerful Sound Without Sacrificing Space\u003c\/h2\u003e\n\u003cp\u003eAs the \u003cstrong\u003eFord F-150\u003c\/strong\u003e, a top-line vehicle in the Ford Super Duty lineup, reigns as the top-selling vehicle in the United States, Proline X offers an innovative hideaway subwoofer solution tailored for it.\u003c\/p\u003e\n\u003cp\u003eRecognizing that not everyone is willing to sacrifice their under-seat storage, Proline X has crafted a unique enclosure that doesn't just fit; it enhances. Positioned snugly behind the passenger-side rear seat, the enclosure is designed for either a single 10-inch woofer or, for those who demand even more, the entire space behind the seat can house two 10-inch woofers.\u003c\/p\u003e\n\u003cp\u003eThe Proline X enclosure stands out in a market flooded with generic options. Tailored specifically for the acoustics of Ford trucks, including the Ford SuperCrew cab and Super Cab trucks, it ensures that every beat and bass note is heard and felt. This box isn't just about volume but clarity, depth, and precision.\u003c\/p\u003e\n\u003cp\u003eWhether you're a rock, hip-hop, or classical fan, the Proline X enclosure brings your Ford F-150's audio system to life, integrating seamlessly with factory audio and aftermarket subwoofer systems.\u003c\/p\u003e\n\u003cp\u003eProline X is committed to maintaining the integrity of your vehicle's interior. This stack fab-designed enclosure, \u003cstrong\u003eoffering optimal .5 cubic feet per sub\u003c\/strong\u003e for enhanced bass frequencies, boasts seamless integration with your truck's aesthetic, complemented by a premium black carpet that echoes the sophistication of your F-150's interior.\u003c\/p\u003e\n\u003cp\u003eLooking for more output in the same location? \u003ca href=\"https:\/\/audiointensity.com\/products\/2015-2023-ford-f150-2017-2023-f250-direct-fit-subwoofer-enclosure-pr-edition\"\u003eSee our PR upgrade version\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan style=\"color: #ff2a00;\"\u003e ****Woofers not included. However, different woofers require different mounting holes. We have painstakingly verified the fitment of all the woofers we have listed.\u003c\/span\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan style=\"color: #ff2a00;\"\u003eIf you do not see your woofer listed, email us to verify if your woofer will work in this enclosure!\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10-S JL\u003c\/strong\u003e: Single 10” Sealed | Passenger Side | JL 10Tw3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10-S KIK\u003c\/strong\u003e: Single 10” | Sealed | Passenger Side | Kicker Comp RT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10-S RF\u003c\/strong\u003e: Single 10” | Sealed | Passenger Side | Rockford P3SD2-10 I P3SD4-10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10-S ALP\u003c\/strong\u003e: Single 10” | Sealed | Passenger Side | Alpine RS-W10D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10-S HTZ\u003c\/strong\u003e: Single 10” | Sealed | Passenger Side | Hertz MPS 250\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10-S AM\u003c\/strong\u003e: Single 10” | Sealed | Passenger Side | Audiomobile Evo 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10-S PB\u003c\/strong\u003e: Single 10” | Sealed | Passenger Side | PowerBass XL-1040T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 12-S PB\u003c\/strong\u003e: Single 12” | Sealed | Passenger Side | PowerBass XL-1240T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10-S MTX\u003c\/strong\u003e: Single 10” | Sealed | Passenger Side | MTX 3500 Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10-S GZ\u003c\/strong\u003e: Single 10” | Sealed | Passenger Side | GZRW 250-D2 FLAT \/ GZTW 10F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10-S PIO\u003c\/strong\u003e: Single 10” | Sealed | Passenger Side | PIONEER TS-A2500LS4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10-S INF\u003c\/strong\u003e: Single 10” | Sealed | Passenger Side | Infinity REF1000S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10-S FOC\u003c\/strong\u003e: Single 10” | Sealed | Passenger Side | Focal SUBP25FSE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10-S MEM\u003c\/strong\u003e: Single 10” | Sealed | Passenger Side | Memphix PRX1024\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for a different \u003ca href=\"https:\/\/audiointensity.com\/collections\/ford-f150-subwoofer-box\" target=\"_blank\" title=\"Ford F150 Subwoofer Box\" rel=\"noopener\"\u003eFord F150 Subwoofer Enclosure\u003c\/a\u003e?\u003c\/p\u003e\n\u003ctable data-sheets-root=\"1\" border=\"1\" dir=\"ltr\" cellpadding=\"0\" cellspacing=\"0\" xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\"\u003e\n\u003ccolgroup\u003e \u003ccol width=\"279\"\u003e \u003ccol width=\"471\"\u003e \u003ccol width=\"77\"\u003e \u003ccol width=\"90\"\u003e \u003ccol width=\"149\"\u003e \u003ccol width=\"76\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Proline X","offers":[{"title":"JL Audio 10TW3","offer_id":41006416691289,"sku":"VS FD1 10-S JL","price":359.99,"currency_code":"USD","in_stock":true},{"title":"Kicker CompRT 10","offer_id":41006429864025,"sku":"VS FD1 10-S KIK","price":359.99,"currency_code":"USD","in_stock":true},{"title":"Rockford P3SD2-10 I P3SD4-10","offer_id":41006429896793,"sku":"VS FD1 10-S RF","price":359.99,"currency_code":"USD","in_stock":true},{"title":"Alpine RS-W10D","offer_id":41006429929561,"sku":"VS FD1 10-S ALP","price":359.99,"currency_code":"USD","in_stock":true},{"title":"Hertz MPS 250","offer_id":41006429962329,"sku":"VS FD1 10-S HTZ","price":359.99,"currency_code":"USD","in_stock":true},{"title":"Audiomobile Evo 10","offer_id":41006429995097,"sku":"VS FD1 10-S AM","price":359.99,"currency_code":"USD","in_stock":true},{"title":"PowerBass XL-1040T","offer_id":41006430027865,"sku":"VS FD1 10-S PB","price":359.99,"currency_code":"USD","in_stock":true},{"title":"MTX 3500 Series","offer_id":41006430060633,"sku":"VS FD1 10-S MTX","price":359.99,"currency_code":"USD","in_stock":false},{"title":"PIONEER TS-A2500LS4","offer_id":41006430126169,"sku":"VS FD1 10-S PIO","price":359.99,"currency_code":"USD","in_stock":true},{"title":"Infinity REF1000S","offer_id":41006430224473,"sku":"VS FD1 10-S INF","price":359.99,"currency_code":"USD","in_stock":true},{"title":"Wavtech thinPRO12","offer_id":42327032266841,"sku":"VS FD1 12-S Wav","price":379.99,"currency_code":"USD","in_stock":true},{"title":"Wavtech thinPRO10","offer_id":43175809777753,"sku":"VS FD1 10-S Wav","price":369.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/products\/2015-2023-ford-f-150-2017-2023-f-250-direct-fit-behind-seat-subwoofer-enclosure-super-duty-modelproline-x-919609.jpg?v=1761970141"},{"product_id":"ford-maverick-10-inch-subwoofer-box-proline-x","title":"Ford Maverick 10 inch Subwoofer Box | Proline X","description":"\u003ch2\u003eIntroducing the Ford Maverick Single 10-inch Subwoofer Box - Driver Side\u003c\/h2\u003e\n\u003cp\u003eOwning a Maverick means dealing with limited space for subwoofer activities. With their \u003ca href=\"https:\/\/audiointensity.com\/collections\/ford-maverick-subwoofer-enclosures\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eFord\u003c\/strong\u003e \u003cstrong\u003eMaverick Subwoofer Box\u003c\/strong\u003e\u003c\/a\u003e, Proline X has developed the ultimate solution to overcome these obstacles.\u003c\/p\u003e\n\u003ch3\u003eUnleashing the Power of Bass\u003c\/h3\u003e\n\u003cp\u003eThis enclosure works flawlessly with many 10-inch subwoofers. This design provides ported-level output while maintaining the control of a sealed enclosure. It truly offers the best of both worlds for bass performance and is a \u003ca href=\"https:\/\/audiointensity.com\/products\/6-5-inch-subwoofer-box-professional\" rel=\"noopener\" target=\"_blank\"\u003eProline X\u003c\/a\u003e exclusive, built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003ch3\u003eKey Features of the Ford Maverick 10-inch Subwoofer Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAvailable airspace: 0.6 ft³\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStack Fab design\u003c\/li\u003e\n\u003cli\u003e3\/4\" MDF construction\u003c\/li\u003e\n\u003cli\u003e\\nn\u003c\/li\u003e\n\u003cli\u003eDouble Baffle - 10.75\" Woofer recess Opening\u003c\/li\u003e\n\u003cli\u003eDrop-in fitment with no seat modifications needed\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eExceptional Build Quality\u003c\/li\u003e\n\u003cli\u003ePlush Black Carpet \u003c\/li\u003e\n\u003cli\u003eVinyl  + Acrylic Inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerfect Fitment\u003c\/h3\u003e\n\u003cp\u003eThe enclosure offers drop-in fitment with no seat modifications, making installation quick and hassle-free. Enjoy high-performance sound without compromising your Maverick’s interior space.\u003c\/p\u003e\n\u003ch3\u003eFree Shipping to the Lower 48 States\u003c\/h3\u003e\n\u003cp\u003eEnjoy free shipping on all Proline X \u003ca href=\"https:\/\/audiointensity.com\/pages\/sealed-airspace\" rel=\"noopener\" target=\"_blank\"\u003eSubwoofer Enclosures\u003c\/a\u003e to the lower 48 states. Proline X ensures your high-quality subwoofer solution arrives quickly and securely, ready to enhance your Maverick’s audio performance.\u003c\/p\u003e\n\u003cp\u003eOur subwoofer box stands out with its premium construction and precision design, ensuring superior sound quality and durability. Whether you're an audiophile or love a good bass line, the Proline X 10-inch Subwoofer Box will elevate your audio experience.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":41828011933785,"sku":"VS MAV 10-S Driver","price":349.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/ford-maverick-10-inch-subwoofer-box-proline-xsubwoofer-enclosuresproline-x-839202.jpg?v=1761970203"},{"product_id":"toyota-tacoma-direct-fit-subwoofer-enclosure","title":"Toyota Tacoma Subwoofer Enclosure (2015-2023) – Fits 10\" Subwoofer","description":"\u003ch3\u003eSealed Subwoofer Enclosure for Toyota Tacoma (2015-2023)\u003c\/h3\u003e\n\u003cp\u003eEnhance your Toyota Tacoma’s audio system with this precision-engineered sealed subwoofer enclosure, designed specifically for 2015-2023 models. Whether you’re an audiophile or simply want to enjoy richer, deeper bass during your daily drive, this vehicle-specific enclosure offers the perfect balance of style, performance, and practicality. The design ensures a direct fit behind the passenger side rear seat, making installation seamless while maintaining the factory look of your truck’s interior.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle-Specific Design:\u003c\/strong\u003e Tailored for the 2015-2023 Toyota Tacoma, this enclosure fits flawlessly behind the passenger side rear seat, preserving legroom and interior space. The exact dimensions (28\" W x 12\" H x 7.5\" D) ensure a snug fit that looks factory-installed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePremium Sound for 10-Inch Subwoofers:\u003c\/strong\u003e Designed to house a single 10-inch subwoofer, this sealed enclosure provides tight, punchy bass with minimal distortion. The .6 cubic feet of internal volume is optimized to enhance the performance of your subwoofer, ensuring that every note is delivered with clarity and power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDurable and Stylish Construction:\u003c\/strong\u003e This enclosure is engineered to last and is built with high-quality materials. Its sleek design complements the Tacoma’s rugged yet refined interior, allowing you to boost your audio performance without sacrificing aesthetics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEffortless Installation:\u003c\/strong\u003e No need for complex modifications. This enclosure is built to fit directly into your Tacoma with minimal effort. It slides easily into place behind the rear seat and integrates seamlessly with your vehicle’s existing sound system, making it ideal for both professional installers and DIY enthusiasts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSealed for Superior Bass Control:\u003c\/strong\u003e The sealed design ensures controlled, accurate bass reproduction, eliminating port noise and providing a more defined sound experience. Perfect for genres like rock, jazz, and electronic music where clarity and precision are key.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUpgrade Your Tacoma's Sound System Without Compromise\u003c\/h3\u003e\n\u003cp\u003eThis sealed subwoofer enclosure is the perfect solution for Tacoma owners looking to enhance their audio experience without sacrificing space or aesthetics. Whether you’re upgrading for better sound quality or replacing an old system, this enclosure offers a high-performance solution designed for a custom, factory-like fit.\u003c\/p\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":41922767323225,"sku":"VS TOY 10-S","price":329.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/toyota-tacoma-subwoofer-enclosure-2015-2023-fits-10-subwoofersubwoofer-enclosuresproline-x-725297.jpg?v=1761970247"},{"product_id":"professional-series-enclosure-image-dynamics-idmax-10-sealed-box","title":"Professional Series Sealed 10\" Enclosure | Image Dynamics IDMAX10 V4","description":"\u003cstyle\u003e.df-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#d6d3d1;max-width:1100px;margin:0 auto;background:#0c0a09}.df-wrap *{box-sizing:border-box}.df-hero{background:linear-gradient(135deg,#0c0a09 0%,#001a91 100%);padding:54px 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10px}.df-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px}.df-legend-item{display:flex;align-items:center;gap:6px;font-size:12px;color:#a8a29e}.df-sw{width:22px;height:3px;border-radius:2px;display:inline-block}.df-note{background:#292524;border:1px solid #44403c;border-radius:8px;padding:14px 16px;margin-top:10px}.df-note p{margin:0;color:#d6d3d1;font-size:13.5px;line-height:1.6}.df-link{color:#7089ff;text-decoration:underline}.df-cta{background:linear-gradient(135deg,#0c0a09 0%,#001a91 100%);padding:40px 36px;text-align:center;color:#fff}.df-cta h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0}.df-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#d6d3d1}.df-tier{overflow-x:auto;margin:18px 0;border:1px solid #44403c;border-radius:8px}.df-tier table{width:100%;border-collapse:collapse;min-width:660px}.df-tier th{background:#0c0a09;color:#a8a29e;font-size:.74em;text-transform:uppercase;letter-spacing:.6px;padding:12px 14px;text-align:left;border-bottom:1px solid #44403c;font-weight:700}.df-tier th.on{background:#001264;color:#99abff}.df-tier td{padding:11px 14px;border-bottom:1px solid #292524;color:#a8a29e;font-size:.88em;vertical-align:top;line-height:1.55}.df-tier td.a{color:#d6d3d1;font-weight:700;background:#1c1917;width:19%}.df-tier td.on{background:rgba(91,120,255,.10);color:#d6d3d1}.df-tier tr:last-child td{border-bottom:none}@media(max-width:600px){.df-hero h2{font-size:1.7em}.df-section,.df-enc,.df-cta,.df-hero{padding-left:20px;padding-right:20px}}\u003c\/style\u003e\n\u003cdiv class=\"df-wrap\"\u003e\n\n\u003cdiv class=\"df-hero\"\u003e\n  \u003ch2\u003eProfessional Series Sealed 10\" Enclosure | Image Dynamics IDMAX10 V4\u003c\/h2\u003e\n  \u003cp\u003eThe IDMAX10 V4 pairs a heavy motor with a soft suspension, and Image Dynamics themselves recommend a sealed enclosure for it rather than a ported one. This cabinet holds 0.75 cubic feet net, landing the D2 coil at a Qtc of 1.01 and an Fc of 44.8 Hz. It is the single-driver sealed box in the professional Image Dynamics line, built to the tighter end of the range Image Dynamics themselves publish for this driver.\u003c\/p\u003e\n  \u003cdiv class=\"df-badges\"\u003e\n    \u003cspan class=\"df-badge\"\u003eSealed\u003c\/span\u003e\n    \u003cspan class=\"df-badge\"\u003eQtc 1.01\u003c\/span\u003e\n    \u003cspan class=\"df-badge\"\u003eF3 35.0 Hz\u003c\/span\u003e\n    \u003cspan class=\"df-badge\"\u003eCut for the Image Dynamics IDMAX10 V4\u003c\/span\u003e\n    \u003cspan class=\"df-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"df-section\"\u003e\n  \u003ch3\u003eWhy this driver is sealed\u003c\/h3\u003e\n  \u003cp\u003eThe IDMAX10 V4 pairs a heavy motor with a soft suspension, and Image Dynamics themselves recommend a sealed enclosure for it rather than a ported one. This cabinet holds 0.75 cubic feet net, landing the D2 coil at a Qtc of 1.01 and an Fc of 44.8 Hz. It is the single-driver sealed box in the professional Image Dynamics line, built to the tighter end of the range Image Dynamics themselves publish for this driver.\u003c\/p\u003e\n  \u003cp\u003eA Qtc of 1.01 is a tight, slightly peaked alignment: it trades away the last bit of low-end reach for a smaller box and a punchier sound with a mild lift near Fc, and it sits close to what Image Dynamics call their Universal tier for this driver. Their own manual lists three sealed volumes for the IDMAX10, a Compact box at 42 Hz, a Universal box at 39 Hz, and an Audiophile box at 37 Hz, all measured gross including the driver's own displacement. This cabinet's 0.75 cubic feet net comes out to a little under seven-eighths of a cubic foot gross, which lands between their Universal and Audiophile figures. F3 on this box works out to 35.0 Hz.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"df-section\"\u003e\n  \u003ch3\u003eThe alignment\u003c\/h3\u003e\n  \u003cp\u003e0.750 cu ft net at Qtc 1.01, Fc 44.8 Hz, F3 35.0 Hz.\u003c\/p\u003e\n  \u003cp\u003ePolyfill is included, sized to the chamber. It is part of the alignment above, not packing material, so it\n  should not be removed.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"df-section\"\u003e\n  \u003ch3\u003eThe cabinet\u003c\/h3\u003e\n  \u003cp\u003e20.00\" W x 13.00\" H x 10.00\" D external. It ships as a UPS parcel; the price includes shipping in the 48 states.\u003c\/p\u003e\n  \u003cp\u003eThis is our single-ten sealed envelope for one IDMAX10, sized to the driver's frame and motor depth.\u003c\/p\u003e\n  \u003cp\u003eT\/S for the IDMAX10 D2 come from loudspeakerdatabase.com's mirror of Image Dynamics' own coil-specific publication. Image Dynamics' own published Qes for this coil is inconsistent with their own Fs, Qts and Qms figures; the Qes carried in our data is derived from those three instead, at 0.704, rather than the number Image Dynamics print. Image Dynamics recommend a sealed box for the IDMAX10, and this cabinet is exactly that.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":42071457628249,"sku":"Pro10-S IDMAX","price":253.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/professional-series-enclosure-image-dynamics-idmax-10-sealed-boxsubwoofer-enclosuresproline-x-584576.jpg?v=1761970288"},{"product_id":"professional-series-enclosure-image-dynamics-idmax-12-sealed-box","title":"Professional Series Sealed 12\" Enclosure | Image Dynamics IDMAX12 V4","description":"\u003cstyle\u003e.df-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#d6d3d1;max-width:1100px;margin:0 auto;background:#0c0a09}.df-wrap *{box-sizing:border-box}.df-hero{background:linear-gradient(135deg,#0c0a09 0%,#001a91 100%);padding:54px 36px;text-align:center;color:#fff}.df-hero 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10px}.df-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px}.df-legend-item{display:flex;align-items:center;gap:6px;font-size:12px;color:#a8a29e}.df-sw{width:22px;height:3px;border-radius:2px;display:inline-block}.df-note{background:#292524;border:1px solid #44403c;border-radius:8px;padding:14px 16px;margin-top:10px}.df-note p{margin:0;color:#d6d3d1;font-size:13.5px;line-height:1.6}.df-link{color:#7089ff;text-decoration:underline}.df-cta{background:linear-gradient(135deg,#0c0a09 0%,#001a91 100%);padding:40px 36px;text-align:center;color:#fff}.df-cta h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0}.df-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#d6d3d1}.df-tier{overflow-x:auto;margin:18px 0;border:1px solid #44403c;border-radius:8px}.df-tier table{width:100%;border-collapse:collapse;min-width:660px}.df-tier th{background:#0c0a09;color:#a8a29e;font-size:.74em;text-transform:uppercase;letter-spacing:.6px;padding:12px 14px;text-align:left;border-bottom:1px solid #44403c;font-weight:700}.df-tier th.on{background:#001264;color:#99abff}.df-tier td{padding:11px 14px;border-bottom:1px solid #292524;color:#a8a29e;font-size:.88em;vertical-align:top;line-height:1.55}.df-tier td.a{color:#d6d3d1;font-weight:700;background:#1c1917;width:19%}.df-tier td.on{background:rgba(91,120,255,.10);color:#d6d3d1}.df-tier tr:last-child td{border-bottom:none}@media(max-width:600px){.df-hero h2{font-size:1.7em}.df-section,.df-enc,.df-cta,.df-hero{padding-left:20px;padding-right:20px}}\u003c\/style\u003e\n\u003cdiv class=\"df-wrap\"\u003e\n\n\u003cdiv class=\"df-hero\"\u003e\n  \u003ch2\u003eProfessional Series Sealed 12\" Enclosure | Image Dynamics IDMAX12 V4\u003c\/h2\u003e\n  \u003cp\u003eThe IDMAX12 V4 shares the IDMAX10's tight suspension and heavy motor, scaled up, and Image Dynamics again recommend a sealed box over a ported one. This cabinet holds 1.10 cubic feet net, landing the D2 coil at a Qtc of 1.15 and an Fc of 47.4 Hz. It is the single-driver sealed box in the professional Image Dynamics line sized for the larger frame.\u003c\/p\u003e\n  \u003cdiv class=\"df-badges\"\u003e\n    \u003cspan class=\"df-badge\"\u003eSealed\u003c\/span\u003e\n    \u003cspan class=\"df-badge\"\u003eQtc 1.15\u003c\/span\u003e\n    \u003cspan class=\"df-badge\"\u003eF3 35.3 Hz\u003c\/span\u003e\n    \u003cspan class=\"df-badge\"\u003eCut for the Image Dynamics IDMAX12 V4\u003c\/span\u003e\n    \u003cspan class=\"df-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"df-section\"\u003e\n  \u003ch3\u003eWhy this driver is sealed\u003c\/h3\u003e\n  \u003cp\u003eThe IDMAX12 V4 shares the IDMAX10's tight suspension and heavy motor, scaled up, and Image Dynamics again recommend a sealed box over a ported one. This cabinet holds 1.10 cubic feet net, landing the D2 coil at a Qtc of 1.15 and an Fc of 47.4 Hz. It is the single-driver sealed box in the professional Image Dynamics line sized for the larger frame.\u003c\/p\u003e\n  \u003cp\u003eA Qtc of 1.15 sits a step above the IDMAX10's 1.01: a punchy sealed box with about 2 dB of lift near Fc rather than a deep-reaching one. Image Dynamics' own manual lists three sealed volumes for the IDMAX12, a Compact box at 44 Hz, a Universal box at 40 Hz, and an Audiophile box at 37 Hz, all gross including the driver's displacement. This cabinet's 1.10 cubic feet net works out to about one and a quarter cubic feet gross, close to their Universal figure. F3 on this box comes out to 35.3 Hz.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"df-section\"\u003e\n  \u003ch3\u003eThe alignment\u003c\/h3\u003e\n  \u003cp\u003e1.100 cu ft net at Qtc 1.15, Fc 47.4 Hz, F3 35.3 Hz.\u003c\/p\u003e\n  \u003cp\u003ePolyfill is included, sized to the chamber. It is part of the alignment above, not packing material, so it\n  should not be removed.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"df-section\"\u003e\n  \u003ch3\u003eThe cabinet\u003c\/h3\u003e\n  \u003cp\u003e24.00\" W x 14.00\" H x 10.00\" D external. It ships as a UPS parcel; the price includes shipping in the 48 states.\u003c\/p\u003e\n  \u003cp\u003eThis is our single-twelve sealed envelope for one IDMAX12, sized to the driver's larger frame and motor depth.\u003c\/p\u003e\n  \u003cp\u003eT\/S for the IDMAX12 D2 come from loudspeakerdatabase.com's mirror of Image Dynamics' own coil-specific publication; Vas here is derived from the other T\/S rather than a number Image Dynamics print directly. Scott's Q2 catalog sheet lists this cabinet at 23 by 14 by 10 inches; the store's 24 by 14 by 10 is what actually shipped and is the figure used here. Image Dynamics recommend a sealed box for the IDMAX12, and this cabinet is exactly that.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":43152031055961,"sku":"Pro12-S IDMAX","price":280.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-image-dynamics-idmax-12-sealed-subwoofer-enclosure-professional-seriessubwoofer-enclosuresproline-x-8379089.webp?v=1773729547"},{"product_id":"proline-x-sealed-12-enclosure-loaded-image-dynamics-idmax-12","title":"Proline-X Sealed 12\" Enclosure – Loaded with Image Dynamics IDMAX 12","description":"\u003cstyle\u003e\n.pl-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#cbd5e1;max-width:1100px;margin:0 auto;background:#020617;}\n.pl-wrap *{box-sizing:border-box;}\n.pl-hero{background:linear-gradient(135deg,#020617 0%,#2e1065 100%);padding:54px 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h2{font-size:1.7em;}.pl-section,.pl-enc,.pl-cta,.pl-hero{padding-left:20px;padding-right:20px;}}\n\u003c\/style\u003e\n\u003cdiv class=\"pl-wrap\"\u003e\n\n\u003cdiv class=\"pl-hero\"\u003e\n\u003ch2\u003eProline X Professional Series Enclosure for the Image Dynamics IDMAX12 V4\u003c\/h2\u003e\n\u003cp\u003eCut and tuned for the Image Dynamics IDMAX12 V4\u003c\/p\u003e\n\u003cdiv class=\"pl-badges\"\u003e\n\u003cspan class=\"pl-badge\"\u003eV-Groove and Dado\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e1.10 cu ft Net\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eFits Image Dynamics IDMAX12 V4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-stats\"\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e1.10\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e1.139\u003c\/span\u003e\u003cspan class=\"l\"\u003esystem Qtc\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e35 Hz\u003c\/span\u003e\u003cspan class=\"l\"\u003eF3 rolloff\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e8.15 in\u003c\/span\u003e\u003cspan class=\"l\"\u003eIDMAX12 V4 mounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eBuilt Around the Image Dynamics IDMAX12 V4\u003c\/h3\u003e\n\u003cp\u003eNothing about this box is generic. Every layer is cut to the IDMAX12 V4's published sealed target, with the baffle bored to the IDMAX12 V4's 11.0 in cutout with threaded inserts matched to the driver's bolt pattern, and clearance cut for its 8.15 in mounting depth.\u003c\/p\u003e\n\u003cp\u003eThe IDMAX12 V4 carries a published \u003cstrong\u003eFs of 26 Hz, Qts of 0.626 and Vas of 71.89 litres\u003c\/strong\u003e, and an EBP of 36, which puts it in sealed enclosure territory. We ran the alignment math on that data and built the box to land where it belongs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eNet Volume, Not Gross\u003c\/h3\u003e\n\u003cp\u003eWe build this cabinet at \u003cstrong\u003e1.10 cubic feet net\u003c\/strong\u003e. The volume quoted is true net internal airspace, measured after the walls, bracing and driver displacement are accounted for.\u003c\/p\u003e\n\u003cdiv class=\"pl-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated by summing\neach CNC cut layer's opening, not estimated from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eProline X Professional Series Construction\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is cut with V-groove and dado joinery on our ShopSabre routers from Langboard Elite 3\/4 inch MDF,\na dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE.\nThe panels are V-grooved and folded on the seam and dadoed where the bracing lands. Baffles are double layer minimum, with threaded inserts set to the driver's own bolt pattern.\u003c\/p\u003e\n\u003cdiv class=\"pl-grid\"\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDouble Layer Baffle\u003c\/h4\u003e\n\u003cp\u003eThe baffle is two layers minimum with threaded inserts matched to the driver's own bolt pattern, so mounting hardware loads into steel rather than into MDF.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired internally with \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. No CCA anywhere in the build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDamped and Finished\u003c\/h4\u003e\n\u003cp\u003ePolyfill is pre-installed to smooth the in box response, and the shell is wrapped in plush black carpet. Built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eEnclosure Only or Loaded\u003c\/h3\u003e\n\u003cp\u003eOrder the enclosure bare and mount your own IDMAX12 V4, or order it loaded and we mount the driver, dress the wiring and ship it ready to bolt in.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated\u003c\/h3\u003e\n\u003cp\u003eUsing the published Thiele Small parameters for the Image Dynamics IDMAX12 V4, here is the predicted Qtc,\nsystem resonance (Fc) and F3 rolloff for this enclosure. Calculated with the same formulas\nas the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\n\u003cdiv class=\"pl-enc-card\"\u003e\n\u003cdiv class=\"pl-enc-head\"\u003eImage Dynamics IDMAX12 V4 D2  |  Qts 0.626  |  Fs 26 Hz  |  Vas 71.89 L\u003c\/div\u003e\n\u003ctable class=\"pl-enc-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Size\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pl-opt\"\u003e\n\u003ctd\u003e1.10 cu ft \u003cspan class=\"pl-char\"\u003eas built\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.139\u003c\/td\u003e\n\u003ctd\u003e47.3 Hz\u003c\/td\u003e\n\u003ctd\u003e35.4 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-graph\"\u003e\n\u003cp class=\"pl-graph-title\"\u003eImage Dynamics IDMAX12 V4 Frequency Response | Sealed, 1.10 cu ft\u003c\/p\u003e\n\u003csvg viewbox=\"0 0 680 300\" 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class=\"pl-note\"\u003e\n\u003cp\u003e\u003cstrong style=\"color:#a78bfa;\"\u003eNote on coil choice:\u003c\/strong\u003e The figures above are the D2 set. The D4 IDMAX12 V4 carries Qts 0.758 and Vas 62.44 litres, which in this same 1.10 cubic foot volume lands at \u003cstrong\u003eQtc 1.314, Fc 45.1 Hz and F3 32.4 Hz\u003c\/strong\u003e. Worth accounting for if you are choosing between the two. \u003ca class=\"pl-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eSelect your configuration above. This enclosure ships free to the lower 48 with a 2 year limited warranty, built one at a time in Tullahoma, Tennessee. Ordered loaded, the IDMAX12 V4 carries its own 1 year manufacturer warranty through authorized dealers.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Dual 2 Ohm","offer_id":42101816655961,"sku":"Pro12-S IDMAX D2","price":799.99,"currency_code":"USD","in_stock":true},{"title":"Dual 4 Ohm","offer_id":42101816688729,"sku":"Pro12-S IDMAX D4","price":799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/image-dynamics-idmax-12-loaded-subwoofer-enclosure-sealedsubwoofer-enclosuresproline-x-469164.jpg?v=1761970369"},{"product_id":"proline-x-sealed-10-enclosure-loaded-image-dynamics-idmax-10","title":"Proline-X Sealed 10\" Enclosure – Loaded with Image Dynamics IDMAX 10","description":"\u003cstyle\u003e\n.pl-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#cbd5e1;max-width:1100px;margin:0 auto;background:#020617;}\n.pl-wrap 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h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0;}\n.pl-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#cbd5e1;}\n@media(max-width:600px){.pl-hero h2{font-size:1.7em;}.pl-section,.pl-enc,.pl-cta,.pl-hero{padding-left:20px;padding-right:20px;}}\n\u003c\/style\u003e\n\u003cdiv class=\"pl-wrap\"\u003e\n\n\u003cdiv class=\"pl-hero\"\u003e\n\u003ch2\u003eProline X Professional Series Enclosure for the Image Dynamics IDMAX10 V4\u003c\/h2\u003e\n\u003cp\u003eCut and tuned for the Image Dynamics IDMAX10 V4\u003c\/p\u003e\n\u003cdiv class=\"pl-badges\"\u003e\n\u003cspan class=\"pl-badge\"\u003eV-Groove and Dado\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e0.75 cu ft Net\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eFits Image Dynamics IDMAX10 V4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-stats\"\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.75\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e1.010\u003c\/span\u003e\u003cspan class=\"l\"\u003esystem Qtc\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e35 Hz\u003c\/span\u003e\u003cspan class=\"l\"\u003eF3 rolloff\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e7.68 in\u003c\/span\u003e\u003cspan class=\"l\"\u003eIDMAX10 V4 mounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eBuilt Around the Image Dynamics IDMAX10 V4\u003c\/h3\u003e\n\u003cp\u003eNothing about this box is generic. Every layer is cut to the IDMAX10 V4's published sealed target, with the baffle bored to the IDMAX10 V4's 9.625 in cutout with threaded inserts matched to the driver's bolt pattern, and clearance cut for its 7.68 in mounting depth.\u003c\/p\u003e\n\u003cp\u003eThe IDMAX10 V4 carries a published \u003cstrong\u003eFs of 27 Hz, Qts of 0.609 and Vas of 37.18 litres\u003c\/strong\u003e, and an EBP of 38, which puts it in sealed enclosure territory. We ran the alignment math on that data and built the box to land where it belongs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eNet Volume, Not Gross\u003c\/h3\u003e\n\u003cp\u003eWe build this cabinet at \u003cstrong\u003e0.75 cubic feet net\u003c\/strong\u003e. The volume quoted is true net internal airspace, measured after the walls, bracing and driver displacement are accounted for.\u003c\/p\u003e\n\u003cdiv class=\"pl-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated by summing\neach CNC cut layer's opening, not estimated from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eProline X Professional Series Construction\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is cut with V-groove and dado joinery on our ShopSabre routers from Langboard Elite 3\/4 inch MDF,\na dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE.\nThe panels are V-grooved and folded on the seam and dadoed where the bracing lands. Baffles are double layer minimum, with threaded inserts set to the driver's own bolt pattern.\u003c\/p\u003e\n\u003cdiv class=\"pl-grid\"\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDouble Layer Baffle\u003c\/h4\u003e\n\u003cp\u003eThe baffle is two layers minimum with threaded inserts matched to the driver's own bolt pattern, so mounting hardware loads into steel rather than into MDF.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired internally with \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. No CCA anywhere in the build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDamped and Finished\u003c\/h4\u003e\n\u003cp\u003ePolyfill is pre-installed to smooth the in box response, and the shell is wrapped in plush black carpet. Built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eEnclosure Only or Loaded\u003c\/h3\u003e\n\u003cp\u003eOrder the enclosure bare and mount your own IDMAX10 V4, or order it loaded and we mount the driver, dress the wiring and ship it ready to bolt in.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated\u003c\/h3\u003e\n\u003cp\u003eUsing the published Thiele Small parameters for the Image Dynamics IDMAX10 V4, here is the predicted Qtc,\nsystem resonance (Fc) and F3 rolloff for this enclosure. Calculated with the same formulas\nas the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\n\u003cdiv class=\"pl-enc-card\"\u003e\n\u003cdiv class=\"pl-enc-head\"\u003eImage Dynamics IDMAX10 V4 D2  |  Qts 0.609  |  Fs 27 Hz  |  Vas 37.18 L\u003c\/div\u003e\n\u003ctable class=\"pl-enc-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Size\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pl-opt\"\u003e\n\u003ctd\u003e0.75 cu ft \u003cspan class=\"pl-char\"\u003eas built\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.010\u003c\/td\u003e\n\u003ctd\u003e44.8 Hz\u003c\/td\u003e\n\u003ctd\u003e35.0 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-graph\"\u003e\n\u003cp class=\"pl-graph-title\"\u003eImage Dynamics IDMAX10 V4 Frequency Response | Sealed, 0.75 cu ft\u003c\/p\u003e\n\u003csvg viewbox=\"0 0 680 300\" 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opacity=\"0.85\"\u003e\u003c\/line\u003e\n\u003ctext x=\"660\" y=\"112.6\" text-anchor=\"end\" font-size=\"10\" fill=\"#a78bfa\" font-family=\"Arial, sans-serif\"\u003e-3dB\u003c\/text\u003e\n\u003cline x1=\"42.0\" x2=\"42.0\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"42.0\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e20Hz\u003c\/text\u003e\n\u003cline x1=\"135.1\" x2=\"135.1\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"135.1\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e30Hz\u003c\/text\u003e\n\u003cline x1=\"252.5\" x2=\"252.5\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"252.5\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, 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587.3,63.6 589.4,63.7 591.4,63.7 593.5,63.8 595.6,63.8 597.7,63.9 599.7,63.9 601.8,64.0 603.9,64.0 605.9,64.1 608.0,64.1 610.1,64.2 612.2,64.2 614.2,64.3 616.3,64.3 618.4,64.4 620.5,64.4 622.5,64.4 624.6,64.5 626.7,64.5 628.8,64.6 630.8,64.6 632.9,64.6 635.0,64.7 637.0,64.7 639.1,64.8 641.2,64.8 643.3,64.8 645.3,64.9 647.4,64.9 649.5,64.9 651.6,65.0 653.6,65.0 655.7,65.0 657.8,65.1 659.9,65.1 661.9,65.1 664.0,65.1\" fill=\"none\" stroke=\"#a78bfa\" stroke-width=\"2.4\" stroke-linejoin=\"round\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n\u003cdiv class=\"pl-legend\"\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#a78bfa;\"\u003e\u003c\/span\u003e0.75 cu ft (Qtc 1.010)\u003c\/span\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#8b5cf6;\"\u003e\u003c\/span\u003e-3dB reference\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-note\"\u003e\n\u003cp\u003e\u003cstrong style=\"color:#a78bfa;\"\u003eNote on coil choice:\u003c\/strong\u003e The figures above are the D2 set. The D4 IDMAX10 V4 carries Qts 0.661 and Vas 31.97 litres, which in this same 0.75 cubic foot volume lands at \u003cstrong\u003eQtc 1.046, Fc 42.7 Hz and F3 33.0 Hz\u003c\/strong\u003e. Close enough that either coil suits the box. \u003ca class=\"pl-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eSelect your configuration above. This enclosure ships free to the lower 48 with a 2 year limited warranty, built one at a time in Tullahoma, Tennessee. Ordered loaded, the IDMAX10 V4 carries its own 1 year manufacturer warranty through authorized dealers.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Dual 2 Ohm","offer_id":42104294178905,"sku":"Pro10-S IDMAX D2","price":699.99,"currency_code":"USD","in_stock":false},{"title":"Dual 4 Ohm","offer_id":42104294211673,"sku":"Pro10-S IDMAX D4","price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/image-dynamics-idmax-10-loaded-subwoofer-enclosure-sealedsubwoofer-enclosuresproline-x-285103.jpg?v=1761970370"},{"product_id":"2024-2025-ford-f150-direct-fit-subwoofer-enclosure","title":"F-150\/F-250\/F-350 Behind Seat Single 10\" (2024-2026) Behind-Seat Subwoofer Enclosure","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/2024_Ford_Tremor_f150outside_4da563e7-f5fd-4a63-8fed-1a76c3b48ce4_480x480.jpg?v=1738445466\" style=\"margin-right: 20px; margin-bottom: 16px; float: left;\"\u003e\u003c\/div\u003e\n\u003ch2\u003e\n\u003cstrong\u003eUpgrade Your 2024+ Ford F-150, F-250 or F-350 with a True Direct-Fit Subwoofer Enclosure.\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003eFord’s 2024+ F-150 models feature redesigned factory amplifier and subwoofer locations, making traditional enclosures incompatible. The same enclosure fits the 2024+ F-250 and F-350 Super Duty. Our \u003cstrong\u003eDirect Fit Ford Series Behind Seat Enclosure\u003c\/strong\u003e is engineered to seamlessly integrate with these changes, providing a \u003cstrong\u003etrue plug-and-play solution\u003c\/strong\u003e with \u003cstrong\u003eminimal modifications required\u003c\/strong\u003e. Featuring a \u003cstrong\u003e.6 cubic foot sealed design\u003c\/strong\u003e, this enclosure is a \u003cstrong\u003ehuge upgrade over OEM\u003c\/strong\u003e, delivering \u003cstrong\u003ecleaner, deeper bass\u003c\/strong\u003e in a compact package. Backed by a \u003cstrong\u003e2-year warranty\u003c\/strong\u003e, this premium enclosure ensures long-term durability and compatibility with a growing list of subwoofers.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDesigned for Seamless Fitment, No Guesswork, No Hassle\u003c\/h3\u003e\n\u003cp\u003eThe 2024+ Ford F-150 introduced new factory amplifier and subwoofer placements (if equipped), making it challenging to find a direct-fit enclosure. Our subwoofer box is engineered with \u003cstrong\u003eprecision-matched dimensions\u003c\/strong\u003e, ensuring it \u003cstrong\u003efits securely behind the seat\u003c\/strong\u003e while maintaining the full functionality of your truck’s interior. Installation is \u003cstrong\u003estraightforward\u003c\/strong\u003e, requiring no permanent modifications. Just bolt it in and enjoy enhanced bass performance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eOEM Falls Short: This is the Upgrade You Need\u003c\/h3\u003e\n\u003cp\u003eFactory subwoofers often lack the depth and power true audio enthusiasts demand. Our \u003cstrong\u003e.6 cubic foot sealed enclosure\u003c\/strong\u003e is tuned for \u003cstrong\u003etight, punchy bass\u003c\/strong\u003e, allowing your aftermarket subwoofer to perform at its best. Unlike OEM enclosures, which prioritize space over sound quality, this upgrade is \u003cstrong\u003ebuilt for performance\u003c\/strong\u003e, providing richer low frequencies that transform your in-cabin audio experience.\u003c\/p\u003e\n\u003ch2\u003eTop 10 Features of the 2024-2026 Ford F-150, F-250 and F-350 Behind-Seat Subwoofer Enclosure\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom-Fit for 2024+ Ford F-150, F-250 and F-350\u003c\/strong\u003e – Explicitly designed to fit behind the rear seat without requiring modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximized Bass Performance\u003c\/strong\u003e – Engineered to enhance low-frequency response for deep, accurate bass reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-Saving Design\u003c\/strong\u003e – Installs discreetly behind the seat, preserving legroom and cargo space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium MDF Construction\u003c\/strong\u003e – Built with high-density MDF for durability and optimal acoustic performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealed Enclosure for Tight Bass\u003c\/strong\u003e – The sealed design ensures accurate, distortion-free bass response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Like Integration\u003c\/strong\u003e – Blends seamlessly with the factory interior for a clean, professional look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation\u003c\/strong\u003e – Pre-drilled mounting points and precise cutouts simplify woofer installation with minimal effort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Subwoofer Compatibility\u003c\/strong\u003e – Supports various 10-inch shallow mount subwoofer models for customization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-Effective Audio Upgrade\u003c\/strong\u003e – Delivers superior bass performance at a fraction of the cost of high-end custom installs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Longevity\u003c\/strong\u003e – Reinforced panels and high-quality materials ensure years of reliable use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLooking for a different \u003ca href=\"https:\/\/audiointensity.com\/collections\/ford-f150-subwoofer-box\" title=\"Ford F150 Subwoofer Box\"\u003eFord F150 Subwoofer Box\u003c\/a\u003e?\u003c\/p\u003e","brand":"Proline X","offers":[{"title":"JL 10TW3","offer_id":42163831734361,"sku":"VS FD2 10-S JL","price":399.99,"currency_code":"USD","in_stock":false},{"title":"Alpine RS-W10D","offer_id":42163831767129,"sku":"VS FD2 10-S Alpine RS-W10D","price":399.99,"currency_code":"USD","in_stock":true},{"title":"Kicker Comp RT10","offer_id":42163831799897,"sku":"VS FD2 10-S Kicker Comp RT10","price":399.99,"currency_code":"USD","in_stock":true},{"title":"Hertz MPS 250","offer_id":42163831832665,"sku":"VS FD2 10-S Hertz MPS 250","price":399.99,"currency_code":"USD","in_stock":true},{"title":"RF P3SD2-10","offer_id":42163832488025,"sku":"VS FD2 10-S RF P3SD2-10","price":399.99,"currency_code":"USD","in_stock":true},{"title":"Trulli TD 10S","offer_id":42163832815705,"sku":"VS FD2 10-S Trulli TD 10S","price":429.99,"currency_code":"USD","in_stock":true},{"title":"Stereo Integrity BM-11","offer_id":42163833405529,"sku":"VS FD2 10-S Stereo Integrity BM-11","price":429.99,"currency_code":"USD","in_stock":true},{"title":"Wavtech thinPRO12","offer_id":42163835175001,"sku":"VS FD2 12-S Wavtech thinPRO12-4","price":449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/2024-ford-f-150-behind-seat-subwoofer-boxsubwoofer-enclosuresproline-x-560697.jpg?v=1761970390"},{"product_id":"2015-2023-ford-f150-f250-behind-seat-single-10-enclosure-loaded-jl-audio-10tw3-d4","title":"2015-2023 Ford F-150\/F-250 Behind-Seat Single 10\" Enclosure – Loaded with JL Audio 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h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0;}\n.pl-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#cbd5e1;}\n@media(max-width:600px){.pl-hero h2{font-size:1.7em;}.pl-section,.pl-enc,.pl-cta,.pl-hero{padding-left:20px;padding-right:20px;}}\n\u003c\/style\u003e\n\u003cdiv class=\"pl-wrap\"\u003e\n\n\u003cdiv class=\"pl-hero\"\u003e\n\u003ch2\u003eProline X Vehicle Specific Series Enclosure for the JL Audio 10TW3-D4\u003c\/h2\u003e\n\u003cp\u003eCut and tuned for the JL Audio 10TW3-D4, built to drop into the 2015-2023 F-150, 2017-2023 F-250\u003c\/p\u003e\n\u003cdiv class=\"pl-badges\"\u003e\n\u003cspan class=\"pl-badge\"\u003eCNC Stack-Fab\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e0.50 cu ft Net\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eFits JL Audio 10TW3-D4\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e2015-2023 F-150, 2017-2023 F-250\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-stats\"\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.50\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.960\u003c\/span\u003e\u003cspan class=\"l\"\u003esystem Qtc\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e40 Hz\u003c\/span\u003e\u003cspan class=\"l\"\u003eF3 rolloff\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e3.25 in\u003c\/span\u003e\u003cspan class=\"l\"\u003e10TW3-D4 mounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eBuilt Around the JL Audio 10TW3-D4\u003c\/h3\u003e\n\u003cp\u003eNothing about this box is generic. Every layer is cut to the 10TW3-D4's published sealed target, with the baffle bored to the 10TW3-D4's 9.625 in cutout with 8\/32 threaded inserts set on the back face, and clearance cut for its 3.25 in mounting depth.\u003c\/p\u003e\n\u003cp\u003eThe 10TW3-D4 carries a published \u003cstrong\u003eFs of 32.3 Hz, Qts of 0.62 and Vas of 19.82 litres\u003c\/strong\u003e, and an EBP of 49, which puts it in sealed enclosure territory. We ran the alignment math on that data and built the box to land where it belongs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eNet Volume, Not Gross\u003c\/h3\u003e\n\u003cp\u003eWe build this cabinet at \u003cstrong\u003e0.50 cubic feet net\u003c\/strong\u003e, against a published recommendation of 0.50 cu ft. The volume quoted is true net internal airspace, measured after the walls, bracing and driver displacement are accounted for.\u003c\/p\u003e\n\u003cdiv class=\"pl-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated by summing\neach CNC cut layer's opening, not estimated from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eProline X Vehicle Specific Series Construction\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is stack fabricated on our ShopSabre routers from Langboard Elite 3\/4 inch MDF,\na dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE.\nEach layer is cut to the cab profile and the stack does the joining. Dowel reinforcement runs between layers as tension hardware only, which is what lets the shell follow a behind seat contour without a corner joint in it.\u003c\/p\u003e\n\u003cdiv class=\"pl-grid\"\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eThreaded Inserts, Not Wood Screws\u003c\/h4\u003e\n\u003cp\u003e8\/32 threaded inserts are set on the backside of the baffle so the driver mounts on machine screws. Pull it a dozen times and the threads are still there.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired internally with \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. No CCA anywhere in the build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDamped and Finished\u003c\/h4\u003e\n\u003cp\u003ePolyfill is pre-installed to smooth the in box response, and the shell is wrapped in plush black carpet. Built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eEnclosure Only or Loaded\u003c\/h3\u003e\n\u003cp\u003eOrder the enclosure bare and mount your own 10TW3-D4, or order it loaded and we mount the driver, dress the wiring and ship it ready to bolt in.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated\u003c\/h3\u003e\n\u003cp\u003eUsing the published Thiele Small parameters for the JL Audio 10TW3-D4, here is the predicted Qtc,\nsystem resonance (Fc) and F3 rolloff for this enclosure. Calculated with the same formulas\nas the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\n\u003cdiv class=\"pl-enc-card\"\u003e\n\u003cdiv class=\"pl-enc-head\"\u003eJL Audio 10TW3-D4 D2  |  Qts 0.62  |  Fs 32.3 Hz  |  Vas 19.82 L\u003c\/div\u003e\n\u003ctable class=\"pl-enc-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Size\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pl-opt\"\u003e\n\u003ctd\u003e0.50 cu ft \u003cspan class=\"pl-char\"\u003eas built\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.960\u003c\/td\u003e\n\u003ctd\u003e50.0 Hz\u003c\/td\u003e\n\u003ctd\u003e40.1 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-graph\"\u003e\n\u003cp class=\"pl-graph-title\"\u003eJL Audio 10TW3-D4 Frequency Response | Sealed, 0.50 cu ft\u003c\/p\u003e\n\u003csvg viewbox=\"0 0 680 300\" 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class=\"pl-note\"\u003e\n\u003cp\u003e\u003cstrong style=\"color:#a78bfa;\"\u003eNote on coil choice:\u003c\/strong\u003e This alignment is calculated from the published T\/S for the 10TW3-D4 in the D2 parallel set. The D4 variant carries slightly different Qts and Vas figures and will land a marginally different sealed alignment. \u003ca class=\"pl-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eSelect your configuration above. This enclosure ships free to the lower 48 with a 2 year limited warranty, built one at a time in Tullahoma, Tennessee. Ordered loaded, the 10TW3-D4 carries its own 1 year manufacturer warranty through authorized dealers.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":42164585857113,"sku":"VS FD1 10-S JL 10TW3 D4","price":999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/2015-2023-ford-f-150-2017-2023-f-250-direct-fit-ford-series-loaded-subwoofer-enclosure-jl-audio-10tw3proline-x-126818.jpg?v=1761970383"},{"product_id":"2015-2023-ford-f150-f250-behind-seat-single-10-enclosure-loaded-audiomobile-evo-2410","title":"2015-2023 Ford F-150\/F-250 Behind-Seat Single 10\" Enclosure – Loaded with Audiomobile Evo 2410","description":"\u003cp\u003eUpgrade your \u003cstrong\u003eFord F-150 (2015-2023) or F-250 (2017-2023)\u003c\/strong\u003e with this \u003ca href=\"https:\/\/audiointensity.com\/collections\/ford-f150-subwoofer-box\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eDirect Fit Ford Series Loaded Subwoofer Enclosure\u003c\/strong\u003e\u003c\/a\u003e, preloaded with the \u003cstrong\u003eAudiomobile Evo 2410\u003c\/strong\u003e subwoofer. Engineered for \u003cstrong\u003etight, impactful bass\u003c\/strong\u003e, this setup delivers \u003cstrong\u003eaudiophile-grade sound while maintaining a factory-like integration\u003c\/strong\u003e behind the rear seat.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eAudiomobile Evo 2410\u003c\/strong\u003e is designed for \u003cstrong\u003ehigh-output performance in compact enclosures\u003c\/strong\u003e, making it the perfect match for this \u003cstrong\u003e.5 cubic foot sealed design\u003c\/strong\u003e. With \u003cstrong\u003edeep low-frequency response, excellent efficiency, and a shallow mounting depth\u003c\/strong\u003e, this subwoofer brings \u003cstrong\u003eexceptional bass clarity and punch without taking up valuable space\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eBuilt from \u003cstrong\u003epremium MDF\u003c\/strong\u003e with \u003cstrong\u003eprecise internal bracing\u003c\/strong\u003e, the enclosure ensures \u003cstrong\u003eresonance-free bass reproduction\u003c\/strong\u003e while maximizing subwoofer efficiency. Pre-wired and \u003cstrong\u003eready for installation\u003c\/strong\u003e, this package offers \u003cstrong\u003ea hassle-free upgrade for Ford truck owners who demand premium audio performance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eCustom-fit for 2015-2023 Ford F-150 \u0026amp; 2017-2023 Ford F-250\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePreloaded with the Audiomobile Evo 2410 D4 10-inch subwoofer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOptimized sealed design (.5 cubic feet) for accurate, controlled bass\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShallow-mount subwoofer\u003c\/strong\u003e for factory-like integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable MDF construction\u003c\/strong\u003e with a premium carpeted finish\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePre-wired and ready for quick installation\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBring powerful, precision-tuned bass to your Ford truck with this preloaded Audiomobile Evo 2410 enclosure!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eLooking for more output in the same location? \u003ca href=\"https:\/\/audiointensity.com\/products\/2015-2023-ford-f150-2017-2023-f250-direct-fit-subwoofer-enclosure-pr-edition\"\u003eSee our PR upgrade version\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eHave a newer Ford Truck? \u003ca href=\"https:\/\/audiointensity.com\/products\/2024-2025-ford-f150-direct-fit-subwoofer-enclosure\" title=\"2024-2025 Ford F-150 \u0026amp; F-250 Direct Fit Behind-Seat Subwoofer Enclosure\"\u003eSee our 2024-2025 Ford F-150 \u0026amp; F-250 Direct Fit version.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan style=\"color: #ff2a00;\"\u003e \u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":42164611055705,"sku":"VS FD1 10-S Evo 10 D4","price":999.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/2015-2023-ford-f-150-2017-2023-f-250-direct-fit-ford-series-loaded-subwoofer-enclosure-audiomobile-evo-2410proline-x-606532.jpg?v=1761970385"},{"product_id":"2015-2023-ford-f150-f250-behind-seat-single-10-enclosure-loaded-kicker-comprt-10","title":"2015-2023 Ford F-150\/F-250 Behind-Seat Single 10\" Enclosure – Loaded with Kicker CompRT 10","description":"\u003cstyle\u003e\n.pl-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#cbd5e1;max-width:1100px;margin:0 auto;background:#020617;}\n.pl-wrap 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h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0;}\n.pl-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#cbd5e1;}\n@media(max-width:600px){.pl-hero h2{font-size:1.7em;}.pl-section,.pl-enc,.pl-cta,.pl-hero{padding-left:20px;padding-right:20px;}}\n\u003c\/style\u003e\n\u003cdiv class=\"pl-wrap\"\u003e\n\n\u003cdiv class=\"pl-hero\"\u003e\n\u003ch2\u003eProline X Vehicle Specific Series Enclosure for the Kicker CompRT 10\u003c\/h2\u003e\n\u003cp\u003eCut and tuned for the Kicker CompRT 10, built to drop into the 2015-2023 F-150, 2017-2023 F-250\u003c\/p\u003e\n\u003cdiv class=\"pl-badges\"\u003e\n\u003cspan class=\"pl-badge\"\u003eCNC Stack-Fab\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e0.50 cu ft Net\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eFits Kicker CompRT 10\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e2015-2023 F-150, 2017-2023 F-250\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-stats\"\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.50\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.910\u003c\/span\u003e\u003cspan class=\"l\"\u003esystem Qtc\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e44 Hz\u003c\/span\u003e\u003cspan class=\"l\"\u003eF3 rolloff\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e3.4375 in\u003c\/span\u003e\u003cspan class=\"l\"\u003eCompRT 10 mounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eBuilt Around the Kicker CompRT 10\u003c\/h3\u003e\n\u003cp\u003eNothing about this box is generic. Every layer is cut to the CompRT 10's published sealed target, with the baffle bored to the CompRT 10's 9.125 in cutout with 8\/32 threaded inserts set on the back face, and clearance cut for its 3.4375 in mounting depth.\u003c\/p\u003e\n\u003cp\u003eThe CompRT 10 carries a published \u003cstrong\u003eFs of 28.7 Hz, Qts of 0.486 and Vas of 35.36 litres\u003c\/strong\u003e, and an EBP of 57, which puts it in transition enclosure territory. We ran the alignment math on that data and built the box to land where it belongs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eNet Volume, Not Gross\u003c\/h3\u003e\n\u003cp\u003eWe build this cabinet at \u003cstrong\u003e0.50 cubic feet net\u003c\/strong\u003e, against a published recommendation of 0.4 to 1.25 cu ft. The volume quoted is true net internal airspace, measured after the walls, bracing and driver displacement are accounted for.\u003c\/p\u003e\n\u003cdiv class=\"pl-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated by summing\neach CNC cut layer's opening, not estimated from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eProline X Vehicle Specific Series Construction\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is stack fabricated on our ShopSabre routers from Langboard Elite 3\/4 inch MDF,\na dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE.\nEach layer is cut to the cab profile and the stack does the joining. Dowel reinforcement runs between layers as tension hardware only, which is what lets the shell follow a behind seat contour without a corner joint in it.\u003c\/p\u003e\n\u003cdiv class=\"pl-grid\"\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eThreaded Inserts, Not Wood Screws\u003c\/h4\u003e\n\u003cp\u003e8\/32 threaded inserts are set on the backside of the baffle so the driver mounts on machine screws. Pull it a dozen times and the threads are still there.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired internally with \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. No CCA anywhere in the build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDamped and Finished\u003c\/h4\u003e\n\u003cp\u003ePolyfill is pre-installed to smooth the in box response, and the shell is wrapped in plush black carpet. Built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eEnclosure Only or Loaded\u003c\/h3\u003e\n\u003cp\u003eOrder the enclosure bare and mount your own CompRT 10, or order it loaded and we mount the driver, dress the wiring and ship it ready to bolt in. Loaded builds are available in Dual 2-Ohm (D2) or Dual 4-Ohm (D4), selectable by variant.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated\u003c\/h3\u003e\n\u003cp\u003eUsing the published Thiele Small parameters for the Kicker CompRT 10, here is the predicted Qtc,\nsystem resonance (Fc) and F3 rolloff for this enclosure. Calculated with the same formulas\nas the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\n\u003cdiv class=\"pl-enc-card\"\u003e\n\u003cdiv class=\"pl-enc-head\"\u003eKicker CompRT 10 D2  |  Qts 0.486  |  Fs 28.7 Hz  |  Vas 35.36 L\u003c\/div\u003e\n\u003ctable class=\"pl-enc-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Size\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pl-opt\"\u003e\n\u003ctd\u003e0.50 cu ft \u003cspan class=\"pl-char\"\u003eas built\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.910\u003c\/td\u003e\n\u003ctd\u003e53.7 Hz\u003c\/td\u003e\n\u003ctd\u003e44.2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-graph\"\u003e\n\u003cp class=\"pl-graph-title\"\u003eKicker CompRT 10 Frequency Response | Sealed, 0.50 cu ft\u003c\/p\u003e\n\u003csvg viewbox=\"0 0 680 300\" 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sans-serif\"\u003e50Hz\u003c\/text\u003e\n\u003cline x1=\"411.7\" x2=\"411.7\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"411.7\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e100Hz\u003c\/text\u003e\n\u003cline x1=\"570.9\" x2=\"570.9\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"570.9\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e200Hz\u003c\/text\u003e\n\u003cline x1=\"664.0\" x2=\"664.0\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"664.0\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e300Hz\u003c\/text\u003e\n\u003crect x=\"42\" y=\"16\" width=\"622\" height=\"254\" fill=\"none\" stroke=\"#334155\" 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581.1,63.2 583.1,63.3 585.2,63.3 587.3,63.4 589.4,63.4 591.4,63.5 593.5,63.5 595.6,63.6 597.7,63.7 599.7,63.7 601.8,63.8 603.9,63.8 605.9,63.9 608.0,63.9 610.1,64.0 612.2,64.0 614.2,64.1 616.3,64.1 618.4,64.1 620.5,64.2 622.5,64.2 624.6,64.3 626.7,64.3 628.8,64.4 630.8,64.4 632.9,64.4 635.0,64.5 637.0,64.5 639.1,64.6 641.2,64.6 643.3,64.6 645.3,64.7 647.4,64.7 649.5,64.8 651.6,64.8 653.6,64.8 655.7,64.9 657.8,64.9 659.9,64.9 661.9,65.0 664.0,65.0\" fill=\"none\" stroke=\"#a78bfa\" stroke-width=\"2.4\" stroke-linejoin=\"round\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n\u003cdiv class=\"pl-legend\"\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#a78bfa;\"\u003e\u003c\/span\u003e0.50 cu ft (Qtc 0.910)\u003c\/span\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#8b5cf6;\"\u003e\u003c\/span\u003e-3dB reference\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-note\"\u003e\n\u003cp\u003e\u003cstrong style=\"color:#a78bfa;\"\u003eNote on coil choice:\u003c\/strong\u003e The figures above are the D2 set. The D4 CompRT 10 carries Qts 0.618 and Vas 27.8 litres, and a different Fs of 32.3 Hz, which in this same 0.50 cubic foot volume lands at \u003cstrong\u003eQtc 1.064, Fc 55.6 Hz and F3 42.6 Hz\u003c\/strong\u003e. Worth accounting for if you are choosing between the two. \u003ca class=\"pl-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eSelect your configuration above. This enclosure ships free to the lower 48 with a 2 year limited warranty, built one at a time in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":42164640120921,"sku":"VS FD1 10-S Kicker CompRT 10","price":649.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/2015-2023-ford-f-150-2017-2023-f-250-direct-fit-ford-series-loaded-subwoofer-enclosure-kicker-comprt-10proline-x-182000.webp?v=1761970388"},{"product_id":"2024-2025-ford-f150-f250-behind-seat-single-10-enclosure-loaded-jl-audio-10tw3-d4","title":"2024-2026 Ford F-150\/F-250\/F-350 Behind-Seat Single 10\" Enclosure – Loaded with JL Audio 10TW3","description":"\u003cstyle\u003e\n.pl-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#cbd5e1;max-width:1100px;margin:0 auto;background:#020617;}\n.pl-wrap 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h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0;}\n.pl-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#cbd5e1;}\n@media(max-width:600px){.pl-hero h2{font-size:1.7em;}.pl-section,.pl-enc,.pl-cta,.pl-hero{padding-left:20px;padding-right:20px;}}\n\u003c\/style\u003e\n\u003cdiv class=\"pl-wrap\"\u003e\n\n\u003cdiv class=\"pl-hero\"\u003e\n\u003ch2\u003eProline X Vehicle Specific Series Enclosure for the JL Audio 10TW3-D4\u003c\/h2\u003e\n\u003cp\u003eCut and tuned for the JL Audio 10TW3-D4, built to drop into the 2024-2026 F-150, F-250 and F-350\u003c\/p\u003e\n\u003cdiv class=\"pl-badges\"\u003e\n\u003cspan class=\"pl-badge\"\u003eCNC Stack-Fab\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e0.60 cu ft Net\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eFits JL Audio 10TW3-D4\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e2024-2026 F-150\/250\/350\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-stats\"\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.60\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.913\u003c\/span\u003e\u003cspan class=\"l\"\u003esystem Qtc\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e39 Hz\u003c\/span\u003e\u003cspan class=\"l\"\u003eF3 rolloff\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e3.25 in\u003c\/span\u003e\u003cspan class=\"l\"\u003e10TW3-D4 mounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/2024_Ford_Tremor_f150outside_4da563e7-f5fd-4a63-8fed-1a76c3b48ce4_600x600.jpg?v=1738445466\" style=\"max-width:100%;height:auto;border-radius:8px;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eBuilt Around the JL Audio 10TW3-D4\u003c\/h3\u003e\n\u003cp\u003eNothing about this box is generic. Every layer is cut to the 10TW3-D4's published sealed target, with the baffle bored to the 10TW3-D4's 9.625 in cutout with 8\/32 threaded inserts set on the back face, and clearance cut for its 3.25 in mounting depth.\u003c\/p\u003e\n\u003cp\u003eThe 10TW3-D4 carries a published \u003cstrong\u003eFs of 32.3 Hz, Qts of 0.62 and Vas of 19.82 litres\u003c\/strong\u003e, and an EBP of 49, which puts it in sealed enclosure territory. We ran the alignment math on that data and built the box to land where it belongs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eNet Volume, Not Gross\u003c\/h3\u003e\n\u003cp\u003eWe build this cabinet at \u003cstrong\u003e0.60 cubic feet net\u003c\/strong\u003e, against a published recommendation of 0.50 cu ft. The volume quoted is true net internal airspace, measured after the walls, bracing and driver displacement are accounted for.\u003c\/p\u003e\n\u003cdiv class=\"pl-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated by summing\neach CNC cut layer's opening, not estimated from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eProline X Vehicle Specific Series Construction\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is stack fabricated on our ShopSabre routers from Langboard Elite 3\/4 inch MDF,\na dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE.\nEach layer is cut to the cab profile and the stack does the joining. Dowel reinforcement runs between layers as tension hardware only, which is what lets the shell follow a behind seat contour without a corner joint in it.\u003c\/p\u003e\n\u003cdiv class=\"pl-grid\"\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eThreaded Inserts, Not Wood Screws\u003c\/h4\u003e\n\u003cp\u003e8\/32 threaded inserts are set on the backside of the baffle so the driver mounts on machine screws. Pull it a dozen times and the threads are still there.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired internally with \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. No CCA anywhere in the build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDamped and Finished\u003c\/h4\u003e\n\u003cp\u003ePolyfill is pre-installed to smooth the in box response, and the shell is wrapped in plush black carpet. Built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eEnclosure Only or Loaded\u003c\/h3\u003e\n\u003cp\u003eOrder the enclosure bare and mount your own 10TW3-D4, or order it loaded and we mount the driver, dress the wiring and ship it ready to bolt in.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated\u003c\/h3\u003e\n\u003cp\u003eUsing the published Thiele Small parameters for the JL Audio 10TW3-D4, here is the predicted Qtc,\nsystem resonance (Fc) and F3 rolloff for this enclosure. Calculated with the same formulas\nas the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\n\u003cdiv class=\"pl-enc-card\"\u003e\n\u003cdiv class=\"pl-enc-head\"\u003eJL Audio 10TW3-D4 D2  |  Qts 0.62  |  Fs 32.3 Hz  |  Vas 19.82 L\u003c\/div\u003e\n\u003ctable class=\"pl-enc-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Size\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pl-opt\"\u003e\n\u003ctd\u003e0.60 cu ft \u003cspan class=\"pl-char\"\u003eas built\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.913\u003c\/td\u003e\n\u003ctd\u003e47.5 Hz\u003c\/td\u003e\n\u003ctd\u003e39.1 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-graph\"\u003e\n\u003cp class=\"pl-graph-title\"\u003eJL Audio 10TW3-D4 Frequency Response | Sealed, 0.60 cu ft\u003c\/p\u003e\n\u003csvg viewbox=\"0 0 680 300\" 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sans-serif\"\u003e50Hz\u003c\/text\u003e\n\u003cline x1=\"411.7\" x2=\"411.7\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"411.7\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e100Hz\u003c\/text\u003e\n\u003cline x1=\"570.9\" x2=\"570.9\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"570.9\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e200Hz\u003c\/text\u003e\n\u003cline x1=\"664.0\" x2=\"664.0\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"664.0\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e300Hz\u003c\/text\u003e\n\u003crect x=\"42\" y=\"16\" width=\"622\" height=\"254\" fill=\"none\" stroke=\"#334155\" 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583.1,64.0 585.2,64.0 587.3,64.0 589.4,64.1 591.4,64.1 593.5,64.2 595.6,64.2 597.7,64.3 599.7,64.3 601.8,64.4 603.9,64.4 605.9,64.4 608.0,64.5 610.1,64.5 612.2,64.6 614.2,64.6 616.3,64.6 618.4,64.7 620.5,64.7 622.5,64.7 624.6,64.8 626.7,64.8 628.8,64.9 630.8,64.9 632.9,64.9 635.0,65.0 637.0,65.0 639.1,65.0 641.2,65.0 643.3,65.1 645.3,65.1 647.4,65.1 649.5,65.2 651.6,65.2 653.6,65.2 655.7,65.3 657.8,65.3 659.9,65.3 661.9,65.3 664.0,65.4\" fill=\"none\" stroke=\"#a78bfa\" stroke-width=\"2.4\" stroke-linejoin=\"round\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n\u003cdiv class=\"pl-legend\"\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#a78bfa;\"\u003e\u003c\/span\u003e0.60 cu ft (Qtc 0.913)\u003c\/span\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#8b5cf6;\"\u003e\u003c\/span\u003e-3dB reference\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-note\"\u003e\n\u003cp\u003e\u003cstrong style=\"color:#a78bfa;\"\u003eNote on coil choice:\u003c\/strong\u003e This alignment is calculated from the published T\/S for the 10TW3-D4 in the D2 parallel set. The D4 variant carries slightly different Qts and Vas figures and will land a marginally different sealed alignment. \u003ca class=\"pl-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eSelect your configuration above. This enclosure ships free to the lower 48 with a 2 year limited warranty, built one at a time in Tullahoma, Tennessee. Ordered loaded, the 10TW3-D4 carries its own 1 year manufacturer warranty through authorized dealers.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":42167607197785,"sku":"VS FD2 10-S JL 10TW3 D4","price":949.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/2024-2025-ford-f-150-f-250-direct-fit-ford-series-loaded-subwoofer-enclosure-jl-audio-10tw3-d4subwoofer-enclosuresproline-x-112865.jpg?v=1761970390"},{"product_id":"2024-2025-ford-f150-f250-behind-seat-single-10-enclosure-loaded-kicker-comprt-10","title":"2024-2026 Ford F-150\/F-250\/F-350 Behind-Seat Single 10\" Enclosure – Loaded with Kicker CompRT 10","description":"\u003cstyle\u003e\n.pl-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#cbd5e1;max-width:1100px;margin:0 auto;background:#020617;}\n.pl-wrap 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h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0;}\n.pl-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#cbd5e1;}\n@media(max-width:600px){.pl-hero h2{font-size:1.7em;}.pl-section,.pl-enc,.pl-cta,.pl-hero{padding-left:20px;padding-right:20px;}}\n\u003c\/style\u003e\n\u003cdiv class=\"pl-wrap\"\u003e\n\n\u003cdiv class=\"pl-hero\"\u003e\n\u003ch2\u003eProline X Vehicle Specific Series Enclosure for the Kicker CompRT 10\u003c\/h2\u003e\n\u003cp\u003eCut and tuned for the Kicker CompRT 10, built to drop into the 2024-2026 F-150, F-250 and F-350\u003c\/p\u003e\n\u003cdiv class=\"pl-badges\"\u003e\n\u003cspan class=\"pl-badge\"\u003eCNC Stack-Fab\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e0.60 cu ft Net\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eFits Kicker CompRT 10\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e2024-2026 F-150\/250\/350\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-stats\"\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.60\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.854\u003c\/span\u003e\u003cspan class=\"l\"\u003esystem Qtc\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e43 Hz\u003c\/span\u003e\u003cspan class=\"l\"\u003eF3 rolloff\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e3.4375 in\u003c\/span\u003e\u003cspan class=\"l\"\u003eCompRT 10 mounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003cimg style=\"max-width:100%;height:auto;border-radius:8px;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/2024_Ford_Tremor_f150outside_4da563e7-f5fd-4a63-8fed-1a76c3b48ce4_600x600.jpg?v=1738445466\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eBuilt Around the Kicker CompRT 10\u003c\/h3\u003e\n\u003cp\u003eNothing about this box is generic. Every layer is cut to the CompRT 10's published sealed target, with the baffle bored to the CompRT 10's 9.125 in cutout with 8\/32 threaded inserts set on the back face, and clearance cut for its 3.4375 in mounting depth.\u003c\/p\u003e\n\u003cp\u003eThe CompRT 10 carries a published \u003cstrong\u003eFs of 28.7 Hz, Qts of 0.486 and Vas of 35.36 litres\u003c\/strong\u003e, and an EBP of 57, which puts it in transition enclosure territory. We ran the alignment math on that data and built the box to land where it belongs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eNet Volume, Not Gross\u003c\/h3\u003e\n\u003cp\u003eWe build this cabinet at \u003cstrong\u003e0.60 cubic feet net\u003c\/strong\u003e, against a published recommendation of 0.4 to 1.25 cu ft. The volume quoted is true net internal airspace, measured after the walls, bracing and driver displacement are accounted for.\u003c\/p\u003e\n\u003cdiv class=\"pl-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated by summing\neach CNC cut layer's opening, not estimated from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eProline X Vehicle Specific Series Construction\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is stack fabricated on our ShopSabre routers from Langboard Elite 3\/4 inch MDF,\na dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE.\nEach layer is cut to the cab profile and the stack does the joining. Dowel reinforcement runs between layers as tension hardware only, which is what lets the shell follow a behind seat contour without a corner joint in it.\u003c\/p\u003e\n\u003cdiv class=\"pl-grid\"\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eThreaded Inserts, Not Wood Screws\u003c\/h4\u003e\n\u003cp\u003e8\/32 threaded inserts are set on the backside of the baffle so the driver mounts on machine screws. Pull it a dozen times and the threads are still there.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired internally with \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. No CCA anywhere in the build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDamped and Finished\u003c\/h4\u003e\n\u003cp\u003ePolyfill is pre-installed to smooth the in box response, and the shell is wrapped in plush black carpet. Built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eEnclosure Only or Loaded\u003c\/h3\u003e\n\u003cp\u003eOrder the enclosure bare and mount your own CompRT 10, or order it loaded and we mount the driver, dress the wiring and ship it ready to bolt in. Loaded builds are available in Dual 2-Ohm (D2) or Dual 4-Ohm (D4), selectable by variant.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated\u003c\/h3\u003e\n\u003cp\u003eUsing the published Thiele Small parameters for the Kicker CompRT 10, here is the predicted Qtc,\nsystem resonance (Fc) and F3 rolloff for this enclosure. Calculated with the same formulas\nas the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\n\u003cdiv class=\"pl-enc-card\"\u003e\n\u003cdiv class=\"pl-enc-head\"\u003eKicker CompRT 10 D2  |  Qts 0.486  |  Fs 28.7 Hz  |  Vas 35.36 L\u003c\/div\u003e\n\u003ctable class=\"pl-enc-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Size\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pl-opt\"\u003e\n\u003ctd\u003e0.60 cu ft \u003cspan class=\"pl-char\"\u003eas built\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.854\u003c\/td\u003e\n\u003ctd\u003e50.4 Hz\u003c\/td\u003e\n\u003ctd\u003e43.2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-graph\"\u003e\n\u003cp class=\"pl-graph-title\"\u003eKicker CompRT 10 Frequency Response | Sealed, 0.60 cu ft\u003c\/p\u003e\n\u003csvg viewbox=\"0 0 680 300\" 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392.4,59.2 394.5,59.2 396.5,59.2 398.6,59.2 400.7,59.2 402.8,59.3 404.8,59.3 406.9,59.4 409.0,59.4 411.1,59.4 413.1,59.5 415.2,59.5 417.3,59.6 419.3,59.6 421.4,59.7 423.5,59.7 425.6,59.8 427.6,59.9 429.7,59.9 431.8,60.0 433.9,60.0 435.9,60.1 438.0,60.2 440.1,60.2 442.2,60.3 444.2,60.4 446.3,60.4 448.4,60.5 450.4,60.6 452.5,60.7 454.6,60.7 456.7,60.8 458.7,60.9 460.8,60.9 462.9,61.0 465.0,61.1 467.0,61.1 469.1,61.2 471.2,61.3 473.3,61.4 475.3,61.4 477.4,61.5 479.5,61.6 481.5,61.6 483.6,61.7 485.7,61.8 487.8,61.8 489.8,61.9 491.9,62.0 494.0,62.0 496.1,62.1 498.1,62.2 500.2,62.2 502.3,62.3 504.4,62.4 506.4,62.4 508.5,62.5 510.6,62.6 512.6,62.6 514.7,62.7 516.8,62.8 518.9,62.8 520.9,62.9 523.0,62.9 525.1,63.0 527.2,63.0 529.2,63.1 531.3,63.2 533.4,63.2 535.5,63.3 537.5,63.3 539.6,63.4 541.7,63.4 543.7,63.5 545.8,63.5 547.9,63.6 550.0,63.6 552.0,63.7 554.1,63.7 556.2,63.8 558.3,63.8 560.3,63.9 562.4,63.9 564.5,64.0 566.6,64.0 568.6,64.1 570.7,64.1 572.8,64.2 574.8,64.2 576.9,64.2 579.0,64.3 581.1,64.3 583.1,64.4 585.2,64.4 587.3,64.4 589.4,64.5 591.4,64.5 593.5,64.6 595.6,64.6 597.7,64.6 599.7,64.7 601.8,64.7 603.9,64.7 605.9,64.8 608.0,64.8 610.1,64.8 612.2,64.9 614.2,64.9 616.3,64.9 618.4,65.0 620.5,65.0 622.5,65.0 624.6,65.1 626.7,65.1 628.8,65.1 630.8,65.1 632.9,65.2 635.0,65.2 637.0,65.2 639.1,65.3 641.2,65.3 643.3,65.3 645.3,65.3 647.4,65.4 649.5,65.4 651.6,65.4 653.6,65.4 655.7,65.5 657.8,65.5 659.9,65.5 661.9,65.5 664.0,65.5\" fill=\"none\" stroke=\"#a78bfa\" stroke-width=\"2.4\" stroke-linejoin=\"round\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n\u003cdiv class=\"pl-legend\"\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#a78bfa;\"\u003e\u003c\/span\u003e0.60 cu ft (Qtc 0.854)\u003c\/span\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#8b5cf6;\"\u003e\u003c\/span\u003e-3dB reference\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-note\"\u003e\n\u003cp\u003e\u003cstrong style=\"color:#a78bfa;\"\u003eNote on coil choice:\u003c\/strong\u003e The figures above are the D2 set. The D4 CompRT 10 carries Qts 0.618 and Vas 27.8 litres, and a different Fs of 32.3 Hz, which in this same 0.60 cubic foot volume lands at \u003cstrong\u003eQtc 1.003, Fc 52.4 Hz and F3 41.2 Hz\u003c\/strong\u003e. Worth accounting for if you are choosing between the two. \u003ca class=\"pl-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eSelect your configuration above. This enclosure ships free to the lower 48 with a 2 year limited warranty, built one at a time in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Dual 4","offer_id":42178691530841,"sku":"VS FD2 10-S Loaded Kicker Comp RT D4","price":699.99,"currency_code":"USD","in_stock":true},{"title":"Dual 2","offer_id":42178691563609,"sku":"VS FD2 10-S Loaded Kicker Comp RT D2","price":699.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/2024-2025-ford-f-150-f-250-direct-fit-ford-series-loaded-subwoofer-enclosure-kicker-comprt-10subwoofer-enclosuresproline-x-663553.jpg?v=1761970396"},{"product_id":"direct-fit-single-audiomobile-encore-15-loaded-subwoofer-enclosure-ford-f150-250","title":"Direct Fit Single Audiomobile Encore 15 Subwoofer Enclosure | Ford F150\/250","description":"\u003cul\u003e\n\u003cli\u003eRequires 2.5\" Seat Lift (Not Included)\u003c\/li\u003e\n\u003cli\u003eBuilt For Audiomobile Encore 15\" Subwoofer (Not Included)\u003c\/li\u003e\n\u003cli\u003eTop and Front Acrylics\u003c\/li\u003e\n\u003cli\u003ePlush Black carpet\u003c\/li\u003e\n\u003cli\u003e1.6ft Net Airspace\u003c\/li\u003e\n\u003cli\u003eStack Fab Design with 1\" walls and Triple Layer Top\u003c\/li\u003e\n\u003cli\u003eincludes shipping to your door\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdvanced details coming soon\u003c\/p\u003e\n\u003cp\u003eAlso fits the GUS-15 from Resonix\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"315\" height=\"560\" src=\"https:\/\/www.youtube.com\/embed\/JPvX9JAunXw\" title='Encore 15\" | Ford F150'\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":42199422763097,"sku":"VS FD1 -1","price":899.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/direct-fit-single-audiomobile-encore-15-loaded-subwoofer-enclosure-ford-f150250subwoofer-enclosuresproline-x-812582.jpg?v=1742700600"},{"product_id":"2024-2025-ford-f150-f250-behind-seat-single-12-enclosure-loaded-wavtech-thinpro-12","title":"2024-2026 Ford F-150\/F-250\/F-350 Behind-Seat Single 12\" Enclosure – Loaded with Wavtech thinPRO12","description":"\u003cstyle\u003e\n.pl-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#cbd5e1;max-width:1100px;margin:0 auto;background:#020617;}\n.pl-wrap *{box-sizing:border-box;}\n.pl-hero{background:linear-gradient(135deg,#020617 0%,#2e1065 100%);padding:54px 36px;text-align:center;color:#fff;}\n.pl-hero h2{font-size:2.3em;font-weight:800;text-transform:uppercase;letter-spacing:1.5px;margin:0 0 12px;color:#fff;}\n.pl-hero p{font-size:1.1em;font-weight:300;opacity:.93;margin:0 0 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10px;}\n.pl-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;}\n.pl-legend-item{display:flex;align-items:center;gap:6px;font-size:12px;color:#94a3b8;}\n.pl-sw{width:22px;height:3px;border-radius:2px;display:inline-block;}\n.pl-note{background:#1e293b;border:1px solid #334155;border-radius:8px;padding:14px 16px;margin-top:6px;}\n.pl-note p{margin:0;color:#cbd5e1;font-size:13.5px;line-height:1.6;}\n.pl-link{color:#a78bfa;text-decoration:underline;}\n.pl-cta{background:linear-gradient(135deg,#020617 0%,#2e1065 100%);padding:40px 36px;text-align:center;color:#fff;}\n.pl-cta h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0;}\n.pl-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#cbd5e1;}\n@media(max-width:600px){.pl-hero h2{font-size:1.7em;}.pl-section,.pl-enc,.pl-cta,.pl-hero{padding-left:20px;padding-right:20px;}}\n\u003c\/style\u003e\n\u003cdiv class=\"pl-wrap\"\u003e\n\n\u003cdiv class=\"pl-hero\"\u003e\n\u003ch2\u003eProline X Vehicle Specific Series Enclosure for the Wavtech thinPRO 12\u003c\/h2\u003e\n\u003cp\u003eCut and tuned for the Wavtech thinPRO 12, built to drop into the 2024-2026 F-150, F-250 and F-350\u003c\/p\u003e\n\u003cdiv class=\"pl-badges\"\u003e\n\u003cspan class=\"pl-badge\"\u003eCNC Stack-Fab\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e0.60 cu ft Net\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eFits Wavtech thinPRO 12\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e2024-2026 F-150\/250\/350\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-stats\"\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.60\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.913\u003c\/span\u003e\u003cspan class=\"l\"\u003esystem Qtc\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e38 Hz\u003c\/span\u003e\u003cspan class=\"l\"\u003eF3 rolloff\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e3.0 in\u003c\/span\u003e\u003cspan class=\"l\"\u003ethinPRO 12 mounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" title=\"2024-2026 Ford F-150 Direct Fit Ford Series Loaded 12 inch Subwoofer Enclosure – Wavtech ThinPro 12\" src=\"https:\/\/www.youtube.com\/embed\/NVWJ5D6uSTE\" width=\"800\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eBuilt Around the Wavtech thinPRO 12\u003c\/h3\u003e\n\u003cp\u003eNothing about this box is generic. Every layer is cut to the thinPRO 12's published sealed target, with the baffle bored to the thinPRO 12's 11.125 in cutout with 8\/32 threaded inserts set on the back face, and clearance cut for its 3.0 in mounting depth.\u003c\/p\u003e\n\u003cp\u003eThe thinPRO 12 carries a published \u003cstrong\u003eFs of 25 Hz, Qts of 0.49 and Vas of 42 litres\u003c\/strong\u003e, and an EBP of 45, which puts it in sealed enclosure territory. We ran the alignment math on that data and built the box to land where it belongs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eNet Volume, Not Gross\u003c\/h3\u003e\n\u003cp\u003eWe build this cabinet at \u003cstrong\u003e0.60 cubic feet net\u003c\/strong\u003e, against a published recommendation of 0.6 cu ft. The volume quoted is true net internal airspace, measured after the walls, bracing and driver displacement are accounted for.\u003c\/p\u003e\n\u003cdiv class=\"pl-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated by summing\neach CNC cut layer's opening, not estimated from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eProline X Vehicle Specific Series Construction\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is stack fabricated on our ShopSabre routers from Langboard Elite 3\/4 inch MDF,\na dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE.\nEach layer is cut to the cab profile and the stack does the joining. Dowel reinforcement runs between layers as tension hardware only, which is what lets the shell follow a behind seat contour without a corner joint in it.\u003c\/p\u003e\n\u003cdiv class=\"pl-grid\"\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eThreaded Inserts, Not Wood Screws\u003c\/h4\u003e\n\u003cp\u003e8\/32 threaded inserts are set on the backside of the baffle so the driver mounts on machine screws. Pull it a dozen times and the threads are still there.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired internally with \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. No CCA anywhere in the build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDamped and Finished\u003c\/h4\u003e\n\u003cp\u003ePolyfill is pre-installed to smooth the in box response, and the shell is wrapped in plush black carpet. Built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eEnclosure Only or Loaded\u003c\/h3\u003e\n\u003cp\u003eOrder the enclosure bare and mount your own thinPRO 12, or order it loaded and we mount the driver, dress the wiring and ship it ready to bolt in.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated\u003c\/h3\u003e\n\u003cp\u003eUsing the published Thiele Small parameters for the Wavtech thinPRO 12, here is the predicted Qtc,\nsystem resonance (Fc) and F3 rolloff for this enclosure. Calculated with the same formulas\nas the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\n\u003cdiv class=\"pl-enc-card\"\u003e\n\u003cdiv class=\"pl-enc-head\"\u003eWavtech thinPRO 12 thinPRO12-2  |  Qts 0.49  |  Fs 25 Hz  |  Vas 42 L\u003c\/div\u003e\n\u003ctable class=\"pl-enc-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Size\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pl-opt\"\u003e\n\u003ctd\u003e0.60 cu ft \u003cspan class=\"pl-char\"\u003eas built\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.913\u003c\/td\u003e\n\u003ctd\u003e46.6 Hz\u003c\/td\u003e\n\u003ctd\u003e38.3 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-graph\"\u003e\n\u003cp class=\"pl-graph-title\"\u003eWavtech thinPRO 12 Frequency Response | Sealed, 0.60 cu ft\u003c\/p\u003e\n\u003csvg viewbox=\"0 0 680 300\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:100%;height:auto;display:block;\"\u003e\n\u003crect x=\"0\" y=\"0\" width=\"680\" height=\"300\" fill=\"#0f172a\"\u003e\u003c\/rect\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"270.0\" y2=\"270.0\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"274.0\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e-12dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"219.2\" y2=\"219.2\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"223.2\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e-9dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"168.4\" y2=\"168.4\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"172.4\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, 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opacity=\"0.85\"\u003e\u003c\/line\u003e\n\u003ctext x=\"660\" y=\"112.6\" text-anchor=\"end\" font-size=\"10\" fill=\"#a78bfa\" font-family=\"Arial, sans-serif\"\u003e-3dB\u003c\/text\u003e\n\u003cline x1=\"42.0\" x2=\"42.0\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"42.0\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e20Hz\u003c\/text\u003e\n\u003cline x1=\"135.1\" x2=\"135.1\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"135.1\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e30Hz\u003c\/text\u003e\n\u003cline x1=\"252.5\" x2=\"252.5\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"252.5\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e50Hz\u003c\/text\u003e\n\u003cline x1=\"411.7\" x2=\"411.7\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"411.7\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e100Hz\u003c\/text\u003e\n\u003cline x1=\"570.9\" x2=\"570.9\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"570.9\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e200Hz\u003c\/text\u003e\n\u003cline x1=\"664.0\" x2=\"664.0\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"664.0\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e300Hz\u003c\/text\u003e\n\u003crect x=\"42\" y=\"16\" width=\"622\" height=\"254\" fill=\"none\" stroke=\"#334155\" 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207.9,102.0 209.9,100.2 212.0,98.4 214.1,96.6 216.2,94.9 218.2,93.2 220.3,91.5 222.4,89.9 224.5,88.3 226.5,86.8 228.6,85.3 230.7,83.9 232.7,82.4 234.8,81.1 236.9,79.7 239.0,78.4 241.0,77.2 243.1,76.0 245.2,74.8 247.3,73.7 249.3,72.6 251.4,71.5 253.5,70.5 255.6,69.5 257.6,68.6 259.7,67.7 261.8,66.8 263.8,66.0 265.9,65.2 268.0,64.4 270.1,63.7 272.1,63.0 274.2,62.3 276.3,61.7 278.4,61.1 280.4,60.5 282.5,60.0 284.6,59.5 286.7,59.0 288.7,58.6 290.8,58.1 292.9,57.7 294.9,57.4 297.0,57.0 299.1,56.7 301.2,56.4 303.2,56.1 305.3,55.8 307.4,55.6 309.5,55.4 311.5,55.2 313.6,55.0 315.7,54.8 317.8,54.7 319.8,54.6 321.9,54.4 324.0,54.3 326.0,54.2 328.1,54.2 330.2,54.1 332.3,54.1 334.3,54.0 336.4,54.0 338.5,54.0 340.6,54.0 342.6,54.0 344.7,54.0 346.8,54.0 348.9,54.0 350.9,54.1 353.0,54.1 355.1,54.1 357.1,54.2 359.2,54.3 361.3,54.3 363.4,54.4 365.4,54.5 367.5,54.5 369.6,54.6 371.7,54.7 373.7,54.8 375.8,54.9 377.9,55.0 380.0,55.1 382.0,55.2 384.1,55.3 386.2,55.4 388.2,55.5 390.3,55.6 392.4,55.7 394.5,55.9 396.5,56.0 398.6,56.1 400.7,56.2 402.8,56.3 404.8,56.4 406.9,56.6 409.0,56.7 411.1,56.8 413.1,56.9 415.2,57.1 417.3,57.2 419.3,57.3 421.4,57.4 423.5,57.5 425.6,57.7 427.6,57.8 429.7,57.9 431.8,58.0 433.9,58.1 435.9,58.3 438.0,58.4 440.1,58.5 442.2,58.6 444.2,58.7 446.3,58.8 448.4,58.9 450.4,59.1 452.5,59.2 454.6,59.3 456.7,59.4 458.7,59.5 460.8,59.6 462.9,59.7 465.0,59.8 467.0,59.9 469.1,60.0 471.2,60.1 473.3,60.2 475.3,60.3 477.4,60.4 479.5,60.5 481.5,60.6 483.6,60.7 485.7,60.8 487.8,60.9 489.8,61.0 491.9,61.1 494.0,61.2 496.1,61.3 498.1,61.4 500.2,61.4 502.3,61.5 504.4,61.6 506.4,61.7 508.5,61.8 510.6,61.9 512.6,61.9 514.7,62.0 516.8,62.1 518.9,62.2 520.9,62.2 523.0,62.3 525.1,62.4 527.2,62.5 529.2,62.5 531.3,62.6 533.4,62.7 535.5,62.7 537.5,62.8 539.6,62.9 541.7,62.9 543.7,63.0 545.8,63.1 547.9,63.1 550.0,63.2 552.0,63.3 554.1,63.3 556.2,63.4 558.3,63.4 560.3,63.5 562.4,63.5 564.5,63.6 566.6,63.7 568.6,63.7 570.7,63.8 572.8,63.8 574.8,63.9 576.9,63.9 579.0,64.0 581.1,64.0 583.1,64.1 585.2,64.1 587.3,64.1 589.4,64.2 591.4,64.2 593.5,64.3 595.6,64.3 597.7,64.4 599.7,64.4 601.8,64.4 603.9,64.5 605.9,64.5 608.0,64.6 610.1,64.6 612.2,64.6 614.2,64.7 616.3,64.7 618.4,64.8 620.5,64.8 622.5,64.8 624.6,64.9 626.7,64.9 628.8,64.9 630.8,65.0 632.9,65.0 635.0,65.0 637.0,65.1 639.1,65.1 641.2,65.1 643.3,65.1 645.3,65.2 647.4,65.2 649.5,65.2 651.6,65.3 653.6,65.3 655.7,65.3 657.8,65.3 659.9,65.4 661.9,65.4 664.0,65.4\" fill=\"none\" stroke=\"#a78bfa\" stroke-width=\"2.4\" stroke-linejoin=\"round\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n\u003cdiv class=\"pl-legend\"\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#a78bfa;\"\u003e\u003c\/span\u003e0.60 cu ft (Qtc 0.913)\u003c\/span\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#8b5cf6;\"\u003e\u003c\/span\u003e-3dB reference\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-note\"\u003e\n\u003cp\u003e\u003cstrong style=\"color:#a78bfa;\"\u003eNote on coil choice:\u003c\/strong\u003e The figures above are the thinPRO12-2 set. The thinPRO12-4 carries Qts 0.46 and Vas 42 litres, and a different Fs of 26 Hz, which in this same 0.60 cubic foot volume lands at \u003cstrong\u003eQtc 0.857, Fc 48.4 Hz and F3 41.4 Hz\u003c\/strong\u003e. Worth accounting for if you are choosing between the two. \u003ca class=\"pl-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eSelect your configuration above. This enclosure ships free to the lower 48 with a 2 year limited warranty, built one at a time in Tullahoma, Tennessee. Ordered loaded, the thinPRO 12 carries its own 1 year manufacturer warranty through authorized dealers.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"2 ohm","offer_id":42207741313113,"sku":"VS FD2 12-S WAV S2","price":1199.99,"currency_code":"USD","in_stock":false},{"title":"4 ohm","offer_id":42207741280345,"sku":"VS FD2 12-S WAV S4","price":1199.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/2024-2025-ford-f-150-direct-fit-ford-series-loaded-12-inch-subwoofer-enclosure-wavtech-thinpro-12subwoofer-enclosuresproline-x-955517.jpg?v=1761970408"},{"product_id":"toyota-tacoma-direct-fit-subwoofer-enclosure-jl-audio-10tw3-loaded","title":"Toyota Tacoma Direct Fit Subwoofer Enclosure – JL Audio 10TW3 Loaded","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003e\u003cstrong\u003eProduct Description:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eElevate your audio experience\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003ein your 2015-2023 Toyota Tacoma with our premium Direct Fit Subwoofer Enclosure, expertly loaded with the industry-leading JL Audio 10TW3 subwoofer. Designed exclusively for Tacoma enthusiasts, this custom-fit sealed enclosure installs neatly behind the passenger-side rear seat, providing rich, powerful bass without sacrificing valuable cabin space.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003ePrecision-Fit Design:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003ePerfectly tailored for 2015-2023 Toyota Tacoma models\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eJL Audio 10TW3 Loaded:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003eLegendary shallow-mount subwoofer delivering impressive bass\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eRobust Construction:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003eDurable, high-quality materials ensure long-lasting performance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eOptimal Airspace:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e.6 cubic feet sealed enclosure enhances sound clarity and depth\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eEasy \u0026amp; Reversible Installation:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003eNo permanent modifications required, maintain factory interior\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBuilt to deliver \u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003edeep, resonant bass\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003eand unparalleled sound quality, this subwoofer enclosure transforms ordinary drives into extraordinary journeys. Whether you're cruising city streets or exploring rugged terrain, enjoy every beat with remarkable clarity and powerful bass performance.\u003c\/span\u003e\u003c\/p\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":42268544532569,"sku":"VS TOY 10-S JL 10TW3 D4","price":749.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/toyota-tacoma-direct-fit-subwoofer-enclosure-jl-audio-10tw3-loadedsubwoofer-enclosuresproline-x-382441.jpg?v=1761970432"},{"product_id":"toyota-tacoma-direct-fit-subwoofer-enclosure-audiomobile-evo-2410-loaded","title":"Toyota Tacoma Direct Fit Subwoofer Enclosure – Audiomobile Evo 2410 Loaded","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003e\u003cstrong\u003eProduct Description:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003eAmplify your 2015-2023 Toyota Tacoma's audio capabilities with our specialized Direct Fit Subwoofer Enclosure featuring the powerful Audiomobile Evo 2410 subwoofer. Engineered specifically for Tacoma models, this enclosure provides outstanding bass depth and clarity, precisely fitting behind the passenger-side rear seat without compromising interior space or functionality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eCustom Fit for Toyota Tacoma:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003eSeamless integration with 2015-2023 models\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eLoaded with Audiomobile Evo 2410:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003eHigh-performance 10-inch subwoofer for superior audio\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003ePremium Build Quality:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003eRugged, durable construction for consistent performance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eOptimized Airspace:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e.6 cubic foot sealed enclosure enhances sound accuracy\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eSimple Installation:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003eQuick, reversible installation with no permanent modifications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe Audiomobile Evo 2410 subwoofer is renowned for delivering deep, precise bass even in compact spaces, ensuring an immersive audio experience on every drive. Whether you're commuting or exploring off-road trails, enjoy rich, powerful sound designed specifically for your Tacoma.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUpgrade now to redefine your driving experience with exceptional sound quality and unbeatable convenience.\u003c\/span\u003e\u003c\/p\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":42268715221081,"sku":"VS TOY 10-S Evo 10 D4","price":749.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/toyota-tacoma-direct-fit-subwoofer-enclosure-audiomobile-evo-2410-loadedenclosed-subwooferproline-x-812893.jpg?v=1761970433"},{"product_id":"2015-2023-ford-f-150-2017-2023-f-250-dual-10-direct-fit-sealed-subwoofer-enclosure","title":"F-150 Behind Seat Dual 10\" (2015-2023)","description":"\u003ch2 data-start=\"274\" data-end=\"678\"\u003eDual 10\" Subwoofer Enclosure for 2015–2023 Ford F-150 \u0026amp; 2017–2023 F-250\u003c\/h2\u003e\n\u003cp data-start=\"274\" data-end=\"678\" class=\"\"\u003eEngineered to install \u003cstrong\u003ebehind the rear seat\u003c\/strong\u003e, this dual 10\" sealed subwoofer enclosure delivers strong bass without sacrificing interior space. It’s designed specifically for Ford truck owners who want a clean sound with full access to tools and storage. Each unit ships free and arrives pre-wired with 12-gauge OFC speaker wire into a single custom terminal cup for quick and easy connection.\u003c\/p\u003e\n\u003ch3 data-start=\"680\" data-end=\"718\" class=\"\"\u003eEngineered for Behind-Seat Fitment\u003c\/h3\u003e\n\u003cp data-start=\"720\" data-end=\"1171\" class=\"\"\u003eThis enclosure is built exclusively for 2015–2023 Ford F-150 and 2017–2023 Ford F-250 trucks. It fits behind the rear passenger-side seat, making efficient use of unused cabin space. Minor modifications are required, including relocating the OEM jack and satellite module and trimming the factory rear panel. The factory subwoofer must be removed if equipped. Once installed, the seat remains operational, and access to under-seat storage is retained.\u003c\/p\u003e\n\u003ch3 data-start=\"1173\" data-end=\"1217\" class=\"\"\u003eSealed Performance with Dual Sub Support\u003c\/h3\u003e\n\u003cp data-start=\"1219\" data-end=\"1649\" class=\"\"\u003eWith 1.0 cubic foot of total internal volume, the enclosure is split into two equal sealed chambers. Each chamber provides 0.5 cubic feet of airspace, ideal for tight, responsive bass. The sealed design offers clarity, control, and distortion-free low-end response. A maximum mounting depth of 3.7 inches supports many popular shallow-mount 10\" subwoofers. This setup balances everyday usability with excellent sound reproduction.\u003c\/p\u003e\n\u003ch3 data-start=\"1651\" data-end=\"1689\" class=\"\"\u003eDurable Construction, Clean Wiring\u003c\/h3\u003e\n\u003cp data-start=\"1691\" data-end=\"2147\" class=\"\"\u003eThe enclosure is crafted from ¾\" MDF using a precision Stack Fab design for added rigidity and reduced resonance. A plush black automotive-grade carpet finish blends seamlessly with the truck's interior. Threaded inserts come pre-installed to secure subwoofers without damaging the enclosure. Internally, 12-gauge oxygen-free copper speaker wire is pre-wired to a custom terminal cup. This setup ensures a clean signal path and simplifies amplifier hookup.\u003c\/p\u003e\n\u003ch3 data-start=\"2149\" data-end=\"2197\" class=\"\"\u003ePractical Upgrade with Warranty and Shipping\u003c\/h3\u003e\n\u003cp data-start=\"2199\" data-end=\"2620\" class=\"\"\u003eBacked by a 2-year warranty, this enclosure is designed for long-term use in daily-driven vehicles. Free shipping is included within the continental U.S. for added value. It delivers a reliable, high-performance audio solution without affecting core truck functions. No permanent modifications to the vehicle structure are required. This enclosure is a smart and reversible upgrade for serious bass in a work-ready truck.\u003c\/p\u003e\n\u003ch3 class=\"\" data-end=\"687\" data-start=\"666\"\u003e\u003cstrong data-end=\"687\" data-start=\"670\"\u003eKey Features:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1565\" data-start=\"689\"\u003e\n\u003cli class=\"\" data-end=\"833\" data-start=\"689\"\u003e\n\u003cp class=\"\" data-end=\"833\" data-start=\"691\"\u003e\u003cstrong data-end=\"718\" data-start=\"691\"\u003eFits Two 10\" Subwoofers\u003c\/strong\u003e – Designed for sealed applications, this enclosure delivers tight, responsive bass ideal for sound quality builds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"963\" data-start=\"834\"\u003e\n\u003cp class=\"\" data-end=\"963\" data-start=\"836\"\u003e\u003cstrong data-end=\"872\" data-start=\"836\"\u003e1.0 Cubic Foot Combined Airspace\u003c\/strong\u003e – Optimized for dual subwoofers to deliver balanced output across the low frequency range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1078\" data-start=\"964\"\u003e\n\u003cp class=\"\" data-end=\"1078\" data-start=\"966\"\u003e\u003cstrong data-end=\"1001\" data-start=\"966\"\u003eDirect Fitment Behind Rear Seat\u003c\/strong\u003e – Fits behind the rear seat on the passenger side with minimal modification.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1186\" data-start=\"1079\"\u003e\n\u003cp class=\"\" data-end=\"1186\" data-start=\"1081\"\u003e\u003cstrong data-end=\"1115\" data-start=\"1081\"\u003eThreaded Inserts Pre-Installed\u003c\/strong\u003e – Allows for secure, tool-free subwoofer mounting without wood screws.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1302\" data-start=\"1187\"\u003e\n\u003cp class=\"\" data-end=\"1302\" data-start=\"1189\"\u003e\u003cstrong data-end=\"1221\" data-start=\"1189\"\u003ePreserves Under-Seat Storage\u003c\/strong\u003e – Clean layout ensures access to OEM jack tools and storage areas is maintained.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1460\" data-start=\"1303\"\u003e\n\u003cp class=\"\" data-end=\"1460\" data-start=\"1305\"\u003e\u003cstrong data-end=\"1337\" data-start=\"1305\"\u003ePremium Materials and Finish\u003c\/strong\u003e – Constructed from precision-cut ¾\" MDF using Stack Fab design and wrapped in plush black carpet for a factory-style look.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1565\" data-start=\"1461\"\u003e\n\u003cp class=\"\" data-end=\"1565\" data-start=\"1463\"\u003e\u003cstrong data-end=\"1482\" data-start=\"1463\"\u003e2-Year Warranty\u003c\/strong\u003e – Built to last, backed by a full two-year warranty against manufacturing defects.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\" data-end=\"1589\" data-start=\"1567\"\u003e\u003cstrong data-end=\"1589\" data-start=\"1571\"\u003eFitment Notes:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1867\" data-start=\"1591\"\u003e\n\u003cli class=\"\" data-end=\"1656\" data-start=\"1591\"\u003e\n\u003cp class=\"\" data-end=\"1656\" data-start=\"1593\"\u003eMinor trimming or removal of the factory rear paneling required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1731\" data-start=\"1657\"\u003e\n\u003cp class=\"\" data-end=\"1731\" data-start=\"1659\"\u003eOEM jack and jack mount must be relocated for the enclosure to seat properly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1817\" data-start=\"1732\"\u003e\n\u003cp class=\"\" data-end=\"1817\" data-start=\"1734\"\u003eFactory satellite radio module (if equipped) should be repositioned slightly higher\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1867\" data-start=\"1818\"\u003e\n\u003cp class=\"\" data-end=\"1867\" data-start=\"1820\"\u003eFactory subwoofer (if equipped) must be removed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\" data-end=\"1883\" data-start=\"1869\"\u003e\u003cstrong data-end=\"1883\" data-start=\"1873\"\u003eSpecs:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2137\" data-start=\"1885\"\u003e\n\u003cli class=\"\" data-end=\"1935\" data-start=\"1885\"\u003e\n\u003cp class=\"\" data-end=\"1935\" data-start=\"1887\"\u003e\u003cstrong data-end=\"1900\" data-start=\"1887\"\u003eAirspace:\u003c\/strong\u003e 1.0 ft³ combined (0.5 ft³ per sub)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1962\" data-start=\"1936\"\u003e\n\u003cp class=\"\" data-end=\"1962\" data-start=\"1938\"\u003e\u003cstrong data-end=\"1957\" data-start=\"1938\"\u003eMounting Depth:\u003c\/strong\u003e 3.7\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2003\" data-start=\"1963\"\u003e\n\u003cp class=\"\" data-end=\"2003\" data-start=\"1965\"\u003e\u003cstrong data-end=\"1978\" data-start=\"1965\"\u003eMaterial:\u003c\/strong\u003e ¾\" MDF, Stack Fab Design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2059\" data-start=\"2004\"\u003e\n\u003cp class=\"\" data-end=\"2059\" data-start=\"2006\"\u003e\u003cstrong data-end=\"2028\" data-start=\"2006\"\u003eMounting Hardware:\u003c\/strong\u003e Threaded inserts pre-installed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2092\" data-start=\"2060\"\u003e\n\u003cp class=\"\" data-end=\"2092\" data-start=\"2062\"\u003e\u003cstrong data-end=\"2073\" data-start=\"2062\"\u003eFinish:\u003c\/strong\u003e Plush black carpet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2113\" data-start=\"2093\"\u003e\n\u003cp class=\"\" data-end=\"2113\" data-start=\"2095\"\u003e\u003cstrong data-end=\"2105\" data-start=\"2095\"\u003ePrice:\u003c\/strong\u003e $529.99\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2137\" data-start=\"2114\"\u003e\n\u003cstrong\u003eShipping:\u003c\/strong\u003e Free Shipping to the Continental US\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(252, 10, 10);\"\u003e\u003cem\u003e ****Woofers not included. However, different woofers require different mounting holes. We have painstakingly verified the fitment of all the woofers we have listed.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(252, 10, 10);\"\u003e\u003cem\u003eIf you do not see your woofer listed, email us to verify if your woofer will work in this enclosure!\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10D-S JL\u003c\/strong\u003e: Dual 10” Sealed | Full Width | JL 10Tw3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10D-S KIK\u003c\/strong\u003e: Dual 10” | Sealed | Full Width | Kicker Comp RT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10D-S RF\u003c\/strong\u003e: Dual 10” | Sealed | Full Width | Rockford P3SD2-10 I P3SD4-10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10D-S ALP\u003c\/strong\u003e: Dual 10” | Sealed | Full Width | Alpine RS-W10D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10D-S HTZ\u003c\/strong\u003e: Dual 10” | Sealed | Full Width | Hertz MPS 250\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10D-S AM\u003c\/strong\u003e: Dual 10” | Sealed | Full Width | Audiomobile Evo 10\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10-S GZ\u003c\/strong\u003e: Dual 10” | Sealed | Full Width | GZRW 250-D2 FLAT \/ GZTW 10F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 12D-S WAV\u003c\/strong\u003e: Dual 12” | Sealed | Full Width | Wāvtech thinPRO12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10D-S INF\u003c\/strong\u003e: Dual 10” | Sealed | Full Width | Infinity REF1000S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVS FD1 10D-S DS18\u003c\/strong\u003e: Dual10” | Sealed | Full Width | DS18 IXS10\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBundle and save on our Loaded Dual 10 inch Direct Fit Sealed Subwoofer Enclosures:\u003c\/p\u003e\n\u003cp\u003e\u003ca title='Ford F-150\/F-250 Dual 10\" Subwoofer Enclosure – Loaded with Kicker CompRT 10s' href=\"https:\/\/audiointensity.com\/products\/2015-2023-ford-f150-f250-behind-seat-dual-10-enclosure-loaded-kicker-comprt-10\"\u003eFord F-150\/F-250 Dual 10\" Subwoofer Enclosure – Loaded with Kicker CompRT 10s\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/audiointensity.com\/products\/2015-2023-ford-f150-f250-behind-seat-dual-10-enclosure-loaded-jl-audio-10tw3-d4\" title='Ford F-150\/F-250 Dual 10\" Subwoofer Enclosure – Loaded with JL Audio 10TW3 Pair'\u003eFord F-150\/F-250 Dual 10\" Subwoofer Enclosure – Loaded with JL Audio 10TW3 Pair\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLooking for a different \u003c\/span\u003e\u003ca href=\"https:\/\/audiointensity.com\/collections\/ford-f150-subwoofer-box\" title=\"Ford F150 Subwoofer Box\"\u003eFord F150 Subwoofer Box\u003c\/a\u003e\u003cspan\u003e?\u003c\/span\u003e\u003c\/p\u003e","brand":"Proline X","offers":[{"title":"JL Audio 10TW3","offer_id":42272065224793,"sku":"VS FD1 10D-S JL","price":529.99,"currency_code":"USD","in_stock":true},{"title":"Kicker Comp RT","offer_id":42272065257561,"sku":"VS FD1 10D-S KIK","price":529.99,"currency_code":"USD","in_stock":true},{"title":"Audiomobile Evo 10","offer_id":42272080068697,"sku":"VS FD1 10D-S AM","price":529.99,"currency_code":"USD","in_stock":true},{"title":"Rockford P3SD2-10 I P3SD4-10","offer_id":42272065290329,"sku":"VS FD1 10D-S RF","price":529.99,"currency_code":"USD","in_stock":true},{"title":"Alpine RS-W10D","offer_id":42272065323097,"sku":"VS FD1 10D-S ALP","price":529.99,"currency_code":"USD","in_stock":true},{"title":"Wāvtech thinPRO12","offer_id":42272080101465,"sku":"VS FD1 12D-S Wav","price":529.99,"currency_code":"USD","in_stock":true},{"title":"Wāvtech thinPRO10","offer_id":43175804895321,"sku":"VS FD1 10D-S Wav","price":529.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/20152023-ford-f-150-20172023-f-250-dual-10-inch-direct-fit-sealed-subwoofer-enclosuresubwoofer-enclosuresproline-x-791745.jpg?v=1761970444"},{"product_id":"2015-2023-ford-f150-f250-behind-seat-dual-10-enclosure-loaded-jl-audio-10tw3-d4","title":"2015-2023 Ford F-150\/F-250 Behind-Seat Dual 10\" Enclosure – Loaded with JL Audio 10TW3","description":"\u003cstyle\u003e\n.pl-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#cbd5e1;max-width:1100px;margin:0 auto;background:#020617;}\n.pl-wrap *{box-sizing:border-box;}\n.pl-hero{background:linear-gradient(135deg,#020617 0%,#2e1065 100%);padding:54px 36px;text-align:center;color:#fff;}\n.pl-hero h2{font-size:2.3em;font-weight:800;text-transform:uppercase;letter-spacing:1.5px;margin:0 0 12px;color:#fff;}\n.pl-hero p{font-size:1.1em;font-weight:300;opacity:.93;margin:0 0 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10px;}\n.pl-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;}\n.pl-legend-item{display:flex;align-items:center;gap:6px;font-size:12px;color:#94a3b8;}\n.pl-sw{width:22px;height:3px;border-radius:2px;display:inline-block;}\n.pl-note{background:#1e293b;border:1px solid #334155;border-radius:8px;padding:14px 16px;margin-top:6px;}\n.pl-note p{margin:0;color:#cbd5e1;font-size:13.5px;line-height:1.6;}\n.pl-link{color:#a78bfa;text-decoration:underline;}\n.pl-cta{background:linear-gradient(135deg,#020617 0%,#2e1065 100%);padding:40px 36px;text-align:center;color:#fff;}\n.pl-cta h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0;}\n.pl-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#cbd5e1;}\n@media(max-width:600px){.pl-hero h2{font-size:1.7em;}.pl-section,.pl-enc,.pl-cta,.pl-hero{padding-left:20px;padding-right:20px;}}\n\u003c\/style\u003e\n\u003cdiv class=\"pl-wrap\"\u003e\n\n\u003cdiv class=\"pl-hero\"\u003e\n\u003ch2\u003eProline X Vehicle Specific Series Enclosure for the JL Audio 10TW3-D4\u003c\/h2\u003e\n\u003cp\u003eCut and tuned for a pair of JL Audio 10TW3-D4 drivers, built to drop into the 2015-2023 F-150, 2017-2023 F-250\u003c\/p\u003e\n\u003cdiv class=\"pl-badges\"\u003e\n\u003cspan class=\"pl-badge\"\u003eCNC Stack-Fab\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e1.05 cu ft Net\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eFits JL Audio 10TW3-D4\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e2015-2023 F-150, 2017-2023 F-250\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-stats\"\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e1.05\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.947\u003c\/span\u003e\u003cspan class=\"l\"\u003esystem Qtc\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e40 Hz\u003c\/span\u003e\u003cspan class=\"l\"\u003eF3 rolloff\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e3.25 in\u003c\/span\u003e\u003cspan class=\"l\"\u003e10TW3-D4 mounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eBuilt Around the JL Audio 10TW3-D4\u003c\/h3\u003e\n\u003cp\u003eNothing about this box is generic. Every layer is cut to the 10TW3-D4's published sealed target, with the baffle bored to the 10TW3-D4's 9.625 in cutout with 8\/32 threaded inserts set on the back face, and clearance cut for its 3.25 in mounting depth.\u003c\/p\u003e\n\u003cp\u003eThe 10TW3-D4 carries a published \u003cstrong\u003eFs of 32.3 Hz, Qts of 0.62 and Vas of 19.82 litres\u003c\/strong\u003e, and an EBP of 49, which puts it in sealed enclosure territory. We ran the alignment math on that data and built the box to land where it belongs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eOne Common Chamber\u003c\/h3\u003e\n\u003cp\u003eBoth 10TW3-D4 drivers share a single \u003cstrong\u003e1.05 cubic foot\u003c\/strong\u003e volume, which works out to 0.525 cubic feet of loading per driver. Behind seat enclosures are built common chamber when they carry two drivers.\u003c\/p\u003e\n\u003cdiv class=\"pl-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated by summing\neach CNC cut layer's opening, not estimated from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eProline X Vehicle Specific Series Construction\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is stack fabricated on our ShopSabre routers from Langboard Elite 3\/4 inch MDF,\na dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE.\nEach layer is cut to the cab profile and the stack does the joining. Dowel reinforcement runs between layers as tension hardware only, which is what lets the shell follow a behind seat contour without a corner joint in it.\u003c\/p\u003e\n\u003cdiv class=\"pl-grid\"\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eThreaded Inserts, Not Wood Screws\u003c\/h4\u003e\n\u003cp\u003e8\/32 threaded inserts are set on the backside of the baffle so the driver mounts on machine screws. Pull it a dozen times and the threads are still there.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired internally with \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. No CCA anywhere in the build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDamped and Finished\u003c\/h4\u003e\n\u003cp\u003ePolyfill is pre-installed to smooth the in box response, and the shell is wrapped in plush black carpet. Built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eEnclosure Only or Loaded\u003c\/h3\u003e\n\u003cp\u003eOrder the enclosure bare and mount your own pair of 10TW3-D4 drivers, or order it loaded and we mount the drivers, dress the wiring and ship it ready to bolt in.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated\u003c\/h3\u003e\n\u003cp\u003eUsing the published Thiele Small parameters for the JL Audio 10TW3-D4, here is the predicted Qtc,\nsystem resonance (Fc) and F3 rolloff for this enclosure. Calculated with the same formulas\nas the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\n\u003cdiv class=\"pl-enc-card\"\u003e\n\u003cdiv class=\"pl-enc-head\"\u003eJL Audio 10TW3-D4 D2  |  Qts 0.62  |  Fs 32.3 Hz  |  Vas 19.82 L\u003c\/div\u003e\n\u003ctable class=\"pl-enc-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Size\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pl-opt\"\u003e\n\u003ctd\u003e0.53 cu ft \u003cspan class=\"pl-char\"\u003e1.05 cu ft common chamber, 0.525 per driver\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.947\u003c\/td\u003e\n\u003ctd\u003e49.3 Hz\u003c\/td\u003e\n\u003ctd\u003e39.8 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-graph\"\u003e\n\u003cp class=\"pl-graph-title\"\u003eJL Audio 10TW3-D4 Frequency Response | Sealed, 0.53 cu ft\u003c\/p\u003e\n\u003csvg viewbox=\"0 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207.9,109.6 209.9,107.5 212.0,105.5 214.1,103.4 216.2,101.4 218.2,99.5 220.3,97.6 222.4,95.7 224.5,93.8 226.5,92.0 228.6,90.3 230.7,88.5 232.7,86.8 234.8,85.2 236.9,83.6 239.0,82.0 241.0,80.5 243.1,79.0 245.2,77.6 247.3,76.2 249.3,74.8 251.4,73.5 253.5,72.3 255.6,71.0 257.6,69.9 259.7,68.7 261.8,67.6 263.8,66.6 265.9,65.6 268.0,64.6 270.1,63.7 272.1,62.8 274.2,61.9 276.3,61.1 278.4,60.4 280.4,59.6 282.5,58.9 284.6,58.3 286.7,57.6 288.7,57.0 290.8,56.5 292.9,56.0 294.9,55.5 297.0,55.0 299.1,54.6 301.2,54.2 303.2,53.8 305.3,53.4 307.4,53.1 309.5,52.8 311.5,52.5 313.6,52.3 315.7,52.1 317.8,51.9 319.8,51.7 321.9,51.5 324.0,51.4 326.0,51.2 328.1,51.1 330.2,51.0 332.3,50.9 334.3,50.9 336.4,50.8 338.5,50.8 340.6,50.8 342.6,50.8 344.7,50.8 346.8,50.8 348.9,50.8 350.9,50.9 353.0,50.9 355.1,51.0 357.1,51.0 359.2,51.1 361.3,51.2 363.4,51.2 365.4,51.3 367.5,51.4 369.6,51.5 371.7,51.6 373.7,51.8 375.8,51.9 377.9,52.0 380.0,52.1 382.0,52.2 384.1,52.4 386.2,52.5 388.2,52.6 390.3,52.8 392.4,52.9 394.5,53.1 396.5,53.2 398.6,53.4 400.7,53.5 402.8,53.7 404.8,53.8 406.9,54.0 409.0,54.1 411.1,54.3 413.1,54.4 415.2,54.6 417.3,54.7 419.3,54.9 421.4,55.0 423.5,55.2 425.6,55.3 427.6,55.5 429.7,55.6 431.8,55.8 433.9,55.9 435.9,56.1 438.0,56.2 440.1,56.4 442.2,56.5 444.2,56.7 446.3,56.8 448.4,57.0 450.4,57.1 452.5,57.2 454.6,57.4 456.7,57.5 458.7,57.7 460.8,57.8 462.9,57.9 465.0,58.1 467.0,58.2 469.1,58.3 471.2,58.5 473.3,58.6 475.3,58.7 477.4,58.8 479.5,59.0 481.5,59.1 483.6,59.2 485.7,59.3 487.8,59.4 489.8,59.6 491.9,59.7 494.0,59.8 496.1,59.9 498.1,60.0 500.2,60.1 502.3,60.2 504.4,60.3 506.4,60.4 508.5,60.5 510.6,60.6 512.6,60.7 514.7,60.8 516.8,60.9 518.9,61.0 520.9,61.1 523.0,61.2 525.1,61.3 527.2,61.4 529.2,61.5 531.3,61.6 533.4,61.7 535.5,61.7 537.5,61.8 539.6,61.9 541.7,62.0 543.7,62.1 545.8,62.2 547.9,62.2 550.0,62.3 552.0,62.4 554.1,62.5 556.2,62.5 558.3,62.6 560.3,62.7 562.4,62.7 564.5,62.8 566.6,62.9 568.6,62.9 570.7,63.0 572.8,63.1 574.8,63.1 576.9,63.2 579.0,63.3 581.1,63.3 583.1,63.4 585.2,63.4 587.3,63.5 589.4,63.6 591.4,63.6 593.5,63.7 595.6,63.7 597.7,63.8 599.7,63.8 601.8,63.9 603.9,63.9 605.9,64.0 608.0,64.0 610.1,64.1 612.2,64.1 614.2,64.2 616.3,64.2 618.4,64.3 620.5,64.3 622.5,64.3 624.6,64.4 626.7,64.4 628.8,64.5 630.8,64.5 632.9,64.6 635.0,64.6 637.0,64.6 639.1,64.7 641.2,64.7 643.3,64.7 645.3,64.8 647.4,64.8 649.5,64.8 651.6,64.9 653.6,64.9 655.7,64.9 657.8,65.0 659.9,65.0 661.9,65.0 664.0,65.1\" fill=\"none\" stroke=\"#a78bfa\" stroke-width=\"2.4\" stroke-linejoin=\"round\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n\u003cdiv class=\"pl-legend\"\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#a78bfa;\"\u003e\u003c\/span\u003e0.53 cu ft (Qtc 0.947)\u003c\/span\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#8b5cf6;\"\u003e\u003c\/span\u003e-3dB reference\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-note\"\u003e\n\u003cp\u003e\u003cstrong style=\"color:#a78bfa;\"\u003eNote on coil choice:\u003c\/strong\u003e This alignment is calculated from the published T\/S for the 10TW3-D4 in the D2 parallel set. The D4 variant carries slightly different Qts and Vas figures and will land a marginally different sealed alignment. \u003ca class=\"pl-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eSelect your configuration above. This enclosure ships free to the lower 48 with a 2 year limited warranty, built one at a time in Tullahoma, Tennessee. Ordered loaded, the 10TW3-D4 carries its own 1 year manufacturer warranty through authorized dealers.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":42272156942425,"sku":"VS FD1 10D-S JL 10TW3","price":1499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/ford-f-150f-250-dual-10-subwoofer-enclosure-loaded-with-jl-audio-10tw3-pairenclosed-subwooferproline-x-449759.jpg?v=1761970448"},{"product_id":"2015-2023-ford-f150-f250-behind-seat-dual-10-enclosure-loaded-kicker-comprt-10","title":"2015-2023 Ford F-150\/F-250 Behind-Seat Dual 10\" Enclosure – Loaded with Kicker CompRT 10","description":"\u003cstyle\u003e\n.pl-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#cbd5e1;max-width:1100px;margin:0 auto;background:#020617;}\n.pl-wrap *{box-sizing:border-box;}\n.pl-hero{background:linear-gradient(135deg,#020617 0%,#2e1065 100%);padding:54px 36px;text-align:center;color:#fff;}\n.pl-hero h2{font-size:2.3em;font-weight:800;text-transform:uppercase;letter-spacing:1.5px;margin:0 0 12px;color:#fff;}\n.pl-hero p{font-size:1.1em;font-weight:300;opacity:.93;margin:0 0 22px;color:#cbd5e1;}\n.pl-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;}\n.pl-badge{background:rgba(139,92,246,.18);border:1px solid #8b5cf6;color:#c4b5fd;padding:7px 16px;border-radius:18px;font-size:.8em;font-weight:600;letter-spacing:.4px;}\n.pl-stats{display:flex;flex-wrap:wrap;background:#0f172a;}\n.pl-stat{flex:1 1 200px;text-align:center;padding:26px 16px;border-right:1px solid #1e293b;border-bottom:1px solid #1e293b;}\n.pl-stat .n{display:block;font-size:1.6em;font-weight:800;color:#a78bfa;}\n.pl-stat .l{display:block;font-size:.78em;color:#94a3b8;text-transform:uppercase;letter-spacing:.6px;margin-top:5px;}\n.pl-section{padding:42px 36px;border-bottom:1px solid 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#334155;border-radius:8px;padding:14px;margin:18px 0;}\n.pl-graph-title{font-size:.78em;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#94a3b8;margin:0 0 10px;}\n.pl-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;}\n.pl-legend-item{display:flex;align-items:center;gap:6px;font-size:12px;color:#94a3b8;}\n.pl-sw{width:22px;height:3px;border-radius:2px;display:inline-block;}\n.pl-note{background:#1e293b;border:1px solid #334155;border-radius:8px;padding:14px 16px;margin-top:6px;}\n.pl-note p{margin:0;color:#cbd5e1;font-size:13.5px;line-height:1.6;}\n.pl-link{color:#a78bfa;text-decoration:underline;}\n.pl-cta{background:linear-gradient(135deg,#020617 0%,#2e1065 100%);padding:40px 36px;text-align:center;color:#fff;}\n.pl-cta h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0;}\n.pl-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#cbd5e1;}\n@media(max-width:600px){.pl-hero h2{font-size:1.7em;}.pl-section,.pl-enc,.pl-cta,.pl-hero{padding-left:20px;padding-right:20px;}}\n\u003c\/style\u003e\n\u003cdiv class=\"pl-wrap\"\u003e\n\n\u003cdiv class=\"pl-hero\"\u003e\n\u003ch2\u003eProline X Vehicle Specific Series Enclosure for the Kicker CompRT 10\u003c\/h2\u003e\n\u003cp\u003eCut and tuned for a pair of Kicker CompRT 10 drivers, built to drop into the 2015-2023 F-150, 2017-2023 F-250\u003c\/p\u003e\n\u003cdiv class=\"pl-badges\"\u003e\n\u003cspan class=\"pl-badge\"\u003eCNC Stack-Fab\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e1.05 cu ft Net\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eFits Kicker CompRT 10\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e2015-2023 F-150, 2017-2023 F-250\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-stats\"\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e1.05\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.894\u003c\/span\u003e\u003cspan class=\"l\"\u003esystem Qtc\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e44 Hz\u003c\/span\u003e\u003cspan class=\"l\"\u003eF3 rolloff\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e3.4375 in\u003c\/span\u003e\u003cspan class=\"l\"\u003eCompRT 10 mounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eBuilt Around the Kicker CompRT 10\u003c\/h3\u003e\n\u003cp\u003eNothing about this box is generic. Every layer is cut to the CompRT 10's published sealed target, with the baffle bored to the CompRT 10's 9.125 in cutout with 8\/32 threaded inserts set on the back face, and clearance cut for its 3.4375 in mounting depth.\u003c\/p\u003e\n\u003cp\u003eThe CompRT 10 carries a published \u003cstrong\u003eFs of 28.7 Hz, Qts of 0.486 and Vas of 35.36 litres\u003c\/strong\u003e, and an EBP of 57, which puts it in transition enclosure territory. We ran the alignment math on that data and built the box to land where it belongs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eOne Common Chamber\u003c\/h3\u003e\n\u003cp\u003eBoth CompRT 10 drivers share a single \u003cstrong\u003e1.05 cubic foot\u003c\/strong\u003e volume, which works out to 0.525 cubic feet of loading per driver. Behind seat enclosures are built common chamber when they carry two drivers.\u003c\/p\u003e\n\u003cdiv class=\"pl-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated by summing\neach CNC cut layer's opening, not estimated from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eProline X Vehicle Specific Series Construction\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is stack fabricated on our ShopSabre routers from Langboard Elite 3\/4 inch MDF,\na dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE.\nEach layer is cut to the cab profile and the stack does the joining. Dowel reinforcement runs between layers as tension hardware only, which is what lets the shell follow a behind seat contour without a corner joint in it.\u003c\/p\u003e\n\u003cdiv class=\"pl-grid\"\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eThreaded Inserts, Not Wood Screws\u003c\/h4\u003e\n\u003cp\u003e8\/32 threaded inserts are set on the backside of the baffle so the driver mounts on machine screws. Pull it a dozen times and the threads are still there.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired internally with \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. No CCA anywhere in the build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDamped and Finished\u003c\/h4\u003e\n\u003cp\u003ePolyfill is pre-installed to smooth the in box response, and the shell is wrapped in plush black carpet. Built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eEnclosure Only or Loaded\u003c\/h3\u003e\n\u003cp\u003eOrder the enclosure bare and mount your own pair of CompRT 10 drivers, or order it loaded and we mount the drivers, dress the wiring and ship it ready to bolt in. Loaded builds are available in Dual 2-Ohm (D2) or Dual 4-Ohm (D4), selectable by variant.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated\u003c\/h3\u003e\n\u003cp\u003eUsing the published Thiele Small parameters for the Kicker CompRT 10, here is the predicted Qtc,\nsystem resonance (Fc) and F3 rolloff for this enclosure. Calculated with the same formulas\nas the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\n\u003cdiv class=\"pl-enc-card\"\u003e\n\u003cdiv class=\"pl-enc-head\"\u003eKicker CompRT 10 D2  |  Qts 0.486  |  Fs 28.7 Hz  |  Vas 35.36 L\u003c\/div\u003e\n\u003ctable class=\"pl-enc-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Size\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pl-opt\"\u003e\n\u003ctd\u003e0.53 cu ft \u003cspan class=\"pl-char\"\u003e1.05 cu ft common chamber, 0.525 per driver\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.894\u003c\/td\u003e\n\u003ctd\u003e52.8 Hz\u003c\/td\u003e\n\u003ctd\u003e43.9 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-graph\"\u003e\n\u003cp class=\"pl-graph-title\"\u003eKicker CompRT 10 Frequency Response | Sealed, 0.53 cu ft\u003c\/p\u003e\n\u003csvg viewbox=\"0 0 680 300\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:100%;height:auto;display:block;\"\u003e\n\u003crect x=\"0\" y=\"0\" width=\"680\" height=\"300\" fill=\"#0f172a\"\u003e\u003c\/rect\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"270.0\" y2=\"270.0\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"274.0\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e-12dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"219.2\" y2=\"219.2\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"223.2\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e-9dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"168.4\" y2=\"168.4\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"172.4\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e-6dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"117.6\" y2=\"117.6\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"121.6\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e-3dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"66.8\" y2=\"66.8\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"70.8\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e0dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"16.0\" y2=\"16.0\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"20.0\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e3dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"117.6\" y2=\"117.6\" stroke=\"#8b5cf6\" stroke-width=\"1.4\" stroke-dasharray=\"4 3\" 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class=\"pl-note\"\u003e\n\u003cp\u003e\u003cstrong style=\"color:#a78bfa;\"\u003eNote on coil choice:\u003c\/strong\u003e The figures above are the D2 set. The D4 CompRT 10 carries Qts 0.618 and Vas 27.8 litres, and a different Fs of 32.3 Hz, which in this same 0.53 cubic foot volume lands at \u003cstrong\u003eQtc 1.047, Fc 54.7 Hz and F3 42.2 Hz\u003c\/strong\u003e. Worth accounting for if you are choosing between the two. \u003ca class=\"pl-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eSelect your configuration above. This enclosure ships free to the lower 48 with a 2 year limited warranty, built one at a time in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":42276645830745,"sku":"VS FD1 10D-S Kicker CompRT 10","price":929.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/ford-f-150f-250-dual-10-subwoofer-enclosure-loaded-with-kicker-comprt-10senclosed-subwooferproline-x-348096.jpg?v=1761970451"},{"product_id":"2015-2023-ford-f150-f250-behind-seat-single-12-enclosure-loaded-wavtech-thinpro-12","title":"2015-2023 Ford F-150\/F-250 Behind-Seat Single 12\" Enclosure – Loaded with Wavtech thinPRO12","description":"\u003cstyle\u003e\n.pl-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#cbd5e1;max-width:1100px;margin:0 auto;background:#020617;}\n.pl-wrap 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h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0;}\n.pl-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#cbd5e1;}\n@media(max-width:600px){.pl-hero h2{font-size:1.7em;}.pl-section,.pl-enc,.pl-cta,.pl-hero{padding-left:20px;padding-right:20px;}}\n\u003c\/style\u003e\n\u003cdiv class=\"pl-wrap\"\u003e\n\n\u003cdiv class=\"pl-hero\"\u003e\n\u003ch2\u003eProline X Vehicle Specific Series Enclosure for the Wavtech thinPRO 12\u003c\/h2\u003e\n\u003cp\u003eCut and tuned for the Wavtech thinPRO 12, built to drop into the 2015-2023 F-150, 2017-2023 F-250\u003c\/p\u003e\n\u003cdiv class=\"pl-badges\"\u003e\n\u003cspan class=\"pl-badge\"\u003eCNC Stack-Fab\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e0.60 cu ft Net\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eFits Wavtech thinPRO 12\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e2015-2023 F-150, 2017-2023 F-250\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-stats\"\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.60\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.913\u003c\/span\u003e\u003cspan class=\"l\"\u003esystem Qtc\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e38 Hz\u003c\/span\u003e\u003cspan class=\"l\"\u003eF3 rolloff\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e3.0 in\u003c\/span\u003e\u003cspan class=\"l\"\u003ethinPRO 12 mounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eBuilt Around the Wavtech thinPRO 12\u003c\/h3\u003e\n\u003cp\u003eNothing about this box is generic. Every layer is cut to the thinPRO 12's published sealed target, with the baffle bored to the thinPRO 12's 11.125 in cutout with 8\/32 threaded inserts set on the back face, and clearance cut for its 3.0 in mounting depth.\u003c\/p\u003e\n\u003cp\u003eThe thinPRO 12 carries a published \u003cstrong\u003eFs of 25 Hz, Qts of 0.49 and Vas of 42 litres\u003c\/strong\u003e, and an EBP of 45, which puts it in sealed enclosure territory. We ran the alignment math on that data and built the box to land where it belongs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eNet Volume, Not Gross\u003c\/h3\u003e\n\u003cp\u003eWe build this cabinet at \u003cstrong\u003e0.60 cubic feet net\u003c\/strong\u003e, against a published recommendation of 0.6 cu ft. The volume quoted is true net internal airspace, measured after the walls, bracing and driver displacement are accounted for.\u003c\/p\u003e\n\u003cdiv class=\"pl-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated by summing\neach CNC cut layer's opening, not estimated from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eProline X Vehicle Specific Series Construction\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is stack fabricated on our ShopSabre routers from Langboard Elite 3\/4 inch MDF,\na dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE.\nEach layer is cut to the cab profile and the stack does the joining. Dowel reinforcement runs between layers as tension hardware only, which is what lets the shell follow a behind seat contour without a corner joint in it.\u003c\/p\u003e\n\u003cdiv class=\"pl-grid\"\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eThreaded Inserts, Not Wood Screws\u003c\/h4\u003e\n\u003cp\u003e8\/32 threaded inserts are set on the backside of the baffle so the driver mounts on machine screws. Pull it a dozen times and the threads are still there.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired internally with \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. No CCA anywhere in the build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDamped and Finished\u003c\/h4\u003e\n\u003cp\u003ePolyfill is pre-installed to smooth the in box response, and the shell is wrapped in plush black carpet. Built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eEnclosure Only or Loaded\u003c\/h3\u003e\n\u003cp\u003eOrder the enclosure bare and mount your own thinPRO 12, or order it loaded and we mount the driver, dress the wiring and ship it ready to bolt in.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated\u003c\/h3\u003e\n\u003cp\u003eUsing the published Thiele Small parameters for the Wavtech thinPRO 12, here is the predicted Qtc,\nsystem resonance (Fc) and F3 rolloff for this enclosure. Calculated with the same formulas\nas the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\n\u003cdiv class=\"pl-enc-card\"\u003e\n\u003cdiv class=\"pl-enc-head\"\u003eWavtech thinPRO 12 thinPRO12-2  |  Qts 0.49  |  Fs 25 Hz  |  Vas 42 L\u003c\/div\u003e\n\u003ctable class=\"pl-enc-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Size\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pl-opt\"\u003e\n\u003ctd\u003e0.60 cu ft \u003cspan class=\"pl-char\"\u003eas built\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.913\u003c\/td\u003e\n\u003ctd\u003e46.6 Hz\u003c\/td\u003e\n\u003ctd\u003e38.3 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-graph\"\u003e\n\u003cp class=\"pl-graph-title\"\u003eWavtech thinPRO 12 Frequency Response | Sealed, 0.60 cu ft\u003c\/p\u003e\n\u003csvg viewbox=\"0 0 680 300\" 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sans-serif\"\u003e-6dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"117.6\" y2=\"117.6\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"121.6\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e-3dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"66.8\" y2=\"66.8\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"70.8\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e0dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"16.0\" y2=\"16.0\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"20.0\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e3dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"117.6\" y2=\"117.6\" stroke=\"#8b5cf6\" stroke-width=\"1.4\" stroke-dasharray=\"4 3\" opacity=\"0.85\"\u003e\u003c\/line\u003e\n\u003ctext x=\"660\" y=\"112.6\" text-anchor=\"end\" font-size=\"10\" fill=\"#a78bfa\" font-family=\"Arial, sans-serif\"\u003e-3dB\u003c\/text\u003e\n\u003cline x1=\"42.0\" x2=\"42.0\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"42.0\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e20Hz\u003c\/text\u003e\n\u003cline x1=\"135.1\" x2=\"135.1\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"135.1\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e30Hz\u003c\/text\u003e\n\u003cline x1=\"252.5\" x2=\"252.5\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"252.5\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e50Hz\u003c\/text\u003e\n\u003cline x1=\"411.7\" x2=\"411.7\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"411.7\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e100Hz\u003c\/text\u003e\n\u003cline x1=\"570.9\" x2=\"570.9\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"570.9\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e200Hz\u003c\/text\u003e\n\u003cline x1=\"664.0\" x2=\"664.0\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"664.0\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e300Hz\u003c\/text\u003e\n\u003crect x=\"42\" y=\"16\" width=\"622\" height=\"254\" fill=\"none\" stroke=\"#334155\" 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394.5,55.9 396.5,56.0 398.6,56.1 400.7,56.2 402.8,56.3 404.8,56.4 406.9,56.6 409.0,56.7 411.1,56.8 413.1,56.9 415.2,57.1 417.3,57.2 419.3,57.3 421.4,57.4 423.5,57.5 425.6,57.7 427.6,57.8 429.7,57.9 431.8,58.0 433.9,58.1 435.9,58.3 438.0,58.4 440.1,58.5 442.2,58.6 444.2,58.7 446.3,58.8 448.4,58.9 450.4,59.1 452.5,59.2 454.6,59.3 456.7,59.4 458.7,59.5 460.8,59.6 462.9,59.7 465.0,59.8 467.0,59.9 469.1,60.0 471.2,60.1 473.3,60.2 475.3,60.3 477.4,60.4 479.5,60.5 481.5,60.6 483.6,60.7 485.7,60.8 487.8,60.9 489.8,61.0 491.9,61.1 494.0,61.2 496.1,61.3 498.1,61.4 500.2,61.4 502.3,61.5 504.4,61.6 506.4,61.7 508.5,61.8 510.6,61.9 512.6,61.9 514.7,62.0 516.8,62.1 518.9,62.2 520.9,62.2 523.0,62.3 525.1,62.4 527.2,62.5 529.2,62.5 531.3,62.6 533.4,62.7 535.5,62.7 537.5,62.8 539.6,62.9 541.7,62.9 543.7,63.0 545.8,63.1 547.9,63.1 550.0,63.2 552.0,63.3 554.1,63.3 556.2,63.4 558.3,63.4 560.3,63.5 562.4,63.5 564.5,63.6 566.6,63.7 568.6,63.7 570.7,63.8 572.8,63.8 574.8,63.9 576.9,63.9 579.0,64.0 581.1,64.0 583.1,64.1 585.2,64.1 587.3,64.1 589.4,64.2 591.4,64.2 593.5,64.3 595.6,64.3 597.7,64.4 599.7,64.4 601.8,64.4 603.9,64.5 605.9,64.5 608.0,64.6 610.1,64.6 612.2,64.6 614.2,64.7 616.3,64.7 618.4,64.8 620.5,64.8 622.5,64.8 624.6,64.9 626.7,64.9 628.8,64.9 630.8,65.0 632.9,65.0 635.0,65.0 637.0,65.1 639.1,65.1 641.2,65.1 643.3,65.1 645.3,65.2 647.4,65.2 649.5,65.2 651.6,65.3 653.6,65.3 655.7,65.3 657.8,65.3 659.9,65.4 661.9,65.4 664.0,65.4\" fill=\"none\" stroke=\"#a78bfa\" stroke-width=\"2.4\" stroke-linejoin=\"round\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n\u003cdiv class=\"pl-legend\"\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#a78bfa;\"\u003e\u003c\/span\u003e0.60 cu ft (Qtc 0.913)\u003c\/span\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#8b5cf6;\"\u003e\u003c\/span\u003e-3dB reference\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-note\"\u003e\n\u003cp\u003e\u003cstrong style=\"color:#a78bfa;\"\u003eNote on coil choice:\u003c\/strong\u003e The figures above are the thinPRO12-2 set. The thinPRO12-4 carries Qts 0.46 and Vas 42 litres, and a different Fs of 26 Hz, which in this same 0.60 cubic foot volume lands at \u003cstrong\u003eQtc 0.857, Fc 48.4 Hz and F3 41.4 Hz\u003c\/strong\u003e. Worth accounting for if you are choosing between the two. \u003ca class=\"pl-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eSelect your configuration above. This enclosure ships free to the lower 48 with a 2 year limited warranty, built one at a time in Tullahoma, Tennessee. Ordered loaded, the thinPRO 12 carries its own 1 year manufacturer warranty through authorized dealers.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Single 2 ohm","offer_id":42327034200153,"sku":"VS FD1 12-S WAV S2","price":1099.99,"currency_code":"USD","in_stock":true},{"title":"Single 4 ohm","offer_id":42327034232921,"sku":"VS FD1 12-S WAV S4","price":1099.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/2015-2023-ford-f-150-2017-2023-f-250-direct-fit-ford-series-loaded-subwoofer-enclosure-wavtech-thinpro12proline-x-112501.jpg?v=1761970462"},{"product_id":"proline-x-micro-series-sealed-dual-12-enclosure-loaded-wavtech-thinpro-12","title":"Proline X Dual 12\" Sealed Micro Series System | Loaded with Wavtech thinPRO12","description":"\u003cstyle\u003e\n.pl-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#cbd5e1;max-width:1100px;margin:0 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td{background:#2e1065;color:#fff;font-weight:600;}\n.pl-char{display:block;font-size:.78em;color:#94a3b8;font-weight:400;margin-top:2px;}\n.pl-opt .pl-char{color:#c4b5fd;}\n.pl-graph{background:#020617;border:1px solid #334155;border-radius:8px;padding:14px;margin:18px 0;}\n.pl-graph-title{font-size:.78em;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#94a3b8;margin:0 0 10px;}\n.pl-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;}\n.pl-legend-item{display:flex;align-items:center;gap:6px;font-size:12px;color:#94a3b8;}\n.pl-sw{width:22px;height:3px;border-radius:2px;display:inline-block;}\n.pl-note{background:#1e293b;border:1px solid #334155;border-radius:8px;padding:14px 16px;margin-top:6px;}\n.pl-note p{margin:0;color:#cbd5e1;font-size:13.5px;line-height:1.6;}\n.pl-link{color:#a78bfa;text-decoration:underline;}\n.pl-cta{background:linear-gradient(135deg,#020617 0%,#2e1065 100%);padding:40px 36px;text-align:center;color:#fff;}\n.pl-cta h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0;}\n.pl-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#cbd5e1;}\n@media(max-width:600px){.pl-hero h2{font-size:1.7em;}.pl-section,.pl-enc,.pl-cta,.pl-hero{padding-left:20px;padding-right:20px;}}\n\u003c\/style\u003e\n\u003cdiv class=\"pl-wrap\"\u003e\n\n\u003cdiv class=\"pl-hero\"\u003e\n\u003ch2\u003eProline X Micro Series Enclosure for the Wavtech thinPRO 12\u003c\/h2\u003e\n\u003cp\u003eCut and tuned for a pair of Wavtech thinPRO 12 drivers\u003c\/p\u003e\n\u003cdiv class=\"pl-badges\"\u003e\n\u003cspan class=\"pl-badge\"\u003eCNC Stack-Fab\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e1.20 cu ft Net\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eFits Wavtech thinPRO 12\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-stats\"\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e1.20\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.857\u003c\/span\u003e\u003cspan class=\"l\"\u003esystem Qtc\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e41.4 Hz\u003c\/span\u003e\u003cspan class=\"l\"\u003eF3 rolloff\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e3.0 in\u003c\/span\u003e\u003cspan class=\"l\"\u003ethinPRO 12 mounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eBuilt Around the Wavtech thinPRO 12\u003c\/h3\u003e\n\u003cp\u003eNothing about this box is generic. Every layer is cut to the thinPRO 12's published sealed target, with the baffle bored to the thinPRO 12's 11.125 in cutout with 8\/32 threaded inserts set on the back face, and clearance cut for its 3.0 in mounting depth.\u003c\/p\u003e\n\u003cp\u003eThe thinPRO 12 carries a published \u003cstrong\u003eFs of 25 Hz, Qts of 0.49 and Vas of 42 litres\u003c\/strong\u003e, and an EBP of 45, which puts it in sealed enclosure territory. We ran the alignment math on that data and built the box to land where it belongs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eTwo Drivers, Two Sealed Chambers\u003c\/h3\u003e\n\u003cp\u003eA full divider splits this cabinet down the middle. Each thinPRO 12 gets its own \u003cstrong\u003e0.60 cubic foot\u003c\/strong\u003e sealed volume, 1.20 cubic feet total. Neither driver sees the other's back pressure, so the pair behaves like two matched single builds rather than one shared chamber.\u003c\/p\u003e\n\u003cdiv class=\"pl-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated by summing\neach CNC cut layer's opening, not estimated from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eProline X Micro Series Construction\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is stack fabricated on our ShopSabre routers from Langboard Elite 3\/4 inch MDF,\na dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE.\nEvery layer is a precision cut ring and the stacked layers do the joining themselves, so there is no butt joint or dado to flex or leak. Dowel reinforcement runs between layers as tension hardware only.\u003c\/p\u003e\n\u003cdiv class=\"pl-grid\"\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eThreaded Inserts, Not Wood Screws\u003c\/h4\u003e\n\u003cp\u003e8\/32 threaded inserts are set on the backside of the baffle so the driver mounts on machine screws. Pull it a dozen times and the threads are still there.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired internally with \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. No CCA anywhere in the build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDamped and Finished\u003c\/h4\u003e\n\u003cp\u003ePolyfill is pre-installed to smooth the in box response, and the shell is wrapped in plush black carpet. Built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eEnclosure Only or Loaded\u003c\/h3\u003e\n\u003cp\u003eOrder the enclosure bare and mount your own pair of thinPRO 12 drivers, or order it loaded and we mount the drivers, dress the wiring and ship it ready to bolt in.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated\u003c\/h3\u003e\n\u003cp\u003eUsing the published Thiele Small parameters for the Wavtech thinPRO 12, here is the predicted Qtc,\nsystem resonance (Fc) and F3 rolloff for this enclosure. Calculated with the same formulas\nas the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\n\u003cdiv class=\"pl-enc-card\"\u003e\n\u003cdiv class=\"pl-enc-head\"\u003eWavtech thinPRO 12 thinPRO12-2  |  Qts 0.49  |  Fs 25 Hz  |  Vas 42 L\u003c\/div\u003e\n\u003ctable class=\"pl-enc-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Size\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pl-opt\"\u003e\n\u003ctd\u003e0.60 cu ft \u003cspan class=\"pl-char\"\u003eper chamber, 1.20 cu ft total\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.913\u003c\/td\u003e\n\u003ctd\u003e46.6 Hz\u003c\/td\u003e\n\u003ctd\u003e38.3 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-graph\"\u003e\n\u003cp class=\"pl-graph-title\"\u003eWavtech thinPRO 12 Frequency Response | Sealed, 0.60 cu ft\u003c\/p\u003e\n\u003csvg viewbox=\"0 0 680 300\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:100%;height:auto;display:block;\"\u003e\n\u003crect x=\"0\" y=\"0\" width=\"680\" height=\"300\" fill=\"#0f172a\"\u003e\u003c\/rect\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"270.0\" y2=\"270.0\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"274.0\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e-12dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"219.2\" y2=\"219.2\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"223.2\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e-9dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"168.4\" y2=\"168.4\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"172.4\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e-6dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"117.6\" y2=\"117.6\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"121.6\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e-3dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"66.8\" y2=\"66.8\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"70.8\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e0dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"16.0\" y2=\"16.0\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"20.0\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e3dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"117.6\" y2=\"117.6\" stroke=\"#8b5cf6\" stroke-width=\"1.4\" stroke-dasharray=\"4 3\" opacity=\"0.85\"\u003e\u003c\/line\u003e\n\u003ctext x=\"660\" y=\"112.6\" text-anchor=\"end\" font-size=\"10\" fill=\"#a78bfa\" font-family=\"Arial, sans-serif\"\u003e-3dB\u003c\/text\u003e\n\u003cline x1=\"42.0\" x2=\"42.0\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"42.0\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e20Hz\u003c\/text\u003e\n\u003cline x1=\"135.1\" x2=\"135.1\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"135.1\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e30Hz\u003c\/text\u003e\n\u003cline x1=\"252.5\" x2=\"252.5\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"252.5\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e50Hz\u003c\/text\u003e\n\u003cline x1=\"411.7\" x2=\"411.7\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"411.7\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e100Hz\u003c\/text\u003e\n\u003cline x1=\"570.9\" x2=\"570.9\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"570.9\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e200Hz\u003c\/text\u003e\n\u003cline x1=\"664.0\" x2=\"664.0\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"664.0\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e300Hz\u003c\/text\u003e\n\u003crect x=\"42\" y=\"16\" width=\"622\" height=\"254\" fill=\"none\" stroke=\"#334155\" 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207.9,102.0 209.9,100.2 212.0,98.4 214.1,96.6 216.2,94.9 218.2,93.2 220.3,91.5 222.4,89.9 224.5,88.3 226.5,86.8 228.6,85.3 230.7,83.9 232.7,82.4 234.8,81.1 236.9,79.7 239.0,78.4 241.0,77.2 243.1,76.0 245.2,74.8 247.3,73.7 249.3,72.6 251.4,71.5 253.5,70.5 255.6,69.5 257.6,68.6 259.7,67.7 261.8,66.8 263.8,66.0 265.9,65.2 268.0,64.4 270.1,63.7 272.1,63.0 274.2,62.3 276.3,61.7 278.4,61.1 280.4,60.5 282.5,60.0 284.6,59.5 286.7,59.0 288.7,58.6 290.8,58.1 292.9,57.7 294.9,57.4 297.0,57.0 299.1,56.7 301.2,56.4 303.2,56.1 305.3,55.8 307.4,55.6 309.5,55.4 311.5,55.2 313.6,55.0 315.7,54.8 317.8,54.7 319.8,54.6 321.9,54.4 324.0,54.3 326.0,54.2 328.1,54.2 330.2,54.1 332.3,54.1 334.3,54.0 336.4,54.0 338.5,54.0 340.6,54.0 342.6,54.0 344.7,54.0 346.8,54.0 348.9,54.0 350.9,54.1 353.0,54.1 355.1,54.1 357.1,54.2 359.2,54.3 361.3,54.3 363.4,54.4 365.4,54.5 367.5,54.5 369.6,54.6 371.7,54.7 373.7,54.8 375.8,54.9 377.9,55.0 380.0,55.1 382.0,55.2 384.1,55.3 386.2,55.4 388.2,55.5 390.3,55.6 392.4,55.7 394.5,55.9 396.5,56.0 398.6,56.1 400.7,56.2 402.8,56.3 404.8,56.4 406.9,56.6 409.0,56.7 411.1,56.8 413.1,56.9 415.2,57.1 417.3,57.2 419.3,57.3 421.4,57.4 423.5,57.5 425.6,57.7 427.6,57.8 429.7,57.9 431.8,58.0 433.9,58.1 435.9,58.3 438.0,58.4 440.1,58.5 442.2,58.6 444.2,58.7 446.3,58.8 448.4,58.9 450.4,59.1 452.5,59.2 454.6,59.3 456.7,59.4 458.7,59.5 460.8,59.6 462.9,59.7 465.0,59.8 467.0,59.9 469.1,60.0 471.2,60.1 473.3,60.2 475.3,60.3 477.4,60.4 479.5,60.5 481.5,60.6 483.6,60.7 485.7,60.8 487.8,60.9 489.8,61.0 491.9,61.1 494.0,61.2 496.1,61.3 498.1,61.4 500.2,61.4 502.3,61.5 504.4,61.6 506.4,61.7 508.5,61.8 510.6,61.9 512.6,61.9 514.7,62.0 516.8,62.1 518.9,62.2 520.9,62.2 523.0,62.3 525.1,62.4 527.2,62.5 529.2,62.5 531.3,62.6 533.4,62.7 535.5,62.7 537.5,62.8 539.6,62.9 541.7,62.9 543.7,63.0 545.8,63.1 547.9,63.1 550.0,63.2 552.0,63.3 554.1,63.3 556.2,63.4 558.3,63.4 560.3,63.5 562.4,63.5 564.5,63.6 566.6,63.7 568.6,63.7 570.7,63.8 572.8,63.8 574.8,63.9 576.9,63.9 579.0,64.0 581.1,64.0 583.1,64.1 585.2,64.1 587.3,64.1 589.4,64.2 591.4,64.2 593.5,64.3 595.6,64.3 597.7,64.4 599.7,64.4 601.8,64.4 603.9,64.5 605.9,64.5 608.0,64.6 610.1,64.6 612.2,64.6 614.2,64.7 616.3,64.7 618.4,64.8 620.5,64.8 622.5,64.8 624.6,64.9 626.7,64.9 628.8,64.9 630.8,65.0 632.9,65.0 635.0,65.0 637.0,65.1 639.1,65.1 641.2,65.1 643.3,65.1 645.3,65.2 647.4,65.2 649.5,65.2 651.6,65.3 653.6,65.3 655.7,65.3 657.8,65.3 659.9,65.4 661.9,65.4 664.0,65.4\" fill=\"none\" stroke=\"#a78bfa\" stroke-width=\"2.4\" stroke-linejoin=\"round\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n\u003cdiv class=\"pl-legend\"\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#a78bfa;\"\u003e\u003c\/span\u003e0.60 cu ft (Qtc 0.857)\u003c\/span\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#8b5cf6;\"\u003e\u003c\/span\u003e-3dB reference\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-note\"\u003e\n\u003cp\u003e\u003cstrong style=\"color:#a78bfa;\"\u003eNote on coil choice:\u003c\/strong\u003e The figures above are the thinPRO12-2 set. The thinPRO12-4 carries Qts 0.46 and Vas 42 litres, and a different Fs of 26 Hz, which in this same 0.60 cubic foot volume lands at \u003cstrong\u003eQtc 0.857, Fc 48.4 Hz and F3 41.4 Hz\u003c\/strong\u003e. Worth accounting for if you are choosing between the two. \u003ca class=\"pl-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eSelect your configuration above. This enclosure ships free to the lower 48 with a 2 year limited warranty, built one at a time in Tullahoma, Tennessee. Ordered loaded, the thinPRO 12 carries its own 1 year manufacturer warranty through authorized dealers.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"4 ohm \/ No Thanks","offer_id":42347678236761,"sku":"M12D-S Wav Loaded 4ohm Final","price":1799.99,"currency_code":"USD","in_stock":true},{"title":"4 ohm \/ Yes- Contact me for details","offer_id":42347680104537,"sku":"Micro 12D-S thinPRO12 4ohm","price":1899.99,"currency_code":"USD","in_stock":false},{"title":"2 ohm \/ No Thanks","offer_id":42347678269529,"sku":"M12D-S Wav Loaded 2ohm final","price":1799.99,"currency_code":"USD","in_stock":false},{"title":"2 ohm \/ Yes- Contact me for details","offer_id":42347680137305,"sku":"Micro 12D-S thinPRO12 2ohm","price":1899.99,"currency_code":"USD","in_stock":false},{"title":"1 ohm \/ No Thanks","offer_id":42347678302297,"sku":"M12D-S Wav Loaded 1 ohm final","price":1799.99,"currency_code":"USD","in_stock":true},{"title":"1 ohm \/ Yes- Contact me for details","offer_id":42347680170073,"sku":"Micro 12D-S thinPRO12 1ohm","price":1899.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/loaded-dual-wavtech-thinpro12-subwoofers-proline-x-micro-series-sealed-enclosureenclosed-subwooferaudio-intensity-504909.jpg?v=1761970494"},{"product_id":"proline-x-micro-series-sealed-12-enclosure-loaded-wavtech-thinpro-12","title":"Proline X Single 12\" Sealed Micro Series System | Loaded with Wavtech thinPRO12","description":"\u003cstyle\u003e\n.pl-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#cbd5e1;max-width:1100px;margin:0 auto;background:#020617;}\n.pl-wrap *{box-sizing:border-box;}\n.pl-hero{background:linear-gradient(135deg,#020617 0%,#2e1065 100%);padding:54px 36px;text-align:center;color:#fff;}\n.pl-hero h2{font-size:2.3em;font-weight:800;text-transform:uppercase;letter-spacing:1.5px;margin:0 0 12px;color:#fff;}\n.pl-hero 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10px;}\n.pl-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;}\n.pl-legend-item{display:flex;align-items:center;gap:6px;font-size:12px;color:#94a3b8;}\n.pl-sw{width:22px;height:3px;border-radius:2px;display:inline-block;}\n.pl-note{background:#1e293b;border:1px solid #334155;border-radius:8px;padding:14px 16px;margin-top:6px;}\n.pl-note p{margin:0;color:#cbd5e1;font-size:13.5px;line-height:1.6;}\n.pl-link{color:#a78bfa;text-decoration:underline;}\n.pl-cta{background:linear-gradient(135deg,#020617 0%,#2e1065 100%);padding:40px 36px;text-align:center;color:#fff;}\n.pl-cta h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0;}\n.pl-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#cbd5e1;}\n@media(max-width:600px){.pl-hero h2{font-size:1.7em;}.pl-section,.pl-enc,.pl-cta,.pl-hero{padding-left:20px;padding-right:20px;}}\n\u003c\/style\u003e\n\u003cdiv class=\"pl-wrap\"\u003e\n\n\u003cdiv class=\"pl-hero\"\u003e\n\u003ch2\u003eProline X Micro Series Enclosure for the Wavtech thinPRO 12\u003c\/h2\u003e\n\u003cp\u003eCut and tuned for the Wavtech thinPRO 12\u003c\/p\u003e\n\u003cdiv class=\"pl-badges\"\u003e\n\u003cspan class=\"pl-badge\"\u003eCNC Stack-Fab\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e0.60 cu ft Net\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eFits Wavtech thinPRO 12\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-stats\"\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.60\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.857\u003c\/span\u003e\u003cspan class=\"l\"\u003esystem Qtc\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e41.4 Hz\u003c\/span\u003e\u003cspan class=\"l\"\u003eF3 rolloff\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e3.0 in\u003c\/span\u003e\u003cspan class=\"l\"\u003ethinPRO 12 mounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eBuilt Around the Wavtech thinPRO 12\u003c\/h3\u003e\n\u003cp\u003eNothing about this box is generic. Every layer is cut to the thinPRO 12's published sealed target, with the baffle bored to the thinPRO 12's 11.125 in cutout with 8\/32 threaded inserts set on the back face, and clearance cut for its 3.0 in mounting depth.\u003c\/p\u003e\n\u003cp\u003eThe thinPRO 12 carries a published \u003cstrong\u003eFs of 25 Hz, Qts of 0.49 and Vas of 42 litres\u003c\/strong\u003e, and an EBP of 45, which puts it in sealed enclosure territory. We ran the alignment math on that data and built the box to land where it belongs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eNet Volume, Not Gross\u003c\/h3\u003e\n\u003cp\u003eWe build this cabinet at \u003cstrong\u003e0.60 cubic feet net\u003c\/strong\u003e, against a published recommendation of 0.6 cu ft. The volume quoted is true net internal airspace, measured after the walls, bracing and driver displacement are accounted for.\u003c\/p\u003e\n\u003cdiv class=\"pl-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated by summing\neach CNC cut layer's opening, not estimated from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eProline X Micro Series Construction\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is stack fabricated on our ShopSabre routers from Langboard Elite 3\/4 inch MDF,\na dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE.\nEvery layer is a precision cut ring and the stacked layers do the joining themselves, so there is no butt joint or dado to flex or leak. Dowel reinforcement runs between layers as tension hardware only.\u003c\/p\u003e\n\u003cdiv class=\"pl-grid\"\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eThreaded Inserts, Not Wood Screws\u003c\/h4\u003e\n\u003cp\u003e8\/32 threaded inserts are set on the backside of the baffle so the driver mounts on machine screws. Pull it a dozen times and the threads are still there.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired internally with \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. No CCA anywhere in the build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDamped and Finished\u003c\/h4\u003e\n\u003cp\u003ePolyfill is pre-installed to smooth the in box response, and the shell is wrapped in plush black carpet. Built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eEnclosure Only or Loaded\u003c\/h3\u003e\n\u003cp\u003eOrder the enclosure bare and mount your own thinPRO 12, or order it loaded and we mount the driver, dress the wiring and ship it ready to bolt in.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated\u003c\/h3\u003e\n\u003cp\u003eUsing the published Thiele Small parameters for the Wavtech thinPRO 12, here is the predicted Qtc,\nsystem resonance (Fc) and F3 rolloff for this enclosure. Calculated with the same formulas\nas the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\n\u003cdiv class=\"pl-enc-card\"\u003e\n\u003cdiv class=\"pl-enc-head\"\u003eWavtech thinPRO 12 thinPRO12-2  |  Qts 0.49  |  Fs 25 Hz  |  Vas 42 L\u003c\/div\u003e\n\u003ctable class=\"pl-enc-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Size\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pl-opt\"\u003e\n\u003ctd\u003e0.60 cu ft \u003cspan class=\"pl-char\"\u003eas built\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.913\u003c\/td\u003e\n\u003ctd\u003e46.6 Hz\u003c\/td\u003e\n\u003ctd\u003e38.3 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-graph\"\u003e\n\u003cp class=\"pl-graph-title\"\u003eWavtech thinPRO 12 Frequency Response | Sealed, 0.60 cu ft\u003c\/p\u003e\n\u003csvg viewbox=\"0 0 680 300\" 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583.1,64.1 585.2,64.1 587.3,64.1 589.4,64.2 591.4,64.2 593.5,64.3 595.6,64.3 597.7,64.4 599.7,64.4 601.8,64.4 603.9,64.5 605.9,64.5 608.0,64.6 610.1,64.6 612.2,64.6 614.2,64.7 616.3,64.7 618.4,64.8 620.5,64.8 622.5,64.8 624.6,64.9 626.7,64.9 628.8,64.9 630.8,65.0 632.9,65.0 635.0,65.0 637.0,65.1 639.1,65.1 641.2,65.1 643.3,65.1 645.3,65.2 647.4,65.2 649.5,65.2 651.6,65.3 653.6,65.3 655.7,65.3 657.8,65.3 659.9,65.4 661.9,65.4 664.0,65.4\" fill=\"none\" stroke=\"#a78bfa\" stroke-width=\"2.4\" stroke-linejoin=\"round\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n\u003cdiv class=\"pl-legend\"\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#a78bfa;\"\u003e\u003c\/span\u003e0.60 cu ft (Qtc 0.857)\u003c\/span\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#8b5cf6;\"\u003e\u003c\/span\u003e-3dB reference\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-note\"\u003e\n\u003cp\u003e\u003cstrong style=\"color:#a78bfa;\"\u003eNote on coil choice:\u003c\/strong\u003e The figures above are the thinPRO12-2 set. The thinPRO12-4 carries Qts 0.46 and Vas 42 litres, and a different Fs of 26 Hz, which in this same 0.60 cubic foot volume lands at \u003cstrong\u003eQtc 0.857, Fc 48.4 Hz and F3 41.4 Hz\u003c\/strong\u003e. Worth accounting for if you are choosing between the two. \u003ca class=\"pl-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eSelect your configuration above. This enclosure ships free to the lower 48 with a 2 year limited warranty, built one at a time in Tullahoma, Tennessee. Ordered loaded, the thinPRO 12 carries its own 1 year manufacturer warranty through authorized dealers.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"4 ohm","offer_id":42349748093017,"sku":"M12-S WAV S4","price":899.99,"currency_code":"USD","in_stock":false},{"title":"2 ohm","offer_id":42349748158553,"sku":"M12-S WAV S2","price":899.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-loaded-micro-series-sealed-enclosure-wavtech-thinpro12-subwooferenclosed-subwooferproline-x-4562595.jpg?v=1764960271"},{"product_id":"2015-2023-ford-f150-f250-behind-seat-single-10-enclosure-loaded-alpine-rsw10d4","title":"2024-2026 Ford F-150\/F-250 Behind-Seat Single 10\" Enclosure – Loaded with Alpine RSW10","description":"\u003cstyle\u003e\n.pl-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#cbd5e1;max-width:1100px;margin:0 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h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0;}\n.pl-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#cbd5e1;}\n@media(max-width:600px){.pl-hero h2{font-size:1.7em;}.pl-section,.pl-enc,.pl-cta,.pl-hero{padding-left:20px;padding-right:20px;}}\n\u003c\/style\u003e\n\u003cdiv class=\"pl-wrap\"\u003e\n\n\u003cdiv class=\"pl-hero\"\u003e\n\u003ch2\u003eProline X Vehicle Specific Series Enclosure for the Alpine RS-W10D4\u003c\/h2\u003e\n\u003cp\u003eCut and tuned for the Alpine RS-W10D4, built to drop into the 2015-2023 F-150, 2017-2023 F-250\u003c\/p\u003e\n\u003cdiv class=\"pl-badges\"\u003e\n\u003cspan class=\"pl-badge\"\u003eCNC Stack-Fab\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e0.50 cu ft Net\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eFits Alpine RS-W10D4\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e2015-2023 F-150, 2017-2023 F-250\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-stats\"\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.50\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e1.937\u003c\/span\u003e\u003cspan class=\"l\"\u003esystem Qtc\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e34 Hz\u003c\/span\u003e\u003cspan class=\"l\"\u003eF3 rolloff\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e3.25 in\u003c\/span\u003e\u003cspan class=\"l\"\u003eRS-W10D4 mounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/Overview_-_visual_selection.png?v=1746500510\" alt=\"Alpine Subwoofer Features\" style=\"max-width:100%;height:auto;border-radius:8px;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eBuilt Around the Alpine RS-W10D4\u003c\/h3\u003e\n\u003cp\u003eNothing about this box is generic. Every layer is cut to the RS-W10D4's published sealed target, with clearance cut for its 3.25 in mounting depth.\u003c\/p\u003e\n\u003cp\u003eThe RS-W10D4 carries a published \u003cstrong\u003eFs of 31 Hz, Qts of 1.19 and Vas of 23.35 litres\u003c\/strong\u003e, and an EBP of 21, which puts it in sealed enclosure territory. We ran the alignment math on that data and built the box to land where it belongs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eNet Volume, Not Gross\u003c\/h3\u003e\n\u003cp\u003eWe build this cabinet at \u003cstrong\u003e0.50 cubic feet net\u003c\/strong\u003e, against a published recommendation of 0.45 to 1.0 cu ft. The volume quoted is true net internal airspace, measured after the walls, bracing and driver displacement are accounted for.\u003c\/p\u003e\n\u003cdiv class=\"pl-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated by summing\neach CNC cut layer's opening, not estimated from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eProline X Vehicle Specific Series Construction\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is stack fabricated on our ShopSabre routers from Langboard Elite 3\/4 inch MDF,\na dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE.\nEach layer is cut to the cab profile and the stack does the joining. Dowel reinforcement runs between layers as tension hardware only, which is what lets the shell follow a behind seat contour without a corner joint in it.\u003c\/p\u003e\n\u003cdiv class=\"pl-grid\"\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eThreaded Inserts, Not Wood Screws\u003c\/h4\u003e\n\u003cp\u003e8\/32 threaded inserts are set on the backside of the baffle so the driver mounts on machine screws. Pull it a dozen times and the threads are still there.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired internally with \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. No CCA anywhere in the build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDamped and Finished\u003c\/h4\u003e\n\u003cp\u003ePolyfill is pre-installed to smooth the in box response, and the shell is wrapped in plush black carpet. Built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eEnclosure Only or Loaded\u003c\/h3\u003e\n\u003cp\u003eOrder the enclosure bare and mount your own RS-W10D4, or order it loaded and we mount the driver, dress the wiring and ship it ready to bolt in.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated\u003c\/h3\u003e\n\u003cp\u003eUsing the published Thiele Small parameters for the Alpine RS-W10D4, here is the predicted Qtc,\nsystem resonance (Fc) and F3 rolloff for this enclosure. Calculated with the same formulas\nas the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\n\u003cdiv class=\"pl-enc-card\"\u003e\n\u003cdiv class=\"pl-enc-head\"\u003eAlpine RS-W10D4 4 ohm + 4 ohm  |  Qts 1.19  |  Fs 31 Hz  |  Vas 23.35 L\u003c\/div\u003e\n\u003ctable class=\"pl-enc-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Size\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pl-opt\"\u003e\n\u003ctd\u003e0.50 cu ft \u003cspan class=\"pl-char\"\u003eas built\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.937\u003c\/td\u003e\n\u003ctd\u003e50.5 Hz\u003c\/td\u003e\n\u003ctd\u003e34.1 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-graph\"\u003e\n\u003cp class=\"pl-graph-title\"\u003eAlpine RS-W10D4 Frequency Response | Sealed, 0.50 cu ft\u003c\/p\u003e\n\u003csvg viewbox=\"0 0 680 300\" 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587.3,59.7 589.4,59.8 591.4,59.9 593.5,60.0 595.6,60.2 597.7,60.3 599.7,60.4 601.8,60.5 603.9,60.6 605.9,60.7 608.0,60.9 610.1,61.0 612.2,61.1 614.2,61.2 616.3,61.3 618.4,61.4 620.5,61.5 622.5,61.6 624.6,61.7 626.7,61.8 628.8,61.8 630.8,61.9 632.9,62.0 635.0,62.1 637.0,62.2 639.1,62.3 641.2,62.4 643.3,62.4 645.3,62.5 647.4,62.6 649.5,62.7 651.6,62.7 653.6,62.8 655.7,62.9 657.8,63.0 659.9,63.0 661.9,63.1 664.0,63.2\" fill=\"none\" stroke=\"#a78bfa\" stroke-width=\"2.4\" stroke-linejoin=\"round\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n\u003cdiv class=\"pl-legend\"\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#a78bfa;\"\u003e\u003c\/span\u003e0.50 cu ft (Qtc 1.937)\u003c\/span\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#8b5cf6;\"\u003e\u003c\/span\u003e-3dB reference\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-note\"\u003e\u003cp\u003e\u003cstrong style=\"color:#a78bfa;\"\u003eNote on this alignment:\u003c\/strong\u003e Alpine publishes a Qts of 1.19 for the RS-W10D4, which is high for a sealed application. In 0.50 cubic feet that produces a rise around system resonance rather than a flat response, along with an F3 of 34.1 Hz. Alpine's own sealed recommendation for this driver is 0.45 to 1.0 cubic feet, and the figure stays above 1.6 across that whole range. The numbers above are calculated straight from Alpine's published parameters, not adjusted. \u003ca class=\"pl-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eSelect your configuration above. This enclosure ships free to the lower 48 with a 2 year limited warranty, built one at a time in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":42349773652057,"sku":"VS FD2 10-S ALP","price":999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-micro-series-dual-15-sealed-enclosure-built-for-resonix-gus-15subwoofer-enclosuresproline-x-9360178_5a3a56c6-b6b2-4fc4-a184-efedfe5b9c07.jpg?v=1789013110"},{"product_id":"proline-x-micro-series-sealed-10-enclosure-loaded-jl-audio-10tw3-d4","title":"Proline X Single 10\" Sealed Micro Series System | Loaded with JL Audio 10TW3","description":"\u003cstyle\u003e\n.pl-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#cbd5e1;max-width:1100px;margin:0 auto;background:#020617;}\n.pl-wrap 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h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0;}\n.pl-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#cbd5e1;}\n@media(max-width:600px){.pl-hero h2{font-size:1.7em;}.pl-section,.pl-enc,.pl-cta,.pl-hero{padding-left:20px;padding-right:20px;}}\n\u003c\/style\u003e\n\u003cdiv class=\"pl-wrap\"\u003e\n\n\u003cdiv class=\"pl-hero\"\u003e\n\u003ch2\u003eProline X Micro Series Enclosure for the JL Audio 10TW3-D4\u003c\/h2\u003e\n\u003cp\u003eCut and tuned for the JL Audio 10TW3-D4\u003c\/p\u003e\n\u003cdiv class=\"pl-badges\"\u003e\n\u003cspan class=\"pl-badge\"\u003eCNC Stack-Fab\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e0.50 cu ft Net\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eFits JL Audio 10TW3-D4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-stats\"\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.50\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.960\u003c\/span\u003e\u003cspan class=\"l\"\u003esystem Qtc\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e40.1 Hz\u003c\/span\u003e\u003cspan class=\"l\"\u003eF3 rolloff\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e3.25 in\u003c\/span\u003e\u003cspan class=\"l\"\u003e10TW3-D4 mounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/JL_Audio_10TW3-D4_in_Proline_X_Micro_Series_Enclosure_-_Stack_fab_II_600x600.jpg?v=1747715220\" alt=\"JL Audio 10TW3-D4 in Proline X Micro Series Enclosure - Stackfab II\" style=\"max-width:100%;height:auto;border-radius:8px;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eBuilt Around the JL Audio 10TW3-D4\u003c\/h3\u003e\n\u003cp\u003eNothing about this box is generic. Every layer is cut to the 10TW3-D4's published sealed target, with the baffle bored to the 10TW3-D4's 9.625 in cutout with 8\/32 threaded inserts set on the back face, and clearance cut for its 3.25 in mounting depth.\u003c\/p\u003e\n\u003cp\u003eThe 10TW3-D4 carries a published \u003cstrong\u003eFs of 32.3 Hz, Qts of 0.62 and Vas of 19.82 litres\u003c\/strong\u003e, and an EBP of 49, which puts it in sealed enclosure territory. We ran the alignment math on that data and built the box to land where it belongs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eNet Volume, Not Gross\u003c\/h3\u003e\n\u003cp\u003eWe build this cabinet at \u003cstrong\u003e0.50 cubic feet net\u003c\/strong\u003e, against a published recommendation of 0.50 cu ft. The volume quoted is true net internal airspace, measured after the walls, bracing and driver displacement are accounted for.\u003c\/p\u003e\n\u003cdiv class=\"pl-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated by summing\neach CNC cut layer's opening, not estimated from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eProline X Micro Series Construction\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is stack fabricated on our ShopSabre routers from Langboard Elite 3\/4 inch MDF,\na dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE.\nEvery layer is a precision cut ring and the stacked layers do the joining themselves, so there is no butt joint or dado to flex or leak. Dowel reinforcement runs between layers as tension hardware only.\u003c\/p\u003e\n\u003cdiv class=\"pl-grid\"\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eThreaded Inserts, Not Wood Screws\u003c\/h4\u003e\n\u003cp\u003e8\/32 threaded inserts are set on the backside of the baffle so the driver mounts on machine screws. Pull it a dozen times and the threads are still there.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired internally with \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. No CCA anywhere in the build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDamped and Finished\u003c\/h4\u003e\n\u003cp\u003ePolyfill is pre-installed to smooth the in box response, and the shell is wrapped in plush black carpet. Built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eEnclosure Only or Loaded\u003c\/h3\u003e\n\u003cp\u003eOrder the enclosure bare and mount your own 10TW3-D4, or order it loaded and we mount the driver, dress the wiring and ship it ready to bolt in.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated\u003c\/h3\u003e\n\u003cp\u003eUsing the published Thiele Small parameters for the JL Audio 10TW3-D4, here is the predicted Qtc,\nsystem resonance (Fc) and F3 rolloff for this enclosure. Calculated with the same formulas\nas the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\n\u003cdiv class=\"pl-enc-card\"\u003e\n\u003cdiv class=\"pl-enc-head\"\u003eJL Audio 10TW3-D4 D2  |  Qts 0.62  |  Fs 32.3 Hz  |  Vas 19.82 L\u003c\/div\u003e\n\u003ctable class=\"pl-enc-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Size\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pl-opt\"\u003e\n\u003ctd\u003e0.50 cu ft \u003cspan class=\"pl-char\"\u003eas built\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.960\u003c\/td\u003e\n\u003ctd\u003e50.0 Hz\u003c\/td\u003e\n\u003ctd\u003e40.1 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-graph\"\u003e\n\u003cp class=\"pl-graph-title\"\u003eJL Audio 10TW3-D4 Frequency Response | Sealed, 0.50 cu ft\u003c\/p\u003e\n\u003csvg viewbox=\"0 0 680 300\" 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sans-serif\"\u003e-6dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"117.6\" y2=\"117.6\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"121.6\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e-3dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"66.8\" y2=\"66.8\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"70.8\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e0dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"16.0\" y2=\"16.0\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"20.0\" text-anchor=\"end\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e3dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"117.6\" y2=\"117.6\" stroke=\"#8b5cf6\" stroke-width=\"1.4\" stroke-dasharray=\"4 3\" opacity=\"0.85\"\u003e\u003c\/line\u003e\n\u003ctext x=\"660\" y=\"112.6\" text-anchor=\"end\" font-size=\"10\" fill=\"#a78bfa\" font-family=\"Arial, sans-serif\"\u003e-3dB\u003c\/text\u003e\n\u003cline x1=\"42.0\" x2=\"42.0\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"42.0\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e20Hz\u003c\/text\u003e\n\u003cline x1=\"135.1\" x2=\"135.1\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"135.1\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e30Hz\u003c\/text\u003e\n\u003cline x1=\"252.5\" x2=\"252.5\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"252.5\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e50Hz\u003c\/text\u003e\n\u003cline x1=\"411.7\" x2=\"411.7\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"411.7\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e100Hz\u003c\/text\u003e\n\u003cline x1=\"570.9\" x2=\"570.9\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"570.9\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e200Hz\u003c\/text\u003e\n\u003cline x1=\"664.0\" x2=\"664.0\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"664.0\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e300Hz\u003c\/text\u003e\n\u003crect x=\"42\" y=\"16\" width=\"622\" height=\"254\" fill=\"none\" stroke=\"#334155\" 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583.1,63.2 585.2,63.2 587.3,63.3 589.4,63.3 591.4,63.4 593.5,63.5 595.6,63.5 597.7,63.6 599.7,63.6 601.8,63.7 603.9,63.7 605.9,63.8 608.0,63.8 610.1,63.9 612.2,63.9 614.2,64.0 616.3,64.0 618.4,64.1 620.5,64.1 622.5,64.2 624.6,64.2 626.7,64.3 628.8,64.3 630.8,64.4 632.9,64.4 635.0,64.4 637.0,64.5 639.1,64.5 641.2,64.6 643.3,64.6 645.3,64.6 647.4,64.7 649.5,64.7 651.6,64.8 653.6,64.8 655.7,64.8 657.8,64.9 659.9,64.9 661.9,64.9 664.0,65.0\" fill=\"none\" stroke=\"#a78bfa\" stroke-width=\"2.4\" stroke-linejoin=\"round\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n\u003cdiv class=\"pl-legend\"\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#a78bfa;\"\u003e\u003c\/span\u003e0.50 cu ft (Qtc 0.960)\u003c\/span\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#8b5cf6;\"\u003e\u003c\/span\u003e-3dB reference\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-note\"\u003e\n\u003cp\u003e\u003cstrong style=\"color:#a78bfa;\"\u003eNote on coil choice:\u003c\/strong\u003e This alignment is calculated from the published T\/S for the 10TW3-D4 in the D2 parallel set. The D4 variant carries slightly different Qts and Vas figures and will land a marginally different sealed alignment. \u003ca class=\"pl-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eSelect your configuration above. This enclosure ships free to the lower 48 with a 2 year limited warranty, built one at a time in Tullahoma, Tennessee. Ordered loaded, the 10TW3-D4 carries its own 1 year manufacturer warranty through authorized dealers.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":42380340592729,"sku":"M10-S JL SF","price":699.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/jl-audio-10tw3-d4-in-proline-x-micro-series-enclosureenclosed-subwooferproline-x-723913.jpg?v=1761970512"},{"product_id":"proline-x-bronco-edition-dual-12-down-firing-sealed-subwoofer-box","title":"Proline X Bronco Edition Dual 12\" Down-Firing Sealed Subwoofer Enclosure","description":"\u003c!-- ============================================================\n     PROLINE X VEHICLE SPECIFIC SERIES — BRONCO EDITION DUAL 12\" DOWN-FIRING\n     PRODUCT DESCRIPTION HTML\n     Color system: Electric Blue (#2563eb \/ #1e40af primary)\n     Enclosure-only SKU\n     ============================================================ --\u003e\n\n\u003cstyle\u003e\n  .vs-wrap * { box-sizing: border-box; }\n  .vs-wrap { font-family: inherit; color: #1e293b; line-height: 1.7; max-width: 1200px; }\n\n  \/* ── Hero ── *\/\n  .vs-hero {\n    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);\n    border-radius: 8px;\n    padding: 40px 36px;\n    margin-bottom: 32px;\n    position: relative;\n    overflow: hidden;\n  }\n  .vs-hero::before {\n    content: '';\n    position: absolute;\n    top: -60px;\n    right: -60px;\n    width: 260px;\n    height: 260px;\n    background: rgba(37, 99, 235, 0.12);\n    border-radius: 50%;\n  }\n  .vs-hero::after {\n    content: '';\n    position: absolute;\n    bottom: -40px;\n    right: 80px;\n    width: 160px;\n    height: 160px;\n    background: rgba(59, 130, 246, 0.08);\n    border-radius: 50%;\n  }\n  .vs-hero-badge {\n    display: inline-block;\n    background: rgba(37, 99, 235, 0.25);\n    color: #93c5fd;\n    font-size: 0.72em;\n    font-weight: 700;\n    letter-spacing: 0.12em;\n    text-transform: uppercase;\n    padding: 4px 14px;\n    border-radius: 3px;\n    border: 1px solid rgba(147, 197, 253, 0.3);\n    margin-bottom: 18px;\n  }\n  .vs-hero h2 {\n    color: #ffffff;\n    font-size: 1.85em;\n    font-weight: 800;\n    margin: 0 0 16px 0;\n    line-height: 1.2;\n  }\n  .vs-hero h2 span { color: #93c5fd; }\n  .vs-hero p {\n    color: #cbd5e1;\n    font-size: 0.97em;\n    margin: 0;\n    max-width: 620px;\n    line-height: 1.7;\n  }\n  .vs-hero p strong { color: #ffffff; }\n\n  \/* ── Fitment Alert ── *\/\n  .vs-fitment-alert {\n    background: #eff6ff;\n    border: 1px solid #bfdbfe;\n    border-left: 5px solid #2563eb;\n    border-radius: 0 6px 6px 0;\n    padding: 18px 24px;\n    margin-bottom: 28px;\n    display: flex;\n    align-items: flex-start;\n    gap: 16px;\n  }\n  .vs-fitment-alert-icon {\n    background: #2563eb;\n    color: #ffffff;\n    font-size: 0.75em;\n    font-weight: 800;\n    letter-spacing: 0.08em;\n    text-transform: uppercase;\n    padding: 5px 10px;\n    border-radius: 3px;\n    white-space: nowrap;\n    margin-top: 2px;\n  }\n  .vs-fitment-alert p { color: #1e3a8a; font-size: 0.93em; margin: 0; line-height: 1.6; }\n  .vs-fitment-alert strong { color: #1e40af; }\n\n  \/* ── Section ── *\/\n  .vs-section {\n    background: #ffffff;\n    border-radius: 6px;\n    padding: 24px 28px;\n    margin-bottom: 32px;\n  }\n  .vs-section h3 {\n    color: #1e40af;\n    font-size: 1.1em;\n    font-weight: 800;\n    margin: 0 0 14px 0;\n    padding-bottom: 10px;\n    border-bottom: 2px solid #bfdbfe;\n  }\n  .vs-section p {\n    color: #334155;\n    font-size: 0.97em;\n    margin: 0 0 12px 0;\n  }\n  .vs-section p:last-child { margin-bottom: 0; }\n\n  \/* ── Why Cards ── *\/\n  .vs-card-grid {\n    display: grid;\n    grid-template-columns: repeat(2, 1fr);\n    gap: 16px;\n    margin-bottom: 32px;\n  }\n  @media (max-width: 600px) { .vs-card-grid { grid-template-columns: 1fr; } }\n  .vs-card {\n    background: #ffffff;\n    border: 1px solid #e2e8f0;\n    border-top: 3px solid #2563eb;\n    border-radius: 6px;\n    padding: 22px;\n  }\n  .vs-card-label {\n    display: inline-block;\n    background: #2563eb;\n    color: #ffffff;\n    font-size: 0.68em;\n    font-weight: 700;\n    letter-spacing: 0.1em;\n    text-transform: uppercase;\n    padding: 3px 10px;\n    border-radius: 3px;\n    margin-bottom: 10px;\n  }\n  .vs-card h4 { color: #1e40af; font-size: 1em; font-weight: 700; margin: 0 0 10px 0; }\n  .vs-card-divider { height: 2px; background: #2563eb; width: 32px; margin-bottom: 12px; border-radius: 2px; }\n  .vs-card p { font-size: 0.93em; color: #475569; margin: 0; line-height: 1.65; }\n  .vs-card p strong { color: #1e40af; }\n\n  \/* ── Warranty ── *\/\n  .vs-warranty {\n    background: #0f172a;\n    border-left: 5px solid #2563eb;\n    border-radius: 0 6px 6px 0;\n    padding: 20px 28px;\n    margin: 28px 0;\n    display: flex;\n    align-items: center;\n    gap: 20px;\n  }\n  .vs-warranty-badge {\n    background: #2563eb;\n    color: #ffffff;\n    font-size: 1em;\n    font-weight: 800;\n    padding: 10px 16px;\n    border-radius: 4px;\n    white-space: nowrap;\n  }\n  .vs-warranty p { color: #cbd5e1; font-size: 0.93em; margin: 0; line-height: 1.6; }\n  .vs-warranty strong { color: #ffffff; }\n\n  \/* ── Fitment List ── *\/\n  .vs-fitment-list {\n    list-style: none;\n    margin: 14px 0 0 0;\n    padding: 0;\n    display: grid;\n    grid-template-columns: repeat(2, 1fr);\n    gap: 8px;\n  }\n  @media (max-width: 560px) { .vs-fitment-list { grid-template-columns: 1fr; } }\n  .vs-fitment-list li {\n    font-size: 0.93em;\n    color: #334155;\n    padding: 8px 12px;\n    background: #eff6ff;\n    border-left: 3px solid #2563eb;\n    border-radius: 0 4px 4px 0;\n  }\n\n  .vs-divider { border: none; border-top: 1px solid #e2e8f0; margin: 32px 0; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"vs-wrap\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cdiv class=\"vs-hero\"\u003e\n    \u003cspan class=\"vs-hero-badge\"\u003eVehicle Specific Series | Bronco Edition | Enclosure Only\u003c\/span\u003e\n    \u003ch2\u003eDual 12\". \u003cspan\u003eDown-Firing.\u003c\/span\u003e\u003cbr\u003eBuilt for the 6th-Gen Bronco.\u003c\/h2\u003e\n    \u003cp\u003eThe Proline X Bronco Edition is a dual 12\" sealed enclosure engineered specifically for the 6th-generation Ford Bronco cargo area. \u003cstrong\u003eDown-firing orientation puts the drivers on the floor, keeps the top surface flat and functional, and uses ground-coupling to load the drivers acoustically.\u003c\/strong\u003e CNC-cut in Tennessee from Langboard Elite MDF. Pre-wired 12g OFC. Feet included. Drop it in, wire it up, and load gear on top.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FITMENT ALERT --\u003e\n  \u003cdiv class=\"vs-fitment-alert\"\u003e\n    \u003cspan class=\"vs-fitment-alert-icon\"\u003eFitment\u003c\/span\u003e\n    \u003cp\u003e\u003cstrong\u003eDesigned for 6th-generation Ford Bronco (2021–2025), 2-door and 4-door.\u003c\/strong\u003e This enclosure sits in the cargo area without factory mounting point integration. Confirm your available cargo dimensions and woofer mounting depth (8\" max) and cutout diameter (11.25\") before ordering.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- SECTION: Down-Firing --\u003e\n  \u003cdiv class=\"vs-section\"\u003e\n    \u003ch3\u003eDown-Firing Is Not a Compromise: It's a Design Decision\u003c\/h3\u003e\n    \u003cp\u003eDown-firing subwoofer placement uses the vehicle's floor surface as an acoustic boundary. When a driver fires into a hard, reflective surface at close range, the floor acts as a passive radiating plane. Loading the driver and reinforcing bass output across the low-frequency range. The result is deeper, fuller low-end than the same driver firing into open air in a standard orientation.\u003c\/p\u003e\n    \u003cp\u003eThe secondary function is practical. With both drivers facing down, the top surface of the enclosure is flat, unobstructed, and load-bearing. Gear goes on top. The subwoofers are protected from cargo contact. You don't give up the Bronco's cargo utility to run a real audio system.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WHY CARDS --\u003e\n  \u003cdiv class=\"vs-card-grid\"\u003e\n\n    \u003cdiv class=\"vs-card\"\u003e\n      \u003cspan class=\"vs-card-label\"\u003eAcoustic\u003c\/span\u003e\n      \u003ch4\u003eGround-Coupling Loads Both Drivers Simultaneously\u003c\/h4\u003e\n      \u003cdiv class=\"vs-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eDown-firing position places both drivers within inches of the Bronco's cargo floor. The floor acts as an acoustic boundary that loads both woofers simultaneously, reinforcing output and producing a broader, more even low-frequency response than a rear-firing or up-firing configuration in the same space.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"vs-card\"\u003e\n      \u003cspan class=\"vs-card-label\"\u003eAcoustic\u003c\/span\u003e\n      \u003ch4\u003ePolyfill Pre-Installed at the Factory\u003c\/h4\u003e\n      \u003cdiv class=\"vs-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eBoth sealed chambers ship with polyfill pre-installed. Polyfill acoustically extends the effective internal volume, improving low-frequency extension without increasing box size. \u003cstrong\u003eFactory installation ensures consistent packing density\u003c\/strong\u003e on every unit: not left to the installer to approximate in the field.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"vs-card\"\u003e\n      \u003cspan class=\"vs-card-label\"\u003eConstruction\u003c\/span\u003e\n      \u003ch4\u003eDado and V-Cut Joinery: No Butt Joints\u003c\/h4\u003e\n      \u003cdiv class=\"vs-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eEvery panel joint is machined with interlocking dado and V-cut geometry. The panels register mechanically before adhesive is applied, eliminating the gap variance that butt-jointed construction allows. \u003cstrong\u003eMechanical registration produces a tighter acoustic seal\u003c\/strong\u003e and a structurally stiffer assembly than surface-bonded panels.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"vs-card\"\u003e\n      \u003cspan class=\"vs-card-label\"\u003eConstruction\u003c\/span\u003e\n      \u003ch4\u003eInternal Bracing, Single-Layer Face, Rigidity by Structure\u003c\/h4\u003e\n      \u003cdiv class=\"vs-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe face panel is single-layer Langboard Elite MDF with internal bracing placed at span intervals to control panel flex under excursion load. Bracing transfers the mechanical energy of the drivers into the enclosure structure rather than allowing it to flex the baffle, keeping the acoustic seal intact at real power levels.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"vs-card\"\u003e\n      \u003cspan class=\"vs-card-label\"\u003eWiring\u003c\/span\u003e\n      \u003ch4\u003ePre-Wired 12g OFC: Ready to Connect\u003c\/h4\u003e\n      \u003cdiv class=\"vs-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eInternal wiring is 12-gauge oxygen-free copper, terminated at the Proline X terminal cup and pre-run to the woofer cutouts before shipping. \u003cstrong\u003ePull the leads, connect your drivers, done.\u003c\/strong\u003e No internal wiring work required at install. OFC construction eliminates the resistive loss and long-term oxidation that CCA wiring introduces.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"vs-card\"\u003e\n      \u003cspan class=\"vs-card-label\"\u003eMaterial\u003c\/span\u003e\n      \u003ch4\u003eLangboard Elite MDF, Published Mill Data, Not Marketing Language\u003c\/h4\u003e\n      \u003cdiv class=\"vs-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eLangboard Elite is a named, sourced, mill-documented panel product with published density, internal bond, and screw-holding specifications. \u003cstrong\u003e200 psi internal bond. 325 lb face screw holding.\u003c\/strong\u003e This is the same panel stock used across the full Proline X lineup, not a generic \"premium MDF\" designation with no verifiable spec behind it.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"vs-card\"\u003e\n      \u003cspan class=\"vs-card-label\"\u003eUniversal Fit\u003c\/span\u003e\n      \u003ch4\u003eUniversal Woofer Application: No Threaded Inserts\u003c\/h4\u003e\n      \u003cdiv class=\"vs-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe baffle is cut for universal 12\" mounting: \u003cstrong\u003e11.25\" cutout, 8\" max mounting depth\u003c\/strong\u003e. No threaded inserts means no proprietary bolt pattern to match. Mount any compliant 12\" driver with standard hardware. Pair with whatever woofer fits your power level and budget, Audiomobile, Crescendo, Image Dynamics, or your preferred brand.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"vs-card\"\u003e\n      \u003cspan class=\"vs-card-label\"\u003ePractical\u003c\/span\u003e\n      \u003ch4\u003eFeet Included: Proper Clearance Out of the Box\u003c\/h4\u003e\n      \u003cdiv class=\"vs-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eFeet are included and installed before shipment. They set the correct standoff distance between the enclosure and the Bronco's cargo floor. Enough clearance for the drivers to fire and pressurize the floor boundary without bottoming out. \u003cstrong\u003eNo improvised spacers, no field modifications required.\u003c\/strong\u003e\u003c\/p\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003chr class=\"vs-divider\"\u003e\n\n  \u003c!-- SECTION: Construction --\u003e\n  \u003cdiv class=\"vs-section\"\u003e\n    \u003ch3\u003eBuilt in Tennessee on ShopSabre CNC Routers\u003c\/h3\u003e\n    \u003cp\u003eEvery Proline X Vehicle Specific enclosure is CNC-cut and hand-assembled in Tullahoma, Tennessee. Panels are machined on ShopSabre CNC routers. Dado depth, V-cut geometry, cutout diameter, and external dimensions are held to spec on every unit. Internal volume is not approximated. It is calculated, programmed, and cut. The enclosure that ships to you performs to the same spec as the one used to develop the product.\u003c\/p\u003e\n    \u003cp\u003eFinished in plush black automotive carpet. Every unit is inspected before shipment.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- SECTION: Fitment --\u003e\n  \u003cdiv class=\"vs-section\"\u003e\n    \u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n    \u003cul class=\"vs-fitment-list\"\u003e\n      \u003cli\u003e2021 Ford Bronco: 2-Door\u003c\/li\u003e\n      \u003cli\u003e2021 Ford Bronco: 4-Door\u003c\/li\u003e\n      \u003cli\u003e2022 Ford Bronco: 2-Door\u003c\/li\u003e\n      \u003cli\u003e2022 Ford Bronco: 4-Door\u003c\/li\u003e\n      \u003cli\u003e2023 Ford Bronco: 2-Door\u003c\/li\u003e\n      \u003cli\u003e2023 Ford Bronco: 4-Door\u003c\/li\u003e\n      \u003cli\u003e2024 Ford Bronco: 2-Door\u003c\/li\u003e\n      \u003cli\u003e2024 Ford Bronco: 4-Door\u003c\/li\u003e\n      \u003cli\u003e2025 Ford Bronco: 2-Door\u003c\/li\u003e\n      \u003cli\u003e2025 Ford Bronco: 4-Door\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp style=\"margin-top: 14px; font-size: 0.9em; color: #64748b;\"\u003eAll trim levels. Enclosure sits in cargo area. No factory mounting point integration. Confirm available cargo dimensions before ordering.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WARRANTY --\u003e\n  \u003cdiv class=\"vs-warranty\"\u003e\n    \u003cdiv class=\"vs-warranty-badge\"\u003e2-Year Warranty\u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eAll Proline X Vehicle Specific Series enclosures are covered by a two-year manufacturer's warranty\u003c\/strong\u003e against defects in materials and workmanship. Built and inspected in our Tennessee facility. Contact Audio Intensity directly for warranty support.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Version Bronco 1","offer_id":42385618174041,"sku":"VS FDB 12D-S DF-1","price":499.99,"currency_code":"USD","in_stock":true},{"title":"Version Bronco 2","offer_id":42385618206809,"sku":"VS FDB 12D-S DF-2","price":499.99,"currency_code":"USD","in_stock":true},{"title":"Version Bronco 3","offer_id":42385618239577,"sku":"VS FDB 12D-S DF-3","price":499.99,"currency_code":"USD","in_stock":true},{"title":"Version 4 - I'll Provide My Artwork","offer_id":42385618272345,"sku":"VS FDB 12D-S DF-4","price":549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-bronco-edition-dual-12-down-firing-sealed-subwoofer-boxsubwoofer-enclosuresproline-x-817201.jpg?v=1761970522"},{"product_id":"proline-x-micro-series-sealed-10-enclosure-loaded-alpine-rsw10d4","title":"Proline X Single 10\" Sealed Micro Series System | Loaded with Alpine RSW10","description":"\u003cstyle\u003e\n.pl-wrap{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#cbd5e1;max-width:1100px;margin:0 auto;background:#020617;}\n.pl-wrap *{box-sizing:border-box;}\n.pl-hero{background:linear-gradient(135deg,#020617 0%,#2e1065 100%);padding:54px 36px;text-align:center;color:#fff;}\n.pl-hero h2{font-size:2.3em;font-weight:800;text-transform:uppercase;letter-spacing:1.5px;margin:0 0 12px;color:#fff;}\n.pl-hero p{font-size:1.1em;font-weight:300;opacity:.93;margin:0 0 22px;color:#cbd5e1;}\n.pl-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;}\n.pl-badge{background:rgba(139,92,246,.18);border:1px solid #8b5cf6;color:#c4b5fd;padding:7px 16px;border-radius:18px;font-size:.8em;font-weight:600;letter-spacing:.4px;}\n.pl-stats{display:flex;flex-wrap:wrap;background:#0f172a;}\n.pl-stat{flex:1 1 200px;text-align:center;padding:26px 16px;border-right:1px solid 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#1e293b;color:#cbd5e1;font-size:.95em;}\n.pl-enc-table tr:last-child td{border-bottom:none;}\n.pl-opt td{background:#2e1065;color:#fff;font-weight:600;}\n.pl-char{display:block;font-size:.78em;color:#94a3b8;font-weight:400;margin-top:2px;}\n.pl-opt .pl-char{color:#c4b5fd;}\n.pl-graph{background:#020617;border:1px solid #334155;border-radius:8px;padding:14px;margin:18px 0;}\n.pl-graph-title{font-size:.78em;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#94a3b8;margin:0 0 10px;}\n.pl-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;}\n.pl-legend-item{display:flex;align-items:center;gap:6px;font-size:12px;color:#94a3b8;}\n.pl-sw{width:22px;height:3px;border-radius:2px;display:inline-block;}\n.pl-note{background:#1e293b;border:1px solid #334155;border-radius:8px;padding:14px 16px;margin-top:6px;}\n.pl-note p{margin:0;color:#cbd5e1;font-size:13.5px;line-height:1.6;}\n.pl-link{color:#a78bfa;text-decoration:underline;}\n.pl-cta{background:linear-gradient(135deg,#020617 0%,#2e1065 100%);padding:40px 36px;text-align:center;color:#fff;}\n.pl-cta h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0;}\n.pl-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#cbd5e1;}\n@media(max-width:600px){.pl-hero h2{font-size:1.7em;}.pl-section,.pl-enc,.pl-cta,.pl-hero{padding-left:20px;padding-right:20px;}}\n\u003c\/style\u003e\n\u003cdiv class=\"pl-wrap\"\u003e\n\n\u003cdiv class=\"pl-hero\"\u003e\n\u003ch2\u003eProline X Micro Series Enclosure for the Alpine RS-W10D4\u003c\/h2\u003e\n\u003cp\u003eCut and tuned for the Alpine RS-W10D4\u003c\/p\u003e\n\u003cdiv class=\"pl-badges\"\u003e\n\u003cspan class=\"pl-badge\"\u003eCNC Stack-Fab\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e0.50 cu ft Net\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eFits Alpine RS-W10D4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-stats\"\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.50\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e1.489-1.937\u003c\/span\u003e\u003cspan class=\"l\"\u003esystem Qtc\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e32.9-34.1 Hz\u003c\/span\u003e\u003cspan class=\"l\"\u003eF3 rolloff\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e3.25 in\u003c\/span\u003e\u003cspan class=\"l\"\u003eRS-W10D4 mounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eBuilt Around the Alpine RS-W10D4\u003c\/h3\u003e\n\u003cp\u003eNothing about this box is generic. Every layer is cut to the RS-W10D4's published sealed target, with clearance cut for its 3.25 in mounting depth.\u003c\/p\u003e\n\u003cp\u003eThe RS-W10D4 carries a published \u003cstrong\u003eFs of 31 Hz, Qts of 1.19 and Vas of 23.35 litres\u003c\/strong\u003e, and an EBP of 21, which puts it in sealed enclosure territory. We ran the alignment math on that data and built the box to land where it belongs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eNet Volume, Not Gross\u003c\/h3\u003e\n\u003cp\u003eWe build this cabinet at \u003cstrong\u003e0.50 cubic feet net\u003c\/strong\u003e, against a published recommendation of 0.45 to 1.0 cu ft. The volume quoted is true net internal airspace, measured after the walls, bracing and driver displacement are accounted for.\u003c\/p\u003e\n\u003cdiv class=\"pl-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated by summing\neach CNC cut layer's opening, not estimated from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eProline X Micro Series Construction\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is stack fabricated on our ShopSabre routers from Langboard Elite 3\/4 inch MDF,\na dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE.\nEvery layer is a precision cut ring and the stacked layers do the joining themselves, so there is no butt joint or dado to flex or leak. Dowel reinforcement runs between layers as tension hardware only.\u003c\/p\u003e\n\u003cdiv class=\"pl-grid\"\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eThreaded Inserts, Not Wood Screws\u003c\/h4\u003e\n\u003cp\u003e8\/32 threaded inserts are set on the backside of the baffle so the driver mounts on machine screws. Pull it a dozen times and the threads are still there.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired internally with \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. No CCA anywhere in the build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDamped and Finished\u003c\/h4\u003e\n\u003cp\u003ePolyfill is pre-installed to smooth the in box response, and the shell is wrapped in plush black carpet. Built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eEnclosure Only or Loaded\u003c\/h3\u003e\n\u003cp\u003eOrder the enclosure bare and mount your own RS-W10D4, or order it loaded and we mount the driver, dress the wiring and ship it ready to bolt in.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated\u003c\/h3\u003e\n\u003cp\u003eUsing the published Thiele Small parameters for the Alpine RS-W10D4, here is the predicted Qtc,\nsystem resonance (Fc) and F3 rolloff for this enclosure. Calculated with the same formulas\nas the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\n\u003cdiv class=\"pl-enc-card\"\u003e\n\u003cdiv class=\"pl-enc-head\"\u003eAlpine RS-W10D4 4 ohm + 4 ohm  |  Qts 1.19  |  Fs 31 Hz  |  Vas 23.35 L\u003c\/div\u003e\n\u003ctable class=\"pl-enc-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Size\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pl-opt\"\u003e\n\u003ctd\u003e0.50 cu ft \u003cspan class=\"pl-char\"\u003eas built\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.937\u003c\/td\u003e\n\u003ctd\u003e50.5 Hz\u003c\/td\u003e\n\u003ctd\u003e34.1 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-graph\"\u003e\n\u003cp class=\"pl-graph-title\"\u003eAlpine RS-W10D4 Frequency Response | Sealed, 0.50 cu ft\u003c\/p\u003e\n\u003csvg viewbox=\"0 0 680 300\" 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opacity=\"0.85\"\u003e\u003c\/line\u003e\n\u003ctext x=\"660\" y=\"112.6\" text-anchor=\"end\" font-size=\"10\" fill=\"#a78bfa\" font-family=\"Arial, sans-serif\"\u003e-3dB\u003c\/text\u003e\n\u003cline x1=\"42.0\" x2=\"42.0\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"42.0\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e20Hz\u003c\/text\u003e\n\u003cline x1=\"135.1\" x2=\"135.1\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"135.1\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e30Hz\u003c\/text\u003e\n\u003cline x1=\"252.5\" x2=\"252.5\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"252.5\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e50Hz\u003c\/text\u003e\n\u003cline x1=\"411.7\" x2=\"411.7\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"411.7\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e100Hz\u003c\/text\u003e\n\u003cline x1=\"570.9\" x2=\"570.9\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"570.9\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e200Hz\u003c\/text\u003e\n\u003cline x1=\"664.0\" x2=\"664.0\" y1=\"16\" y2=\"270\" stroke=\"#1e293b\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"664.0\" y=\"286\" text-anchor=\"middle\" font-size=\"10\" fill=\"#64748b\" font-family=\"Arial, sans-serif\"\u003e300Hz\u003c\/text\u003e\n\u003crect x=\"42\" y=\"16\" width=\"622\" height=\"254\" fill=\"none\" stroke=\"#334155\" 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398.6,27.6 400.7,28.4 402.8,29.1 404.8,29.8 406.9,30.5 409.0,31.2 411.1,31.9 413.1,32.5 415.2,33.2 417.3,33.8 419.3,34.4 421.4,35.0 423.5,35.6 425.6,36.2 427.6,36.8 429.7,37.4 431.8,37.9 433.9,38.5 435.9,39.0 438.0,39.5 440.1,40.0 442.2,40.5 444.2,41.0 446.3,41.5 448.4,42.0 450.4,42.5 452.5,42.9 454.6,43.4 456.7,43.8 458.7,44.2 460.8,44.6 462.9,45.1 465.0,45.5 467.0,45.9 469.1,46.3 471.2,46.6 473.3,47.0 475.3,47.4 477.4,47.7 479.5,48.1 481.5,48.4 483.6,48.8 485.7,49.1 487.8,49.4 489.8,49.8 491.9,50.1 494.0,50.4 496.1,50.7 498.1,51.0 500.2,51.3 502.3,51.6 504.4,51.8 506.4,52.1 508.5,52.4 510.6,52.7 512.6,52.9 514.7,53.2 516.8,53.4 518.9,53.7 520.9,53.9 523.0,54.1 525.1,54.4 527.2,54.6 529.2,54.8 531.3,55.1 533.4,55.3 535.5,55.5 537.5,55.7 539.6,55.9 541.7,56.1 543.7,56.3 545.8,56.5 547.9,56.7 550.0,56.9 552.0,57.0 554.1,57.2 556.2,57.4 558.3,57.6 560.3,57.7 562.4,57.9 564.5,58.1 566.6,58.2 568.6,58.4 570.7,58.5 572.8,58.7 574.8,58.8 576.9,59.0 579.0,59.1 581.1,59.3 583.1,59.4 585.2,59.5 587.3,59.7 589.4,59.8 591.4,59.9 593.5,60.0 595.6,60.2 597.7,60.3 599.7,60.4 601.8,60.5 603.9,60.6 605.9,60.7 608.0,60.9 610.1,61.0 612.2,61.1 614.2,61.2 616.3,61.3 618.4,61.4 620.5,61.5 622.5,61.6 624.6,61.7 626.7,61.8 628.8,61.8 630.8,61.9 632.9,62.0 635.0,62.1 637.0,62.2 639.1,62.3 641.2,62.4 643.3,62.4 645.3,62.5 647.4,62.6 649.5,62.7 651.6,62.7 653.6,62.8 655.7,62.9 657.8,63.0 659.9,63.0 661.9,63.1 664.0,63.2\" fill=\"none\" stroke=\"#a78bfa\" stroke-width=\"2.4\" stroke-linejoin=\"round\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n\u003cdiv class=\"pl-legend\"\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#a78bfa;\"\u003e\u003c\/span\u003e0.50 cu ft (Qtc 1.937)\u003c\/span\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#8b5cf6;\"\u003e\u003c\/span\u003e-3dB reference\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-note\"\u003e\u003cp\u003e\u003cstrong style=\"color:#a78bfa;\"\u003eNote on this alignment:\u003c\/strong\u003e Alpine publishes a Qts of 1.19 for the RS-W10D4, which is high for a sealed application. In 0.50 cubic feet that produces a rise around system resonance rather than a flat response, along with an F3 of 34.1 Hz. Alpine's own sealed recommendation for this driver is 0.45 to 1.0 cubic feet, and the figure stays above 1.6 across that whole range. The numbers above are calculated straight from Alpine's published parameters, not adjusted. \u003ca class=\"pl-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eSelect your configuration above. This enclosure ships free to the lower 48 with a 2 year limited warranty, built one at a time in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":42458189594713,"sku":"M10-S ALP D4","price":899.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/alpine-rsw10d4-shallow-subwoofer-in-proline-x-micro-series-enclosureenclosed-subwooferproline-x-886301.jpg?v=1761970632"},{"product_id":"proline-x-micro-series-m10-s-wav-sealed-10-subwoofer-enclosure-wavtech-thinpro-10","title":"Proline X Micro Series 10\" Sealed Enclosure - Fits Wavtech thinPRO10","description":"\u003c!-- ============================================================\n     PROLINE X MICRO SERIES — M10-S WAV\n     WAVTECH thinPRO 10 | SEALED ENCLOSURE ONLY\n     Color system: Green (#16a34a primary)\n     ============================================================ --\u003e\n\n\u003cstyle\u003e\n  .ms-wrap * { box-sizing: border-box; }\n  .ms-wrap { font-family: inherit; color: #1e293b; line-height: 1.7; max-width: 1200px; margin: 0 auto; }\n\n  \/* ── Hero ── *\/\n  .ms-hero {\n    background: linear-gradient(135deg, #0f172a 0%, #14532d 100%);\n    border-radius: 8px;\n    padding: 40px 36px;\n    margin-bottom: 32px;\n    position: relative;\n    overflow: hidden;\n  }\n  .ms-hero::before {\n    content: '';\n    position: absolute;\n    top: -40px; right: -40px;\n    width: 220px; height: 220px;\n    background: rgba(22,163,74,0.12);\n    border-radius: 50%;\n  }\n  .ms-hero-badge {\n    display: inline-block;\n    background: transparent;\n    border: 2px solid #16a34a;\n    color: #86efac;\n    font-size: 0.75em;\n    font-weight: 700;\n    letter-spacing: 0.12em;\n    text-transform: uppercase;\n    padding: 4px 14px;\n    border-radius: 20px;\n    margin-bottom: 16px;\n  }\n  .ms-hero h2 {\n    color: #ffffff;\n    font-size: 1.65em;\n    font-weight: 800;\n    margin: 0 0 14px 0;\n    line-height: 1.25;\n  }\n  .ms-hero p {\n    color: #cbd5e1;\n    font-size: 1em;\n    margin: 0 0 24px 0;\n    max-width: 640px;\n    line-height: 1.7;\n  }\n  .ms-hero-stats {\n    display: flex;\n    gap: 28px;\n    flex-wrap: wrap;\n  }\n  .ms-stat {\n    text-align: center;\n  }\n  .ms-stat-num {\n    display: block;\n    color: #86efac;\n    font-size: 1.5em;\n    font-weight: 800;\n    line-height: 1;\n  }\n  .ms-stat-label {\n    display: block;\n    color: #94a3b8;\n    font-size: 0.72em;\n    letter-spacing: 0.08em;\n    text-transform: uppercase;\n    margin-top: 4px;\n  }\n\n  \/* ── Sections ── *\/\n  .ms-section {\n    background: #ffffff;\n    border: 1px solid #e2e8f0;\n    border-top: 4px solid #16a34a;\n    border-radius: 6px;\n    padding: 28px 32px;\n    margin-bottom: 24px;\n  }\n  .ms-section:nth-child(odd) { background: #f8fafc; }\n  .ms-section h3 {\n    color: #14532d;\n    font-size: 1.15em;\n    font-weight: 700;\n    margin: 0 0 14px 0;\n  }\n  .ms-section p {\n    color: #334155;\n    font-size: 0.97em;\n    margin: 0 0 12px 0;\n  }\n  .ms-section p:last-child { margin-bottom: 0; }\n\n  \/* ── Highlight block ── *\/\n  .ms-highlight {\n    background: #f0fdf4;\n    border-left: 5px solid #16a34a;\n    padding: 22px 28px;\n    margin: 28px 0;\n    border-radius: 0 6px 6px 0;\n  }\n  .ms-highlight h3 {\n    color: #14532d;\n    margin: 0 0 10px 0;\n    font-size: 1.1em;\n    font-weight: 700;\n  }\n  .ms-highlight h3 + h3 { margin-top: 18px; }\n  .ms-highlight p {\n    margin-bottom: 10px;\n    color: #1e293b;\n    font-size: 0.97em;\n  }\n  .ms-highlight p:last-child { margin-bottom: 0; }\n\n  \/* ── Alert ── *\/\n  .ms-alert {\n    background: #dcfce7;\n    border: 1px solid #16a34a;\n    border-radius: 6px;\n    padding: 14px 18px;\n    margin: 20px 0;\n    font-size: 0.93em;\n    color: #166534;\n  }\n  .ms-alert strong { color: #14532d; }\n\n  \/* ── Why-cards grid ── *\/\n  .ms-card-grid {\n    display: grid;\n    grid-template-columns: repeat(2, 1fr);\n    gap: 18px;\n    margin: 24px 0;\n  }\n  @media (max-width: 600px) { .ms-card-grid { grid-template-columns: 1fr; } }\n  .ms-card {\n    background: #ffffff;\n    border: 1px solid #e2e8f0;\n    border-top: 3px solid #16a34a;\n    border-radius: 6px;\n    padding: 22px;\n  }\n  .ms-card-label {\n    display: inline-block;\n    background: #16a34a;\n    color: #ffffff;\n    font-size: 0.68em;\n    font-weight: 700;\n    letter-spacing: 0.1em;\n    text-transform: uppercase;\n    padding: 3px 10px;\n    border-radius: 3px;\n    margin-bottom: 10px;\n  }\n  .ms-card h4 {\n    color: #14532d;\n    font-size: 1em;\n    font-weight: 700;\n    margin: 0 0 10px 0;\n  }\n  .ms-card-divider {\n    height: 2px;\n    background: #16a34a;\n    width: 32px;\n    margin-bottom: 12px;\n    border-radius: 2px;\n  }\n  .ms-card p {\n    font-size: 0.93em;\n    color: #475569;\n    margin: 0;\n    line-height: 1.65;\n  }\n  .ms-card p strong { color: #14532d; }\n\n  \/* ── Warranty bar ── *\/\n  .ms-warranty {\n    background: #0f172a;\n    border-left: 5px solid #16a34a;\n    border-radius: 0 6px 6px 0;\n    padding: 20px 28px;\n    margin: 28px 0;\n    display: flex;\n    align-items: center;\n    gap: 20px;\n  }\n  .ms-warranty-badge {\n    background: #16a34a;\n    color: #ffffff;\n    font-size: 1em;\n    font-weight: 800;\n    padding: 10px 16px;\n    border-radius: 4px;\n    white-space: nowrap;\n  }\n  .ms-warranty p {\n    color: #cbd5e1;\n    font-size: 0.93em;\n    margin: 0;\n    line-height: 1.6;\n  }\n  .ms-warranty strong { color: #ffffff; }\n\n  \/* ── Fitment list ── *\/\n  .ms-fitment {\n    list-style: none;\n    margin: 14px 0 0 0;\n    padding: 0;\n    display: grid;\n    grid-template-columns: repeat(2, 1fr);\n    gap: 8px;\n  }\n  @media (max-width: 560px) { .ms-fitment { grid-template-columns: 1fr; } }\n  .ms-fitment li {\n    font-size: 0.93em;\n    color: #334155;\n    padding: 8px 12px;\n    background: #f0fdf4;\n    border-left: 3px solid #16a34a;\n    border-radius: 0 4px 4px 0;\n  }\n\n  \/* ── Divider ── *\/\n  .ms-divider {\n    border: none;\n    border-top: 1px solid #e2e8f0;\n    margin: 32px 0;\n  }\n\n  \/* ── Langboard callout ── *\/\n  .ms-langboard { font-weight: 700; color: #14532d; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"ms-wrap\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cdiv class=\"ms-hero\"\u003e\n    \u003cspan class=\"ms-hero-badge\"\u003eMicro Series | M10-S WAV | Enclosure Only\u003c\/span\u003e\n    \u003ch2\u003e4.5 Inches Deep.\u003cbr\u003eBuilt for the Wavtech thinPRO 10.\u003c\/h2\u003e\n    \u003cp\u003eThe Wavtech thinPRO 10 runs 2.9 inches of mounting depth and 750 watts RMS, an output class that most shallow-mount enclosures are not built to handle structurally. The Proline X M10-S WAV is. Stack-fab Langboard Elite construction, 8\/32 threaded inserts, and a sealed 0.4 cubic foot chamber deliver what the thinPRO 10 needs: a rigid, correctly-sized acoustic environment in a box that fits where full-depth enclosures cannot go.\u003c\/p\u003e\n    \u003cdiv class=\"ms-hero-stats\"\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e0.40\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eCu Ft Net Volume\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e4.5\"\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eTotal Depth\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e2.9\"\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eMax Mount Depth\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e750W\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eDriver RMS Rating\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- ENCLOSURE ONLY NOTICE --\u003e\n  \u003cdiv class=\"ms-alert\"\u003e\n    \u003cstrong\u003eEnclosure only.\u003c\/strong\u003e The Wavtech thinPRO 10 subwoofer is not included. This enclosure is designed for customers who already own or are separately purchasing the thinPRO10-2 or thinPRO10-4. Both impedance variants fit, the cutout and mounting geometry are identical.\n  \u003c\/div\u003e\n\n  \u003c!-- SECTION 1: Volume --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003e0.4 Cubic Feet: Within Spec, Intentionally Sized\u003c\/h3\u003e\n    \u003cp\u003eWavtech publishes a sealed volume sweet spot of 0.35 cubic feet for the thinPRO 10, with an acceptable range of 0.25–0.80 cubic feet. The M10-S WAV delivers 0.4 cubic feet of net internal volume. Slightly above the sweet spot, which shifts the system Qtc modestly lower and extends low-frequency output at the cost of a small amount of upper-bass damping. For most vehicle installs, particularly those where the enclosure is placed near a cabin boundary (under a seat, against a firewall, or floor-coupled in downfire orientation), this is the better-performing side of that tradeoff.\u003c\/p\u003e\n    \u003cp\u003eInternal volume is held to tolerance after accounting for driver displacement and stack-fab panel mass. The 0.4 figure is net, not gross box volume before subtracting hardware and baffle thickness. That distinction matters more in compact enclosures than anywhere else, because displacement represents a larger percentage of total internal space at smaller volumes.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- SECTION 2: Construction --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eStack-Fab at 4.5 Inches: Structure Is the Constraint\u003c\/h3\u003e\n    \u003cp\u003eAt 4.5 inches of total depth, there is limited panel width available for rigidity. A flat single-panel wall at this depth has measurably less resistance to flex than the same wall at 7 or 8 inches of depth. Stack-fab construction addresses this directly, CNC-cut Langboard Elite MDF panels are layered and bonded in overlapping orientations, building up panel mass and eliminating single-layer joints at the critical walls. The result is a high-mass structure that does not flex at resonance frequencies even at the 750-watt RMS power levels the thinPRO 10 is capable of pulling.\u003c\/p\u003e\n    \u003cp\u003eEvery joint is CNC-machined to a dado fit before adhesive is applied. The mechanical interlock holds panel alignment under load. The adhesive seals permanently. Both together, neither alone, produce the airtight, acoustically inert enclosure this driver requires to perform at its rated spec.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WHY CARDS --\u003e\n  \u003cdiv class=\"ms-card-grid\"\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eVolume\u003c\/span\u003e\n      \u003ch4\u003e0.4 cu ft: Net Internal, Tolerance-Held\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eWavtech's acceptable sealed range for the thinPRO 10 is 0.25–0.80 cubic feet. The M10-S WAV lands at \u003cstrong\u003e0.4 cubic feet net\u003c\/strong\u003e: calculated after panel displacement, hardware, and baffle thickness are subtracted. Not approximated from external dimensions.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eDepth\u003c\/span\u003e\n      \u003ch4\u003e4.5\" Total: 2.9\" Driver Clearance with Margin\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe thinPRO 10 requires \u003cstrong\u003e2.9\" of mounting depth\u003c\/strong\u003e. The M10-S WAV provides 3.1\" of usable internal depth. Enough for the driver's rear motor structure with clearance at full excursion. No contact risk at rated power.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eMounting\u003c\/span\u003e\n      \u003ch4\u003e8\/32 Threaded Inserts: Machine Screws Included\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe baffle is fitted with \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e on the back face. Stainless 8\/32 square-bit machine screws are included. The driver threads into steel, not wood. No stripping, consistent clamping force, and the driver can be removed and reinstalled without degrading the mount.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eWiring\u003c\/span\u003e\n      \u003ch4\u003eGold-Plated Terminal Cup: Pre-Wired from the Factory\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eA \u003cstrong\u003ehigh-power gold-plated terminal cup\u003c\/strong\u003e is installed and pre-wired with \u003cstrong\u003e12-gauge speaker wire\u003c\/strong\u003e run internally to the driver location with stainless hardware. Connect your amplifier run to the terminal and mount the driver. No internal wiring work needed.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eConfiguration\u003c\/span\u003e\n      \u003ch4\u003eFront-Firing or Downfiring: Feet Included\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe M10-S WAV ships with \u003cstrong\u003erubber feet for downfiring installation\u003c\/strong\u003e. Use it front-firing in a standard orientation or flip it downward to couple bass output with the vehicle floor. Downfiring is particularly effective in truck cabs and SUVs where floor coupling produces a more distributed low-frequency response throughout the cabin.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eStructure\u003c\/span\u003e\n      \u003ch4\u003eStack-Fab Langboard Elite: Built for 750W RMS\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe thinPRO 10 is rated at 750 watts RMS. Well above what most compact enclosures are built to withstand structurally. \u003cstrong\u003eStack-fab Langboard Elite MDF\u003c\/strong\u003e with dado joinery and rounded external corners produces a high-mass, low-resonance structure that stays inert at the power levels this driver can generate.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eAcoustic\u003c\/span\u003e\n      \u003ch4\u003ePolyfill Pre-Installed\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003ePolyfill is packed and installed at the factory. It acoustically increases effective internal volume, extending low-frequency output without adding external size. In a 0.4 cubic foot enclosure, this is a meaningful tuning step, not a cosmetic addition. It is built into the manufacturing process, not left to the installer.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eFitment\u003c\/span\u003e\n      \u003ch4\u003eDirect-Fit Cutout for the thinPRO 10\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe baffle cutout is machined specifically for the \u003cstrong\u003eWavtech thinPRO 10 mounting geometry\u003c\/strong\u003e. The thinPRO 10 uses a standard round mounting flange, the cutout diameter is precision-matched to that spec. Flush-mount seating is confirmed at the factory. No shimming, trimming, or fitting required.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003c!-- HIGHLIGHT --\u003e\n  \u003cdiv class=\"ms-highlight\"\u003e\n    \u003ch3\u003eReady to Mount. Ready to Wire.\u003c\/h3\u003e\n    \u003cp\u003eThe M10-S WAV ships fully prepped. The \u003cstrong\u003egold-plated terminal cup\u003c\/strong\u003e is installed and pre-wired to the driver location with 12-gauge wire. Connect your amplifier run and that side is done. The baffle uses \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e with stainless square-bit machine screws included, driver mounts to steel, not MDF. \u003cstrong\u003eRubber feet are included\u003c\/strong\u003e for downfiring installations. No additional hardware required for either configuration.\u003c\/p\u003e\n    \u003ch3\u003eImpedance Options: thinPRO10-2 and thinPRO10-4\u003c\/h3\u003e\n    \u003cp\u003eThe Wavtech thinPRO 10 is available in two impedance variants: the \u003cstrong\u003ethinPRO10-2\u003c\/strong\u003e (single 2-ohm voice coil) and the \u003cstrong\u003ethinPRO10-4\u003c\/strong\u003e (single 4-ohm voice coil). Both variants share identical physical dimensions and fit this enclosure. Choose the impedance that matches your amplifier's stable load. The thinPRO10-2 presents a 2-ohm load directly; the thinPRO10-4 presents a 4-ohm load. Neither variant requires wiring configuration, single voice coil, single connection.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FITMENT --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eWhere It Fits\u003c\/h3\u003e\n    \u003cp\u003eAt 24\" × 12.75\" × 4.5\", the M10-S WAV opens up install locations that rule out virtually every conventional sealed 10\" build. Common placements:\u003c\/p\u003e\n    \u003cul class=\"ms-fitment\"\u003e\n      \u003cli\u003eUnder-seat: extended cab and crew cab trucks\u003c\/li\u003e\n      \u003cli\u003eBehind-seat: full-size truck cabs (front-firing or downfire)\u003c\/li\u003e\n      \u003cli\u003eTrunk corners: compact and mid-size sedans\u003c\/li\u003e\n      \u003cli\u003eSide cargo panels: SUVs and crossovers\u003c\/li\u003e\n      \u003cli\u003eHatch floor: sports cars and hatchbacks\u003c\/li\u003e\n      \u003cli\u003eSpare tire well: select SUV and crossover platforms\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WARRANTY --\u003e\n  \u003cdiv class=\"ms-warranty\"\u003e\n    \u003cdiv class=\"ms-warranty-badge\"\u003e2-Year Warranty\u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eAll Proline X Micro Series enclosures are covered by a two-year manufacturer's warranty\u003c\/strong\u003e against defects in materials and workmanship. Enclosures are built in our Tennessee facility and inspected before shipment. Contact Audio Intensity directly for warranty support.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003chr class=\"ms-divider\"\u003e\n\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eMade in Tennessee\u003c\/h3\u003e\n    \u003cp\u003eEvery Proline X Micro Series enclosure is CNC-cut and hand-assembled in Tullahoma, Tennessee on ShopSabre CNC routers. Internal volume, dado joint depth, cutout diameter, and terminal placement are held to spec on every unit. \u003cspan class=\"ms-langboard\"\u003eLangboard Elite MDF\u003c\/span\u003e is used across the full Micro Series build, a named, mill-documented board with published density specifications, not a generic \"premium MDF\" claim.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":42708718256217,"sku":"M10-S WAV","price":219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-micro-series-m10-s-wav-sealed-10-subwoofer-enclosure-wavtech-thinpro-10subwoofer-enclosuresproline-x-4189528.webp?v=1761970807"},{"product_id":"proline-x-micro-series-sealed-10-enclosure-loaded-wavtech-thinpro-10","title":"Proline X Single 10\" Sealed Micro Series System | Loaded with Wavtech thinPRO10","description":"\u003cstyle\u003e\n.pl-wrap{font-family:'Helvetica 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h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0;}\n.pl-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#cbd5e1;}\n@media(max-width:600px){.pl-hero h2{font-size:1.7em;}.pl-section,.pl-enc,.pl-cta,.pl-hero{padding-left:20px;padding-right:20px;}}\n\u003c\/style\u003e\n\u003cdiv class=\"pl-wrap\"\u003e\n\n\u003cdiv class=\"pl-hero\"\u003e\n\u003ch2\u003eProline X Micro Series Enclosure for the Wavtech thinPRO 10\u003c\/h2\u003e\n\u003cp\u003eCut and tuned for the Wavtech thinPRO 10\u003c\/p\u003e\n\u003cdiv class=\"pl-badges\"\u003e\n\u003cspan class=\"pl-badge\"\u003eCNC Stack-Fab\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e0.40 cu ft Net\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eFits Wavtech thinPRO 10\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-stats\"\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.40\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.822-0.870\u003c\/span\u003e\u003cspan class=\"l\"\u003esystem Qtc\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e41.5-44.5 Hz\u003c\/span\u003e\u003cspan class=\"l\"\u003eF3 rolloff\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e2.875 in\u003c\/span\u003e\u003cspan class=\"l\"\u003ethinPRO 10 mounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eBuilt Around the Wavtech thinPRO 10\u003c\/h3\u003e\n\u003cp\u003eNothing about this box is generic. Every layer is cut to the thinPRO 10's published sealed target, with the baffle bored to the thinPRO 10's 9.0625 in cutout with 8\/32 threaded inserts set on the back face, and clearance cut for its 2.875 in mounting depth.\u003c\/p\u003e\n\u003cp\u003eThe thinPRO 10 carries a published \u003cstrong\u003eFs of 31 Hz, Qts of 0.55 and Vas of 17 litres\u003c\/strong\u003e, and an EBP of 50, which puts it in transition enclosure territory. We ran the alignment math on that data and built the box to land where it belongs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eNet Volume, Not Gross\u003c\/h3\u003e\n\u003cp\u003eWe build this cabinet at \u003cstrong\u003e0.40 cubic feet net\u003c\/strong\u003e, against a published recommendation of 0.35 cu ft (D2). The volume quoted is true net internal airspace, measured after the walls, bracing and driver displacement are accounted for.\u003c\/p\u003e\n\u003cdiv class=\"pl-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated by summing\neach CNC cut layer's opening, not estimated from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eProline X Micro Series Construction\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is stack fabricated on our ShopSabre routers from Langboard Elite 3\/4 inch MDF,\na dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE.\nEvery layer is a precision cut ring and the stacked layers do the joining themselves, so there is no butt joint or dado to flex or leak. Dowel reinforcement runs between layers as tension hardware only.\u003c\/p\u003e\n\u003cdiv class=\"pl-grid\"\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eThreaded Inserts, Not Wood Screws\u003c\/h4\u003e\n\u003cp\u003e8\/32 threaded inserts are set on the backside of the baffle so the driver mounts on machine screws. Pull it a dozen times and the threads are still there.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired internally with \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. No CCA anywhere in the build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDamped and Finished\u003c\/h4\u003e\n\u003cp\u003ePolyfill is pre-installed to smooth the in box response, and the shell is wrapped in plush black carpet. Built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eEnclosure Only or Loaded\u003c\/h3\u003e\n\u003cp\u003eOrder the enclosure bare and mount your own thinPRO 10, or order it loaded and we mount the driver, dress the wiring and ship it ready to bolt in.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated\u003c\/h3\u003e\n\u003cp\u003eUsing the published Thiele Small parameters for the Wavtech thinPRO 10, here is the predicted Qtc,\nsystem resonance (Fc) and F3 rolloff for this enclosure. Calculated with the same formulas\nas the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\n\u003cdiv class=\"pl-enc-card\"\u003e\n\u003cdiv class=\"pl-enc-head\"\u003eWavtech thinPRO 10 thinPRO10-2  |  Qts 0.55  |  Fs 31 Hz  |  Vas 17 L\u003c\/div\u003e\n\u003ctable class=\"pl-enc-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Size\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pl-opt\"\u003e\n\u003ctd\u003e0.40 cu ft \u003cspan class=\"pl-char\"\u003eas built\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.870\u003c\/td\u003e\n\u003ctd\u003e49.0 Hz\u003c\/td\u003e\n\u003ctd\u003e41.5 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-graph\"\u003e\n\u003cp class=\"pl-graph-title\"\u003eWavtech thinPRO 10 Frequency Response | Sealed, 0.40 cu ft\u003c\/p\u003e\n\u003csvg viewbox=\"0 0 680 300\" 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583.1,64.3 585.2,64.3 587.3,64.4 589.4,64.4 591.4,64.4 593.5,64.5 595.6,64.5 597.7,64.6 599.7,64.6 601.8,64.6 603.9,64.7 605.9,64.7 608.0,64.7 610.1,64.8 612.2,64.8 614.2,64.8 616.3,64.9 618.4,64.9 620.5,64.9 622.5,65.0 624.6,65.0 626.7,65.0 628.8,65.1 630.8,65.1 632.9,65.1 635.0,65.2 637.0,65.2 639.1,65.2 641.2,65.2 643.3,65.3 645.3,65.3 647.4,65.3 649.5,65.3 651.6,65.4 653.6,65.4 655.7,65.4 657.8,65.4 659.9,65.5 661.9,65.5 664.0,65.5\" fill=\"none\" stroke=\"#a78bfa\" stroke-width=\"2.4\" stroke-linejoin=\"round\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n\u003cdiv class=\"pl-legend\"\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#a78bfa;\"\u003e\u003c\/span\u003e0.40 cu ft (Qtc 0.870)\u003c\/span\u003e\n\u003cspan class=\"pl-legend-item\"\u003e\u003cspan class=\"pl-sw\" style=\"background:#8b5cf6;\"\u003e\u003c\/span\u003e-3dB reference\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-note\"\u003e\n\u003cp\u003e\u003cstrong style=\"color:#a78bfa;\"\u003eNote on coil choice:\u003c\/strong\u003e The figures above are the thinPRO10-2 set. The thinPRO10-4 carries Qts 0.52 and Vas 17 litres, and a different Fs of 32 Hz, which in this same 0.40 cubic foot volume lands at \u003cstrong\u003eQtc 0.822, Fc 50.6 Hz and F3 44.5 Hz\u003c\/strong\u003e. Close enough that either coil suits the box. \u003ca class=\"pl-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eSelect your configuration above. This enclosure ships free to the lower 48 with a 2 year limited warranty, built one at a time in Tullahoma, Tennessee. Ordered loaded, the thinPRO 10 carries its own 1 year manufacturer warranty through authorized dealers.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Single 4 ohm","offer_id":42708993245273,"sku":"M10-S Wav Loaded 4 ohm","price":849.99,"currency_code":"USD","in_stock":false},{"title":"Single 2 Ohm","offer_id":42708993278041,"sku":"M10-S Wav Loaded 2 ohm","price":849.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-micro-series-m10-s-wav-loaded-wavtech-thinpro-10-subwoofer-sealed-enclosureenclosed-subwooferproline-x-6621572.png?v=1761970816"},{"product_id":"proline-x-performance-wedge-p12-ws-iii-sealed-enclosure-for-12-subwoofers","title":"Proline X Performance Wedge P12-WS III Sealed Enclosure for 12\" Subwoofers","description":"\u003cstyle\u003e\n  .ps-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .ps-hero { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .ps-hero .ps-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .ps-hero .ps-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 20px 0; color: white; }\n  .ps-hero .ps-meta { font-size: 0.95em; color: #67e8f9; margin: 0; letter-spacing: 1px; }\n  .ps-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .ps-section-alt { background: #ecfeff; }\n  .ps-section h2 { color: #155e75; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #06b6d4; }\n  .ps-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .ps-section p { font-size: 1.05em; margin: 0 0 18px 0; color: #334155; }\n  .ps-section strong { color: #0f172a; font-weight: 700; }\n  .ps-mdf-table { width: 100%; border-collapse: collapse; margin: 25px 0; background: #0f172a; color: #e2e8f0; border-radius: 8px; overflow: hidden; }\n  .ps-mdf-table td { padding: 14px 18px; border-bottom: 1px solid #1e293b; vertical-align: top; }\n  .ps-mdf-table tr:nth-child(even) { background: #0a1120; }\n  .ps-mdf-table tr:last-child td { border-bottom: none; }\n  .ps-mdf-table td:first-child { color: #06b6d4; font-weight: 700; white-space: nowrap; width: 25%; }\n  .ps-mdf-table td:nth-child(2) { color: white; font-weight: 700; width: 20%; }\n  .ps-mdf-table td:nth-child(3) { color: #cbd5e1; font-size: 0.95em; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"ps-wrap\"\u003e\n\n\u003cdiv class=\"ps-hero\"\u003e\n  \u003ch2 class=\"ps-title\"\u003eProline X P12-WS III\u003c\/h2\u003e\n  \u003cp class=\"ps-subtitle\"\u003eSingle 12\" Wedge Sealed Enclosure | V3\u003c\/p\u003e\n  \u003cp class=\"ps-meta\"\u003e1.0 ft³ Net  |  Sealed Alignment  |  Wedge Profile  |  8.5\" Max Depth  |  Langboard Elite MDF  |  Built in Tennessee\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ps-section\"\u003e\n  \u003ch2\u003eOne 12\" Driver. Wedge Geometry. Reclaims Trunk Space Without Compromise.\u003c\/h2\u003e\n  \u003cp\u003eThe \u003cstrong\u003eProline X P12-WS III\u003c\/strong\u003e is the third-generation single 12\" sealed wedge enclosure, built for installs where rear seat clearance and trunk cargo space matter as much as bass output. At \u003cstrong\u003e1.0 ft³ net sealed\u003c\/strong\u003e with a tapered profile that hugs the rear seat contour, this enclosure delivers the correct internal airspace for a 12\" driver in a footprint that reclaims inches of upper trunk space compared to a rectangular alternative.\u003c\/p\u003e\n  \u003cp\u003eThe wedge tapers from \u003cstrong\u003e13.75\" deep at the bottom to 8.5\" deep at the top\u003c\/strong\u003e, matching the natural recline angle of most modern rear seats. Position the shallow edge against the seatback and the deep edge on the trunk floor, the enclosure nestles flush against the seat naturally, eliminating the wasted triangular void that forms behind a rectangular enclosure. The \u003cstrong\u003e16\" width\u003c\/strong\u003e keeps side-to-side clearance manageable in compact and midsize trunks. The \u003cstrong\u003e1.0 ft³ internal volume\u003c\/strong\u003e lands in the correct sealed range for the vast majority of 12\" drivers on the market.\u003c\/p\u003e\n  \u003cp\u003eEvery panel is CNC-cut from \u003cstrong\u003eLangboard Elite MDF\u003c\/strong\u003e to exact internal volume and assembled by hand in our Tennessee facility. Available in \u003cstrong\u003eDark Gray Trunkliner\u003c\/strong\u003e at $169.99 or \u003cstrong\u003ePlush Black\u003c\/strong\u003e at $179.99. Shipping is included.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ps-section ps-section-alt\"\u003e\n  \u003ch2\u003eWhy Wedge Geometry\u003c\/h2\u003e\n\n  \u003ch3\u003eThe Problem With Rectangular Enclosures\u003c\/h3\u003e\n  \u003cp\u003eModern sedan and coupe rear seats recline at 20 to 30 degrees from vertical. When a rectangular enclosure is placed against that angled surface, the bottom edge sits flush against the seat while the top edge extends straight up into the trunk, leaving a triangular air gap behind the enclosure that serves no acoustic purpose. That wasted space typically measures 2 to 4 inches at the top edge. Space you could be using for cargo or simply not consuming visually.\u003c\/p\u003e\n\n  \u003ch3\u003eThe Solution\u003c\/h3\u003e\n  \u003cp\u003eThe P12-WS III's back panel angles at approximately 20 degrees, closely matching typical rear seat recline. Position the shallow edge (8.5\") against the seatback and the deep edge (13.75\") on the trunk floor, the enclosure fills the available space correctly with no wasted void behind it. The full \u003cstrong\u003e1.0 ft³ internal airspace\u003c\/strong\u003e is preserved through optimized width and height dimensions. No acoustic compromise versus a rectangular 12\" sealed enclosure of equivalent volume. Space savings only.\u003c\/p\u003e\n\n  \u003ch3\u003eWhere The Wedge Pays Off\u003c\/h3\u003e\n  \u003cp\u003eCompact sedans where every inch of trunk depth matters. Coupes and sports cars with aggressive seat recline angles. Midsize sedans where the driver wants serious bass without giving up cargo flexibility. Any install where the trunk gets used for groceries, luggage, or work gear and the enclosure has to share the space.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ps-section\"\u003e\n  \u003ch2\u003eConstruction: Langboard Elite MDF, V-Groove And Dado Joinery\u003c\/h2\u003e\n\n  \u003ch3\u003eLangboard Elite MDF, Named And Mill-Documented\u003c\/h3\u003e\n  \u003cp\u003eEvery panel is cut from \u003cstrong\u003eLangboard Elite MDF, 3\/4\" (18mm)\u003c\/strong\u003e, a named, mill-documented panel stock produced in the United States. The specifications below are pulled directly from Langboard's published mill data.\u003c\/p\u003e\n\n  \u003ctable class=\"ps-mdf-table\"\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDensity\u003c\/td\u003e\n      \u003ctd\u003e48.5 lbs\/ft³\u003c\/td\u003e\n      \u003ctd\u003eHigher density means less porosity, better screw retention, reduced resonance\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInternal Bond\u003c\/td\u003e\n      \u003ctd\u003e200 psi\u003c\/td\u003e\n      \u003ctd\u003eResistance to delamination under sustained bass pressure\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModulus of Elasticity\u003c\/td\u003e\n      \u003ctd\u003e410,000 psi\u003c\/td\u003e\n      \u003ctd\u003ePanel stiffness under load; less flex means less resonance\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFace Screw Holding\u003c\/td\u003e\n      \u003ctd\u003e325 lbs\u003c\/td\u003e\n      \u003ctd\u003eBaffle hardware stays locked under vibration\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eEdge Screw Holding\u003c\/td\u003e\n      \u003ctd\u003e250 lbs\u003c\/td\u003e\n      \u003ctd\u003eJoint integrity at every panel edge connection\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eV-Groove And Dado Joinery\u003c\/h3\u003e\n  \u003cp\u003eEvery panel joint uses \u003cstrong\u003eV-groove and dado joinery\u003c\/strong\u003e, CNC-cut interlocking grooves that mechanically lock panels before adhesive is applied. The angled back panel on a wedge enclosure presents joint geometry that simple butt joints cannot handle reliably over time. V-groove and dado joinery provides the mechanical interlocking and increased glue surface area that keeps angled joints airtight under bass pressure cycling.\u003c\/p\u003e\n\n  \u003ch3\u003eProline X Terminal Cup\u003c\/h3\u003e\n  \u003cp\u003eBuilt in-house at our Tennessee facility. \u003cstrong\u003eProline X ABS\/carbon fiber terminal cup with stainless hardware and copper ring terminals\u003c\/strong\u003e, pre-wired 12g OFC speaker wire. Recessed mount keeps the cup protected from cargo contact.\u003c\/p\u003e\n\n  \u003ch3\u003eHand-Assembled In Tennessee\u003c\/h3\u003e\n  \u003cp\u003eEvery enclosure is CNC-cut on ShopSabre industrial routers and hand-assembled at our facility in Tullahoma, Tennessee. Inspected before it ships. No overseas manufacturing.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ps-section ps-section-alt\"\u003e\n  \u003ch2\u003eFitment Guide\u003c\/h2\u003e\n\n  \u003ch3\u003eDimensional Specifications\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eExternal Dimensions:\u003c\/strong\u003e 16\" W x 14.5\" H x 8.5\" D (top) \/ 13.75\" D (bottom)\u003cbr\u003e\n  \u003cstrong\u003eNet Internal Volume:\u003c\/strong\u003e 1.0 ft³\u003cbr\u003e\n  \u003cstrong\u003eAlignment:\u003c\/strong\u003e Sealed\u003cbr\u003e\n  \u003cstrong\u003eSubwoofer Cutout:\u003c\/strong\u003e 11.13\"\u003cbr\u003e\n  \u003cstrong\u003eMax Mounting Depth:\u003c\/strong\u003e 8.5\"\u003cbr\u003e\n  \u003cstrong\u003eFront Panel Thickness:\u003c\/strong\u003e 0.75\" Single Baffle\u003c\/p\u003e\n\n  \u003ch3\u003eDriver Compatibility\u003c\/h3\u003e\n  \u003cp\u003eThe P12-WS III accommodates any 12\" subwoofer with a cutout diameter at or below \u003cstrong\u003e11.13\"\u003c\/strong\u003e and a mounting depth at or below \u003cstrong\u003e8.5\"\u003c\/strong\u003e. Optimal sealed volume range for the vast majority of 12\" drivers falls between 0.75 ft³ and 1.5 ft³, the P12-WS III's 1.0 ft³ sits in the middle of that range for broad compatibility. Verify published driver specs before ordering.\u003c\/p\u003e\n\n  \u003ch3\u003eInstallation Orientation\u003c\/h3\u003e\n  \u003cp\u003ePosition the \u003cstrong\u003eshallow edge (8.5\") against the rear seat\u003c\/strong\u003e, with the \u003cstrong\u003edeep edge (13.75\") on the trunk floor\u003c\/strong\u003e. This is the orientation that produces the space-saving benefit, the taper follows the angle of the rear seatback, eliminating the triangular void that forms behind a rectangular enclosure. Installing with the deep edge against the seat defeats the purpose of the wedge geometry entirely. Verify orientation before final installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ps-section\"\u003e\n  \u003ch2\u003eSingle 12\" Sealed. Wedge Geometry. Tennessee-Built.\u003c\/h2\u003e\n  \u003cp\u003eThe Proline X P12-WS III delivers a single 12\" sealed alignment in a footprint that works with your vehicle's rear seat geometry instead of against it. \u003cstrong\u003eLangboard Elite MDF. V-groove and dado joinery. Proline X ABS\/carbon fiber terminal cup\u003c\/strong\u003e with stainless hardware and copper ring terminals. Hand-assembled in Tennessee and inspected before it ships.\u003c\/p\u003e\n  \u003cp\u003eOne driver. Sealed accuracy. Wedge profile. Compact trunk footprint. Shipping included.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Dark Grey Trunk Liner","offer_id":42798431567961,"sku":"P12-S W G","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black Carpet","offer_id":42798431600729,"sku":"P12-S W B","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-performance-wedge-p12-ws-iii-sealed-enclosure-for-12-subwooferssubwoofer-enclosuresproline-x-6584912.jpg?v=1762008897"},{"product_id":"proline-x-micro-series-enclosure-fits-jl-10tw3","title":"Proline X Micro Series 10\" Sealed Enclosure - Fits JL Audio 10TW3","description":"\u003c!-- ============================================================\n     PROLINE X MICRO SERIES — JL AUDIO 10TW3\n     PRODUCT DESCRIPTION HTML\n     Color system: Green (#16a34a primary)\n     Enclosure-only SKU\n     ============================================================ --\u003e\n\n\u003cstyle\u003e\n  .ms-wrap * { box-sizing: border-box; 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}\n\n  \/* ── Why-cards grid ── *\/\n  .ms-card-grid {\n    display: grid;\n    grid-template-columns: repeat(2, 1fr);\n    gap: 18px;\n    margin: 24px 0;\n  }\n  @media (max-width: 600px) { .ms-card-grid { grid-template-columns: 1fr; } }\n  .ms-card {\n    background: #ffffff;\n    border: 1px solid #e2e8f0;\n    border-top: 3px solid #16a34a;\n    border-radius: 6px;\n    padding: 22px;\n  }\n  .ms-card-label {\n    display: inline-block;\n    background: #16a34a;\n    color: #ffffff;\n    font-size: 0.68em;\n    font-weight: 700;\n    letter-spacing: 0.1em;\n    text-transform: uppercase;\n    padding: 3px 10px;\n    border-radius: 3px;\n    margin-bottom: 10px;\n  }\n  .ms-card h4 {\n    color: #14532d;\n    font-size: 1em;\n    font-weight: 700;\n    margin: 0 0 10px 0;\n  }\n  .ms-card-divider {\n    height: 2px;\n    background: #16a34a;\n    width: 32px;\n    margin-bottom: 12px;\n    border-radius: 2px;\n  }\n  .ms-card p {\n    font-size: 0.93em;\n    color: #475569;\n    margin: 0;\n    line-height: 1.65;\n  }\n  .ms-card p strong { color: #14532d; }\n\n  \/* ── Warranty bar ── *\/\n  .ms-warranty {\n    background: #0f172a;\n    border-left: 5px solid #16a34a;\n    border-radius: 0 6px 6px 0;\n    padding: 20px 28px;\n    margin: 28px 0;\n    display: flex;\n    align-items: center;\n    gap: 20px;\n  }\n  .ms-warranty-badge {\n    background: #16a34a;\n    color: #ffffff;\n    font-size: 1em;\n    font-weight: 800;\n    padding: 10px 16px;\n    border-radius: 4px;\n    white-space: nowrap;\n  }\n  .ms-warranty p {\n    color: #cbd5e1;\n    font-size: 0.93em;\n    margin: 0;\n    line-height: 1.6;\n  }\n  .ms-warranty strong { color: #ffffff; }\n\n  \/* ── Fitment list ── *\/\n  .ms-fitment {\n    list-style: none;\n    margin: 14px 0 0 0;\n    padding: 0;\n    display: grid;\n    grid-template-columns: repeat(2, 1fr);\n    gap: 8px;\n  }\n  @media (max-width: 560px) { .ms-fitment { grid-template-columns: 1fr; } }\n  .ms-fitment li {\n    font-size: 0.93em;\n    color: #334155;\n    padding: 8px 12px;\n    background: #f0fdf4;\n    border-left: 3px solid #16a34a;\n    border-radius: 0 4px 4px 0;\n  }\n\n  \/* ── Divider ── *\/\n  .ms-divider {\n    border: none;\n    border-top: 1px solid #e2e8f0;\n    margin: 32px 0;\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"ms-wrap\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cdiv class=\"ms-hero\"\u003e\n    \u003cspan class=\"ms-hero-badge\"\u003eMicro Series | Enclosure Only\u003c\/span\u003e\n    \u003ch2\u003eBuilt Around the JL Audio 10TW3.\u003cbr\u003eNot Adapted to It.\u003c\/h2\u003e\n    \u003cp\u003eThe JL Audio 10TW3-D4 has one of the most precisely engineered shallow-mount motor structures in the industry. That precision only pays off inside an enclosure engineered to match it. The Proline X Micro Series enclosure for the 10TW3 delivers an exact 0.50 cubic foot sealed environment, the volume JL Audio specifies for optimal acoustic damping, in a 5.25\" total depth that fits where conventional builds cannot.\u003c\/p\u003e\n    \u003cdiv class=\"ms-hero-stats\"\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e0.50\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eCu Ft Net Volume\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e5.25\"\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eTotal Depth\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e3.25\"\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eMax Mount Depth\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003eCNC\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eCut in Tennessee\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- ENCLOSURE ONLY NOTICE --\u003e\n  \u003cdiv class=\"ms-alert\"\u003e\n    \u003cstrong\u003eEnclosure only.\u003c\/strong\u003e The JL Audio 10TW3-D4 subwoofer is not included. This enclosure is designed for customers who already own or are separately purchasing the 10TW3-D4 or 10TW3-D8.\n  \u003c\/div\u003e\n\n  \u003c!-- SECTION 1: Why This Enclosure --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eWhy the Enclosure Matters as Much as the Driver\u003c\/h3\u003e\n    \u003cp\u003eThe JL Audio 10TW3-D4 has a free-air resonance of 32.3 Hz, a Qts of 0.62, and a Vas of 19.82 liters. Those numbers tell you exactly what this driver needs from its enclosure: a sealed box in the 0.50 cubic foot range produces a system Qtc near 0.96, a slightly elevated damping curve that gives the 10TW3 the extension and transient control it was designed to deliver in compact sealed installs.\u003c\/p\u003e\n    \u003cp\u003eGeneric \"universal\" thin-box enclosures are built to an approximate size and sold across multiple driver models. Internal volume tolerances are loose, joints are glued without mechanical locking, and the panel mass is rarely sufficient to stay acoustically inert at high excursion levels. This enclosure is built to a defined spec for one driver. Internal volume is held to within 0.01 cubic foot. Every panel joint is CNC-cut for a mechanical dado fit before adhesive is applied. The result is a box that behaves the way the modeling says it should, consistently, from unit to unit.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- SECTION 2: Stack Fab Construction --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eStack Fab Construction: Why Depth Is Not the Enemy\u003c\/h3\u003e\n    \u003cp\u003eThin enclosures have a structural problem that standard-depth boxes don't: less panel depth means less rigidity, which means more panel resonance. The Proline X Micro Series addresses this directly through stack-fab layering, CNC-cut MDF panels are layered and bonded in overlapping orientations so that no glue joint runs the full depth of any critical wall. The result is a high-mass, mechanically locked enclosure that resists flex at the panel level, not just at the corners.\u003c\/p\u003e\n    \u003cp\u003eEvery interior dimension is machined to maintain 0.50 cubic feet of net internal volume after accounting for driver displacement, terminal hardware, and polyfill. Polyfill is pre-installed from the factory, it increases the effective acoustic volume by slowing the speed of sound inside the enclosure, which extends low-frequency performance without adding external size.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WHY CARDS --\u003e\n  \u003cdiv class=\"ms-card-grid\"\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eVolume\u003c\/span\u003e\n      \u003ch4\u003eSpec-Matched to JL Audio's Published Data\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eJL Audio publishes an optimum sealed volume of \u003cstrong\u003e0.50 cubic feet\u003c\/strong\u003e for the 10TW3. This enclosure delivers exactly that, not approximately, not \"up to.\" Internal volume is machined to tolerance so the driver's Qtc lands where the T\/S parameters predict it.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eDepth\u003c\/span\u003e\n      \u003ch4\u003e5.25\" Total: Driver Clears with Margin\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe 10TW3 requires \u003cstrong\u003e3.25\" of mounting depth\u003c\/strong\u003e. The Micro Series provides 4.5\" of usable internal depth, enough for full driver clearance including the rear magnet structure, with no contact risk at full excursion.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eStructure\u003c\/span\u003e\n      \u003ch4\u003eDado Joinery: No Joint Relies on Glue Alone\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eEvery panel-to-panel connection uses CNC-cut interlocking dado slots. The mechanical fit holds the joint in alignment under load. Adhesive seals the joint permanently. Neither alone is sufficient. Both together create a connection that will not loosen, shift, or leak under sustained high-excursion use.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eWiring\u003c\/span\u003e\n      \u003ch4\u003eGold-Plated Terminal Cup: Pre-Wired from the Factory\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe enclosure ships with a \u003cstrong\u003egold-plated spring-loaded terminal cup\u003c\/strong\u003e already installed and pre-wired internally with \u003cstrong\u003e12-gauge oxygen-free copper\u003c\/strong\u003e run directly to the driver mounting location. Connect your amplifier run to the terminal cup, mount the driver to the threaded inserts, and you are done. No internal wiring work required.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eAcoustic\u003c\/span\u003e\n      \u003ch4\u003eFactory-Installed Polyfill\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003ePolyfill is packed and installed at the factory. It acoustically increases the effective volume of the enclosure, extending the 10TW3's low-frequency output without changing the external footprint. This is not a cosmetic addition. It is an acoustic tuning step built into the manufacturing process.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eFitment\u003c\/span\u003e\n      \u003ch4\u003e9.625\" Cutout: Matches JL Audio Tab-Ear Spec\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe 10TW3 uses a tab-ear mounting system with a \u003cstrong\u003e9.625\" cutout diameter\u003c\/strong\u003e: this enclosure is machined to that exact spec. The mounting hole is not a generic 10\" cutout trimmed down. The baffle is cut for this driver specifically.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eMounting\u003c\/span\u003e\n      \u003ch4\u003eThreaded Inserts, Machine Screw Mounting, Not Wood Screws\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe back side of the baffle is fitted with \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e. The 10TW3 mounts with machine screws threading into steel inserts, not wood screws biting into MDF. Machine screw mounting does not strip out under repeated removal, maintains consistent clamping force across all mounting points, and holds the driver flush against the baffle gasket without over-torquing any single corner.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003c!-- HIGHLIGHT: Installer Note --\u003e\n  \u003cdiv class=\"ms-highlight\"\u003e\n    \u003ch3\u003eReady to Mount. Ready to Wire.\u003c\/h3\u003e\n    \u003cp\u003eThe Micro Series enclosure ships fully prepped for installation. The \u003cstrong\u003egold-plated spring-loaded terminal cup\u003c\/strong\u003e is installed and pre-wired to the driver location with 12-gauge OFC. Connect your amplifier run and you are done on the wiring side. The baffle is fitted with \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e on the back face, the 10TW3 mounts with machine screws into steel inserts, not wood screws into MDF. No risk of stripped mounting holes on a future driver swap.\u003c\/p\u003e\n    \u003ch3 style=\"margin-top:18px;\"\u003eA Note on Impedance Options\u003c\/h3\u003e\n    \u003cp\u003eThe JL Audio 10TW3 is available in two impedance configurations: the \u003cstrong\u003e10TW3-D4\u003c\/strong\u003e (dual 4-ohm voice coils) and the \u003cstrong\u003e10TW3-D8\u003c\/strong\u003e (dual 8-ohm voice coils). This enclosure fits both. Cutout diameter, mounting depth, and internal volume are identical across D4 and D8 builds.\u003c\/p\u003e\n    \u003cp\u003eWith a D4: wire parallel for a 2-ohm load or series for an 8-ohm load. With a D8: wire parallel for a 4-ohm load or series for a 16-ohm load. Most amplifier pairings use the D4 wired to 2 ohms. Confirm your amplifier's stable impedance before selecting the driver variant.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FITMENT SECTION --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eWhere It Fits\u003c\/h3\u003e\n    \u003cp\u003eAt 21.5\" × 14.5\" × 5.25\", this enclosure fits in spaces that rule out virtually every conventional sealed build. Common install locations:\u003c\/p\u003e\n    \u003cul class=\"ms-fitment\"\u003e\n      \u003cli\u003eUnder-seat: extended cab and crew cab trucks\u003c\/li\u003e\n      \u003cli\u003eTrunk corners: compact and mid-size sedans\u003c\/li\u003e\n      \u003cli\u003eSide cargo panels: SUVs and crossovers\u003c\/li\u003e\n      \u003cli\u003eBehind-seat: full-size truck cabs\u003c\/li\u003e\n      \u003cli\u003eHatch floor: sports cars and hatchbacks\u003c\/li\u003e\n      \u003cli\u003eUnder-bed storage: utility and work vehicles\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WARRANTY --\u003e\n  \u003cdiv class=\"ms-warranty\"\u003e\n    \u003cdiv class=\"ms-warranty-badge\"\u003e2-Year Warranty\u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eAll Proline X Micro Series enclosures are covered by a two-year manufacturer's warranty\u003c\/strong\u003e against defects in materials and workmanship. Enclosures are built in our Tennessee facility and inspected before shipment. Contact Audio Intensity directly for warranty support.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003chr class=\"ms-divider\"\u003e\n\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eMade in Tennessee\u003c\/h3\u003e\n    \u003cp\u003eEvery Proline X Micro Series enclosure is CNC-cut and hand-assembled in Tullahoma, Tennessee. Panels are cut on ShopSabre CNC routers to maintain dimensional tolerances that manual fabrication cannot achieve consistently. Internal volume, dado joint depth, cutout diameter, and terminal cup placement are all held to spec on every unit, not just on the sample used to generate the product listing. \u003cspan class=\"ms-langboard\"\u003eLangboard Elite MDF\u003c\/span\u003e is used across the full Micro Series build, a named, mill-documented board with published density specifications, not a generic \"premium MDF\" claim.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":43075494641753,"sku":"M10-S JL","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/jl-audio-10tw3-d4-in-proline-x-micro-series-enclosureenclosed-subwooferproline-x-745238.jpg?v=1774209158"},{"product_id":"proline-x-sealed-10-enclosure-loaded-with-prodigy-audio-nb3","title":"Proline-X Sealed 10\" Enclosure – Loaded with Prodigy Audio 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td{background:#2e1065;color:#fff;font-weight:600;}\n.pl-char{display:block;font-size:.78em;color:#94a3b8;font-weight:400;margin-top:2px;}\n.pl-opt .pl-char{color:#c4b5fd;}\n.pl-graph{background:#020617;border:1px solid #334155;border-radius:8px;padding:14px;margin:18px 0;}\n.pl-graph-title{font-size:.78em;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#94a3b8;margin:0 0 10px;}\n.pl-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;}\n.pl-legend-item{display:flex;align-items:center;gap:6px;font-size:12px;color:#94a3b8;}\n.pl-sw{width:22px;height:3px;border-radius:2px;display:inline-block;}\n.pl-note{background:#1e293b;border:1px solid #334155;border-radius:8px;padding:14px 16px;margin-top:6px;}\n.pl-note p{margin:0;color:#cbd5e1;font-size:13.5px;line-height:1.6;}\n.pl-link{color:#a78bfa;text-decoration:underline;}\n.pl-cta{background:linear-gradient(135deg,#020617 0%,#2e1065 100%);padding:40px 36px;text-align:center;color:#fff;}\n.pl-cta h3{color:#fff;font-size:1.4em;margin:0 0 10px;border:none;padding:0;}\n.pl-cta p{opacity:.92;margin:0 auto;max-width:640px;color:#cbd5e1;}\n@media(max-width:600px){.pl-hero h2{font-size:1.7em;}.pl-section,.pl-enc,.pl-cta,.pl-hero{padding-left:20px;padding-right:20px;}}\n\u003c\/style\u003e\n\u003cdiv class=\"pl-wrap\"\u003e\n\n\u003cdiv class=\"pl-hero\"\u003e\n\u003ch2\u003eProline X Micro Series Enclosure for the Prodigy NB3-10d4\u003c\/h2\u003e\n\u003cp\u003eCut and tuned for the Prodigy NB3-10d4\u003c\/p\u003e\n\u003cdiv class=\"pl-badges\"\u003e\n\u003cspan class=\"pl-badge\"\u003eCNC Stack-Fab\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003e0.80 cu ft Net\u003c\/span\u003e\n\u003cspan class=\"pl-badge\"\u003eFits Prodigy NB3-10d4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-stats\"\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.80\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft net\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e3.000\"\u003c\/span\u003e\u003cspan class=\"l\"\u003eNB3-10d4 mounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-stat\"\u003e\n\u003cspan class=\"n\"\u003e11mm\u003c\/span\u003e\u003cspan class=\"l\"\u003eone-way Xmax\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eBuilt Around the Prodigy NB3-10d4\u003c\/h3\u003e\n\u003cp\u003eNothing about this box is generic. Every layer is cut to the NB3-10d4's published sealed target, with the baffle bored to the NB3-10d4's 9.125\" cutout with 8\/32 threaded inserts set on the back face, and clearance cut for its 3.000\" mounting depth.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eNet Volume, Not Gross\u003c\/h3\u003e\n\u003cp\u003eWe build this cabinet at \u003cstrong\u003e0.80 cubic feet net\u003c\/strong\u003e. The volume quoted is true net internal airspace, measured after the walls, bracing and driver displacement are accounted for.\u003c\/p\u003e\n\u003cdiv class=\"pl-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eTrue net, not marketing net.\u003c\/strong\u003e Internal volume is calculated by summing\neach CNC cut layer's opening, not estimated from external dimensions minus wall thickness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eProline X Micro Series Construction\u003c\/h3\u003e\n\u003cp\u003eThis enclosure is stack fabricated on our ShopSabre routers from Langboard Elite 3\/4 inch MDF,\na dense 48.5 lb\/ft³ board with a 200 psi internal bond and 410,000 psi MOE.\nEvery layer is a precision cut ring and the stacked layers do the joining themselves, so there is no butt joint or dado to flex or leak. Dowel reinforcement runs between layers as tension hardware only.\u003c\/p\u003e\n\u003cdiv class=\"pl-grid\"\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eThreaded Inserts, Not Wood Screws\u003c\/h4\u003e\n\u003cp\u003e8\/32 threaded inserts are set on the backside of the baffle so the driver mounts on machine screws. Pull it a dozen times and the threads are still there.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n\u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired internally with \u003cstrong\u003e12 gauge OFC\u003c\/strong\u003e. No CCA anywhere in the build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-card\"\u003e\n\u003ch4\u003eDamped and Finished\u003c\/h4\u003e\n\u003cp\u003ePolyfill is pre-installed to smooth the in box response, and the shell is wrapped in plush black carpet. Built in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-section\"\u003e\n\u003ch3\u003eEnclosure Only or Loaded\u003c\/h3\u003e\n\u003cp\u003eOrder the enclosure bare and mount your own NB3-10d4, or order it loaded and we mount the driver, dress the wiring and ship it ready to bolt in.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pl-cta\"\u003e\n\u003ch3\u003eCut for the Driver, Not the Catalog\u003c\/h3\u003e\n\u003cp\u003eSelect your configuration above. This enclosure ships free to the lower 48 with a 2 year limited warranty, built one at a time in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":43097750306905,"sku":"M10-S NB3 D4","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-sealed-10-enclosure-loaded-with-prodigy-audio-nb3subwoofer-enclosuresproline-x-2701125.jpg?v=1772142068"},{"product_id":"proline-x-p8-s-single-8-sealed-subwoofer-enclosure-v3","title":"Proline X P8-S | Single 8\" Sealed Subwoofer Enclosure | V3","description":"\u003cstyle\u003e\n .px-desc {\n font-family: 'Helvetica Neue', Arial, sans-serif;\n line-height: 1.8;\n color: #1e293b;\n max-width: 1200px;\n margin: 0 auto;\n background: #ffffff;\n }\n\n .px-hero {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-hero .px-title {\n font-size: 2.6em;\n font-weight: 800;\n text-transform: uppercase;\n letter-spacing: 2px;\n margin: 0 0 10px 0;\n color: white;\n }\n\n .px-hero .px-subtitle {\n font-size: 1.2em;\n font-weight: 300;\n opacity: 0.9;\n margin: 0 0 30px 0;\n }\n\n .px-badges {\n display: flex;\n justify-content: center;\n flex-wrap: wrap;\n gap: 12px;\n margin-top: 20px;\n }\n\n .px-badge {\n background: rgba(6, 182, 212, 0.2);\n border: 1px solid #06b6d4;\n color: #67e8f9;\n padding: 8px 20px;\n border-radius: 20px;\n font-size: 0.9em;\n font-weight: 600;\n letter-spacing: 0.5px;\n }\n\n .px-section {\n padding: 50px 40px;\n border-bottom: 1px solid #e2e8f0;\n background: #ffffff;\n }\n\n .px-section:nth-child(even) {\n background: #f0f9ff;\n }\n\n .px-section h2 {\n color: #0e7490;\n font-size: 2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n padding-bottom: 12px;\n border-bottom: 3px solid #06b6d4;\n }\n\n .px-section h3 {\n color: #0f172a;\n font-size: 1.4em;\n font-weight: 600;\n margin: 30px 0 15px 0;\n }\n\n .px-section p {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 18px;\n }\n\n .px-section ul {\n margin: 15px 0;\n padding-left: 25px;\n }\n\n .px-section li {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 10px;\n line-height: 1.7;\n }\n\n .px-grid {\n display: grid;\n grid-template-columns: repeat(2, 1fr);\n gap: 24px;\n margin: 30px 0;\n }\n\n .px-card {\n background: #ffffff;\n border: 1px solid #e2e8f0;\n border-top: 4px solid #06b6d4;\n border-radius: 6px;\n padding: 24px;\n }\n\n .px-card h4 {\n color: #0e7490;\n font-size: 1.15em;\n font-weight: 700;\n margin: 0 0 12px 0;\n }\n\n .px-card p {\n font-size: 1em;\n color: #475569;\n margin: 0;\n line-height: 1.7;\n }\n\n .px-highlight {\n background: #f0f9ff;\n border-left: 5px solid #06b6d4;\n padding: 24px 28px;\n margin: 28px 0;\n border-radius: 0 6px 6px 0;\n }\n\n .px-highlight h3 {\n color: #0e7490;\n margin: 0 0 12px 0;\n font-size: 1.2em;\n }\n\n .px-highlight p {\n margin-bottom: 10px;\n color: #1e293b;\n }\n\n .px-cta {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-cta h2 {\n font-size: 2.2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n color: white;\n border: none;\n padding: 0;\n }\n\n .px-cta p {\n font-size: 1.15em;\n opacity: 0.92;\n max-width: 800px;\n margin: 0 auto 20px auto;\n color: white;\n }\n\n .px-driver-link {\n display: inline-block;\n background: #f0f9ff;\n border: 2px solid #06b6d4;\n border-radius: 6px;\n padding: 16px 24px;\n margin: 10px 10px 10px 0;\n text-decoration: none;\n color: #0e7490;\n font-weight: 700;\n font-size: 1em;\n transition: all 0.2s ease;\n }\n\n .px-driver-link:hover {\n background: #06b6d4;\n color: white;\n }\n\n @media (max-width: 768px) {\n .px-hero { padding: 40px 20px; }\n .px-hero .px-title { font-size: 1.8em; }\n .px-section { padding: 30px 20px; }\n .px-section h2 { font-size: 1.6em; }\n .px-grid { grid-template-columns: 1fr; }\n .px-cta { padding: 40px 20px; }\n .px-cta h2 { font-size: 1.6em; }\n }\n\u003c\/style\u003e\n\n\u003cdiv class=\"px-desc\"\u003e\n\n \u003c!-- Hero --\u003e\n \u003cdiv class=\"px-hero\"\u003e\n \u003cp class=\"px-title\"\u003eProline X P8-S\u003c\/p\u003e\n \u003cp class=\"px-subtitle\"\u003eSingle 8\" Sealed Subwoofer Enclosure | V3\u003c\/p\u003e\n \u003cdiv class=\"px-badges\"\u003e\n \u003cspan class=\"px-badge\"\u003e0.45 ft³ Net\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003eSealed Alignment\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003e0.75\" Single Baffle\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003e6.125\" Max Depth\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Introduction --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eAccurate Bass. Compact Footprint. No Compromises on Build Quality.\u003c\/h2\u003e\n \u003cp\u003eThe \u003cstrong\u003eProline X P8-S\u003c\/strong\u003e is a single 8\" sealed enclosure built for installs where accuracy and controlled bass response matter more than raw output. Sealed alignment on an 8\" driver produces tight, transient-accurate low frequencies that integrate cleanly with a front stage, no port resonance, no boost peak, no frequency-specific coloration. The response is flat and predictable, which makes it easy to tune with a DSP or amplifier bass control and gives you a bass foundation that works with the music rather than over it.\u003c\/p\u003e\n \u003cp\u003eAt \u003cstrong\u003e13\" wide, 10\" tall, and 10.5\" deep\u003c\/strong\u003e, the P8-S fits behind most rear seats, under most truck bench seats, and in trunk corners that a larger enclosure would not clear. The \u003cstrong\u003e6.125\" max mounting depth\u003c\/strong\u003e accommodates the majority of standard 8\" drivers including high-excursion SQ-oriented motors that would exceed the depth limit on shallower boxes.\u003c\/p\u003e\n \u003cp\u003eEvery panel is CNC-cut from \u003cstrong\u003eLangboard Elite MDF\u003c\/strong\u003e to exact internal volume and assembled by hand in our Tennessee facility. A single recessed \u003cstrong\u003eABS\/Carbon Fiber Composite terminal cup\u003c\/strong\u003e handles wiring, pre-wired with \u003cstrong\u003e12g OFC speaker wire\u003c\/strong\u003e. Finish options are Dark Gray Trunkliner or Plush Black. Shipping is included.\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003c!-- Why Sealed --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eWhy Sealed for an 8\" SQ Build\u003c\/h2\u003e\n \u003cp\u003eThe 8\" driver occupies a specific role in car audio. It is the preferred size for sound quality competition and critical listening installs because its low moving mass allows it to start and stop faster than larger drivers. Pairing that speed advantage with a sealed enclosure preserves the transient accuracy that makes the 8\" format valuable in the first place. A ported 8\" produces more output but trades some of that precision for efficiency. The P8-S is built for the listener who wants the 8\" to do what it does best.\u003c\/p\u003e\n \u003cp\u003eAt \u003cstrong\u003e0.45 ft³ net\u003c\/strong\u003e, the P8-S puts most standard 8\" drivers in the middle of their recommended sealed range, not undersized, not oversized. No damping material required to correct an oversized box. No excursion limiting from a box that is too small. The volume is matched to the driver category.\u003c\/p\u003e\n \u003cdiv class=\"px-grid\"\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eTransient Accuracy\u003c\/h4\u003e\n \u003cp\u003eSealed alignment allows the driver to start and stop precisely with the music. Bass notes have distinct attack and decay. The P8-S preserves the speed advantage that makes the 8\" format the preferred choice for SQ competition and critical listening.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eFlat, Predictable Response\u003c\/h4\u003e\n \u003cp\u003eNo port resonance. No tuning peak. No frequency-specific coloration. The P8-S produces a smooth, controlled rolloff below resonance that integrates cleanly with a front stage and responds accurately to DSP correction.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eDSP-Friendly Alignment\u003c\/h4\u003e\n \u003cp\u003eSealed enclosures exhibit a predictable 12 dB\/octave rolloff that responds accurately to DSP bass boost and crossover adjustments. If you are running a Goldhorn DSP or any active processor, sealed is the alignment that gives you the most control over the final response.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003e0.45 ft³: Correctly Sized\u003c\/h4\u003e\n \u003cp\u003eMost 8\" drivers intended for sealed alignment specify optimal volumes between 0.35 ft³ and 0.60 ft³. The P8-S lands in the center of that range, providing universal compatibility without requiring volume correction or damping material.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Construction --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eConstruction: Built to the Same Standard as Every Proline X Enclosure\u003c\/h2\u003e\n \u003cp\u003eThe P8-S uses the same construction methodology as every enclosure in the Proline X Performance Series. Langboard Elite MDF. V-groove and dado joinery. In-house terminal cup. Hand-assembled in Tennessee. The only variables between SKUs are dimensions, volume, and alignment, the build quality is consistent across the lineup.\u003c\/p\u003e\n\n \u003ch3\u003eLangboard Elite MDF, Named, Verified, Documented\u003c\/h3\u003e\n \u003cp\u003eEvery panel is cut from \u003cstrong\u003eLangboard Elite MDF: 3\/4\" (18mm)\u003c\/strong\u003e, a named, mill-documented panel stock produced in the United States. Generic MDF descriptions like \"high-density\" or \"premium\" carry no defined standard. Langboard Elite carries published mill data that is verifiable and consistent sheet to sheet.\u003c\/p\u003e\n\n \u003cdiv class=\"px-highlight\"\u003e\n \u003ch3\u003eLangboard Elite: Published Mill Data\u003c\/h3\u003e\n \u003cp\u003e\u003cstrong\u003eDensity:\u003c\/strong\u003e 48.5 lbs\/ft³, higher density means less porosity, better screw retention, and reduced resonance\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eInternal Bond:\u003c\/strong\u003e 200 psi, resistance to delamination under sustained bass pressure cycling\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eModulus of Elasticity:\u003c\/strong\u003e 410,000 psi, panel stiffness under load; less flex means less resonance\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eFace Screw Holding:\u003c\/strong\u003e 325 lbs, baffle hardware stays locked under vibration\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eEdge Screw Holding:\u003c\/strong\u003e 250 lbs, joint integrity at every panel edge connection\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003ch3\u003eV-Groove and Dado Joinery\u003c\/h3\u003e\n \u003cp\u003eEvery panel joint uses \u003cstrong\u003eV-groove and dado joinery\u003c\/strong\u003e, CNC-cut interlocking grooves that mechanically lock panels before adhesive is applied. The dado creates a tongue-and-groove mechanical interlock that resists shear forces regardless of glue condition. Every corner is locked. Every seam is airtight. Sealed enclosures in particular depend on joint integrity, a single air leak degrades bass output and response accuracy. The P8-S does not leak.\u003c\/p\u003e\n\n \u003ch3\u003eIn-House ABS\/Carbon Fiber Composite Terminal Cup\u003c\/h3\u003e\n \u003cp\u003eThe terminal cup is built in-house at our Tennessee facility. The \u003cstrong\u003eABS\/Carbon Fiber Composite recessed cup\u003c\/strong\u003e features stainless steel hardware, aluminum landing plates, and copper ring terminals, pre-wired with \u003cstrong\u003e12g OFC speaker wire\u003c\/strong\u003e. The recessed mount protects terminals from cargo contact. Copper ring terminals provide a clean, corrosion-resistant connection point that does not loosen over time under vibration.\u003c\/p\u003e\n\n \u003cdiv class=\"px-grid\"\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eShopSabre CNC Routers\u003c\/h4\u003e\n \u003cp\u003eEvery panel is machine-cut on ShopSabre industrial CNC routers. Consistent geometry, no hand-cut variance, no gaps at the joints. The internal volume of every P8-S is identical to spec.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eHand-Assembled in Tennessee\u003c\/h4\u003e\n \u003cp\u003eEvery enclosure is hand-assembled at our Tennessee facility and inspected before it ships. No overseas manufacturing. No batch assembly shortcuts.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eDark Gray Trunkliner or Plush Black\u003c\/h4\u003e\n \u003cp\u003eBoth finish options are professionally applied. Dark Gray Trunkliner blends with factory trunk materials for a clean, stealth appearance. Plush Black delivers the traditional aftermarket look. Both are durably bonded.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eShipping Included\u003c\/h4\u003e\n \u003cp\u003eNo freight charges at checkout. The price you see is the price you pay. The enclosure ships assembled and ready to install.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Fitment --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eFitment Guide\u003c\/h2\u003e\n \u003cp\u003eThe P8-S is one of the more compact single 8\" sealed enclosures in the Performance Series. At \u003cstrong\u003e13\"W x 10\"H x 10.5\"D\u003c\/strong\u003e it fits behind most rear seats in compact and mid-size vehicles and under most truck bench seats without modification.\u003c\/p\u003e\n\n \u003ch3\u003eDimensional Specifications\u003c\/h3\u003e\n \u003cdiv class=\"px-highlight\"\u003e\n \u003cp\u003e\u003cstrong\u003eExternal Dimensions:\u003c\/strong\u003e 13\" W x 10\" H x 10.5\" D\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eNet Internal Volume:\u003c\/strong\u003e 0.45 ft³\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eTuning Frequency:\u003c\/strong\u003e N\/A, Sealed\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eSubwoofer Cutout:\u003c\/strong\u003e 7.25\"\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eMax Mounting Depth:\u003c\/strong\u003e 6.125\"\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eFront Panel Thickness:\u003c\/strong\u003e 0.75\" Single Baffle\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003ch3\u003eDriver Compatibility\u003c\/h3\u003e\n \u003cp\u003eThe P8-S accommodates any 8\" subwoofer with a cutout diameter at or below \u003cstrong\u003e7.25\"\u003c\/strong\u003e and a mounting depth at or below \u003cstrong\u003e6.125\"\u003c\/strong\u003e. Verify both dimensions against your driver's published specifications before ordering.\u003c\/p\u003e\n\n \u003ch3\u003eCompatible Drivers\u003c\/h3\u003e\n \u003cp\u003eThe following drivers are available from Audio Intensity and are compatible with the P8-S:\u003c\/p\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/image-dynamics-id8-v4-8inch-subwoofer\"\u003eImage Dynamics ID8 V4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-8-inch-subwoofer-nb2-series\"\u003eProdigy NB2-8D4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/image-dynamics-idq8d2-v4-8inch-subwoofer\"\u003eImage Dynamics IDQ8 V4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-8-inch-subwoofer-nb5-series\"\u003eProdigy NB5-8D4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/arc-audio-arc-series-8-subwoofer\"\u003eArc Audio Arc Series 8\" \u003c\/a\u003e\n \u003cp style=\"font-size:0.9em; color:#64748b; margin-top:12px;\"\u003eAlways verify cutout diameter and mounting depth against your specific driver's published specifications before ordering.\u003c\/p\u003e\n\n \u003ch3\u003eIdeal Install Applications\u003c\/h3\u003e\n \u003cdiv class=\"px-grid\"\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eUnder Truck Bench Seat\u003c\/h4\u003e\n \u003cp\u003eAt 10.5\" deep and 10\" tall, the P8-S fits under most full-size truck bench seats without modification. A clean, invisible install that does not sacrifice cab space.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eBehind Rear Seat\u003c\/h4\u003e\n \u003cp\u003eThe compact footprint fits behind most rear seats in compact and mid-size sedans. The 13\" width leaves room for spare tire access in most configurations.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eSQ and Competition Builds\u003c\/h4\u003e\n \u003cp\u003eSealed alignment and 0.45 ft³ net volume make the P8-S the correct enclosure for 8\" drivers used in sound quality competition builds where accuracy and integration with the front stage are the priority.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eDSP-Controlled Systems\u003c\/h4\u003e\n \u003cp\u003eThe flat, predictable sealed rolloff makes the P8-S the preferred enclosure format for systems running a Goldhorn DSP or any active processor. Sealed alignment responds accurately to DSP correction and equalization.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- CTA --\u003e\n \u003cdiv class=\"px-cta\"\u003e\n \u003ch2\u003eTight Bass. Tennessee-Built. Shipping Included.\u003c\/h2\u003e\n \u003cp\u003eThe Proline X P8-S is a single 8\" sealed enclosure built to a spec, not a price point. Langboard Elite MDF. V-groove and dado joinery. In-house terminal cup. Hand-assembled in Tennessee and inspected before it ships.\u003c\/p\u003e\n \u003cp\u003eIf you are building an SQ system, running a DSP, or just need accurate controlled bass from a compact footprint. This is the correct enclosure. \u003cstrong\u003e$129.99 Dark Gray Trunkliner. $139.99 Plush Black.\u003c\/strong\u003e Shipping included.\u003c\/p\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Dark Gray Trunkliner","offer_id":43144801288281,"sku":"P8-S III G","price":129.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black","offer_id":43144801321049,"sku":"P8-S III B","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-p8-s-single-8-sealed-subwoofer-enclosure-v3subwoofer-enclosuresproline-x-6759569.png?v=1773272955"},{"product_id":"proline-x-p8d-s-dual-8-sealed-subwoofer-enclosure-v3","title":"Proline X P8D-S | Dual 8\" Sealed Subwoofer Enclosure | V3","description":"\u003cstyle\u003e\n .px-desc {\n font-family: 'Helvetica Neue', Arial, sans-serif;\n line-height: 1.8;\n color: #1e293b;\n max-width: 1200px;\n margin: 0 auto;\n background: #ffffff;\n }\n\n .px-hero {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-hero .px-title {\n font-size: 2.6em;\n font-weight: 800;\n text-transform: uppercase;\n letter-spacing: 2px;\n margin: 0 0 10px 0;\n color: white;\n }\n\n .px-hero .px-subtitle {\n font-size: 1.2em;\n font-weight: 300;\n opacity: 0.9;\n margin: 0 0 30px 0;\n }\n\n .px-badges {\n display: flex;\n justify-content: center;\n flex-wrap: wrap;\n gap: 12px;\n margin-top: 20px;\n }\n\n .px-badge {\n background: rgba(6, 182, 212, 0.2);\n border: 1px solid #06b6d4;\n color: #67e8f9;\n padding: 8px 20px;\n border-radius: 20px;\n font-size: 0.9em;\n font-weight: 600;\n letter-spacing: 0.5px;\n }\n\n .px-section {\n padding: 50px 40px;\n border-bottom: 1px solid #e2e8f0;\n background: #ffffff;\n }\n\n .px-section:nth-child(even) {\n background: #f0f9ff;\n }\n\n .px-section h2 {\n color: #0e7490;\n font-size: 2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n padding-bottom: 12px;\n border-bottom: 3px solid #06b6d4;\n }\n\n .px-section h3 {\n color: #0f172a;\n font-size: 1.4em;\n font-weight: 600;\n margin: 30px 0 15px 0;\n }\n\n .px-section p {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 18px;\n }\n\n .px-section ul {\n margin: 15px 0;\n padding-left: 25px;\n }\n\n .px-section li {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 10px;\n line-height: 1.7;\n }\n\n .px-grid {\n display: grid;\n grid-template-columns: repeat(2, 1fr);\n gap: 24px;\n margin: 30px 0;\n }\n\n .px-card {\n background: #ffffff;\n border: 1px solid #e2e8f0;\n border-top: 4px solid #06b6d4;\n border-radius: 6px;\n padding: 24px;\n }\n\n .px-card h4 {\n color: #0e7490;\n font-size: 1.15em;\n font-weight: 700;\n margin: 0 0 12px 0;\n }\n\n .px-card p {\n font-size: 1em;\n color: #475569;\n margin: 0;\n line-height: 1.7;\n }\n\n .px-highlight {\n background: #f0f9ff;\n border-left: 5px solid #06b6d4;\n padding: 24px 28px;\n margin: 28px 0;\n border-radius: 0 6px 6px 0;\n }\n\n .px-highlight h3 {\n color: #0e7490;\n margin: 0 0 12px 0;\n font-size: 1.2em;\n }\n\n .px-highlight p {\n margin-bottom: 10px;\n color: #1e293b;\n }\n\n .px-cta {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-cta h2 {\n font-size: 2.2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n color: white;\n border: none;\n padding: 0;\n }\n\n .px-cta p {\n font-size: 1.15em;\n opacity: 0.92;\n max-width: 800px;\n margin: 0 auto 20px auto;\n color: white;\n }\n\n .px-driver-link {\n display: inline-block;\n background: #f0f9ff;\n border: 2px solid #06b6d4;\n border-radius: 6px;\n padding: 16px 24px;\n margin: 10px 10px 10px 0;\n text-decoration: none;\n color: #0e7490;\n font-weight: 700;\n font-size: 1em;\n transition: all 0.2s ease;\n }\n\n .px-driver-link:hover {\n background: #06b6d4;\n color: white;\n }\n\n @media (max-width: 768px) {\n .px-hero { padding: 40px 20px; }\n .px-hero .px-title { font-size: 1.8em; }\n .px-section { padding: 30px 20px; }\n .px-section h2 { font-size: 1.6em; }\n .px-grid { grid-template-columns: 1fr; }\n .px-cta { padding: 40px 20px; }\n .px-cta h2 { font-size: 1.6em; }\n }\n\u003c\/style\u003e\n\n\u003cdiv class=\"px-desc\"\u003e\n\n \u003c!-- Hero --\u003e\n \u003cdiv class=\"px-hero\"\u003e\n \u003cp class=\"px-title\"\u003eProline X P8D-S\u003c\/p\u003e\n \u003cp class=\"px-subtitle\"\u003eDual 8\" Sealed Subwoofer Enclosure | V3\u003c\/p\u003e\n \u003cdiv class=\"px-badges\"\u003e\n \u003cspan class=\"px-badge\"\u003e0.90 ft³ Net\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003eSealed Alignment\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003e11.5\" Max Depth\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003eDual Independent Cups\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Introduction --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eTwo Drivers. One Sealed Enclosure. Built for Installs That Need Width, Not Depth.\u003c\/h2\u003e\n \u003cp\u003eThe \u003cstrong\u003eProline X P8D-S\u003c\/strong\u003e is a dual 8\" sealed enclosure built for installs that need the output and soundstage of two drivers without the depth requirement of a larger single-driver ported box. At \u003cstrong\u003e0.90 ft³ net\u003c\/strong\u003e, 0.45 ft³ per driver, and sealed alignment, this enclosure delivers controlled, accurate bass across a wider presentation than a single 8\" can produce. Two drivers in sealed alignment produce a more even low-frequency field across the vehicle cabin, a wider perceived soundstage, and combined cone area that approaches a single 12\" driver.\u003c\/p\u003e\n \u003cp\u003eAt \u003cstrong\u003e19\" wide, 10\" tall, and 13\" deep\u003c\/strong\u003e, the P8D-S fits behind most rear seats and under most truck bench seats without requiring custom mounting. The \u003cstrong\u003e11.5\" max mounting depth\u003c\/strong\u003e is the deepest specification in the dual 8\" sealed lineup. It covers high-excursion competition motors that exceed the depth limit of shallower dual enclosures and opens up the compatible driver list considerably.\u003c\/p\u003e\n \u003cp\u003eTwo independent terminal cups handle wiring. Each driver gets its own recessed \u003cstrong\u003eABS\/Carbon Fiber Composite terminal cup\u003c\/strong\u003e with stainless hardware and copper ring terminals, pre-wired with \u003cstrong\u003e12g OFC speaker wire\u003c\/strong\u003e. Finish options are Dark Gray Trunkliner or Plush Black. Shipping is included.\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003c!-- Why Sealed --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eWhy Dual 8\" Sealed\u003c\/h2\u003e\n \u003cp\u003eTwo 8\" drivers in sealed alignment occupy a specific performance tier that no single-driver format replicates exactly. The combined cone area approaches a single 12\", but the individual driver mass remains low: each 8\" starts and stops with the speed and accuracy that the format is known for. The sealed alignment preserves that transient precision while the dual configuration adds output, width, and bass presence that a single 8\" sealed cannot match.\u003c\/p\u003e\n \u003cp\u003eAt 0.40 ft³ per driver, each chamber puts its driver in the center of the recommended sealed range for most 8\" subwoofers. No damping material needed. No volume correction required. Both drivers are working the same correctly-sized air load.\u003c\/p\u003e\n \u003cdiv class=\"px-grid\"\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eCombined Cone Area\u003c\/h4\u003e\n \u003cp\u003eTwo 8\" drivers produce combined cone area approaching a single 12\" while maintaining the low moving mass and transient speed that makes the 8\" format the preferred choice for SQ-oriented builds.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eWider Bass Presentation\u003c\/h4\u003e\n \u003cp\u003eTwo drivers spaced across a 19\" baffle produce a wider, more even low-frequency field across the vehicle cabin than a single point source. Bass is more evenly distributed from driver seat to passenger seat.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eTransient Accuracy Preserved\u003c\/h4\u003e\n \u003cp\u003eSealed alignment on both drivers preserves the start-stop precision that defines the 8\" format. The P8D-S produces tight, accurate bass at combined output levels that a single 8\" sealed cannot approach.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003e11.5\" Max Mounting Depth\u003c\/h4\u003e\n \u003cp\u003eThe deepest spec in the dual 8\" sealed lineup. High-excursion competition motors that will not fit the P8-S or shallower dual enclosures are candidates here. Check your driver's published mounting depth before ordering.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Construction --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eConstruction: Two Independent Terminal Cups, One Consistent Build Standard\u003c\/h2\u003e\n \u003cp\u003eThe P8D-S uses the same Langboard Elite MDF, V-groove and dado joinery, and in-house terminal cup construction as every enclosure in the Proline X Performance Series. The distinguishing feature on the P8D-S is the dual independent terminal cup configuration. Each driver bay gets its own cup, its own wiring, and its own connection point.\u003c\/p\u003e\n\n \u003ch3\u003eLangboard Elite MDF, Named, Verified, Documented\u003c\/h3\u003e\n \u003cp\u003eEvery panel is cut from \u003cstrong\u003eLangboard Elite MDF: 3\/4\" (18mm)\u003c\/strong\u003e, a named, mill-documented panel stock produced in the United States. The specifications below are pulled directly from Langboard's published mill data.\u003c\/p\u003e\n\n \u003cdiv class=\"px-highlight\"\u003e\n \u003ch3\u003eLangboard Elite: Published Mill Data\u003c\/h3\u003e\n \u003cp\u003e\u003cstrong\u003eDensity:\u003c\/strong\u003e 48.5 lbs\/ft³, higher density means less porosity, better screw retention, and reduced resonance\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eInternal Bond:\u003c\/strong\u003e 200 psi, resistance to delamination under sustained bass pressure cycling\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eModulus of Elasticity:\u003c\/strong\u003e 410,000 psi, panel stiffness under load; less flex means less resonance\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eFace Screw Holding:\u003c\/strong\u003e 325 lbs, baffle hardware stays locked under vibration\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eEdge Screw Holding:\u003c\/strong\u003e 250 lbs, joint integrity at every panel edge connection\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003ch3\u003eV-Groove and Dado Joinery\u003c\/h3\u003e\n \u003cp\u003eEvery panel joint uses \u003cstrong\u003eV-groove and dado joinery\u003c\/strong\u003e, CNC-cut interlocking grooves that mechanically lock panels before adhesive is applied. For a sealed enclosure, joint integrity is non-negotiable, a single air leak degrades output and accuracy across the entire frequency range. Every seam on the P8D-S is mechanically locked before adhesive is applied.\u003c\/p\u003e\n\n \u003ch3\u003eDual Independent Terminal Cups\u003c\/h3\u003e\n \u003cp\u003eThe P8D-S uses two independent \u003cstrong\u003eABS\/Carbon Fiber Composite recessed terminal cups\u003c\/strong\u003e, one per driver bay, built in-house at our Tennessee facility. Each driver is wired independently to its own cup with stainless steel hardware, aluminum landing plates, and copper ring terminals, pre-wired with \u003cstrong\u003e12g OFC speaker wire\u003c\/strong\u003e. Independent cups allow you to run separate impedance loads per driver or wire to a bridged amplifier channel per side without dealing with internal splices you did not make.\u003c\/p\u003e\n\n \u003cdiv class=\"px-grid\"\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eShopSabre CNC Routers\u003c\/h4\u003e\n \u003cp\u003eEvery panel is machine-cut on ShopSabre industrial CNC routers. Both driver cutouts are machined to identical diameter and position. Consistent geometry across every unit.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eHand-Assembled in Tennessee\u003c\/h4\u003e\n \u003cp\u003eEvery enclosure is hand-assembled at our Tennessee facility and inspected before it ships. No overseas manufacturing. No batch assembly shortcuts.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eDark Gray Trunkliner or Plush Black\u003c\/h4\u003e\n \u003cp\u003eBoth finish options are professionally applied. Dark Gray Trunkliner blends with factory trunk materials. Plush Black delivers the traditional aftermarket look. Both are durably bonded for long-term wear.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eShipping Included\u003c\/h4\u003e\n \u003cp\u003eNo freight charges at checkout. The price you see is the price you pay. The enclosure ships assembled and ready to install.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Fitment --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eFitment Guide\u003c\/h2\u003e\n \u003cp\u003eThe P8D-S is sized to fit behind most rear seats and under most truck bench seats. At \u003cstrong\u003e19\"W x 10\"H x 13\"D\u003c\/strong\u003e it occupies a footprint that works in most standard vehicle configurations without custom mounting.\u003c\/p\u003e\n\n \u003ch3\u003eDimensional Specifications\u003c\/h3\u003e\n \u003cdiv class=\"px-highlight\"\u003e\n \u003cp\u003e\u003cstrong\u003eExternal Dimensions:\u003c\/strong\u003e 19\" W x 10\" H x 13\" D\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eNet Internal Volume:\u003c\/strong\u003e 0.90 ft³ (0.45 ft³ per driver)\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eTuning Frequency:\u003c\/strong\u003e N\/A, Sealed\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eSubwoofer Cutout:\u003c\/strong\u003e 7.25\"\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eMax Mounting Depth:\u003c\/strong\u003e 11.5\"\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eFront Panel Thickness:\u003c\/strong\u003e 0.75\" Single Baffle\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003ch3\u003eDriver Compatibility\u003c\/h3\u003e\n \u003cp\u003eThe P8D-S accommodates any 8\" subwoofer with a cutout diameter at or below \u003cstrong\u003e7.25\"\u003c\/strong\u003e and a mounting depth at or below \u003cstrong\u003e11.5\"\u003c\/strong\u003e. Both drivers must be the same model and impedance. Verify published specifications before ordering.\u003c\/p\u003e\n\n \u003ch3\u003eCompatible Drivers\u003c\/h3\u003e\n \u003cp\u003eThe following drivers are available from Audio Intensity and are compatible with the P8D-S:\u003c\/p\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/image-dynamics-id8-v4-8inch-subwoofer\"\u003eImage Dynamics ID8 V4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-8-inch-subwoofer-nb2-series\"\u003eProdigy NB2-8D4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/image-dynamics-idq8d2-v4-8inch-subwoofer\"\u003eImage Dynamics IDQ8 V4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-8-inch-subwoofer-nb5-series\"\u003eProdigy NB5-8D4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/arc-audio-arc-series-8-subwoofer\"\u003eArc Audio Arc Series 8\" \u003c\/a\u003e\n \u003cp style=\"font-size:0.9em; color:#64748b; margin-top:12px;\"\u003eAlways verify cutout diameter and mounting depth against your specific driver's published specifications before ordering.\u003c\/p\u003e\n\n \u003ch3\u003eIdeal Install Applications\u003c\/h3\u003e\n \u003cdiv class=\"px-grid\"\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eBehind Rear Seat\u003c\/h4\u003e\n \u003cp\u003eAt 10\" tall and 13\" deep, the P8D-S fits behind most rear seats in full-size sedans and trucks. The 19\" width spans most rear floor openings without obstructing access to cargo or the spare tire.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eUnder Truck Bench Seat\u003c\/h4\u003e\n \u003cp\u003eThe low profile and 11.5\" max mounting depth make the P8D-S a strong candidate for under-seat installs in full-size trucks where high-excursion 8\" drivers are the target.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eSQ and Competition Builds\u003c\/h4\u003e\n \u003cp\u003eTwo sealed 8\" drivers produce the wide, even bass presentation and combined output that SQ competition builds demand, without the ported alignment that trades accuracy for efficiency.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eHigh-Excursion Driver Builds\u003c\/h4\u003e\n \u003cp\u003eThe 11.5\" max mounting depth is the deepest specification in the dual 8\" sealed lineup. Competition-grade 8\" motors that will not fit shallower enclosures are viable here.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- CTA --\u003e\n \u003cdiv class=\"px-cta\"\u003e\n \u003ch2\u003eDual 8\" Accuracy. Tennessee-Built. Shipping Included.\u003c\/h2\u003e\n \u003cp\u003eThe Proline X P8D-S delivers dual 8\" sealed performance from an enclosure that fits where larger boxes cannot. Langboard Elite MDF. V-groove and dado joinery. Dual independent terminal cups. Hand-assembled in Tennessee and inspected before it ships.\u003c\/p\u003e\n \u003cp\u003eTwo drivers. Sealed accuracy. Combined output a single 8\" cannot match. \u003cstrong\u003e$169.99 Dark Gray Trunkliner. $179.99 Plush Black.\u003c\/strong\u003e Shipping included.\u003c\/p\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Dark Gray Trunkliner","offer_id":43146777755737,"sku":"P8D-S III G","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black","offer_id":43146777788505,"sku":"P8D-S III B","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-p8d-s-dual-8-sealed-subwoofer-enclosure-v3subwoofer-enclosuresproline-x-8166518.png?v=1773362892"},{"product_id":"proline-x-p8t-s-triple-8-sealed-subwoofer-enclosure-v3","title":"Proline X P8T-S | Triple 8\" Sealed Subwoofer Enclosure | V3","description":"\u003cstyle\u003e\n .px-desc {\n font-family: 'Helvetica Neue', Arial, sans-serif;\n line-height: 1.8;\n color: #1e293b;\n max-width: 1200px;\n margin: 0 auto;\n background: #ffffff;\n }\n\n .px-hero {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-hero .px-title {\n font-size: 2.6em;\n font-weight: 800;\n text-transform: uppercase;\n letter-spacing: 2px;\n margin: 0 0 10px 0;\n color: white;\n }\n\n .px-hero .px-subtitle {\n font-size: 1.2em;\n font-weight: 300;\n opacity: 0.9;\n margin: 0 0 30px 0;\n }\n\n .px-badges {\n display: flex;\n justify-content: center;\n flex-wrap: wrap;\n gap: 12px;\n margin-top: 20px;\n }\n\n .px-badge {\n background: rgba(6, 182, 212, 0.2);\n border: 1px solid #06b6d4;\n color: #67e8f9;\n padding: 8px 20px;\n border-radius: 20px;\n font-size: 0.9em;\n font-weight: 600;\n letter-spacing: 0.5px;\n }\n\n .px-section {\n padding: 50px 40px;\n border-bottom: 1px solid #e2e8f0;\n background: #ffffff;\n }\n\n .px-section:nth-child(even) {\n background: #f0f9ff;\n }\n\n .px-section h2 {\n color: #0e7490;\n font-size: 2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n padding-bottom: 12px;\n border-bottom: 3px solid #06b6d4;\n }\n\n .px-section h3 {\n color: #0f172a;\n font-size: 1.4em;\n font-weight: 600;\n margin: 30px 0 15px 0;\n }\n\n .px-section p {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 18px;\n }\n\n .px-section ul {\n margin: 15px 0;\n padding-left: 25px;\n }\n\n .px-section li {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 10px;\n line-height: 1.7;\n }\n\n .px-grid {\n display: grid;\n grid-template-columns: repeat(2, 1fr);\n gap: 24px;\n margin: 30px 0;\n }\n\n .px-card {\n background: #ffffff;\n border: 1px solid #e2e8f0;\n border-top: 4px solid #06b6d4;\n border-radius: 6px;\n padding: 24px;\n }\n\n .px-card h4 {\n color: #0e7490;\n font-size: 1.15em;\n font-weight: 700;\n margin: 0 0 12px 0;\n }\n\n .px-card p {\n font-size: 1em;\n color: #475569;\n margin: 0;\n line-height: 1.7;\n }\n\n .px-highlight {\n background: #f0f9ff;\n border-left: 5px solid #06b6d4;\n padding: 24px 28px;\n margin: 28px 0;\n border-radius: 0 6px 6px 0;\n }\n\n .px-highlight h3 {\n color: #0e7490;\n margin: 0 0 12px 0;\n font-size: 1.2em;\n }\n\n .px-highlight p {\n margin-bottom: 10px;\n color: #1e293b;\n }\n\n .px-cta {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-cta h2 {\n font-size: 2.2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n color: white;\n border: none;\n padding: 0;\n }\n\n .px-cta p {\n font-size: 1.15em;\n opacity: 0.92;\n max-width: 800px;\n margin: 0 auto 20px auto;\n color: white;\n }\n\n .px-driver-link {\n display: inline-block;\n background: #f0f9ff;\n border: 2px solid #06b6d4;\n border-radius: 6px;\n padding: 16px 24px;\n margin: 10px 10px 10px 0;\n text-decoration: none;\n color: #0e7490;\n font-weight: 700;\n font-size: 1em;\n transition: all 0.2s ease;\n }\n\n .px-driver-link:hover {\n background: #06b6d4;\n color: white;\n }\n\n @media (max-width: 768px) {\n .px-hero { padding: 40px 20px; }\n .px-hero .px-title { font-size: 1.8em; }\n .px-section { padding: 30px 20px; }\n .px-section h2 { font-size: 1.6em; }\n .px-grid { grid-template-columns: 1fr; }\n .px-cta { padding: 40px 20px; }\n .px-cta h2 { font-size: 1.6em; }\n }\n\u003c\/style\u003e\n\n\u003cdiv class=\"px-desc\"\u003e\n\n \u003c!-- Hero --\u003e\n \u003cdiv class=\"px-hero\"\u003e\n \u003cp class=\"px-title\"\u003eProline X P8T-S\u003c\/p\u003e\n \u003cp class=\"px-subtitle\"\u003eTriple 8\" Sealed Subwoofer Enclosure | V3\u003c\/p\u003e\n \u003cdiv class=\"px-badges\"\u003e\n \u003cspan class=\"px-badge\"\u003e1.35 ft³ Net\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003eSealed Alignment\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003eTriple Driver Configuration\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003e10.5\" Max Depth\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n \u003cspan class=\"px-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Introduction --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eThree Drivers. Sealed. Built for Installs Where Depth Is the Limiting Factor.\u003c\/h2\u003e\n \u003cp\u003eThe \u003cstrong\u003eProline X P8T-S\u003c\/strong\u003e is a triple 8\" sealed enclosure built for installs that need the cone area of a larger driver without the depth requirement that comes with it. At \u003cstrong\u003e1.35 ft³ net\u003c\/strong\u003e, 0.45 ft³ per driver, and sealed alignment, this enclosure delivers controlled, accurate bass across a wide soundstage. Three 8\" drivers in sealed alignment produce combined cone area that sits between a single 12\" and a single 15\" while keeping individual mounting depth at \u003cstrong\u003e10.5\"\u003c\/strong\u003e: a configuration that opens up install locations that neither of those larger drivers can access.\u003c\/p\u003e\n \u003cp\u003eAt \u003cstrong\u003e29\" wide, 10\" tall, and 12\" deep\u003c\/strong\u003e, the P8T-S fits across most trunk floors, behind most rear seats in full-size sedans and trucks, and against rear walls in dedicated build vehicles where a 15\" would require too much depth. The 10\" height and 12\" depth profile makes this one of the most versatile multi-driver sealed enclosures in the Performance Series lineup.\u003c\/p\u003e\n \u003cp\u003eA single terminal cup handles wiring for all three drivers internally. All three must be run at the same impedance. Every panel is CNC-cut from \u003cstrong\u003eLangboard Elite MDF\u003c\/strong\u003e and assembled by hand in our Tennessee facility. Finish options are Dark Gray Trunkliner or Plush Black. Shipping is included.\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003c!-- Why Triple Sealed --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eWhy Three 8\" Drivers in Sealed Alignment\u003c\/h2\u003e\n \u003cp\u003eThe triple 8\" sealed configuration is an underutilized format in car audio. Most builders default to a single large driver when they want combined output, a 12\" or 15\" in a ported box. The P8T-S offers a different approach: three smaller drivers in sealed alignment that collectively produce the cone area of a large driver while individually maintaining the low moving mass and transient speed that defines the 8\" format.\u003c\/p\u003e\n \u003cp\u003eEach driver bay provides \u003cstrong\u003e0.45 ft³\u003c\/strong\u003e of net internal volume. Well within the recommended sealed range for most 8\" drivers. All three drivers are working the same correctly-sized air load. The combined output across three drivers is significantly higher than a single 8\" sealed, and the sealed alignment preserves the accuracy that makes the 8\" format valuable for critical listening and SQ competition builds.\u003c\/p\u003e\n \u003cdiv class=\"px-grid\"\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eCombined Cone Area\u003c\/h4\u003e\n \u003cp\u003eThree 8\" drivers produce combined cone area between a single 12\" and a single 15\" while keeping individual mounting depth at 10.5\". A level of output that no single 8\" enclosure can approach, from a box that fits where large-format drivers cannot.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eShallow Profile, High Output\u003c\/h4\u003e\n \u003cp\u003eAt 10\" tall and 12\" deep, the P8T-S produces large-driver output from a profile that fits behind seats and across trunk floors where a 15\" ported box would be completely impractical.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eWide Bass Dispersion\u003c\/h4\u003e\n \u003cp\u003eThree drivers spaced across a 29\" baffle produce the widest bass dispersion in the Performance Series lineup. Low-frequency output is distributed evenly across the full width of the vehicle cabin.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003e0.45 ft³ Per Driver: Correctly Sized\u003c\/h4\u003e\n \u003cp\u003eEach chamber puts its driver in the center of the recommended sealed range for most 8\" subwoofers. No damping material needed. No volume correction required. Three correctly-sized sealed chambers.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Construction --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eConstruction: Three Driver Bays, One Build Standard\u003c\/h2\u003e\n \u003cp\u003eThe P8T-S uses the same Langboard Elite MDF, V-groove and dado joinery, and in-house terminal cup construction as every enclosure in the Proline X Performance Series. Three driver bays require more internal bracing than a single or dual driver build, the P8T-S addresses this with heavy strategic bracing throughout the shared interior that controls panel resonance at the structure level.\u003c\/p\u003e\n\n \u003ch3\u003eLangboard Elite MDF, Named, Verified, Documented\u003c\/h3\u003e\n \u003cp\u003eEvery panel is cut from \u003cstrong\u003eLangboard Elite MDF: 3\/4\" (18mm)\u003c\/strong\u003e, a named, mill-documented panel stock produced in the United States. The specifications below are pulled directly from Langboard's published mill data.\u003c\/p\u003e\n\n \u003cdiv class=\"px-highlight\"\u003e\n \u003ch3\u003eLangboard Elite: Published Mill Data\u003c\/h3\u003e\n \u003cp\u003e\u003cstrong\u003eDensity:\u003c\/strong\u003e 48.5 lbs\/ft³, higher density means less porosity, better screw retention, and reduced resonance\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eInternal Bond:\u003c\/strong\u003e 200 psi, resistance to delamination under sustained bass pressure cycling\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eModulus of Elasticity:\u003c\/strong\u003e 410,000 psi, panel stiffness under load; less flex means less resonance\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eFace Screw Holding:\u003c\/strong\u003e 325 lbs, baffle hardware stays locked under vibration\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eEdge Screw Holding:\u003c\/strong\u003e 250 lbs, joint integrity at every panel edge connection\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003ch3\u003eV-Groove and Dado Joinery\u003c\/h3\u003e\n \u003cp\u003eEvery panel joint uses \u003cstrong\u003eV-groove and dado joinery\u003c\/strong\u003e, CNC-cut interlocking grooves that mechanically lock panels before adhesive is applied. Three drivers in sealed alignment demand consistent joint integrity across every panel, a single air leak compromises the acoustic seal on the affected chamber. Every seam on the P8T-S is mechanically locked before adhesive is applied.\u003c\/p\u003e\n\n \u003ch3\u003eSingle Terminal Cup: All Three Drivers Internal\u003c\/h3\u003e\n \u003cp\u003eThe P8T-S uses a single \u003cstrong\u003eABS\/Carbon Fiber Composite recessed terminal cup\u003c\/strong\u003e built in-house at our Tennessee facility. All three drivers are wired internally to the cup with stainless steel hardware, aluminum landing plates, and copper ring terminals, pre-wired with \u003cstrong\u003e12g OFC speaker wire\u003c\/strong\u003e. All three drivers must be run at the same impedance. Confirm your amplifier output and driver impedances match before wiring.\u003c\/p\u003e\n\n \u003cdiv class=\"px-grid\"\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eShopSabre CNC Routers\u003c\/h4\u003e\n \u003cp\u003eEvery panel is machine-cut on ShopSabre industrial CNC routers. All three driver cutouts are machined to identical diameter and position. Consistent geometry across every unit.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eHand-Assembled in Tennessee\u003c\/h4\u003e\n \u003cp\u003eEvery enclosure is hand-assembled at our Tennessee facility and inspected before it ships. No overseas manufacturing. No batch assembly shortcuts.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eDark Gray Trunkliner or Plush Black\u003c\/h4\u003e\n \u003cp\u003eBoth finish options are professionally applied. Dark Gray Trunkliner blends with factory trunk materials. Plush Black delivers the traditional aftermarket look. Both are durably bonded for long-term wear.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eShipping Included\u003c\/h4\u003e\n \u003cp\u003eNo freight charges at checkout. The price you see is the price you pay. The enclosure ships assembled and ready to install.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Fitment --\u003e\n \u003cdiv class=\"px-section\"\u003e\n \u003ch2\u003eFitment Guide\u003c\/h2\u003e\n \u003cp\u003eThe P8T-S spans \u003cstrong\u003e29\" wide\u003c\/strong\u003e: sized to fit across most full-size trunk floors and behind most rear seats in full-size sedans and trucks. At \u003cstrong\u003e10\" tall and 12\" deep\u003c\/strong\u003e, it clears most behind-seat depth constraints that would eliminate a larger enclosure from consideration.\u003c\/p\u003e\n\n \u003ch3\u003eDimensional Specifications\u003c\/h3\u003e\n \u003cdiv class=\"px-highlight\"\u003e\n \u003cp\u003e\u003cstrong\u003eExternal Dimensions:\u003c\/strong\u003e 29\" W x 10\" H x 12\" D\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eNet Internal Volume:\u003c\/strong\u003e 1.35 ft³ (0.45 ft³ per driver)\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eTuning Frequency:\u003c\/strong\u003e N\/A, Sealed\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eSubwoofer Cutout:\u003c\/strong\u003e 7.25\"\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eMax Mounting Depth:\u003c\/strong\u003e 10.5\"\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eFront Panel Thickness:\u003c\/strong\u003e 0.75\" Single Baffle\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003ch3\u003eDriver Compatibility\u003c\/h3\u003e\n \u003cp\u003eThe P8T-S accommodates any 8\" subwoofer with a cutout diameter at or below \u003cstrong\u003e7.25\"\u003c\/strong\u003e and a mounting depth at or below \u003cstrong\u003e10.5\"\u003c\/strong\u003e. All three drivers must be the same model and impedance. Verify published specifications before ordering.\u003c\/p\u003e\n\n \u003ch3\u003eCompatible Drivers\u003c\/h3\u003e\n \u003cp\u003eThe following drivers are available from Audio Intensity and are compatible with the P8T-S:\u003c\/p\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/image-dynamics-id8-v4-8inch-subwoofer\"\u003eImage Dynamics ID8 V4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-8-inch-subwoofer-nb2-series\"\u003eProdigy NB2-8D4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/image-dynamics-idq8d2-v4-8inch-subwoofer\"\u003eImage Dynamics IDQ8 V4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-8-inch-subwoofer-nb5-series\"\u003eProdigy NB5-8D4 \u003c\/a\u003e\n \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/arc-audio-arc-series-8-subwoofer\"\u003eArc Audio Arc Series 8\" \u003c\/a\u003e\n \u003cp style=\"font-size:0.9em; color:#64748b; margin-top:12px;\"\u003eAlways verify cutout diameter and mounting depth against your specific driver's published specifications before ordering. All three drivers must be run at the same impedance.\u003c\/p\u003e\n\n \u003ch3\u003eIdeal Install Applications\u003c\/h3\u003e\n \u003cdiv class=\"px-grid\"\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eRear Deck Builds\u003c\/h4\u003e\n \u003cp\u003eAt 10\" tall and 12\" deep, the P8T-S is one of the few multi-driver enclosures viable for rear deck installations in sedans where deck depth accommodates the 10.5\" max mounting depth.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eBehind Rear Seat\u003c\/h4\u003e\n \u003cp\u003eThe 10\" height and 12\" depth fit behind most rear seats in full-size sedans and trucks. The 29\" width spans most rear floor openings in full-size vehicles without obstructing access to the cargo area.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eShallow Trunk Builds\u003c\/h4\u003e\n \u003cp\u003eFor vehicles where trunk depth is the limiting factor but width is not, the P8T-S produces large-driver output from a 12\" deep footprint that larger ported enclosures cannot match.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"px-card\"\u003e\n \u003ch4\u003eHigh-Excursion Driver Builds\u003c\/h4\u003e\n \u003cp\u003eThe 10.5\" max mounting depth is the deepest specification in the triple 8\" format. Competition-grade 8\" motors that will not fit shallower enclosures are viable candidates for the P8T-S.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- CTA --\u003e\n \u003cdiv class=\"px-cta\"\u003e\n \u003ch2\u003eTriple 8\" Output. Shallow Profile. Tennessee-Built.\u003c\/h2\u003e\n \u003cp\u003eThe Proline X P8T-S delivers combined triple 8\" output from an enclosure that fits where large-format drivers cannot. Langboard Elite MDF. V-groove and dado joinery. In-house terminal cup. Hand-assembled in Tennessee and inspected before it ships.\u003c\/p\u003e\n \u003cp\u003eThree drivers. Sealed accuracy. Combined cone area between a 12\" and a 15\": in a 12\" deep box. \u003cstrong\u003e$199.99 Dark Gray Trunkliner. $209.99 Plush Black.\u003c\/strong\u003e Shipping included.\u003c\/p\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Dark Gray Trunkliner","offer_id":43148119965785,"sku":"P8T-S III G","price":199.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black","offer_id":43148119998553,"sku":"P8T-S III B","price":209.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-p8t-s-triple-8-sealed-subwoofer-enclosure-v3subwoofer-enclosuresproline-x-5415652.jpg?v=1773362889"},{"product_id":"proline-x-p8q-s-quad-8-sealed-subwoofer-enclosure-v3","title":"Proline X P8Q-S | Quad 8\" Sealed Subwoofer Enclosure | V3","description":"\u003cstyle\u003e\n .px-desc {\n font-family: 'Helvetica Neue', Arial, sans-serif;\n line-height: 1.8;\n color: #1e293b;\n max-width: 1200px;\n margin: 0 auto;\n background: #ffffff;\n }\n\n .px-hero {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-hero .px-title {\n font-size: 2.6em;\n font-weight: 800;\n text-transform: uppercase;\n letter-spacing: 2px;\n margin: 0 0 10px 0;\n color: white;\n }\n\n .px-hero .px-subtitle {\n font-size: 1.2em;\n font-weight: 300;\n opacity: 0.9;\n margin: 0 0 30px 0;\n }\n\n .px-badges {\n display: flex;\n justify-content: center;\n flex-wrap: wrap;\n gap: 12px;\n margin-top: 20px;\n }\n\n .px-badge {\n background: rgba(6, 182, 212, 0.2);\n border: 1px solid #06b6d4;\n color: #67e8f9;\n padding: 8px 20px;\n border-radius: 20px;\n font-size: 0.9em;\n font-weight: 600;\n letter-spacing: 0.5px;\n }\n\n .px-section {\n padding: 50px 40px;\n border-bottom: 1px solid #e2e8f0;\n background: #ffffff;\n }\n\n .px-section:nth-child(even) {\n background: #f0f9ff;\n }\n\n .px-section h2 {\n color: #0e7490;\n font-size: 2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n padding-bottom: 12px;\n border-bottom: 3px solid #06b6d4;\n }\n\n .px-section h3 {\n color: #0f172a;\n font-size: 1.4em;\n font-weight: 600;\n margin: 30px 0 15px 0;\n }\n\n .px-section p {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 18px;\n }\n\n .px-section ul {\n margin: 15px 0;\n padding-left: 25px;\n }\n\n .px-section li {\n font-size: 1.05em;\n color: #334155;\n margin-bottom: 10px;\n line-height: 1.7;\n }\n\n .px-grid {\n display: grid;\n grid-template-columns: repeat(2, 1fr);\n gap: 24px;\n margin: 30px 0;\n }\n\n .px-card {\n background: #ffffff;\n border: 1px solid #e2e8f0;\n border-top: 4px solid #06b6d4;\n border-radius: 6px;\n padding: 24px;\n }\n\n .px-card h4 {\n color: #0e7490;\n font-size: 1.15em;\n font-weight: 700;\n margin: 0 0 12px 0;\n }\n\n .px-card p {\n font-size: 1em;\n color: #475569;\n margin: 0;\n line-height: 1.7;\n }\n\n .px-highlight {\n background: #f0f9ff;\n border-left: 5px solid #06b6d4;\n padding: 24px 28px;\n margin: 28px 0;\n border-radius: 0 6px 6px 0;\n }\n\n .px-highlight h3 {\n color: #0e7490;\n margin: 0 0 12px 0;\n font-size: 1.2em;\n }\n\n .px-highlight p {\n margin-bottom: 10px;\n color: #1e293b;\n }\n\n .px-cta {\n background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%);\n padding: 60px 40px;\n text-align: center;\n color: white;\n }\n\n .px-cta h2 {\n font-size: 2.2em;\n font-weight: 700;\n margin: 0 0 20px 0;\n color: white;\n border: none;\n padding: 0;\n }\n\n .px-cta p {\n font-size: 1.15em;\n opacity: 0.92;\n max-width: 800px;\n margin: 0 auto 20px auto;\n color: white;\n }\n\n .px-driver-link {\n display: inline-block;\n background: #f0f9ff;\n border: 2px solid #06b6d4;\n border-radius: 6px;\n padding: 16px 24px;\n margin: 10px 10px 10px 0;\n text-decoration: none;\n color: #0e7490;\n font-weight: 700;\n font-size: 1em;\n transition: all 0.2s ease;\n }\n\n .px-driver-link:hover {\n background: #06b6d4;\n color: white;\n }\n\n @media (max-width: 768px) {\n .px-hero { padding: 40px 20px; }\n .px-hero .px-title { font-size: 1.8em; }\n .px-section { padding: 30px 20px; }\n .px-section h2 { font-size: 1.6em; }\n .px-grid { grid-template-columns: 1fr; }\n .px-cta { padding: 40px 20px; }\n .px-cta h2 { font-size: 1.6em; }\n }\n\u003c\/style\u003e\n\u003cdiv class=\"px-desc\"\u003e\n\u003c!-- Hero --\u003e\n\u003cdiv class=\"px-hero\"\u003e\n\u003cp class=\"px-title\"\u003eProline X P8Q-S\u003c\/p\u003e\n\u003cp class=\"px-subtitle\"\u003eQuad 8\" Sealed Subwoofer Enclosure | V3\u003c\/p\u003e\n\u003cdiv class=\"px-badges\"\u003e\n\u003cspan class=\"px-badge\"\u003e1.80 ft³ Net\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003eSealed Alignment\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003eQuad Driver Configuration\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003e9.25\" Max Depth\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e \u003cspan class=\"px-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Introduction --\u003e\n\u003cdiv class=\"px-section\"\u003e\n\u003ch2\u003eFour Drivers. One Sealed Enclosure. Maximum Cone Area Without the Depth.\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eProline X P8Q-S\u003c\/strong\u003e is a quad 8\" sealed enclosure built for dedicated trunk builds that need maximum cone area without the depth requirement of a large single-driver ported box. At \u003cstrong\u003e1.80 ft³ net\u003c\/strong\u003e and sealed alignment, four 8\" drivers in a shared air space with heavy internal bracing produce combined cone area that exceeds a single 15\" while keeping individual mounting depth at \u003cstrong\u003e9.25\"\u003c\/strong\u003e. That combination does not exist in any single-driver format.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003e38\" wide, 11\" tall, and 10.75\" deep\u003c\/strong\u003e, the P8Q-S is designed to span a full trunk floor. It is not a behind-seat option: 38\" requires a dedicated trunk installation in most vehicles. The low 10.75\" depth makes it viable in applications where a 15\" ported box would require more depth than the trunk allows. Four drivers share a single air space rather than individual separated chambers, the interior is heavily braced throughout to control panel resonance and maintain structural integrity under the combined mechanical load of four motors.\u003c\/p\u003e\n\u003cp\u003eA single terminal cup handles wiring for all four drivers internally. All four must be run at the same impedance. Every panel is CNC-cut from \u003cstrong\u003eLangboard Elite MDF\u003c\/strong\u003e and assembled by hand in our Tennessee facility. Finish options are Dark Gray Trunkliner or Plush Black. Shipping is included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Why Quad Sealed --\u003e\n\u003cdiv class=\"px-section\" style=\"text-align: center;\"\u003e\n\u003ch2\u003eWhy Four 8\" Drivers in a Shared Sealed Air Space\u003c\/h2\u003e\n\u003cp\u003eThe quad 8\" configuration in a shared sealed air space is a purpose-built solution for a specific install problem: maximum cone area in minimum depth. Four 8\" drivers collectively move more air than a single 15\" while keeping every individual driver's mounting depth requirement at 9.25\". The sealed alignment preserves the transient accuracy and flat response that makes the 8\" format valuable. Applied at a scale that approaches large-format SPL output.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt='Quad 8\" Sealed Subwoofer Enclosure' src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/P8Q-S_III.jpg?v=1773789145\" style=\"margin-bottom: 20px; float: none;\"\u003eThe shared air space rather than individual separated chambers is a deliberate engineering choice. A single 1.80 ft³ shared volume provides each driver with a larger effective acoustic load than four individual 0.45 ft³ chambers would, the drivers interact with a combined air mass that produces a more cohesive low-frequency response across the full 38\" baffle width.\u003c\/p\u003e\n\u003cdiv class=\"px-grid\"\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eExceeds Single 15\" Cone Area\u003c\/h4\u003e\n\u003cp\u003eFour 8\" drivers produce combined cone area that exceeds a single 15\" subwoofer while keeping individual mounting depth at 9.25\" and total enclosure depth at 10.75\". No single-driver format delivers this combination.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eShared Air Space: Cohesive Response\u003c\/h4\u003e\n\u003cp\u003eThe shared 1.80 ft³ interior with heavy internal bracing provides a larger effective acoustic load per driver than separated chambers would. Four drivers interact with a combined air mass for a more cohesive low-frequency response across the full 38\" baffle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eMaximum Width, Minimum Depth\u003c\/h4\u003e\n\u003cp\u003eAt 38\" wide and 10.75\" deep, the P8Q-S spans a full trunk floor while requiring less depth than most single 12\" or 15\" ported enclosures. The output-to-depth ratio is unmatched in the Performance Series lineup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eHeavy Internal Bracing\u003c\/h4\u003e\n\u003cp\u003eFour motors in a shared air space generate significant combined pressure on every panel simultaneously. The P8Q-S uses heavy strategic bracing throughout the interior to control panel resonance and maintain structural integrity under the full mechanical load of four drivers at volume.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Construction --\u003e\n\u003cdiv class=\"px-section\"\u003e\n\u003ch2\u003eConstruction: Four Driver Bays, One Shared Air Space, Maximum Bracing\u003c\/h2\u003e\n\u003cp\u003eThe P8Q-S uses the same Langboard Elite MDF and V-groove and dado joinery construction as every enclosure in the Proline X Performance Series. The distinguishing construction feature is the internal bracing strategy. Four motors in a shared air space require more bracing than any other enclosure in the lineup to control panel resonance at the output levels four drivers can generate.\u003c\/p\u003e\n\u003ch3\u003eLangboard Elite MDF, Named, Verified, Documented\u003c\/h3\u003e\n\u003cp\u003eEvery panel is cut from \u003cstrong\u003eLangboard Elite MDF: 3\/4\" (18mm)\u003c\/strong\u003e, a named, mill-documented panel stock produced in the United States. The specifications below are pulled directly from Langboard's published mill data.\u003c\/p\u003e\n\u003cdiv class=\"px-highlight\"\u003e\n\u003ch3\u003eLangboard Elite: Published Mill Data\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDensity:\u003c\/strong\u003e 48.5 lbs\/ft³, higher density means less porosity, better screw retention, and reduced resonance\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal Bond:\u003c\/strong\u003e 200 psi, resistance to delamination under sustained bass pressure cycling\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModulus of Elasticity:\u003c\/strong\u003e 410,000 psi, panel stiffness under load; less flex means less resonance\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFace Screw Holding:\u003c\/strong\u003e 325 lbs, baffle hardware stays locked under vibration\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEdge Screw Holding:\u003c\/strong\u003e 250 lbs, joint integrity at every panel edge connection\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eV-Groove and Dado Joinery\u003c\/h3\u003e\n\u003cp\u003eEvery panel joint uses \u003cstrong\u003eV-groove and dado joinery\u003c\/strong\u003e, CNC-cut interlocking grooves that mechanically lock panels before adhesive is applied. On an enclosure this wide, panel rigidity and joint integrity are critical, the 38\" side panels span a distance that creates significant flex potential under bass pressure without proper joinery. Every joint on the P8Q-S is mechanically locked before adhesive is applied.\u003c\/p\u003e\n\u003ch3\u003eSingle Terminal Cup: All Four Drivers Internal\u003c\/h3\u003e\n\u003cp\u003eThe P8Q-S uses a single \u003cstrong\u003eABS\/Carbon Fiber Composite recessed terminal cup\u003c\/strong\u003e built in-house at our Tennessee facility. All four drivers are wired internally to the cup with stainless steel hardware, aluminum landing plates, and copper ring terminals, pre-wired with \u003cstrong\u003e12g OFC speaker wire\u003c\/strong\u003e. All four drivers must be run at the same impedance. With four drivers pulling from the same cup, a wiring error affects all four simultaneously. Confirm your amplifier output and driver impedances before wiring.\u003c\/p\u003e\n\u003cdiv class=\"px-grid\"\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eShopSabre CNC Routers\u003c\/h4\u003e\n\u003cp\u003eEvery panel is machine-cut on ShopSabre industrial CNC routers. All four driver cutouts are machined to identical diameter and position across the 38\" baffle. Consistent geometry across every unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eHand-Assembled in Tennessee\u003c\/h4\u003e\n\u003cp\u003eEvery enclosure is hand-assembled at our Tennessee facility and inspected before it ships. No overseas manufacturing. No batch assembly shortcuts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eDark Gray Trunkliner or Plush Black\u003c\/h4\u003e\n\u003cp\u003eBoth finish options are professionally applied. Dark Gray Trunkliner blends with factory trunk materials. Plush Black delivers the traditional aftermarket look. Both are durably bonded for long-term wear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eShipping Included\u003c\/h4\u003e\n\u003cp\u003eNo freight charges at checkout. The price you see is the price you pay. The enclosure ships assembled and ready to install.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Fitment --\u003e\n\u003cdiv class=\"px-section\"\u003e\n\u003ch2\u003eFitment Guide\u003c\/h2\u003e\n\u003cp\u003eThe P8Q-S is designed to span a full trunk floor. At \u003cstrong\u003e38\" wide\u003c\/strong\u003e, this is a dedicated trunk build. Measure your available trunk width carefully before ordering. At \u003cstrong\u003e11\" tall and 10.75\" deep\u003c\/strong\u003e, the profile is low enough to fit in most standard trunk environments without custom fabrication.\u003c\/p\u003e\n\u003ch3\u003eDimensional Specifications\u003c\/h3\u003e\n\u003cdiv class=\"px-highlight\"\u003e\n\u003cp\u003e\u003cstrong\u003eExternal Dimensions:\u003c\/strong\u003e 38\" W x 11\" H x 10.75\" D\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNet Internal Volume:\u003c\/strong\u003e 1.80 ft³, shared air space, heavily braced\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTuning Frequency:\u003c\/strong\u003e N\/A, Sealed\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSubwoofer Cutout:\u003c\/strong\u003e 7.25\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMax Mounting Depth:\u003c\/strong\u003e 9.25\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFront Panel Thickness:\u003c\/strong\u003e 0.75\" Single Baffle\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eDriver Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe P8Q-S accommodates any 8\" subwoofer with a cutout diameter at or below \u003cstrong\u003e7.25\"\u003c\/strong\u003e and a mounting depth at or below \u003cstrong\u003e9.25\"\u003c\/strong\u003e. All four drivers must be the same model and impedance. Verify published specifications before ordering.\u003c\/p\u003e\n\u003ch3\u003eCompatible Drivers\u003c\/h3\u003e\n\u003cp\u003eThe following drivers are available from Audio Intensity and are compatible with the P8Q-S:\u003c\/p\u003e\n\u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/image-dynamics-id8-v4-8inch-subwoofer\"\u003eImage Dynamics ID8 V4 \u003c\/a\u003e \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-8-inch-subwoofer-nb2-series\"\u003eProdigy NB2-8D4 \u003c\/a\u003e \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/image-dynamics-idq8d2-v4-8inch-subwoofer\"\u003eImage Dynamics IDQ8 V4 \u003c\/a\u003e \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/prodigy-audio-8-inch-subwoofer-nb5-series\"\u003eProdigy NB5-8D4 \u003c\/a\u003e \u003ca class=\"px-driver-link\" href=\"https:\/\/audiointensity.com\/products\/arc-audio-arc-series-8-subwoofer\"\u003eArc Audio Arc Series 8\" \u003c\/a\u003e\n\u003cp style=\"font-size: 0.9em; color: #64748b; margin-top: 12px;\"\u003eAlways verify cutout diameter and mounting depth against your specific driver's published specifications before ordering. All four drivers must be run at the same impedance.\u003c\/p\u003e\n\u003ch3\u003eIdeal Install Applications\u003c\/h3\u003e\n\u003cdiv class=\"px-grid\"\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eFull Trunk Floor Build\u003c\/h4\u003e\n\u003cp\u003eAt 38\" wide, the P8Q-S is designed to span a full trunk floor in most full-size sedans and trucks. This is a dedicated trunk installation, not a behind-seat or partial trunk option.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eMaximum Output, Minimum Depth\u003c\/h4\u003e\n\u003cp\u003eFour 8\" drivers produce output that exceeds a single 15\" while requiring only 10.75\" of trunk depth. For vehicles where output is the priority but trunk depth limits large-format enclosures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eDedicated Competition Builds\u003c\/h4\u003e\n\u003cp\u003eCombined cone area exceeding a single 15\" in sealed alignment makes the P8Q-S a viable platform for SPL-oriented builds that require maximum cone area in a flat, low-profile format.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"px-card\"\u003e\n\u003ch4\u003eRear Wall Installs\u003c\/h4\u003e\n\u003cp\u003eThe flat, low-profile form factor makes the P8Q-S well suited for rear wall installations in dedicated build vehicles where the enclosure is mounted vertically against the rear of the cabin.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- CTA --\u003e\n\u003cdiv class=\"px-cta\"\u003e\n\u003ch2\u003eQuad 8\" Output. Full Trunk Floor Footprint. Tennessee-Built.\u003c\/h2\u003e\n\u003cp\u003eThe Proline X P8Q-S delivers combined quad 8\" output that exceeds a single 15\" from an enclosure that requires less depth than most 12\" ported boxes. Langboard Elite MDF. V-groove and dado joinery. Heavy internal bracing. In-house terminal cup. Hand-assembled in Tennessee and inspected before it ships.\u003c\/p\u003e\n\u003cp\u003eFour drivers. Sealed alignment. More cone area than a 15\", in a 10.75\" deep trunk floor enclosure. \u003cstrong\u003e$249.99 Dark Gray Trunkliner. $259.99 Plush Black.\u003c\/strong\u003e Shipping included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Dark Gray Trunkliner","offer_id":43150319452249,"sku":"P8Q-S III G","price":249.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black","offer_id":43150319485017,"sku":"P8Q-S III B","price":259.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-p8q-s-quad-8-sealed-subwoofer-enclosure-v3subwoofer-enclosuresproline-x-1725553.jpg?v=1773473905"},{"product_id":"proline-x-micro-series-sealed-dual-12-enclosure-wavtech-thinpro-12-enclosure-only","title":"Proline-X Micro Series Sealed Dual 12\" Enclosure | Wavtech thinPRO12","description":"\u003c!-- ============================================================\n     PROLINE X MICRO SERIES — M12D-S WAV\n     DUAL WAVTECH thinPRO 12 | SEALED | ENCLOSURE ONLY\n     Color system: Green (#16a34a primary)\n     SKU: M12D-S WAV No Acrylic\n     ============================================================ --\u003e\n\n\u003cstyle\u003e\n  .ms-wrap * { box-sizing: border-box; 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font-size: 0.93em; line-height: 1.5; }\n  .ms-wiring-desc strong { color: #ffffff; }\n\n  .ms-card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 24px 0; }\n  @media (max-width: 600px) { .ms-card-grid { grid-template-columns: 1fr; } }\n  .ms-card {\n    background: #ffffff;\n    border: 1px solid #e2e8f0;\n    border-top: 3px solid #16a34a;\n    border-radius: 6px;\n    padding: 22px;\n  }\n  .ms-card-label {\n    display: inline-block;\n    background: #16a34a;\n    color: #ffffff;\n    font-size: 0.68em;\n    font-weight: 700;\n    letter-spacing: 0.1em;\n    text-transform: uppercase;\n    padding: 3px 10px;\n    border-radius: 3px;\n    margin-bottom: 10px;\n  }\n  .ms-card h4 { color: #14532d; font-size: 1em; font-weight: 700; margin: 0 0 10px 0; }\n  .ms-card-divider { height: 2px; background: #16a34a; width: 32px; margin-bottom: 12px; border-radius: 2px; }\n  .ms-card p { font-size: 0.93em; color: #475569; margin: 0; line-height: 1.65; }\n  .ms-card p strong { color: #14532d; }\n\n  .ms-warranty {\n    background: #0f172a;\n    border-left: 5px solid #16a34a;\n    border-radius: 0 6px 6px 0;\n    padding: 20px 28px;\n    margin: 28px 0;\n    display: flex;\n    align-items: center;\n    gap: 20px;\n  }\n  .ms-warranty-badge { background: #16a34a; color: #ffffff; font-size: 1em; font-weight: 800; padding: 10px 16px; border-radius: 4px; white-space: nowrap; }\n  .ms-warranty p { color: #cbd5e1; font-size: 0.93em; margin: 0; line-height: 1.6; }\n  .ms-warranty strong { color: #ffffff; }\n\n  .ms-fitment { list-style: none; margin: 14px 0 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }\n  @media (max-width: 560px) { .ms-fitment { grid-template-columns: 1fr; } }\n  .ms-fitment li { font-size: 0.93em; color: #334155; padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #16a34a; border-radius: 0 4px 4px 0; }\n\n  .ms-divider { border: none; border-top: 1px solid #e2e8f0; margin: 32px 0; }\n  .ms-langboard { font-weight: 700; color: #14532d; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"ms-wrap\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cdiv class=\"ms-hero\"\u003e\n    \u003cspan class=\"ms-hero-badge\"\u003eMicro Series | M12D-S WAV | Enclosure Only\u003c\/span\u003e\n    \u003ch2\u003eDual 12\". 8\" Deep.\u003cbr\u003e0.60 cu ft Per Chamber.\u003c\/h2\u003e\n    \u003cp\u003eTwo Wavtech thinPRO 12 drivers. Two isolated sealed chambers. Each chamber holds exactly 0.60 cubic feet. Wavtech's published optimal sealed volume for this driver. The M12D-S WAV delivers dual 12\" output in 8 inches of total depth. A conventional dual 12\" sealed box at this volume runs 14–18 inches deep. This one fits behind the seat of a full-size truck.\u003c\/p\u003e\n    \u003cdiv class=\"ms-hero-stats\"\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e1.20\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eCu Ft Net Total\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e0.60\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eCu Ft Per Chamber\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e8\"\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eTotal Depth\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e1,500W\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eCombined RMS Rating\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- ENCLOSURE ONLY NOTICE --\u003e\n  \u003cdiv class=\"ms-alert\"\u003e\n    \u003cstrong\u003eEnclosure only.\u003c\/strong\u003e Wavtech thinPRO 12 subwoofers are not included and must be purchased separately. This enclosure accepts both the thinPRO12-2 (Single 2Ω) and thinPRO12-4 (Single 4Ω). Select the variant that matches your amplifier's stable impedance before ordering. Final load depends on which variant you choose and how they are wired.\n  \u003c\/div\u003e\n\n  \u003c!-- SECTION 1: Volume --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003e0.60 cu ft Per Chamber, Calculated Per Driver, Not Split From a Single Box\u003c\/h3\u003e\n    \u003cp\u003eRunning two thinPRO 12 drivers in a shared enclosure is not the same as doubling a single-driver box. Each driver needs its own isolated airspace to load correctly. The M12D-S WAV uses a dual-chamber construction, each driver occupies a fully sealed, acoustically isolated 0.60 cubic foot chamber. That is Wavtech's published optimal sealed volume for the thinPRO 12. Neither driver is sharing airspace with the other, and neither chamber is being compromised to hit a total volume number.\u003c\/p\u003e\n    \u003cp\u003eThe 1.20 cubic feet total net volume is calculated after driver displacement, double-layer baffle material, and internal chamber divider are subtracted. What each driver sees is 0.60 cubic feet of net sealed airspace, the same volume a single M12-S WAV delivers, replicated twice inside one enclosure footprint.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- SECTION 2: Construction --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003e1.5\" Double-Layer Baffle: V-Groove and Dado Joinery Throughout\u003c\/h3\u003e\n    \u003cp\u003eThe front baffle is a double-layer stack-fab build, two CNC-cut Langboard Elite panels bonded to 1.5 inches total. Two thinPRO 12 drivers at 750 watts RMS each generate 1,500 watts of combined excursion load at the baffle simultaneously. A single 3\/4\" panel at this output level resonates. Two bonded layers do not.\u003c\/p\u003e\n    \u003cp\u003eThe rest of the enclosure uses both V-groove and dado joinery, V-groove at the exterior panel edges for a tight, finished corner, dado slots at every interior panel intersection for a mechanical interlock before adhesive is applied. Neither joint relies on adhesive condition alone. The chamber divider wall uses the same joinery standard as the exterior panels, fully interlocked, adhesive-sealed, and CNC-cut to maintain the acoustic isolation between chambers.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- IMPEDANCE WIRING BLOCK --\u003e\n  \u003cdiv class=\"ms-wiring\"\u003e\n    \u003ch3\u003eImpedance Wiring: Know Before You Order\u003c\/h3\u003e\n    \u003cdiv class=\"ms-wiring-row\"\u003e\n      \u003cdiv class=\"ms-wiring-load\"\u003e1Ω\u003c\/div\u003e\n      \u003cdiv class=\"ms-wiring-desc\"\u003e\n\u003cstrong\u003eTwo thinPRO12-2 (Single 2Ω) wired in parallel.\u003c\/strong\u003e Maximum power extraction from 1Ω-stable monoblocks. Verify your amplifier is explicitly rated for sustained 1Ω operation before selecting this configuration.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"ms-wiring-row\"\u003e\n      \u003cdiv class=\"ms-wiring-load\"\u003e2Ω\u003c\/div\u003e\n      \u003cdiv class=\"ms-wiring-desc\"\u003e\n\u003cstrong\u003eTwo thinPRO12-4 (Single 4Ω) wired in parallel.\u003c\/strong\u003e Broadest amplifier compatibility. Most quality Class D monoblocks are stable and efficient at 2Ω. This is the recommended configuration for most builds.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"ms-wiring-row\"\u003e\n      \u003cdiv class=\"ms-wiring-load\"\u003e4Ω\u003c\/div\u003e\n      \u003cdiv class=\"ms-wiring-desc\"\u003e\n\u003cstrong\u003eTwo thinPRO12-2 (Single 2Ω) wired in series.\u003c\/strong\u003e Safest electrical configuration. Requires a monoblock with strong 4Ω output ratings to deliver the power ceiling these drivers need.\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WHY CARDS --\u003e\n  \u003cdiv class=\"ms-card-grid\"\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eVolume\u003c\/span\u003e\n      \u003ch4\u003eDual Chamber: 0.60 cu ft Each, Acoustically Isolated\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eEach driver occupies its own fully sealed chamber at \u003cstrong\u003e0.60 cubic feet net\u003c\/strong\u003e: Wavtech's optimal sealed volume for the thinPRO 12. The chamber divider is CNC-cut and dado-jointed. Neither driver shares airspace with the other.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eBaffle\u003c\/span\u003e\n      \u003ch4\u003e1.5\" Double-Layer Stack Fab, 1,500W Combined Load\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eTwo bonded layers of \u003cstrong\u003eLangboard Elite 3\/4\" MDF\u003c\/strong\u003e at 1.5 inches total. At 1,500 watts RMS combined, the baffle is the highest-stress panel in this build. Double-layer construction eliminates the resonance a single panel would introduce at this output level.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eJoinery\u003c\/span\u003e\n      \u003ch4\u003eV-Groove + Dado: Two Mechanical Systems\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003e\u003cstrong\u003eV-groove joinery\u003c\/strong\u003e at exterior panel edges creates tight, finished corners. \u003cstrong\u003eDado joinery\u003c\/strong\u003e at interior panel intersections provides a mechanical interlock at every critical joint. Both systems are adhesive-sealed. No joint relies on glue alone.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eTerminal\u003c\/span\u003e\n      \u003ch4\u003eProline X Terminal Cup: One Per Chamber\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eEach chamber has its own dedicated \u003cstrong\u003eProline X ABS\/carbon fiber terminal cup\u003c\/strong\u003e with stainless steel hardware and copper ring terminals. Pre-wired with 12-gauge OFC internally. No shared terminal between drivers. Each driver connects independently to its own cup.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eMounting\u003c\/span\u003e\n      \u003ch4\u003e8\/32 Threaded Inserts: Machine Screws Included\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eBoth baffle positions are fitted with \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e. Stainless 8\/32 machine screws are included for both drivers. Each thinPRO 12 threads into steel, not MDF. Consistent clamping torque, no stripping, and both drivers reinstall cleanly after any service.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eDepth\u003c\/span\u003e\n      \u003ch4\u003e8\" Total: Dual 12\" Where a Standard Box Cannot Go\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eA conventional dual 12\" sealed enclosure at 1.20 cubic feet runs \u003cstrong\u003e14–18 inches deep\u003c\/strong\u003e. The M12D-S WAV runs 8. The thinPRO 12's 3-inch mounting depth is the only reason this geometry is possible, and this enclosure is the only dual 12\" build that uses it correctly.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eConfiguration\u003c\/span\u003e\n      \u003ch4\u003eFront-Firing or Downfiring: Feet Included\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe M12D-S WAV ships with \u003cstrong\u003efeet for downfiring installation\u003c\/strong\u003e. Run it front-firing in a standard trunk or cargo floor orientation, or flip it to downfire to couple bass output with the vehicle floor. No additional hardware required for either configuration.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eAcoustic\u003c\/span\u003e\n      \u003ch4\u003ePolyfill Pre-Installed: Per Chamber\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003ePolyfill is packed and installed in \u003cstrong\u003eeach chamber independently\u003c\/strong\u003e at the factory. Consistent density per chamber, confirmed before the enclosure ships. Factory installation removes the variable of installer-estimated packing. Both chambers are acoustically matched at the polyfill stage.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003c!-- HIGHLIGHT --\u003e\n  \u003cdiv class=\"ms-highlight\"\u003e\n    \u003ch3\u003eReady to Mount. Ready to Wire.\u003c\/h3\u003e\n    \u003cp\u003eBoth baffles ship with \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e and stainless machine screws included, both thinPRO 12 drivers mount to steel, not MDF. Each chamber has its own \u003cstrong\u003eProline X terminal cup\u003c\/strong\u003e pre-wired with 12-gauge OFC. Connect your amplifier runs to the two terminal cups, mount both drivers, and installation is complete. No internal wiring work, no hardware to source separately.\u003c\/p\u003e\n    \u003ch3\u003eOptional Acrylic Front Panel\u003c\/h3\u003e\n    \u003cp\u003eThe M12D-S WAV is available with an optional \u003cstrong\u003egloss black acrylic front panel\u003c\/strong\u003e. Option B adds the Wavtech logo in white. Option C adds your custom artwork. Submit your file after purchase and we will confirm before production. Option A ships without acrylic. Plush black carpet face only. Select at checkout.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FITMENT --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eWhere It Fits\u003c\/h3\u003e\n    \u003cp\u003eAt 29\" × 15\" × 8\", measure your available space before ordering. The 29\" width and 15\" depth are the dimensions most likely to be constraints depending on your vehicle. The 8\" height is what makes this viable in applications where no conventional dual 12\" build would fit:\u003c\/p\u003e\n    \u003cul class=\"ms-fitment\"\u003e\n      \u003cli\u003eBehind-seat: full-size crew cab and extended cab trucks\u003c\/li\u003e\n      \u003cli\u003eTrunk floor: full-size sedans and wagons\u003c\/li\u003e\n      \u003cli\u003eFlat cargo floor: crossovers and mid-size SUVs\u003c\/li\u003e\n      \u003cli\u003eUnder rear bench: SUVs and full-size vans\u003c\/li\u003e\n      \u003cli\u003eStealth cargo builds: hatchbacks and sports wagons\u003c\/li\u003e\n      \u003cli\u003eHigh-output daily builds where depth is the primary constraint\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WARRANTY --\u003e\n  \u003cdiv class=\"ms-warranty\"\u003e\n    \u003cdiv class=\"ms-warranty-badge\"\u003e2-Year Warranty\u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eAll Proline X Micro Series enclosures carry a two-year manufacturer's warranty\u003c\/strong\u003e against defects in materials and workmanship. Built and inspected in our Tullahoma, Tennessee facility before shipment. Contact Audio Intensity directly for warranty support.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003chr class=\"ms-divider\"\u003e\n\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eMade in Tennessee\u003c\/h3\u003e\n    \u003cp\u003eThe M12D-S WAV is CNC-cut and hand-assembled in Tullahoma, Tennessee on ShopSabre CNC routers. Every panel dimension, chamber volume, dado joint depth, baffle layer count, and terminal placement is held to spec on every unit. \u003cspan class=\"ms-langboard\"\u003eLangboard Elite MDF\u003c\/span\u003e throughout: named, mill-documented, published density and internal bond specifications. Not a generic \"premium MDF\" claim.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\n\u003c!-- ============================================================\n     SPECS TABLE — drop into Specifications metafield\n     ============================================================ --\u003e\n\n\u003c!--\n\u003ctable width=\"100%\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eM12D-S WAV\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eCompatible Driver\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eWavtech thinPRO12-2 \/ thinPRO12-4\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eDual 12\" — Dual Chamber Sealed\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eInternal Volume (Net)\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e1.20 Cubic Feet Total (0.60 cu ft per chamber)\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eLangboard Elite 3\/4\" MDF\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eCNC-Cut Stack Fab \/ V-Groove + Dado Joinery\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eFront Panel Thickness\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e1.5 Inches (Double-Layer Stack Fab)\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eExternal Width\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e29 Inches\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eExternal Height\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e8 Inches\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eExternal Depth\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e15 Inches\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eMax Mounting Depth\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e6.0 Inches\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eWoofer Opening\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eDirect Fit — Wavtech thinPRO 12 (Standard 12\" Cutout)\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eDriver Mounting\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e8\/32 Threaded Inserts — Stainless Machine Screws Included\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eTerminal Cup\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eProline X ABS\/Carbon Fiber — One Per Chamber, Pre-Wired\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eInternal Wiring\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e12-Gauge OFC (Oxygen-Free Copper)\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eImpedance Options\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e1Ω (two S2Ω parallel) \/ 2Ω (two S4Ω parallel) \/ 4Ω (two S2Ω series)\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eFiring Direction\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eFront-Firing or Downfiring\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eDownfire Feet\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eIncluded\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003ePolyfill\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003ePre-Installed Per Chamber\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003ePlush Black Automotive Carpet\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eOptional Acrylic Panel\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eGloss Black — Wavtech Logo (B) or Custom (C)\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e80 lbs\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e2 Years — Proline X \/ Audio Intensity\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eMade In\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eTullahoma, Tennessee, USA\u003c\/td\u003e\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n--\u003e\n\n\n\u003c!-- ============================================================\n     CHEAT SHEET — drop into Quick Specs metafield\n     ============================================================ --\u003e\n\n\u003c!--\n\u003cul class=\"cheat-sheet-list\"\u003e\n  \u003cli\u003e\u003cstrong\u003eBest For:\u003c\/strong\u003e High-output stealth builds — full-size trucks, trunk floor installs, depth-constrained dual 12\" applications\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003ePower:\u003c\/strong\u003e 1,500W RMS combined (750W RMS per Wavtech thinPRO 12)\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eTopology\/Class:\u003c\/strong\u003e Sealed \/ Dual Chamber \/ Double-Layer Stack Fab \/ Front-Fire or Downfire\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eSonic Character:\u003c\/strong\u003e Deep, controlled, musical dual 12\" output — 0.60 cu ft per chamber hits Wavtech's optimal sealed target exactly\u003c\/li\u003e\n\u003c\/ul\u003e\n--\u003e","brand":"Proline X","offers":[{"title":"No Thanks","offer_id":43162222100569,"sku":"M12D-S WAV NA","price":299.99,"currency_code":"USD","in_stock":true},{"title":"Yes- Brand or Automotive Logo","offer_id":43162278953049,"sku":"M12D-S WAV LOGO","price":339.99,"currency_code":"USD","in_stock":true},{"title":"Custom - Contact me for details","offer_id":43162222133337,"sku":"M12D-S WAV CUST","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/loaded-dual-wavtech-thinpro12-subwoofers-proline-x-micro-series-sealed-enclosureenclosed-subwooferaudio-intensity-504909.jpg?v=1761970494"},{"product_id":"proline-x-micro-series-12-sealed-enclosure-fits-wavtech-thinpro-12","title":"Proline X Micro Series 12\" Sealed Enclosure - Fits Wavtech thinPRO12","description":"\u003c!-- ============================================================\n     PROLINE X MICRO SERIES — M12-S WAV\n     WAVTECH thinPRO 12 | SEALED ENCLOSURE ONLY\n     Color system: Green (#16a34a primary)\n     ============================================================ --\u003e\n\n\u003cstyle\u003e\n  .ms-wrap * { box-sizing: border-box; }\n  .ms-wrap { font-family: inherit; color: #1e293b; line-height: 1.7; max-width: 1200px; margin: 0 auto; }\n\n  .ms-hero {\n    background: linear-gradient(135deg, #0f172a 0%, #14532d 100%);\n    border-radius: 8px;\n    padding: 40px 36px;\n    margin-bottom: 32px;\n    position: relative;\n    overflow: hidden;\n  }\n  .ms-hero::before {\n    content: '';\n    position: absolute;\n    top: -40px; right: -40px;\n    width: 220px; height: 220px;\n    background: rgba(22,163,74,0.12);\n    border-radius: 50%;\n  }\n  .ms-hero-badge {\n    display: inline-block;\n    background: transparent;\n    border: 2px solid #16a34a;\n    color: #86efac;\n    font-size: 0.75em;\n    font-weight: 700;\n    letter-spacing: 0.12em;\n    text-transform: uppercase;\n    padding: 4px 14px;\n    border-radius: 20px;\n    margin-bottom: 16px;\n  }\n  .ms-hero h2 { color: #ffffff; font-size: 1.65em; font-weight: 800; margin: 0 0 14px 0; line-height: 1.25; }\n  .ms-hero p { color: #cbd5e1; font-size: 1em; margin: 0 0 24px 0; max-width: 640px; line-height: 1.7; }\n  .ms-hero-stats { display: flex; gap: 28px; flex-wrap: wrap; }\n  .ms-stat { text-align: center; }\n  .ms-stat-num { display: block; color: #86efac; font-size: 1.5em; font-weight: 800; line-height: 1; }\n  .ms-stat-label { display: block; color: #94a3b8; font-size: 0.72em; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 4px; }\n\n  .ms-section {\n    background: #ffffff;\n    border: 1px solid #e2e8f0;\n    border-top: 4px solid #16a34a;\n    border-radius: 6px;\n    padding: 28px 32px;\n    margin-bottom: 24px;\n  }\n  .ms-section:nth-child(odd) { background: #f8fafc; }\n  .ms-section h3 { color: #14532d; font-size: 1.15em; font-weight: 700; margin: 0 0 14px 0; }\n  .ms-section p { color: #334155; font-size: 0.97em; margin: 0 0 12px 0; }\n  .ms-section p:last-child { margin-bottom: 0; }\n\n  .ms-highlight {\n    background: #f0fdf4;\n    border-left: 5px solid #16a34a;\n    padding: 22px 28px;\n    margin: 28px 0;\n    border-radius: 0 6px 6px 0;\n  }\n  .ms-highlight h3 { color: #14532d; margin: 0 0 10px 0; font-size: 1.1em; font-weight: 700; }\n  .ms-highlight h3 + h3 { margin-top: 18px; }\n  .ms-highlight p { margin-bottom: 10px; color: #1e293b; font-size: 0.97em; }\n  .ms-highlight p:last-child { margin-bottom: 0; }\n\n  .ms-alert {\n    background: #dcfce7;\n    border: 1px solid #16a34a;\n    border-radius: 6px;\n    padding: 14px 18px;\n    margin: 20px 0;\n    font-size: 0.93em;\n    color: #166534;\n  }\n  .ms-alert strong { color: #14532d; }\n\n  .ms-card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 24px 0; }\n  @media (max-width: 600px) { .ms-card-grid { grid-template-columns: 1fr; } }\n  .ms-card {\n    background: #ffffff;\n    border: 1px solid #e2e8f0;\n    border-top: 3px solid #16a34a;\n    border-radius: 6px;\n    padding: 22px;\n  }\n  .ms-card-label {\n    display: inline-block;\n    background: #16a34a;\n    color: #ffffff;\n    font-size: 0.68em;\n    font-weight: 700;\n    letter-spacing: 0.1em;\n    text-transform: uppercase;\n    padding: 3px 10px;\n    border-radius: 3px;\n    margin-bottom: 10px;\n  }\n  .ms-card h4 { color: #14532d; font-size: 1em; font-weight: 700; margin: 0 0 10px 0; }\n  .ms-card-divider { height: 2px; background: #16a34a; width: 32px; margin-bottom: 12px; border-radius: 2px; }\n  .ms-card p { font-size: 0.93em; color: #475569; margin: 0; line-height: 1.65; }\n  .ms-card p strong { color: #14532d; }\n\n  .ms-warranty {\n    background: #0f172a;\n    border-left: 5px solid #16a34a;\n    border-radius: 0 6px 6px 0;\n    padding: 20px 28px;\n    margin: 28px 0;\n    display: flex;\n    align-items: center;\n    gap: 20px;\n  }\n  .ms-warranty-badge { background: #16a34a; color: #ffffff; font-size: 1em; font-weight: 800; padding: 10px 16px; border-radius: 4px; white-space: nowrap; }\n  .ms-warranty p { color: #cbd5e1; font-size: 0.93em; margin: 0; line-height: 1.6; }\n  .ms-warranty strong { color: #ffffff; }\n\n  .ms-fitment { list-style: none; margin: 14px 0 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }\n  @media (max-width: 560px) { .ms-fitment { grid-template-columns: 1fr; } }\n  .ms-fitment li { font-size: 0.93em; color: #334155; padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #16a34a; border-radius: 0 4px 4px 0; }\n\n  .ms-divider { border: none; border-top: 1px solid #e2e8f0; margin: 32px 0; }\n  .ms-langboard { font-weight: 700; color: #14532d; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"ms-wrap\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cdiv class=\"ms-hero\"\u003e\n    \u003cspan class=\"ms-hero-badge\"\u003eMicro Series | M12-S WAV | Enclosure Only\u003c\/span\u003e\n    \u003ch2\u003eWavtech's Optimal 0.60 cu ft.\u003cbr\u003eIn 4.5 Inches of Depth.\u003c\/h2\u003e\n    \u003cp\u003eThe Wavtech thinPRO 12 has a published optimal sealed volume of 0.60 cubic feet. The Proline X M12-S WAV delivers exactly that, net, after displacement, in a double-layer stack-fab enclosure that is 4.5 inches deep. Use it front-firing or flip it to downfire with the included feet. Where a conventional 0.60 cubic foot sealed 12\" box runs 10-12 inches of depth, this one fits behind the seat of a crew cab truck.\u003c\/p\u003e\n    \u003cdiv class=\"ms-hero-stats\"\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e0.60\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eCu Ft Net: Optimal\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e4.5\"\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eTotal Depth\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e1.5\"\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eDouble-Layer Baffle\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e750W\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eDriver RMS Rating\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- ENCLOSURE ONLY NOTICE --\u003e\n  \u003cdiv class=\"ms-alert\"\u003e\n    \u003cstrong\u003eEnclosure only.\u003c\/strong\u003e The Wavtech thinPRO 12 subwoofer is not included. This enclosure is designed for customers who already own or are separately purchasing the thinPRO12-2 or thinPRO12-4. Both impedance variants are physically identical and fit this enclosure.\n  \u003c\/div\u003e\n\n  \u003c!-- SECTION 1: Volume --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003e0.60 Cubic Feet: The Number Wavtech Publishes as Optimal\u003c\/h3\u003e\n    \u003cp\u003eWavtech publishes a sealed volume range of 0.40–1.0 cubic feet for the thinPRO 12, with 0.60 cubic feet as the optimum. At that volume the system Qtc lands near 0.94 based on the thinPRO 12's published T\/S parameters. Slightly elevated above neutral, which in real-world vehicle cabin environments produces a useful low-frequency extension curve that works with cabin gain rather than against it.\u003c\/p\u003e\n    \u003cp\u003eThe M12-S WAV is built to hit 0.60 cubic feet net. Calculated after driver displacement and double-layer baffle material are subtracted from gross internal volume. Generic shallow-mount 12\" enclosures advertise gross volume and sell the same box for multiple driver models. This enclosure is built to one spec, for one driver, and the volume target is the one Wavtech specifies as optimal. The acoustic result you model for this driver in this box is the result you get.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- SECTION 2: Baffle --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003e1.5\" Double-Layer Baffle: Built for 750W RMS\u003c\/h3\u003e\n    \u003cp\u003eThe front baffle on the M12-S WAV is 1.5 inches thick, two CNC-cut Langboard Elite panels bonded in a stack-fab assembly. The baffle is the highest-stress structural member in any sealed enclosure. It carries the driver's mechanical mounting load and sustains the full acoustic pressure differential between the pressurized interior and the exterior on every bass transient. At 750 watts RMS, the thinPRO 12 loads that baffle hard.\u003c\/p\u003e\n    \u003cp\u003eA single 3\/4\" panel at this driver size and power class will resonate at frequencies within the driver's operating range, adding coloration to the output. Two bonded Langboard Elite layers at 1.5 inches effectively double the panel mass and eliminate the resonance problem at the structural level. The rest of the enclosure runs standard stack-fab construction throughout, dado-jointed, adhesive-sealed, and CNC-cut to tolerance on every panel.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WHY CARDS --\u003e\n  \u003cdiv class=\"ms-card-grid\"\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eVolume\u003c\/span\u003e\n      \u003ch4\u003e0.60 cu ft Net: Wavtech's Published Optimum\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eWavtech specifies \u003cstrong\u003e0.60 cubic feet\u003c\/strong\u003e as the optimal sealed volume for the thinPRO 12. This enclosure delivers that number net. After driver displacement and double-layer baffle thickness are subtracted. Not approximated from external dimensions.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eBaffle\u003c\/span\u003e\n      \u003ch4\u003e1.5\" Double-Layer Stack Fab: No Baffle Resonance\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eTwo bonded layers of \u003cstrong\u003eLangboard Elite 3\/4\" MDF\u003c\/strong\u003e form a 1.5-inch baffle that does not flex or resonate at the power levels the thinPRO 12 is rated for. Panel resonance at the baffle adds coloration to bass output. This construction eliminates it at the source.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eMounting\u003c\/span\u003e\n      \u003ch4\u003e8\/32 Threaded Inserts: Machine Screws Included\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe double-layer baffle is fitted with \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e. Stainless 8\/32 machine screws are included. The thinPRO 12 threads into steel, not MDF. No stripping, no loosening under vibration, and the driver comes out and reinstalls cleanly every time.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eWiring\u003c\/span\u003e\n      \u003ch4\u003eProline X Terminal Cup: Pre-Wired from the Factory\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe Proline X \u003cstrong\u003eproprietary terminal cup\u003c\/strong\u003e is installed and pre-wired with \u003cstrong\u003e12-gauge OFC\u003c\/strong\u003e run internally to the driver location. Connect your amplifier run to the terminal cup, mount the driver to the threaded inserts. Installation is complete on both counts without touching internal wiring.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eDepth\u003c\/span\u003e\n      \u003ch4\u003e4.5\" Total: Where a Standard 12\" Box Cannot Go\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eA conventional 0.60 cubic foot sealed 12\" enclosure runs \u003cstrong\u003e10-12 inches deep\u003c\/strong\u003e. The M12-S WAV runs 4.5. That is the difference between fitting behind the seat of a crew cab truck and not fitting at all. The thinPRO 12's 3-inch mounting depth is what makes this geometry possible.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eConfiguration\u003c\/span\u003e\n      \u003ch4\u003eFront-Firing or Downfiring: Feet Included\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe M12-S WAV ships with \u003cstrong\u003erubber feet for downfiring installation\u003c\/strong\u003e. Use it front-firing in standard orientation or flip it downward to couple bass output with the vehicle floor. Downfiring is particularly effective in full-size truck cabs where floor coupling distributes low-frequency response more evenly throughout the cabin.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eStructure\u003c\/span\u003e\n      \u003ch4\u003eStack-Fab Dado Joinery Throughout\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eEvery panel joint beyond the baffle uses CNC-cut interlocking dado slots, mechanical interlock before adhesive, adhesive seal after. No joint relies on glue alone. At the panel level, \u003cstrong\u003eLangboard Elite MDF\u003c\/strong\u003e with a published 200 psi internal bond rating and 410,000 psi MOE holds structural integrity at sustained high-excursion input levels.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eAcoustic\u003c\/span\u003e\n      \u003ch4\u003ePolyfill Pre-Installed\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003ePolyfill is packed and installed at the factory. It acoustically increases effective internal volume, extending low-frequency output without adding external size. Factory installation ensures consistent packing density across every unit, not left to the installer to estimate.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eFitment\u003c\/span\u003e\n      \u003ch4\u003eStandard 12\" Cutout: Direct Fit thinPRO 12\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe thinPRO 12 uses a \u003cstrong\u003estandard 12\" round mounting flange\u003c\/strong\u003e (282mm \/ 11-1\/8\"). The M12-S WAV baffle is machined to that cutout diameter. The driver seats flush, seals against the gasket, and mounts to the threaded inserts without shimming or modification.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003c!-- HIGHLIGHT --\u003e\n  \u003cdiv class=\"ms-highlight\"\u003e\n    \u003ch3\u003eReady to Mount. Ready to Wire. Ready to Downfire.\u003c\/h3\u003e\n    \u003cp\u003eThe M12-S WAV ships fully prepped. The \u003cstrong\u003eProline X terminal cup\u003c\/strong\u003e is installed and pre-wired to the driver location with 12-gauge OFC. Connect your amplifier run and the wiring side is done. The double-layer baffle uses \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e with stainless machine screws included, the thinPRO 12 mounts to steel, not MDF. \u003cstrong\u003eRubber feet are included\u003c\/strong\u003e for downfiring installation. No additional hardware required to run it either way. Pre-installed polyfill is already packed at the factory.\u003c\/p\u003e\n    \u003ch3\u003eImpedance Options: thinPRO12-2 and thinPRO12-4\u003c\/h3\u003e\n    \u003cp\u003eThe Wavtech thinPRO 12 is available as the \u003cstrong\u003ethinPRO12-2\u003c\/strong\u003e (single 2-ohm voice coil) and the \u003cstrong\u003ethinPRO12-4\u003c\/strong\u003e (single 4-ohm voice coil). Both variants are physically identical and fit this enclosure. Choose the impedance that matches your amplifier's stable load. Single voice coil, single connection, no wiring configuration required.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FITMENT --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eWhere It Fits\u003c\/h3\u003e\n    \u003cp\u003eAt 26.5\" × 17\" × 4.5\", the M12-S WAV opens install locations that no conventional 0.60 cu ft 12\" sealed build can reach:\u003c\/p\u003e\n    \u003cul class=\"ms-fitment\"\u003e\n      \u003cli\u003eBehind-seat: full-size crew cab and extended cab trucks\u003c\/li\u003e\n      \u003cli\u003eUnder rear bench: SUVs and full-size vans\u003c\/li\u003e\n      \u003cli\u003eTrunk floor: full-size sedans and wagons\u003c\/li\u003e\n      \u003cli\u003eCargo floor: crossovers and mid-size SUVs\u003c\/li\u003e\n      \u003cli\u003eFlat cargo area: hatchbacks and sports cars\u003c\/li\u003e\n      \u003cli\u003eCustom under-bed installs: utility and work trucks\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WARRANTY --\u003e\n  \u003cdiv class=\"ms-warranty\"\u003e\n    \u003cdiv class=\"ms-warranty-badge\"\u003e2-Year Warranty\u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eAll Proline X Micro Series enclosures are covered by a two-year manufacturer's warranty\u003c\/strong\u003e against defects in materials and workmanship. Built in our Tennessee facility and inspected before shipment. Contact Audio Intensity directly for warranty support.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003chr class=\"ms-divider\"\u003e\n\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eMade in Tennessee\u003c\/h3\u003e\n    \u003cp\u003eEvery Proline X Micro Series enclosure is CNC-cut and hand-assembled in Tullahoma, Tennessee on ShopSabre CNC routers. Internal volume, dado joint depth, cutout diameter, baffle layer count, and terminal placement are held to spec on every unit. \u003cspan class=\"ms-langboard\"\u003eLangboard Elite MDF\u003c\/span\u003e is used throughout, a named, mill-documented board with published density, internal bond, and screw-holding specifications. Not a generic \"premium MDF\" claim.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":43169786986585,"sku":"M12-S WAV","price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-micro-series-12-sealed-enclosure-fits-wavtech-thinpro-12subwoofer-enclosuresproline-x-9018098.jpg?v=1774218428"},{"product_id":"proline-x-micro-series-12-sealed-enclosure-fits-jl-12tw3","title":"Proline X Micro Series 12\" Sealed Enclosure - Fits JL Audio 12TW3","description":"\u003c!-- ============================================================\n     PROLINE X MICRO SERIES — JL AUDIO 12TW3\n     SEALED 12\" ENCLOSURE ONLY\n     Color system: Green (#16a34a primary)\n     ============================================================ --\u003e\n\n\u003cstyle\u003e\n  .ms-wrap * { box-sizing: border-box; }\n  .ms-wrap { font-family: inherit; color: #1e293b; line-height: 1.7; max-width: 1200px; margin: 0 auto; }\n\n  .ms-hero {\n    background: linear-gradient(135deg, #0f172a 0%, #14532d 100%);\n    border-radius: 8px;\n    padding: 40px 36px;\n    margin-bottom: 32px;\n    position: relative;\n    overflow: hidden;\n  }\n  .ms-hero::before {\n    content: '';\n    position: absolute;\n    top: -40px; right: -40px;\n    width: 220px; height: 220px;\n    background: rgba(22,163,74,0.12);\n    border-radius: 50%;\n  }\n  .ms-hero-badge {\n    display: inline-block;\n    background: transparent;\n    border: 2px solid #16a34a;\n    color: #86efac;\n    font-size: 0.75em;\n    font-weight: 700;\n    letter-spacing: 0.12em;\n    text-transform: uppercase;\n    padding: 4px 14px;\n    border-radius: 20px;\n    margin-bottom: 16px;\n  }\n  .ms-hero h2 { color: #ffffff; font-size: 1.65em; font-weight: 800; margin: 0 0 14px 0; line-height: 1.25; }\n  .ms-hero p { color: #cbd5e1; font-size: 1em; margin: 0 0 24px 0; max-width: 640px; line-height: 1.7; }\n  .ms-hero-stats { display: flex; gap: 28px; flex-wrap: wrap; }\n  .ms-stat { text-align: center; }\n  .ms-stat-num { display: block; color: #86efac; font-size: 1.5em; font-weight: 800; line-height: 1; }\n  .ms-stat-label { display: block; color: #94a3b8; font-size: 0.72em; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 4px; }\n\n  .ms-section {\n    background: #ffffff;\n    border: 1px solid #e2e8f0;\n    border-top: 4px solid #16a34a;\n    border-radius: 6px;\n    padding: 28px 32px;\n    margin-bottom: 24px;\n  }\n  .ms-section:nth-child(odd) { background: #f8fafc; }\n  .ms-section h3 { color: #14532d; font-size: 1.15em; font-weight: 700; margin: 0 0 14px 0; }\n  .ms-section p { color: #334155; font-size: 0.97em; margin: 0 0 12px 0; }\n  .ms-section p:last-child { margin-bottom: 0; }\n\n  .ms-highlight {\n    background: #f0fdf4;\n    border-left: 5px solid #16a34a;\n    padding: 22px 28px;\n    margin: 28px 0;\n    border-radius: 0 6px 6px 0;\n  }\n  .ms-highlight h3 { color: #14532d; margin: 0 0 10px 0; font-size: 1.1em; font-weight: 700; }\n  .ms-highlight h3 + h3 { margin-top: 18px; }\n  .ms-highlight p { margin-bottom: 10px; color: #1e293b; font-size: 0.97em; }\n  .ms-highlight p:last-child { margin-bottom: 0; }\n\n  .ms-alert {\n    background: #dcfce7;\n    border: 1px solid #16a34a;\n    border-radius: 6px;\n    padding: 14px 18px;\n    margin: 20px 0;\n    font-size: 0.93em;\n    color: #166534;\n  }\n  .ms-alert strong { color: #14532d; }\n\n  .ms-card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 24px 0; }\n  @media (max-width: 600px) { .ms-card-grid { grid-template-columns: 1fr; } }\n  .ms-card {\n    background: #ffffff;\n    border: 1px solid #e2e8f0;\n    border-top: 3px solid #16a34a;\n    border-radius: 6px;\n    padding: 22px;\n  }\n  .ms-card-label {\n    display: inline-block;\n    background: #16a34a;\n    color: #ffffff;\n    font-size: 0.68em;\n    font-weight: 700;\n    letter-spacing: 0.1em;\n    text-transform: uppercase;\n    padding: 3px 10px;\n    border-radius: 3px;\n    margin-bottom: 10px;\n  }\n  .ms-card h4 { color: #14532d; font-size: 1em; font-weight: 700; margin: 0 0 10px 0; }\n  .ms-card-divider { height: 2px; background: #16a34a; width: 32px; margin-bottom: 12px; border-radius: 2px; }\n  .ms-card p { font-size: 0.93em; color: #475569; margin: 0; line-height: 1.65; }\n  .ms-card p strong { color: #14532d; }\n\n  .ms-warranty {\n    background: #0f172a;\n    border-left: 5px solid #16a34a;\n    border-radius: 0 6px 6px 0;\n    padding: 20px 28px;\n    margin: 28px 0;\n    display: flex;\n    align-items: center;\n    gap: 20px;\n  }\n  .ms-warranty-badge { background: #16a34a; color: #ffffff; font-size: 1em; font-weight: 800; padding: 10px 16px; border-radius: 4px; white-space: nowrap; }\n  .ms-warranty p { color: #cbd5e1; font-size: 0.93em; margin: 0; line-height: 1.6; }\n  .ms-warranty strong { color: #ffffff; }\n\n  .ms-fitment { list-style: none; margin: 14px 0 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }\n  @media (max-width: 560px) { .ms-fitment { grid-template-columns: 1fr; } }\n  .ms-fitment li { font-size: 0.93em; color: #334155; padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #16a34a; border-radius: 0 4px 4px 0; }\n\n  .ms-divider { border: none; border-top: 1px solid #e2e8f0; margin: 32px 0; }\n  .ms-langboard { font-weight: 700; color: #14532d; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"ms-wrap\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cdiv class=\"ms-hero\"\u003e\n    \u003cspan class=\"ms-hero-badge\"\u003eMicro Series | JL 12TW3 | Enclosure Only\u003c\/span\u003e\n    \u003ch2\u003eBuilt Around the JL Audio 12TW3.\u003cbr\u003e0.80 cu ft. Exactly.\u003c\/h2\u003e\n    \u003cp\u003eJL Audio publishes 0.80 cubic feet as the optimum sealed volume for the 12TW3. The Proline X Micro Series enclosure for the 12TW3 delivers exactly that, net, after displacement, in a double-layer stack-fab build that is 6.75 inches deep. Tab-ear cutout machined to JL Audio's exact geometry. 8\/32 threaded inserts for machine screw mounting. Front-firing or downfiring with feet included.\u003c\/p\u003e\n    \u003cdiv class=\"ms-hero-stats\"\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e0.80\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eCu Ft Net, JL Optimum\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e6.75\"\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eTotal Depth\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e1.5\"\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eDouble-Layer Baffle\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e3.5\"\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eMax Mount Depth\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- ENCLOSURE ONLY NOTICE --\u003e\n  \u003cdiv class=\"ms-alert\"\u003e\n    \u003cstrong\u003eEnclosure only.\u003c\/strong\u003e The JL Audio 12TW3 subwoofer is not included. This enclosure fits both the 12TW3-D4 and 12TW3-D8, the tab-ear cutout geometry and mounting hardware are identical across both variants.\n  \u003c\/div\u003e\n\n  \u003c!-- SECTION 1: Volume --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003e0.80 Cubic Feet, JL Audio's Published Optimum, Delivered Net\u003c\/h3\u003e\n    \u003cp\u003eThe JL Audio 12TW3 has a Fs of 26.5 Hz, a Qts of 0.53, and a Vas of 48.7 liters. JL Audio's published optimum sealed volume for this driver is 0.80 cubic feet. At that volume the system Qtc lands at the target JL Audio designed for in compact sealed applications. Producing controlled extension into the low 30s with the tight transient response the TW3 platform is built around.\u003c\/p\u003e\n    \u003cp\u003eGeneric 12\" shallow-mount enclosures are built to approximate volumes and sold as universal fits. This enclosure is built to one spec, for one driver. The 0.80 cubic foot figure is net internal volume. Calculated after driver displacement, double-layer baffle thickness, and polyfill are subtracted. Not approximated from external box dimensions before hardware is accounted for.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- SECTION 2: Construction --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eStack-Fab Construction with a 1.5\" Double-Layer Baffle\u003c\/h3\u003e\n    \u003cp\u003eThe front baffle is a double-layer stack-fab build, two CNC-cut Langboard Elite MDF panels bonded to 1.5 inches total thickness. The baffle carries the driver's mechanical mounting load and sustains the full acoustic pressure differential between the sealed interior and exterior on every bass transient. At 400 watts RMS on a 12\" cone, a single 3\/4\" panel resonates at frequencies within the driver's operating range. Two bonded layers eliminate that coloration at the structural level.\u003c\/p\u003e\n    \u003cp\u003eThe rest of the enclosure uses CNC-cut interlocking dado joints at every panel intersection, mechanical interlock before adhesive, adhesive seal after. Neither alone is the joint. The 6.75\" total depth gives each side panel more inherent geometric rigidity than the ultra-shallow Wavtech builds in the same series, which means the dado joinery here is reinforcing an already more rigid structure rather than compensating for shallow panel depth.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WHY CARDS --\u003e\n  \u003cdiv class=\"ms-card-grid\"\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eVolume\u003c\/span\u003e\n      \u003ch4\u003e0.80 cu ft Net, JL Audio's Published Optimum\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eJL Audio specifies \u003cstrong\u003e0.80 cubic feet\u003c\/strong\u003e as the optimum sealed volume for the 12TW3. This enclosure delivers that number net. After driver displacement, double-layer baffle thickness, and polyfill are subtracted. Not approximated from external dimensions.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eBaffle\u003c\/span\u003e\n      \u003ch4\u003e1.5\" Double-Layer: Baffle Resonance Eliminated\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eTwo bonded layers of \u003cstrong\u003eLangboard Elite 3\/4\" MDF\u003c\/strong\u003e produce a 1.5-inch baffle that does not flex or resonate at 400 watts RMS on a 12\" driver. Panel resonance at the baffle adds coloration to bass output. Double-layer construction eliminates it at the source.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eMounting\u003c\/span\u003e\n      \u003ch4\u003e8\/32 Threaded Inserts: Correct for Tab-Ear Drivers\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe 12TW3 uses injection-molded plastic mounting ears. Tapered wood screws apply outward pressure to those ears and will crack them under sustained vibration. \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e with stainless machine screws eliminate this failure mode entirely, the driver mounts to steel, not MDF, with even clamping force across all four ears.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eWiring\u003c\/span\u003e\n      \u003ch4\u003eProline X Terminal Cup: Pre-Wired with 12g OFC\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe \u003cstrong\u003eProline X terminal cup\u003c\/strong\u003e is installed and pre-wired with \u003cstrong\u003e12-gauge OFC\u003c\/strong\u003e run internally to the driver location. Connect your amplifier run to the terminal and mount the driver. No internal wiring work required.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eCutout\u003c\/span\u003e\n      \u003ch4\u003e11-5\/8\" Tab-Ear Geometry: Machined for the 12TW3\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe baffle cutout is machined to the \u003cstrong\u003e12TW3's tab-ear geometry\u003c\/strong\u003e: 11-5\/8\" (295mm) with mounting points positioned for the TW3's four-ear spacing. The driver seats flush against the baffle gasket without shimming or modification.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eConfiguration\u003c\/span\u003e\n      \u003ch4\u003eFront-Firing or Downfiring: Feet Included\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eRubber feet for \u003cstrong\u003edownfiring installation\u003c\/strong\u003e are included. Run it front-firing in a standard trunk or cargo orientation, or flip it downward to couple bass output with the vehicle floor. The 12TW3's no-pole-vent design means there are no motor ventilation concerns in either orientation.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eStructure\u003c\/span\u003e\n      \u003ch4\u003eDado Joinery: No Joint Relies on Glue Alone\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eEvery panel joint uses CNC-cut interlocking \u003cstrong\u003edado slots\u003c\/strong\u003e: the mechanical interlock holds panel alignment under load before adhesive is applied. The adhesive seals the joint permanently. Both together produce an airtight, acoustically inert enclosure that holds its integrity under sustained use.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eAcoustic\u003c\/span\u003e\n      \u003ch4\u003ePolyfill Pre-Installed at the Factory\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003ePolyfill is packed and installed at the factory before the enclosure ships. It acoustically extends effective internal volume for improved low-frequency output without adding external size. \u003cstrong\u003eFactory installation\u003c\/strong\u003e ensures consistent packing density on every unit, not left to the installer to approximate.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eReinforcement\u003c\/span\u003e\n      \u003ch4\u003eDowel-Reinforced Stack Fab: Mechanical Strength Beyond the Joint\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe stack-fab assembly is further reinforced with \u003cstrong\u003edowels throughout the construction\u003c\/strong\u003e. Dowels add mechanical alignment and shear resistance at panel joints beyond what dado joinery and adhesive alone provide. Locking the panel stack against lateral movement under the sustained excursion load a sealed enclosure generates at volume. The result is a structure that holds its geometry and its acoustic seal over years of real-world use.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003c!-- HIGHLIGHT --\u003e\n  \u003cdiv class=\"ms-highlight\"\u003e\n    \u003ch3\u003eReady to Mount. Ready to Wire. Ready to Downfire.\u003c\/h3\u003e\n    \u003cp\u003eThe enclosure ships fully prepped. The \u003cstrong\u003eProline X terminal cup\u003c\/strong\u003e is installed and pre-wired with 12-gauge OFC. Connect your amplifier run and that side is complete. The double-layer baffle uses \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e with stainless machine screws included. Both critical for the 12TW3's tab-ear mounting system. \u003cstrong\u003eRubber feet for downfiring\u003c\/strong\u003e are included. Polyfill is already packed.\u003c\/p\u003e\n    \u003ch3\u003eImpedance Options: 12TW3-D4 and 12TW3-D8\u003c\/h3\u003e\n    \u003cp\u003eThe JL Audio 12TW3 is available as the \u003cstrong\u003e12TW3-D4\u003c\/strong\u003e (dual 4-ohm voice coils) and the \u003cstrong\u003e12TW3-D8\u003c\/strong\u003e (dual 8-ohm voice coils). Both variants are physically identical and fit this enclosure. With the D4 wired in parallel you present a 2-ohm load; series presents 8 ohms. With the D8 wired in parallel you present a 4-ohm load; series presents 16 ohms. Most builds run the D4 at 2 ohms into a 2-ohm-stable monoblock in the 300–400 watt RMS range.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FITMENT --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eWhere It Fits\u003c\/h3\u003e\n    \u003cp\u003eAt 26\" × 14.75\" × 6.75\", this enclosure opens install locations that a conventional 0.80 cu ft sealed 12\" box, typically 10–14\" deep, cannot reach:\u003c\/p\u003e\n    \u003cul class=\"ms-fitment\"\u003e\n      \u003cli\u003eBehind-seat: full-size crew cab and extended cab trucks\u003c\/li\u003e\n      \u003cli\u003eUnder rear bench: SUVs and full-size vans\u003c\/li\u003e\n      \u003cli\u003eTrunk floor: full-size sedans and wagons\u003c\/li\u003e\n      \u003cli\u003eCargo floor: crossovers and mid-size SUVs\u003c\/li\u003e\n      \u003cli\u003eHatch floor: sports cars and hatchbacks\u003c\/li\u003e\n      \u003cli\u003eBehind-seat downfire. Truck cabs where floor coupling improves response\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WARRANTY --\u003e\n  \u003cdiv class=\"ms-warranty\"\u003e\n    \u003cdiv class=\"ms-warranty-badge\"\u003e2-Year Warranty\u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eAll Proline X Micro Series enclosures carry a two-year manufacturer's warranty\u003c\/strong\u003e against defects in materials and workmanship. Built and inspected in our Tullahoma, Tennessee facility before shipment. Contact Audio Intensity directly for warranty support.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003chr class=\"ms-divider\"\u003e\n\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eMade in Tennessee\u003c\/h3\u003e\n    \u003cp\u003eEvery Proline X Micro Series enclosure is CNC-cut and hand-assembled in Tullahoma, Tennessee on ShopSabre CNC routers. Internal volume, dado joint depth, tab-ear cutout geometry, baffle layer count, and terminal placement are all held to spec on every unit. \u003cspan class=\"ms-langboard\"\u003eLangboard Elite MDF\u003c\/span\u003e throughout: a named, mill-documented board with published density, internal bond, and screw-holding specifications.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":43172437688409,"sku":"M12-S JL","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/jl-audio-10tw3-d4-in-proline-x-micro-series-enclosureenclosed-subwooferproline-x-745238.jpg?v=1774209158"},{"product_id":"proline-x-micro-series-12-sealed-enclosure-fits-resonix-gus-12","title":"Proline X Micro Series 12\" Sealed Enclosure | Built for ResoNix GUS-12","description":"\u003c!-- ============================================================\n     PROLINE X MICRO SERIES: ResoNix GUS-12\n     SEALED 12\" ENCLOSURE ONLY\n     Color system: Green (#16a34a primary)\n     ============================================================ --\u003e\n\u003cstyle\u003e\n  .ms-wrap * { box-sizing: border-box; }\n  .ms-wrap { font-family: inherit; color: #1e293b; line-height: 1.7; max-width: 1200px; margin: 0 auto; }\n\n  .ms-hero {\n    background: linear-gradient(135deg, #0f172a 0%, #14532d 100%);\n    border-radius: 8px;\n    padding: 40px 36px;\n    margin-bottom: 32px;\n    position: relative;\n    overflow: hidden;\n  }\n  .ms-hero::before {\n    content: '';\n    position: absolute;\n    top: -40px; right: -40px;\n    width: 220px; height: 220px;\n    background: rgba(22,163,74,0.12);\n    border-radius: 50%;\n    z-index: 0;\n  }\n  .ms-hero-badges {\n    position: relative;\n    z-index: 1;\n    text-align: center;\n    margin-bottom: 28px;\n  }\n  .ms-hero-middle {\n    position: relative;\n    z-index: 1;\n    display: grid;\n    grid-template-columns: 60% 40%;\n    gap: 32px;\n    align-items: center;\n    margin-bottom: 32px;\n  }\n  .ms-hero-text { }\n  .ms-hero-image {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n  }\n  .ms-hero-image img {\n    max-width: 100%;\n    height: auto;\n    border-radius: 6px;\n    display: block;\n  }\n  @media (max-width: 560px) {\n    .ms-hero-middle { grid-template-columns: 1fr; gap: 24px; }\n  }\n  .ms-hero-badge {\n    display: inline-block;\n    background: transparent;\n    border: 2px solid #16a34a;\n    color: #86efac;\n    font-size: 0.75em;\n    font-weight: 700;\n    letter-spacing: 0.12em;\n    text-transform: uppercase;\n    padding: 4px 14px;\n    border-radius: 20px;\n    margin-right: 8px;\n    vertical-align: middle;\n  }\n  .ms-hero-revision {\n    display: inline-block;\n    background: #16a34a;\n    border: 2px solid #16a34a;\n    color: #ffffff;\n    font-size: 0.75em;\n    font-weight: 700;\n    letter-spacing: 0.12em;\n    text-transform: uppercase;\n    padding: 4px 14px;\n    border-radius: 20px;\n    vertical-align: middle;\n  }\n  .ms-hero h2 { color: #ffffff; font-size: 1.65em; font-weight: 800; margin: 0 0 14px 0; line-height: 1.25; }\n  .ms-hero p { color: #cbd5e1; font-size: 1em; margin: 0 0 0 0; line-height: 1.7; }\n  .ms-hero-stats { display: flex; gap: 28px; flex-wrap: wrap; justify-content: center; position: relative; z-index: 1; }\n  .ms-stat { text-align: center; }\n  .ms-stat-num { display: block; color: #86efac; font-size: 1.5em; font-weight: 800; line-height: 1; }\n  .ms-stat-label { display: block; color: #94a3b8; font-size: 0.72em; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 4px; }\n\n  .ms-section {\n    background: #ffffff;\n    border: 1px solid #e2e8f0;\n    border-top: 4px solid #16a34a;\n    border-radius: 6px;\n    padding: 28px 36px;\n    margin-bottom: 24px;\n  }\n  .ms-section:nth-child(odd) { background: #f8fafc; }\n  .ms-section h3 { color: #14532d; font-size: 1.15em; font-weight: 700; margin: 0 0 14px 0; }\n  .ms-section p { color: #334155; font-size: 0.97em; margin: 0 0 12px 0; }\n  .ms-section p:last-child { margin-bottom: 0; }\n\n  .ms-highlight {\n    background: #f0fdf4;\n    border-left: 5px solid #16a34a;\n    padding: 22px 36px;\n    margin: 28px 0;\n    border-radius: 0 6px 6px 0;\n  }\n  .ms-highlight h3 { color: #14532d; margin: 0 0 10px 0; font-size: 1.1em; font-weight: 700; }\n  .ms-highlight h3 + h3 { margin-top: 18px; }\n  .ms-highlight p { margin-bottom: 10px; color: #1e293b; font-size: 0.97em; }\n  .ms-highlight p:last-child { margin-bottom: 0; }\n\n  .ms-alert {\n    background: #dcfce7;\n    border: 1px solid #16a34a;\n    border-radius: 6px;\n    padding: 16px 36px;\n    margin: 20px 0;\n    font-size: 0.93em;\n    color: #166534;\n  }\n  .ms-alert strong { color: #14532d; }\n\n  .ms-card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 24px 0; }\n  @media (max-width: 600px) { .ms-card-grid { grid-template-columns: 1fr; } }\n  .ms-card {\n    background: #ffffff;\n    border: 1px solid #e2e8f0;\n    border-top: 3px solid #16a34a;\n    border-radius: 6px;\n    padding: 22px;\n  }\n  .ms-card-label {\n    display: inline-block;\n    background: #16a34a;\n    color: #ffffff;\n    font-size: 0.68em;\n    font-weight: 700;\n    letter-spacing: 0.1em;\n    text-transform: uppercase;\n    padding: 3px 10px;\n    border-radius: 3px;\n    margin-bottom: 10px;\n  }\n  .ms-card h4 { color: #14532d; font-size: 1em; font-weight: 700; margin: 0 0 10px 0; }\n  .ms-card-divider { height: 2px; background: #16a34a; width: 32px; margin-bottom: 12px; border-radius: 2px; }\n  .ms-card p { font-size: 0.93em; color: #475569; margin: 0; line-height: 1.65; }\n  .ms-card p strong { color: #14532d; }\n\n  .ms-warranty {\n    background: #0f172a;\n    border-left: 5px solid #16a34a;\n    border-radius: 0 6px 6px 0;\n    padding: 20px 36px;\n    margin: 28px 0;\n    display: flex;\n    align-items: center;\n    gap: 20px;\n  }\n  .ms-warranty-badge { background: #16a34a; color: #ffffff; font-size: 1em; font-weight: 800; padding: 10px 16px; border-radius: 4px; white-space: nowrap; }\n  .ms-warranty p { color: #cbd5e1; font-size: 0.93em; margin: 0; line-height: 1.6; }\n  .ms-warranty strong { color: #ffffff; }\n\n  .ms-fitment { list-style: none; margin: 14px 0 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }\n  @media (max-width: 560px) { .ms-fitment { grid-template-columns: 1fr; } }\n  .ms-fitment li { font-size: 0.93em; color: #334155; padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #16a34a; border-radius: 0 4px 4px 0; }\n\n  .ms-divider { border: none; border-top: 1px solid #e2e8f0; margin: 32px 0; }\n  .ms-langboard { font-weight: 700; color: #14532d; }\n\u003c\/style\u003e\n\u003cdiv class=\"ms-wrap\"\u003e\n\u003c!-- HERO --\u003e\n\u003cdiv class=\"ms-hero\"\u003e\n\u003cdiv class=\"ms-hero-badges\"\u003e\n\u003cspan class=\"ms-hero-badge\"\u003eMicro Series | GUS-12 | Enclosure Only\u003c\/span\u003e\u003cspan class=\"ms-hero-revision\"\u003eDesign Revision 5.20.26\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-hero-middle\"\u003e\n\u003cdiv class=\"ms-hero-text\"\u003e\n\u003ch2\u003eBuilt Exclusively for the ResoNix GUS-12.\u003cbr\u003eThe Most Linear Shallow 12\" Available.\u003c\/h2\u003e\n\u003cp\u003eThe ResoNix GUS-12 has a measured Fs of 14.54 Hz, a Qts of 0.28, and Klippel-verified Xmax of 20.69mm, backed by published LSI data from the same testing program that has measured every major shallow driver on the market. The Proline X Micro Series enclosure delivers exactly 0.80 cubic feet of net sealed airspace (ResoNix's 0.75 cu ft recommendation plus 0.047 cu ft of driver displacement) in a double-layer stack-fab build that is 6.75 inches deep.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-hero-image\"\u003e\u003cimg alt=\"Proline X Micro Series 12-inch sealed enclosure for ResoNix GUS-12\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-micro-series-12-sealed-enclosure-fits-resonix-gus-12subwoofer-enclosuresproline-x-1751548.jpg?v=1775617929\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-hero-stats\"\u003e\n\u003cdiv class=\"ms-stat\"\u003e\n\u003cspan class=\"ms-stat-num\"\u003e0.80\u003c\/span\u003e \u003cspan class=\"ms-stat-label\"\u003eCu Ft Net (Displacement Correct)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-stat\"\u003e\n\u003cspan class=\"ms-stat-num\"\u003e6.75\"\u003c\/span\u003e \u003cspan class=\"ms-stat-label\"\u003eTotal Depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-stat\"\u003e\n\u003cspan class=\"ms-stat-num\"\u003e14.54\u003c\/span\u003e \u003cspan class=\"ms-stat-label\"\u003eDriver Fs (Hz)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-stat\"\u003e\n\u003cspan class=\"ms-stat-num\"\u003e800W\u003c\/span\u003e \u003cspan class=\"ms-stat-label\"\u003eDriver RMS Rating\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ENCLOSURE ONLY NOTICE --\u003e\n\u003cdiv class=\"ms-alert\"\u003e\n\u003cstrong\u003eEnclosure only.\u003c\/strong\u003e The ResoNix GUS-12 subwoofer is not included and must be purchased directly from ResoNix Sound Solutions. This enclosure is designed exclusively for the GUS-12. No other driver shares its cutout geometry or is served by this specific volume target.\u003c\/div\u003e\n\u003c!-- SECTION 1: The Volume Math --\u003e\n\u003cdiv class=\"ms-section\"\u003e\n\u003ch3\u003e0.80 cu ft: How the Volume Was Calculated\u003c\/h3\u003e\n\u003cp\u003eResoNix publishes a recommended sealed enclosure of 0.75 cubic feet for the GUS-12 to achieve 0.707 Qtc. The GUS-12 has a published driver displacement of 0.047 cubic feet. Building a box to a gross internal volume of 0.75 cubic feet and then installing the driver would reduce the net acoustic airspace by 0.047, leaving the driver with only 0.703 cubic feet of effective volume and a Qtc slightly above target.\u003c\/p\u003e\n\u003cp\u003eThe correct approach is to build the gross internal volume at 0.75 + 0.047 = 0.797 cubic feet, so that after driver displacement is subtracted, the driver sees exactly 0.75 cubic feet of net acoustic airspace. The M12-S GUS enclosure is built to a gross volume that delivers \u003cstrong\u003e0.80 cubic feet net\u003c\/strong\u003e after displacement, hitting ResoNix's recommended target accurately rather than approximately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- SECTION 1B: Why the External Dimensions Look Bigger Than They Should --\u003e\n\u003cdiv class=\"ms-section\"\u003e\n\u003ch3\u003e\"If I Do the Math on the External Dimensions, the Volume Looks Too Big\"\u003c\/h3\u003e\n\u003cp\u003eThis is the most common question we get on every GUS enclosure. The math customers run looks like this: external dimensions of 26\" × 14.75\" × 6.75\" subtract 3\/4\" walls on all six sides, leaving an assumed internal cavity of 24.5\" × 13.25\" × 5.25\". That works out to 1,704 cubic inches, or roughly 0.99 cubic feet. The listed net volume is 0.80 cubic feet, a difference of nearly 0.20 cu ft, which looks like the enclosure must be oversized by about 24%.\u003c\/p\u003e\n\u003cp\u003eThat math assumes four things that are not true on a Proline X stack-fab enclosure:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1. The walls are not 3\/4\" on every side.\u003c\/strong\u003e The front baffle is a double-layer stack-fab build at 1.5 inches thick, twice the assumed wall thickness. That alone removes more internal depth than a 3\/4\" calculation accounts for.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. The enclosure is not a perfect rectangle.\u003c\/strong\u003e Viewed from above, all four corners are radiused at 3 inches. This is a deliberate design choice for two reasons: the rounded corners break up the parallel-wall geometry that creates internal standing waves, and they produce a finished shape that fits cleanly against vehicle interior surfaces without sharp corners catching on trim or upholstery. The 3\" radii remove measurable internal volume that an external-minus-walls calculation assumes is open airspace.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. The area directly behind the driver's magnet is precision-milled.\u003c\/strong\u003e This is a deliberate engineering step that serves two purposes. First, it allows us to make fine volume adjustments to hit the target airspace exactly. Second, and more importantly, it increases the open area immediately behind the driver's rear vent. The GUS-12's pole vent is part of the driver's voice coil cooling system. Air flows through the vent during cone movement, carrying heat away from the voice coil former. If the area immediately behind the vent is restricted, backpressure builds against that airflow and voice coil cooling is compromised. Most enclosure manufacturers do not understand this airflow dynamic, and even fewer engineer around it. We do.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. The driver itself displaces 0.047 cubic feet once installed.\u003c\/strong\u003e The basket, motor, and pole structure occupy roughly 81 cubic inches inside the chamber. This is not subtracted from a back-of-napkin external calculation, but it is subtracted from what the driver acoustically loads into.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow we actually calculate volume.\u003c\/strong\u003e Our engineering approach is built on precision, and it is different from how most enclosure manufacturers calculate airspace and different from the math any customer can do from external dimensions. A Proline X stack-fab enclosure is built from individually CNC-cut layers, each with its own machined opening. We calculate the precise internal volume of every layer's opening, then sum those layer-by-layer volumes to arrive at the actual net airspace inside the assembled enclosure. No one else in this industry calculates net volume this way. It is the only method that produces a genuinely accurate account of the airspace a driver sees once the enclosure is built. This is the same level of engineering precision ResoNix applies to the GUS-12 driver itself, and it is why the 0.80 cubic foot figure is exact rather than approximate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- SECTION 2: The Driver --\u003e\n\u003cdiv class=\"ms-section\"\u003e\n\u003ch3\u003eWhy the GUS-12 Is Unlike Every Other Driver in This Series\u003c\/h3\u003e\n\u003cp\u003eThe GUS-12 was engineered by ResoNix Sound Solutions, the same operation that independently Klippel-tests more car audio subwoofers than anyone else publishing data in the enthusiast market. The GUS-12 was built specifically to outperform every driver they had measured on BL linearity, Cms symmetry, inductance stability, and verified Xmax. The data is published and verifiable.\u003c\/p\u003e\n\u003cp\u003eQts of 0.28 is the number that defines this driver's character in an enclosure. At 0.75 cubic feet sealed, the system Qtc targets 0.707, producing flat anechoic response with deep extension. Fs at 14.54 Hz means the driver's natural resonance is below the usable range of virtually any car audio system, which gives the sealed alignment maximum low-frequency extension capability before rolloff begins. The GUS-12 is engineered for accuracy, deep extension, and low distortion at real-world listening levels. The copper shorting rings, titanium voice coil former, and Nomex\/carbon fiber cone are engineering decisions that show up in the distortion measurements, not just the spec sheet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- SECTION 3: Construction --\u003e\n\u003cdiv class=\"ms-section\"\u003e\n\u003ch3\u003e1.5\" Double-Layer Baffle. Stack Fab. Dowel Reinforced.\u003c\/h3\u003e\n\u003cp\u003eAt 800 watts RMS the GUS-12 generates more sustained internal pressure than any other single driver in the Micro Series lineup. The front baffle is a double-layer stack-fab build: two CNC-cut Langboard Elite MDF panels bonded to 1.5 inches total. The stack-fab assembly is further reinforced with dowels throughout, adding between-layer tension reinforcement that locks the panel stack against shear movement under sustained high-power operation.\u003c\/p\u003e\n\u003cp\u003eThe stack-fab construction itself does the joining: every CNC-cut layer interlocks with the layers above and below it, eliminating single-layer butt joints entirely. The 6.75-inch total depth gives each side wall more inherent geometric rigidity than the ultra-shallow Wavtech builds in this series, and the Langboard Elite MDF used throughout has published 200 psi internal bond and 410,000 psi MOE specifications that hold up under sustained high-power use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- WHY CARDS --\u003e\n\u003cdiv class=\"ms-card-grid\"\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eVolume\u003c\/span\u003e\n\u003ch4\u003e0.80 cu ft: ResoNix Recommendation + Driver Displacement\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eResoNix recommends \u003cstrong\u003e0.75 cu ft\u003c\/strong\u003e net for 0.707 Qtc. GUS-12 driver displacement is \u003cstrong\u003e0.047 cu ft\u003c\/strong\u003e. This enclosure is built to 0.75 + 0.047 = 0.797 gross volume, delivering exactly 0.75 cu ft net to the driver after displacement is accounted for.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eDriver\u003c\/span\u003e\n\u003ch4\u003eKlippel-Verified Xmax, Not a Marketing Number\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe GUS-12's \u003cstrong\u003e20.69mm Xmax at BL 70%\u003c\/strong\u003e is a Klippel large-signal measurement, the same methodology used to test every driver on ResoNix's independent testing platform. BL symmetry, Cms linearity, and Le stability are all published. The spec sheet is the measurement, not the marketing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eBaffle\u003c\/span\u003e\n\u003ch4\u003e1.5\" Double-Layer Dowel-Reinforced Stack Fab\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eTwo bonded \u003cstrong\u003eLangboard Elite 3\/4\" MDF\u003c\/strong\u003e layers at 1.5 inches total, further reinforced with \u003cstrong\u003edowels throughout\u003c\/strong\u003e. At 800 watts RMS, baffle resonance and panel flex are structural failure modes. Double-layer construction with dowel reinforcement eliminates both.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eMounting\u003c\/span\u003e\n\u003ch4\u003e8\/32 Threaded Inserts with Machine Screws Included\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe baffle is fitted with \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e on the back face. Stainless machine screws are included. The GUS-12 mounts to steel, not MDF. Consistent clamping force, no stripping risk under sustained high-power use, and clean reinstallation when service is needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eWiring\u003c\/span\u003e\n\u003ch4\u003eProline X Terminal Cup, Pre-Wired with 12g OFC\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eProline X terminal cup\u003c\/strong\u003e is installed and pre-wired with \u003cstrong\u003e12-gauge OFC\u003c\/strong\u003e run internally to the driver location. Connect your amplifier run to the terminal and mount the driver. No internal wiring work required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eCutout\u003c\/span\u003e\n\u003ch4\u003eDirect-Fit, Machined for the GUS-12\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe baffle cutout is machined to the \u003cstrong\u003eGUS-12's mounting diameter\u003c\/strong\u003e. The driver seats flush, seals against the rubber mounting ring gasket the GUS-12 includes, and mounts to the threaded inserts without shimming or modification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eConfiguration\u003c\/span\u003e\n\u003ch4\u003eFront-Firing or Downfiring, Feet Included\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eRubber feet for \u003cstrong\u003edownfiring installation\u003c\/strong\u003e are included. The GUS-12 features a vented rear cone assembly that allows the pole vent to be fully blocked, making downfire in a flush-mounted application structurally and acoustically viable without compromise.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eAcoustic\u003c\/span\u003e\n\u003ch4\u003ePolyfill Pre-Installed\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003ePolyfill is factory-installed. It acoustically dampens internal panel reflections without artificially altering volume. \u003cstrong\u003eFactory installation\u003c\/strong\u003e ensures consistent packing density across every unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eReinforcement\u003c\/span\u003e\n\u003ch4\u003eDowel-Reinforced Stack Fab: Between-Layer Tension Locking\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe stack-fab assembly uses \u003cstrong\u003edowels throughout the construction\u003c\/strong\u003e as between-layer tension reinforcement, locking the panel stack against shear movement independent of adhesive condition. At 800 watts RMS across a sealed enclosure, the lateral forces on panel joints are sustained and significant. Dowels work with the interlocking stack-fab geometry and adhesive bonding to hold the assembly together over years of high-power use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- HIGHLIGHT --\u003e\n\u003cdiv class=\"ms-highlight\"\u003e\n\u003ch3\u003eReady to Mount. Ready to Wire. Ready to Perform.\u003c\/h3\u003e\n\u003cp\u003eThe enclosure ships fully prepped. The \u003cstrong\u003eProline X terminal cup\u003c\/strong\u003e is installed and pre-wired with 12-gauge OFC. Connect your amplifier run and wiring is complete. The double-layer baffle uses \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e with stainless machine screws included. \u003cstrong\u003eRubber feet for downfiring\u003c\/strong\u003e are included. Polyfill is factory-installed.\u003c\/p\u003e\n\u003cp\u003eThe GUS-12's Qts of 0.28 and Fs of 14.54 Hz produce deep extension and low distortion in this 0.75 cubic foot sealed alignment. The copper shorting rings, titanium voice coil former, and Nomex\/carbon fiber cone deliver measurable distortion performance that separates the GUS-12 from every other shallow 12 in its category.\u003c\/p\u003e\n\u003ch3\u003eImpedance Options: D2 and D4\u003c\/h3\u003e\n\u003cp\u003eThe GUS-12 is available as a \u003cstrong\u003eDual 2-ohm\u003c\/strong\u003e and \u003cstrong\u003eDual 4-ohm\u003c\/strong\u003e configuration. Wire the D2 parallel for 1 ohm, series for 4 ohms. Wire the D4 parallel for 2 ohms, series for 8 ohms. Most builds run the D4 at 2 ohms into a quality 2-ohm-stable monoblock. Confirm your amplifier's stable impedance before selecting the voice coil configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- FITMENT --\u003e\n\u003cdiv class=\"ms-section\"\u003e\n\u003ch3\u003eWhere It Fits\u003c\/h3\u003e\n\u003cp\u003eAt 26\" × 14.75\" × 6.75\", this enclosure opens install locations that a conventional 0.75 cu ft sealed 12\" box (typically 10 to 14 inches deep) cannot reach:\u003c\/p\u003e\n\u003cul class=\"ms-fitment\"\u003e\n\u003cli\u003eBehind-seat: full-size crew cab and extended cab trucks\u003c\/li\u003e\n\u003cli\u003eTrunk floor: full-size sedans, wagons, and sport sedans\u003c\/li\u003e\n\u003cli\u003eUnder rear bench: SUVs and full-size vans\u003c\/li\u003e\n\u003cli\u003eCargo floor: crossovers and mid-size SUVs\u003c\/li\u003e\n\u003cli\u003eHatch floor: sports cars and hatchbacks\u003c\/li\u003e\n\u003cli\u003eSQ competition builds where depth is the constraint\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- WARRANTY --\u003e\n\u003cdiv class=\"ms-warranty\"\u003e\n\u003cdiv class=\"ms-warranty-badge\"\u003e2-Year Warranty\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eAll Proline X Micro Series enclosures carry a two-year manufacturer's warranty\u003c\/strong\u003e against defects in materials and workmanship. Built and inspected in our Tullahoma, Tennessee facility before shipment. Contact Audio Intensity directly for warranty support.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr class=\"ms-divider\"\u003e\n\u003cdiv class=\"ms-section\"\u003e\n\u003ch3\u003eMade in Tennessee\u003c\/h3\u003e\n\u003cp\u003eEvery Proline X Micro Series enclosure is CNC-cut and hand-assembled in Tullahoma, Tennessee on ShopSabre CNC routers. Internal volume, cutout geometry, layer-by-layer opening dimensions, baffle layer count, dowel placement, and terminal positioning are all held to spec on every unit. \u003cspan class=\"ms-langboard\"\u003eLangboard Elite MDF\u003c\/span\u003e throughout: named, mill-documented, published density and bond specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":43172475502681,"sku":"M12-S Gus","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-micro-series-12-sealed-enclosure-fits-resonix-gus-12subwoofer-enclosuresproline-x-1751548.jpg?v=1775617929"},{"product_id":"proline-x-micro-series-15-sealed-enclosure-fits-resonix-gus-15","title":"Proline X Micro Series 15\" Sealed Enclosure | Built for ResoNix GUS-15","description":"\u003c!-- ============================================================\n PROLINE X MICRO SERIES — ResoNix GUS-15\n SEALED 15\" ENCLOSURE ONLY\n Color system: Green (#16a34a primary)\n ============================================================ --\u003e\n\u003cstyle\u003e\n .ms-wrap * { box-sizing: border-box; }\n .ms-wrap { font-family: inherit; color: #1e293b; line-height: 1.7; max-width: 1200px; margin: 0 auto; }\n .ms-hero { background: linear-gradient(135deg, #0f172a 0%, #14532d 100%); border-radius: 8px; padding: 40px 36px; margin-bottom: 32px; position: relative; overflow: hidden; }\n .ms-hero::before { content: ''; position: absolute; top: -40px; right: -40px; width: 220px; height: 220px; background: rgba(22,163,74,0.12); border-radius: 50%; }\n .ms-hero-badge { display: inline-block; background: transparent; border: 2px solid #16a34a; color: #86efac; font-size: 0.75em; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; padding: 4px 14px; border-radius: 20px; margin-bottom: 16px; }\n .ms-hero h2 { color: #ffffff; font-size: 1.65em; font-weight: 800; margin: 0 0 14px 0; line-height: 1.25; }\n .ms-hero p { color: #cbd5e1; font-size: 1em; margin: 0 0 24px 0; max-width: 640px; line-height: 1.7; }\n .ms-hero-stats { display: flex; gap: 28px; flex-wrap: wrap; }\n .ms-stat { text-align: center; }\n .ms-stat-num { display: block; color: #86efac; font-size: 1.5em; font-weight: 800; line-height: 1; }\n .ms-stat-label { display: block; color: #94a3b8; font-size: 0.72em; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 4px; }\n .ms-section { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #16a34a; border-radius: 6px; padding: 28px 32px; margin-bottom: 24px; }\n .ms-section:nth-child(odd) { background: #f8fafc; }\n .ms-section h3 { color: #14532d; font-size: 1.15em; font-weight: 700; margin: 0 0 14px 0; }\n .ms-section p { color: #334155; font-size: 0.97em; margin: 0 0 12px 0; }\n .ms-section p:last-child { margin-bottom: 0; }\n .ms-highlight { background: #f0fdf4; border-left: 5px solid #16a34a; padding: 22px 28px; margin: 28px 0; border-radius: 0 6px 6px 0; }\n .ms-highlight h3 { color: #14532d; margin: 0 0 10px 0; font-size: 1.1em; font-weight: 700; }\n .ms-highlight h3 + h3 { margin-top: 18px; }\n .ms-highlight p { margin-bottom: 10px; color: #1e293b; font-size: 0.97em; }\n .ms-highlight p:last-child { margin-bottom: 0; }\n .ms-alert { background: #dcfce7; border: 1px solid #16a34a; border-radius: 6px; padding: 14px 18px; margin: 20px 0; font-size: 0.93em; color: #166534; }\n .ms-alert strong { color: #14532d; }\n .ms-card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 24px 0; }\n @media (max-width: 600px) { .ms-card-grid { grid-template-columns: 1fr; } }\n .ms-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 3px solid #16a34a; border-radius: 6px; padding: 22px; }\n .ms-card-label { display: inline-block; background: #16a34a; color: #ffffff; font-size: 0.68em; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 3px 10px; border-radius: 3px; margin-bottom: 10px; }\n .ms-card h4 { color: #14532d; font-size: 1em; font-weight: 700; margin: 0 0 10px 0; }\n .ms-card-divider { height: 2px; background: #16a34a; width: 32px; margin-bottom: 12px; border-radius: 2px; }\n .ms-card p { font-size: 0.93em; color: #475569; margin: 0; line-height: 1.65; }\n .ms-card p strong { color: #14532d; }\n .ms-warranty { background: #0f172a; border-left: 5px solid #16a34a; border-radius: 0 6px 6px 0; padding: 20px 28px; margin: 28px 0; display: flex; align-items: center; gap: 20px; }\n .ms-warranty-badge { background: #16a34a; color: #ffffff; font-size: 1em; font-weight: 800; padding: 10px 16px; border-radius: 4px; white-space: nowrap; }\n .ms-warranty p { color: #cbd5e1; font-size: 0.93em; margin: 0; line-height: 1.6; }\n .ms-warranty strong { color: #ffffff; }\n .ms-fitment { list-style: none; margin: 14px 0 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }\n @media (max-width: 560px) { .ms-fitment { grid-template-columns: 1fr; } }\n .ms-fitment li { font-size: 0.93em; color: #334155; padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #16a34a; border-radius: 0 4px 4px 0; }\n .ms-divider { border: none; border-top: 1px solid #e2e8f0; margin: 32px 0; }\n .ms-langboard { font-weight: 700; color: #14532d; }\n\u003c\/style\u003e\n\u003cdiv class=\"ms-wrap\"\u003e\n\u003c!-- HERO --\u003e\n\u003cdiv class=\"ms-hero\"\u003e\n\u003cspan class=\"ms-hero-badge\"\u003eMicro Series | GUS-15 | Enclosure Only\u003c\/span\u003e\n\u003ch2\u003eA Shallow 15\" Built Around Real Engineering.\u003cbr\u003e1.42 cu ft. Exactly Right.\u003c\/h2\u003e\n\u003cp\u003eThe ResoNix GUS-15 produces 1,500 watts RMS from 5.93 inches of mounting depth with Klippel-verified Xmax of 25.89mm. ResoNix publishes a 0.707 Qtc target of 1.35 cubic feet. Add the driver's 0.072 cubic foot displacement and the correct gross build volume is 1.422 cu ft. This enclosure delivers 1.42 cubic feet net, the most structurally demanding, highest-power single-driver build in the Proline X Micro Series.\u003c\/p\u003e\n\u003cdiv class=\"ms-hero-stats\"\u003e\n\u003cdiv class=\"ms-stat\"\u003e\n\u003cspan class=\"ms-stat-num\"\u003e1.42\u003c\/span\u003e \u003cspan class=\"ms-stat-label\"\u003eCu Ft Net: Displacement Correct\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-stat\"\u003e\n\u003cspan class=\"ms-stat-num\"\u003e8.25\"\u003c\/span\u003e \u003cspan class=\"ms-stat-label\"\u003eTotal Depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-stat\"\u003e\n\u003cspan class=\"ms-stat-num\"\u003e17.11\u003c\/span\u003e \u003cspan class=\"ms-stat-label\"\u003eDriver Fs (Hz)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-stat\"\u003e\n\u003cspan class=\"ms-stat-num\"\u003e1,500W\u003c\/span\u003e \u003cspan class=\"ms-stat-label\"\u003eDriver RMS Rating\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ENCLOSURE ONLY NOTICE --\u003e\n\u003cdiv class=\"ms-alert\"\u003e\n\u003cstrong\u003eEnclosure only.\u003c\/strong\u003e The ResoNix GUS-15 subwoofer is not included and must be purchased separately from ResoNix Sound Solutions. This enclosure is designed exclusively for the GUS-15, the cutout geometry and volume target are specific to this driver.\u003c\/div\u003e\n\u003c!-- SECTION 1: Volume Math --\u003e\n\u003cdiv class=\"ms-section\"\u003e\n\u003ch3\u003e1.42 cu ft: How the Volume Was Calculated\u003c\/h3\u003e\n\u003cp\u003eResoNix recommends 1.35 cubic feet of net acoustic airspace for the GUS-15 to achieve 0.707 Qtc. The GUS-15 has a published driver displacement of 0.072 cubic feet. Building to a gross volume of 1.35 cubic feet and installing the driver would leave only 1.278 cubic feet net. Noticeably below the recommendation. The correct build target is 1.35 + 0.072 = 1.422 cubic feet gross, so that after driver displacement is subtracted the driver sees exactly 1.35 cubic feet of net acoustic airspace.\u003c\/p\u003e\n\u003cp\u003eThis enclosure delivers \u003cstrong\u003e1.42 cubic feet net\u003c\/strong\u003e after displacement. Matching ResoNix's acoustic volume recommendation accurately. The 1.42 figure is the net acoustic volume the driver sees, not the gross box volume before displacement is accounted for.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- SECTION 2: Driver Context --\u003e\n\u003cdiv class=\"ms-section\"\u003e\n\u003ch3\u003eThe GUS-15 in a Sealed Enclosure: What the Numbers Mean\u003c\/h3\u003e\n\u003cp\u003eThe GUS-15's published T\/S parameters (D4 variant) show Fs at 17.11 Hz and Qts at 0.34. At 1.35 cubic feet sealed, the system Qtc targets 0.707. Flat anechoic response extending well below 20 Hz. The 15\" cone area (Sd of 804.25 cm²) combined with 25.89mm of Klippel-verified one-way Xmax produces a displacement volume that translates directly to output. A 15\" driver at this Xmax in the correct sealed enclosure delivers low-frequency output that no shallow 12\", including the GUS-12, can match at the same power level.\u003c\/p\u003e\n\u003cp\u003eLike the GUS-12, this is an SQ-oriented driver engineered for accuracy and deep extension. The 0.707 Qtc alignment produces a flat anechoic response with the low-frequency reach the driver's motor and suspension are designed to deliver. In a vehicle cabin, boundary gain below 80 Hz reinforces the driver's deep extension in the listening position. The GUS-15 in this enclosure is the most capable shallow-mount bass system available at this depth.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- SECTION 3: Construction --\u003e\n\u003cdiv class=\"ms-section\"\u003e\n\u003ch3\u003e1,500W RMS Demands a Different Level of Construction\u003c\/h3\u003e\n\u003cp\u003eAt 1,500 watts RMS the GUS-15 generates more internal pressure than any other single driver in the Micro Series lineup by a significant margin. The front baffle is a double-layer stack-fab build, two CNC-cut Langboard Elite MDF panels bonded to 1.5 inches total thickness. The stack-fab assembly is further reinforced with dowels throughout the build, adding mechanical alignment and shear resistance at every panel joint beyond what layer adhesion alone provides.\u003c\/p\u003e\n\u003cp\u003eThe 8.25-inch total depth gives panel walls more inherent geometric rigidity than the ultra-shallow builds in this series, but at 1,500 watts the increased excursion load and cone area of a 15\" driver means the structural demands on every panel and joint are correspondingly higher. Langboard Elite MDF at 200 psi internal bond and 410,000 psi MOE is the correct panel spec for this application, not because it is the cheapest option that passes, but because it is the named, documented spec that holds under sustained high-power use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- WHY CARDS --\u003e\n\u003cdiv class=\"ms-card-grid\"\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eVolume\u003c\/span\u003e\n\u003ch4\u003e1.42 cu ft Net: 1.35 Target + 0.072 Displacement\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eResoNix's 0.707 Qtc target is \u003cstrong\u003e1.35 cu ft net\u003c\/strong\u003e. GUS-15 driver displacement is \u003cstrong\u003e0.072 cu ft\u003c\/strong\u003e. This enclosure is built to 1.35 + 0.072 = 1.422 gross volume, delivering exactly 1.35 cu ft net acoustic airspace after the driver is installed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eOutput\u003c\/span\u003e\n\u003ch4\u003eKlippel-Verified 25.89mm Xmax: 15\" Cone Area\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eXmax of \u003cstrong\u003e25.89mm at BL 70%\u003c\/strong\u003e across a \u003cstrong\u003e804.25 cm² effective cone area\u003c\/strong\u003e: the combination that defines real-world output capability. This is measured performance on a Klippel LSI system, not a manufacturer Xmax claim.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eBaffle\u003c\/span\u003e\n\u003ch4\u003e1.5\" Double-Layer: Dowel Reinforced Stack Fab\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eTwo bonded layers of \u003cstrong\u003eLangboard Elite 3\/4\" MDF\u003c\/strong\u003e at 1.5 inches total, further reinforced with \u003cstrong\u003edowels throughout the stack-fab assembly\u003c\/strong\u003e. At 1,500 watts RMS, baffle resonance and panel flex are structural failure modes. This construction eliminates both.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eMounting\u003c\/span\u003e\n\u003ch4\u003e8\/32 Threaded Inserts: Machine Screws Included\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe baffle is fitted with \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e on the back face. Stainless machine screws are included. The GUS-15 mounts to steel, not MDF. Consistent clamping force at all mounting points, no stripping under sustained 1,500-watt operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eWiring\u003c\/span\u003e\n\u003ch4\u003eProline X Terminal Cup: Pre-Wired with 12g OFC\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eProline X terminal cup\u003c\/strong\u003e is installed and pre-wired with \u003cstrong\u003e12-gauge OFC\u003c\/strong\u003e internally. Connect your amplifier run to the terminal and mount the driver. ResoNix recommends 10-gauge speaker wire from terminal to driver at 1Ω loads to maintain damping factor. Factor this into your wiring plan.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eCutout\u003c\/span\u003e\n\u003ch4\u003eDirect-Fit: Machined for the GUS-15\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe baffle cutout is machined to the \u003cstrong\u003eGUS-15's mounting diameter\u003c\/strong\u003e. The driver seals against its included rubber mounting ring gasket and mounts to the threaded inserts, no shimming, trimming, or gasketing tape required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eConfiguration\u003c\/span\u003e\n\u003ch4\u003eFront-Firing or Downfiring: Feet Included\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eRubber feet for \u003cstrong\u003edownfiring installation\u003c\/strong\u003e are included. The GUS-15's vented rear cone assembly allows the pole vent to be fully obstructed without acoustic penalty. Downfire in a tight install is viable. ResoNix notes minimal real-world difference between orientations; choose based on install practicality.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eAcoustic\u003c\/span\u003e\n\u003ch4\u003ePolyfill Pre-Installed\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003ePolyfill is factory-installed. It acoustically dampens internal panel reflections without artificially altering volume. \u003cstrong\u003eFactory installation\u003c\/strong\u003e ensures consistent packing density across every unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ms-card\"\u003e\n\u003cspan class=\"ms-card-label\"\u003eReinforcement\u003c\/span\u003e\n\u003ch4\u003eDowel-Reinforced Stack Fab, 1,500W Structural Standard\u003c\/h4\u003e\n\u003cdiv class=\"ms-card-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eDowels throughout the stack-fab assembly add mechanical alignment and shear resistance at panel joints independent of adhesive condition. At 1,500 watts RMS the lateral and outward forces on panel joints are the highest of any single-driver build in this series. \u003cstrong\u003estack-fab construction + adhesive + dowels\u003c\/strong\u003e: all three systems working together.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- HIGHLIGHT --\u003e\n\u003cdiv class=\"ms-highlight\"\u003e\n\u003ch3\u003eReady to Mount. Ready to Wire. Built for Active Systems.\u003c\/h3\u003e\n\u003cp\u003eThe enclosure ships fully prepped. The \u003cstrong\u003eProline X terminal cup\u003c\/strong\u003e is installed and pre-wired with 12-gauge OFC. Connect your amplifier run and wiring is complete. The double-layer baffle uses \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e with stainless machine screws included. \u003cstrong\u003eRubber feet for downfiring\u003c\/strong\u003e are included. Polyfill is factory-installed. Minimum front clearance for the GUS-15 is 33mm. Confirm this against your install location before mounting.\u003c\/p\u003e\n\u003ch3\u003eImpedance Options: D2 and D4\u003c\/h3\u003e\n\u003cp\u003eThe GUS-15 is available as a \u003cstrong\u003eDual 2-ohm (D2)\u003c\/strong\u003e and \u003cstrong\u003eDual 4-ohm (D4)\u003c\/strong\u003e. D2 T\/S parameters are not yet finalized by ResoNix. D4 data is published and is the basis for this enclosure's volume calculation. Wire the D4 parallel for 2 ohms, series for 8 ohms. Wire the D2 parallel for 1 ohm, series for 4 ohms. At 1 ohm, use an amplifier explicitly rated for sustained 1-ohm operation. At 2 ohms, target a monoblock delivering 1,000–1,500 watts RMS. Do not exceed 1,500 watts RMS. ResoNix is explicit that overpower damage is not covered under warranty.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- FITMENT --\u003e\n\u003cdiv class=\"ms-section\"\u003e\n\u003ch3\u003eWhere It Fits\u003c\/h3\u003e\n\u003cp\u003eAt 28\" × 17.5\" × 8.25\" and roughly 40+ lbs, this is the largest enclosure in the Micro Series. The 8.25\" depth is what makes it viable in locations a conventional 1.35 cu ft sealed 15\" box, typically 14–18\" deep, cannot reach. Measure carefully before ordering:\u003c\/p\u003e\n\u003cul class=\"ms-fitment\"\u003e\n\u003cli\u003eTrunk floor: full-size sedans, sport sedans, wagons\u003c\/li\u003e\n\u003cli\u003eFlat cargo floor: mid-size and full-size SUVs\u003c\/li\u003e\n\u003cli\u003eBehind-seat: full-size crew cab trucks with rear seat removed\u003c\/li\u003e\n\u003cli\u003eUnder rear bench: full-size SUVs and vans\u003c\/li\u003e\n\u003cli\u003eSQ competition builds, where depth is the constraint and output is the goal\u003c\/li\u003e\n\u003cli\u003eHigh-output daily builds: systems targeting maximum extension\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- WARRANTY --\u003e\n\u003cdiv class=\"ms-warranty\"\u003e\n\u003cdiv class=\"ms-warranty-badge\"\u003e2-Year Warranty\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eAll Proline X Micro Series enclosures carry a two-year manufacturer's warranty\u003c\/strong\u003e against defects in materials and workmanship. Built and inspected in our Tullahoma, Tennessee facility before shipment. Contact Audio Intensity directly for warranty support.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr class=\"ms-divider\"\u003e\n\u003cdiv class=\"ms-section\"\u003e\n\u003ch3\u003eMade in Tennessee\u003c\/h3\u003e\n\u003cp\u003eEvery Proline X Micro Series enclosure is CNC-cut and hand-assembled in Tullahoma, Tennessee on ShopSabre CNC routers. Internal volume, cutout geometry, baffle layer count, dowel placement, and terminal positioning are all held to spec on every unit. \u003cspan class=\"ms-langboard\"\u003eLangboard Elite MDF\u003c\/span\u003e throughout: named, mill-documented, published density and bond specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ============================================================\n SPECS TABLE — drop into Specifications metafield\n ============================================================ --\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- ============================================================\n CHEAT SHEET — drop into Quick Specs metafield\n ============================================================ --\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":43172508860505,"sku":"M15-S Gus","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-micro-series-15-sealed-enclosure-fits-resonix-gus-15subwoofer-enclosuresproline-x-8488636.webp?v=1778784609"},{"product_id":"proline-x-micro-series-10-sealed-enclosure-fits-alpine-rsw10","title":"Proline X Micro Series 10\" Sealed Enclosure - Fits Alpine RSW10","description":"\u003c!-- ============================================================\n     PROLINE X MICRO SERIES — ALPINE RS-W10D4\n     SEALED 10\" ENCLOSURE ONLY\n     Color system: Green (#16a34a primary)\n     ============================================================ --\u003e\n\n\u003cstyle\u003e\n  .ms-wrap * { box-sizing: border-box; }\n  .ms-wrap { font-family: inherit; color: #1e293b; line-height: 1.7; max-width: 1200px; margin: 0 auto; }\n  .ms-hero { background: linear-gradient(135deg, #0f172a 0%, #14532d 100%); border-radius: 8px; padding: 40px 36px; margin-bottom: 32px; position: relative; overflow: hidden; }\n  .ms-hero::before { content: ''; position: absolute; top: -40px; right: -40px; width: 220px; height: 220px; background: rgba(22,163,74,0.12); border-radius: 50%; }\n  .ms-hero-badge { display: inline-block; background: transparent; border: 2px solid #16a34a; color: #86efac; font-size: 0.75em; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; padding: 4px 14px; border-radius: 20px; margin-bottom: 16px; }\n  .ms-hero h2 { color: #ffffff; font-size: 1.65em; font-weight: 800; margin: 0 0 14px 0; line-height: 1.25; }\n  .ms-hero p { color: #cbd5e1; font-size: 1em; margin: 0 0 24px 0; max-width: 640px; line-height: 1.7; }\n  .ms-hero-stats { display: flex; gap: 28px; flex-wrap: wrap; }\n  .ms-stat { text-align: center; }\n  .ms-stat-num { display: block; color: #86efac; font-size: 1.5em; font-weight: 800; line-height: 1; }\n  .ms-stat-label { display: block; color: #94a3b8; font-size: 0.72em; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 4px; }\n  .ms-section { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #16a34a; border-radius: 6px; padding: 28px 32px; margin-bottom: 24px; }\n  .ms-section:nth-child(odd) { background: #f8fafc; }\n  .ms-section h3 { color: #14532d; font-size: 1.15em; font-weight: 700; margin: 0 0 14px 0; }\n  .ms-section p { color: #334155; font-size: 0.97em; margin: 0 0 12px 0; }\n  .ms-section p:last-child { margin-bottom: 0; }\n  .ms-highlight { background: #f0fdf4; border-left: 5px solid #16a34a; padding: 22px 28px; margin: 28px 0; border-radius: 0 6px 6px 0; }\n  .ms-highlight h3 { color: #14532d; margin: 0 0 10px 0; font-size: 1.1em; font-weight: 700; }\n  .ms-highlight h3 + h3 { margin-top: 18px; }\n  .ms-highlight p { margin-bottom: 10px; color: #1e293b; font-size: 0.97em; }\n  .ms-highlight p:last-child { margin-bottom: 0; }\n  .ms-alert { background: #dcfce7; border: 1px solid #16a34a; border-radius: 6px; padding: 14px 18px; margin: 20px 0; font-size: 0.93em; color: #166534; }\n  .ms-alert strong { color: #14532d; }\n  .ms-card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 24px 0; }\n  @media (max-width: 600px) { .ms-card-grid { grid-template-columns: 1fr; } }\n  .ms-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 3px solid #16a34a; border-radius: 6px; padding: 22px; }\n  .ms-card-label { display: inline-block; background: #16a34a; color: #ffffff; font-size: 0.68em; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 3px 10px; border-radius: 3px; margin-bottom: 10px; }\n  .ms-card h4 { color: #14532d; font-size: 1em; font-weight: 700; margin: 0 0 10px 0; }\n  .ms-card-divider { height: 2px; background: #16a34a; width: 32px; margin-bottom: 12px; border-radius: 2px; }\n  .ms-card p { font-size: 0.93em; color: #475569; margin: 0; line-height: 1.65; }\n  .ms-card p strong { color: #14532d; }\n  .ms-warranty { background: #0f172a; border-left: 5px solid #16a34a; border-radius: 0 6px 6px 0; padding: 20px 28px; margin: 28px 0; display: flex; align-items: center; gap: 20px; }\n  .ms-warranty-badge { background: #16a34a; color: #ffffff; font-size: 1em; font-weight: 800; padding: 10px 16px; border-radius: 4px; white-space: nowrap; }\n  .ms-warranty p { color: #cbd5e1; font-size: 0.93em; margin: 0; line-height: 1.6; }\n  .ms-warranty strong { color: #ffffff; }\n  .ms-fitment { list-style: none; margin: 14px 0 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }\n  @media (max-width: 560px) { .ms-fitment { grid-template-columns: 1fr; } }\n  .ms-fitment li { font-size: 0.93em; color: #334155; padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #16a34a; border-radius: 0 4px 4px 0; }\n  .ms-divider { border: none; border-top: 1px solid #e2e8f0; margin: 32px 0; }\n  .ms-langboard { font-weight: 700; color: #14532d; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"ms-wrap\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cdiv class=\"ms-hero\"\u003e\n    \u003cspan class=\"ms-hero-badge\"\u003eMicro Series | Alpine RS-W10D4 | Enclosure Only\u003c\/span\u003e\n    \u003ch2\u003eBuilt for the Alpine RS-W10D4.\u003cbr\u003e0.50 cu ft. 5.25\" Deep.\u003c\/h2\u003e\n    \u003cp\u003eThe Alpine RS-W10D4 is a high-Qts shallow-mount driver. 600 watts RMS, 20mm Xmax, and a Qts of 1.19 that makes it forgiving in compact sealed enclosures and naturally impactful in daily-driver applications. The Proline X Micro Series enclosure delivers 0.50 cubic feet of sealed airspace in a double-layer stack-fab build that is 5.25 inches deep, the same shell as the JL 10TW3 build, matched to the Alpine's specific cutout geometry.\u003c\/p\u003e\n    \u003cdiv class=\"ms-hero-stats\"\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e0.50\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eCu Ft Net Volume\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e5.25\"\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eTotal Depth\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e1.19\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eDriver Qts\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e600W\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eDriver RMS Rating\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- ENCLOSURE ONLY NOTICE --\u003e\n  \u003cdiv class=\"ms-alert\"\u003e\n    \u003cstrong\u003eEnclosure only.\u003c\/strong\u003e The Alpine RS-W10D4 subwoofer is not included. This enclosure is designed for customers who already own or are separately purchasing the RS-W10D4.\n  \u003c\/div\u003e\n\n  \u003c!-- SECTION 1: Volume and Qts --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eHigh-Qts Driver, Compact Sealed Box: What That Actually Means\u003c\/h3\u003e\n    \u003cp\u003eThe Alpine RS-W10D4 has a published Qts of 1.19, one of the highest in the Micro Series lineup. A high Qts in a sealed enclosure produces an elevated system Qtc, which means the driver's low-frequency output rises gently before rolling off rather than dropping flat at the box resonance. At 0.50 cubic feet, the RS-W10D4's system Qtc will be well above 1.0, which produces a warm, impactful bass character with good efficiency in the upper bass range.\u003c\/p\u003e\n    \u003cp\u003eAlpine publishes three sealed volume targets for this driver: 0.54 cu ft for a -3dB point at 32 Hz, 0.79 cu ft for -3dB at 30 Hz, and 1.04 cu ft for -3dB at 28 Hz. At 0.50 cubic feet this enclosure falls just below the smallest published target, which shifts the effective extension point slightly upward in exchange for maximum output efficiency in the 50–80 Hz range. For a daily-driver under-seat or behind-seat install, this is the practical tradeoff, a compact box that punches hard where the listener feels it most. If deeper anechoic extension is the priority, the larger published volumes require a box this format cannot deliver.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- SECTION 2: Construction --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eDouble-Layer 1.5\" Baffle, Stack Fab, Dado Joinery, Dowel Reinforced\u003c\/h3\u003e\n    \u003cp\u003eThe front baffle is a double-layer stack-fab build, two CNC-cut Langboard Elite MDF panels bonded to 1.5 inches total thickness. At 600 watts RMS and 20mm Xmax on a 10\" cone, the baffle carries a sustained mechanical load that a single 3\/4\" panel will resonate under over time. Two bonded layers eliminate baffle resonance at the structural level. The stack-fab assembly is further reinforced with dowels throughout, adding mechanical alignment and shear resistance at every panel joint beyond what dado joinery and adhesive alone provide.\u003c\/p\u003e\n    \u003cp\u003eEvery panel joint uses CNC-cut interlocking dado slots, mechanical interlock before adhesive, adhesive seal after. The 5.25-inch total depth is the same shell geometry as the JL 10TW3 enclosure, with the baffle machined to the Alpine's specific cutout diameter rather than the JL's tab-ear geometry.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WHY CARDS --\u003e\n  \u003cdiv class=\"ms-card-grid\"\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eVolume\u003c\/span\u003e\n      \u003ch4\u003e0.50 cu ft: Compact and Output-Efficient\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eAt 0.50 cubic feet, the RS-W10D4's high Qts produces a warm, elevated Qtc that maximizes output efficiency in the upper bass range. Alpine's smallest published sealed target is 0.54 cu ft, this enclosure lands just below, producing a \u003cstrong\u003eslightly elevated Qtc\u003c\/strong\u003e that suits daily-driver impact-focused installs.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eDepth\u003c\/span\u003e\n      \u003ch4\u003e5.25\" Total: 3.25\" Driver Clearance with Margin\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe RS-W10D4 requires \u003cstrong\u003e3.25\" of mounting depth\u003c\/strong\u003e. The enclosure provides sufficient clearance for the driver's rear motor structure at full excursion. At 5.25\" total depth this enclosure fits behind and under seats where conventional 10\" sealed boxes cannot.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eBaffle\u003c\/span\u003e\n      \u003ch4\u003e1.5\" Double-Layer: Dowel Reinforced Stack Fab\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eTwo bonded layers of \u003cstrong\u003eLangboard Elite 3\/4\" MDF\u003c\/strong\u003e at 1.5 inches total, further reinforced with \u003cstrong\u003edowels throughout the stack-fab assembly\u003c\/strong\u003e. At 600 watts RMS, baffle resonance at the panel level adds coloration. Double-layer construction with dowel reinforcement eliminates it.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eMounting\u003c\/span\u003e\n      \u003ch4\u003e8\/32 Threaded Inserts: Machine Screws Included\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe baffle is fitted with \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e on the back face. Stainless machine screws are included. The RS-W10D4 mounts to steel, not MDF. Consistent clamping force, no stripping risk, and clean driver reinstallation when service is needed.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eWiring\u003c\/span\u003e\n      \u003ch4\u003eProline X Terminal Cup: Pre-Wired with 12g OFC\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe \u003cstrong\u003eProline X terminal cup\u003c\/strong\u003e is installed and pre-wired with \u003cstrong\u003e12-gauge OFC\u003c\/strong\u003e run internally to the driver location. Connect your amplifier run to the terminal and mount the driver. No internal wiring work required.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eCutout\u003c\/span\u003e\n      \u003ch4\u003eDirect-Fit Alpine Geometry: Standard Round Flange\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe RS-W10D4 uses a \u003cstrong\u003estandard round mounting flange\u003c\/strong\u003e. The baffle cutout is machined to the Alpine's specific cutout diameter, the driver seats flush, seals against the gasket, and mounts to the threaded inserts without shimming or modification.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eConfiguration\u003c\/span\u003e\n      \u003ch4\u003eFront-Firing or Downfiring: Feet Included\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eRubber feet for \u003cstrong\u003edownfiring installation\u003c\/strong\u003e are included. Run it front-firing in a standard orientation or flip it downward to couple bass output with the vehicle floor. Downfiring is effective in truck cabs and SUVs where floor coupling enhances the perceived bass response.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eAcoustic\u003c\/span\u003e\n      \u003ch4\u003ePolyfill Pre-Installed\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003ePolyfill is packed and installed at the factory. It acoustically increases the effective internal volume, extending low-frequency output without adding external size. \u003cstrong\u003eFactory installation\u003c\/strong\u003e ensures consistent packing density across every unit.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eReinforcement\u003c\/span\u003e\n      \u003ch4\u003eDowel-Reinforced Stack Fab: Mechanical Strength at Every Joint\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eDowels throughout the stack-fab assembly add mechanical alignment and shear resistance at panel joints independent of adhesive condition. Combined with \u003cstrong\u003edado joinery and adhesive\u003c\/strong\u003e, every joint in this enclosure is locked by three independent mechanical systems.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003c!-- HIGHLIGHT --\u003e\n  \u003cdiv class=\"ms-highlight\"\u003e\n    \u003ch3\u003eReady to Mount. Ready to Wire. Ready to Downfire.\u003c\/h3\u003e\n    \u003cp\u003eThe enclosure ships fully prepped. The \u003cstrong\u003eProline X terminal cup\u003c\/strong\u003e is installed and pre-wired with 12-gauge OFC. Connect your amplifier run and wiring is complete. The double-layer baffle uses \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e with stainless machine screws included. \u003cstrong\u003eRubber feet for downfiring\u003c\/strong\u003e are included. Polyfill is already factory-installed.\u003c\/p\u003e\n    \u003ch3\u003eImpedance Options: D4 Wiring\u003c\/h3\u003e\n    \u003cp\u003eThe RS-W10D4 has dual 4-ohm voice coils. Wire the two coils \u003cstrong\u003ein parallel for a 2-ohm load\u003c\/strong\u003e, or \u003cstrong\u003ein series for an 8-ohm load\u003c\/strong\u003e. Most builds run parallel at 2 ohms into a 2-ohm-stable monoblock in the 400–600 watt RMS range. Confirm your amplifier's stable impedance before wiring. The RS-W10D4's high Qts means it will produce audible output even when moderately underpowered. It is a forgiving driver to match.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FITMENT --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eWhere It Fits\u003c\/h3\u003e\n    \u003cp\u003eAt 21.5\" × 14.5\" × 5.25\", this enclosure fits in the same tight installations as the JL 10TW3 version of the same shell. Common placements:\u003c\/p\u003e\n    \u003cul class=\"ms-fitment\"\u003e\n      \u003cli\u003eUnder-seat: extended cab and crew cab trucks\u003c\/li\u003e\n      \u003cli\u003eBehind-seat: full-size truck cabs (front-firing or downfire)\u003c\/li\u003e\n      \u003cli\u003eTrunk corners: compact and mid-size sedans\u003c\/li\u003e\n      \u003cli\u003eSide cargo panels: SUVs and crossovers\u003c\/li\u003e\n      \u003cli\u003eHatch floor: sports cars and hatchbacks\u003c\/li\u003e\n      \u003cli\u003eSpare tire well: select SUV and crossover platforms\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WARRANTY --\u003e\n  \u003cdiv class=\"ms-warranty\"\u003e\n    \u003cdiv class=\"ms-warranty-badge\"\u003e2-Year Warranty\u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eAll Proline X Micro Series enclosures carry a two-year manufacturer's warranty\u003c\/strong\u003e against defects in materials and workmanship. Built and inspected in our Tullahoma, Tennessee facility before shipment. Contact Audio Intensity directly for warranty support.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003chr class=\"ms-divider\"\u003e\n\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eMade in Tennessee\u003c\/h3\u003e\n    \u003cp\u003eEvery Proline X Micro Series enclosure is CNC-cut and hand-assembled in Tullahoma, Tennessee on ShopSabre CNC routers. Internal volume, cutout geometry, dado joint depth, baffle layer count, dowel placement, and terminal positioning are all held to spec on every unit. \u003cspan class=\"ms-langboard\"\u003eLangboard Elite MDF\u003c\/span\u003e throughout: named, mill-documented, published density and bond specifications.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\n\u003c!-- ============================================================\n     SPECS TABLE — drop into Specifications metafield\n     ============================================================ --\u003e\n\u003c!--\n\u003ctable width=\"100%\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eCompatible Driver\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eAlpine RS-W10D4 (Dual 4-Ohm)\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eEnclosure Type\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eSealed\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eInternal Volume (Net)\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e0.50 Cubic Feet\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eLangboard Elite 3\/4\" MDF\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eCNC-Cut Stack Fab \/ Dado Joinery \/ Dowel Reinforced\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eFront Panel Thickness\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e1.5 Inches (Double-Layer Stack Fab)\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eExternal Width\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e21.5 Inches\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eExternal Height\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e14.5 Inches\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eExternal Depth\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e5.25 Inches\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eMax Mounting Depth\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e3.25 Inches\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eWoofer Opening\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eDirect Fit — Alpine RS-W10D4\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eDriver Mounting\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e8\/32 Threaded Inserts — Stainless Machine Screws Included\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eTerminal Cup\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eProline X Terminal Cup — Pre-Wired\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eInternal Wiring\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e12-Gauge OFC (Oxygen-Free Copper)\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003ePolyfill\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003ePre-Installed\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eFiring Direction\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eFront-Firing or Downfiring\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eDownfire Feet\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eIncluded\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003ePlush Black Automotive Carpet\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e2 Years — Proline X \/ Audio Intensity\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eMade In\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eTullahoma, Tennessee, USA\u003c\/td\u003e\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\nNOTE: Weight not confirmed — add before publishing.\n--\u003e\n\n\n\u003c!-- ============================================================\n     CHEAT SHEET — drop into Quick Specs metafield\n     ============================================================ --\u003e\n\u003c!--\n\u003cul class=\"cheat-sheet-list\"\u003e\n  \u003cli\u003e\u003cstrong\u003eBest For:\u003c\/strong\u003e Daily-driver installs — under-seat and behind-seat trucks, tight trunk and cargo builds\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003ePower:\u003c\/strong\u003e Rated for up to 600W RMS (Alpine RS-W10D4)\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eTopology\/Class:\u003c\/strong\u003e Sealed \/ Double-Layer Stack Fab \/ Dowel Reinforced \/ Front-Fire or Downfire\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eSonic Character:\u003c\/strong\u003e Warm, impactful daily-driver bass — high-Qts driver delivers strong upper-bass presence in a 5.25\" compact sealed build\u003c\/li\u003e\n\u003c\/ul\u003e\n--\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":43172667162713,"sku":"M10-S ALP","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-micro-series-10-sealed-enclosure-fits-alpine-rsw10subwoofer-enclosuresproline-x-5431752.jpg?v=1774423520"},{"product_id":"proline-x-micro-series-dual-10-sealed-enclosure-fits-wavtech-thinpro-10","title":"Proline X Micro Series Dual 10\" Sealed Enclosure - Fits Wavtech thinPRO10","description":"\u003c!-- ============================================================\n     PROLINE X MICRO SERIES — DUAL 10\" M10D-S WAV\n     DUAL WAVTECH thinPRO 10 | SEALED | ENCLOSURE ONLY\n     Color system: Green (#16a34a primary)\n     ============================================================ --\u003e\n\n\u003cstyle\u003e\n  .ms-wrap * { box-sizing: border-box; }\n  .ms-wrap { font-family: inherit; color: #1e293b; line-height: 1.7; max-width: 1200px; margin: 0 auto; }\n  .ms-hero { background: linear-gradient(135deg, #0f172a 0%, #14532d 100%); border-radius: 8px; padding: 40px 36px; margin-bottom: 32px; position: relative; overflow: hidden; }\n  .ms-hero::before { content: ''; position: absolute; top: -40px; right: -40px; width: 220px; height: 220px; background: rgba(22,163,74,0.12); border-radius: 50%; }\n  .ms-hero-badge { display: inline-block; background: transparent; border: 2px solid #16a34a; color: #86efac; font-size: 0.75em; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; padding: 4px 14px; border-radius: 20px; margin-bottom: 16px; }\n  .ms-hero h2 { color: #ffffff; font-size: 1.65em; font-weight: 800; margin: 0 0 14px 0; line-height: 1.25; }\n  .ms-hero p { color: #cbd5e1; font-size: 1em; margin: 0 0 24px 0; max-width: 660px; line-height: 1.7; }\n  .ms-hero-stats { display: flex; gap: 28px; flex-wrap: wrap; }\n  .ms-stat { text-align: center; }\n  .ms-stat-num { display: block; color: #86efac; font-size: 1.5em; font-weight: 800; line-height: 1; }\n  .ms-stat-label { display: block; color: #94a3b8; font-size: 0.72em; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 4px; }\n  .ms-section { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #16a34a; border-radius: 6px; padding: 28px 32px; margin-bottom: 24px; }\n  .ms-section:nth-child(odd) { background: #f8fafc; }\n  .ms-section h3 { color: #14532d; font-size: 1.15em; font-weight: 700; margin: 0 0 14px 0; }\n  .ms-section p { color: #334155; font-size: 0.97em; margin: 0 0 12px 0; }\n  .ms-section p:last-child { margin-bottom: 0; }\n  .ms-highlight { background: #f0fdf4; border-left: 5px solid #16a34a; padding: 22px 28px; margin: 28px 0; border-radius: 0 6px 6px 0; }\n  .ms-highlight h3 { color: #14532d; margin: 0 0 10px 0; font-size: 1.1em; font-weight: 700; }\n  .ms-highlight h3 + h3 { margin-top: 18px; }\n  .ms-highlight p { margin-bottom: 10px; color: #1e293b; font-size: 0.97em; }\n  .ms-highlight p:last-child { margin-bottom: 0; }\n  .ms-alert { background: #dcfce7; border: 1px solid #16a34a; border-radius: 6px; padding: 14px 18px; margin: 20px 0; font-size: 0.93em; color: #166534; }\n  .ms-alert strong { color: #14532d; }\n  .ms-wiring { background: #0f172a; border-radius: 6px; padding: 24px 28px; margin: 24px 0; }\n  .ms-wiring h3 { color: #86efac; font-size: 1em; font-weight: 700; margin: 0 0 16px 0; letter-spacing: 0.05em; text-transform: uppercase; }\n  .ms-wiring-row { display: flex; align-items: center; gap: 14px; padding: 10px 0; border-bottom: 1px solid #1e293b; }\n  .ms-wiring-row:last-child { border-bottom: none; padding-bottom: 0; }\n  .ms-wiring-load { background: #16a34a; color: #ffffff; font-size: 1.1em; font-weight: 800; padding: 8px 16px; border-radius: 4px; min-width: 60px; text-align: center; }\n  .ms-wiring-desc { color: #cbd5e1; font-size: 0.93em; line-height: 1.5; }\n  .ms-wiring-desc strong { color: #ffffff; }\n  .ms-card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 24px 0; }\n  @media (max-width: 600px) { .ms-card-grid { grid-template-columns: 1fr; } }\n  .ms-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 3px solid #16a34a; border-radius: 6px; padding: 22px; }\n  .ms-card-label { display: inline-block; background: #16a34a; color: #ffffff; font-size: 0.68em; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 3px 10px; border-radius: 3px; margin-bottom: 10px; }\n  .ms-card h4 { color: #14532d; font-size: 1em; font-weight: 700; margin: 0 0 10px 0; }\n  .ms-card-divider { height: 2px; background: #16a34a; width: 32px; margin-bottom: 12px; border-radius: 2px; }\n  .ms-card p { font-size: 0.93em; color: #475569; margin: 0; line-height: 1.65; }\n  .ms-card p strong { color: #14532d; }\n  .ms-warranty { background: #0f172a; border-left: 5px solid #16a34a; border-radius: 0 6px 6px 0; padding: 20px 28px; margin: 28px 0; display: flex; align-items: center; gap: 20px; }\n  .ms-warranty-badge { background: #16a34a; color: #ffffff; font-size: 1em; font-weight: 800; padding: 10px 16px; border-radius: 4px; white-space: nowrap; }\n  .ms-warranty p { color: #cbd5e1; font-size: 0.93em; margin: 0; line-height: 1.6; }\n  .ms-warranty strong { color: #ffffff; }\n  .ms-fitment { list-style: none; margin: 14px 0 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }\n  @media (max-width: 560px) { .ms-fitment { grid-template-columns: 1fr; } }\n  .ms-fitment li { font-size: 0.93em; color: #334155; padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #16a34a; border-radius: 0 4px 4px 0; }\n  .ms-divider { border: none; border-top: 1px solid #e2e8f0; margin: 32px 0; }\n  .ms-langboard { font-weight: 700; color: #14532d; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"ms-wrap\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cdiv class=\"ms-hero\"\u003e\n    \u003cspan class=\"ms-hero-badge\"\u003eMicro Series | Dual thinPRO 10 | Enclosure Only\u003c\/span\u003e\n    \u003ch2\u003eDual 10\". 4.5 Inches Deep.\u003cbr\u003e0.40 cu ft Per Chamber: Wavtech's Optimum.\u003c\/h2\u003e\n    \u003cp\u003eTwo Wavtech thinPRO 10 drivers. Two isolated sealed chambers. Each chamber holds 0.40 cubic feet of net airspace, which after driver displacement accounts for exactly Wavtech's 0.35 cubic foot sweet spot. The M10D-S WAV delivers dual 10\" output from a 44-inch wide, 4.5-inch deep footprint designed for full-width behind-seat truck installs and wide cargo floor applications where a conventional dual 10\" build would never fit.\u003c\/p\u003e\n    \u003cdiv class=\"ms-hero-stats\"\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e0.80\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eCu Ft Net Total\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e0.40\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eCu Ft Per Chamber\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e4.5\"\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eTotal Depth\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ms-stat\"\u003e\n        \u003cspan class=\"ms-stat-num\"\u003e1,500W\u003c\/span\u003e\n        \u003cspan class=\"ms-stat-label\"\u003eCombined RMS Rating\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- ENCLOSURE ONLY NOTICE --\u003e\n  \u003cdiv class=\"ms-alert\"\u003e\n    \u003cstrong\u003eEnclosure only.\u003c\/strong\u003e Wavtech thinPRO 10 subwoofers are not included and must be purchased separately. This enclosure accepts both the thinPRO10-2 (Single 2Ω) and thinPRO10-4 (Single 4Ω). Final load depends on which variant you choose and how they are wired.\n  \u003c\/div\u003e\n\n  \u003c!-- SECTION 1: Volume --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003e0.40 cu ft Per Chamber, Net After Displacement, Optimum Acoustic Airspace\u003c\/h3\u003e\n    \u003cp\u003eWavtech publishes a sealed sweet spot of 0.35 cubic feet for the thinPRO 10, with an acceptable range of 0.25–0.80 cubic feet. The M10D-S WAV delivers 0.40 cubic feet of net volume per chamber. That figure already accounts for driver displacement. Each thinPRO 10 sees 0.35 cubic feet of net acoustic airspace after its own displacement is subtracted from the 0.40 cubic foot chamber. This puts each driver precisely at Wavtech's published optimum, not approximately near it.\u003c\/p\u003e\n    \u003cp\u003eRunning two drivers in a shared enclosure is not a matter of doubling a single-driver box. Each driver needs its own acoustically isolated chamber to load correctly. The M10D-S WAV uses a dual-chamber construction with a CNC-cut, dado-jointed chamber divider. Neither driver shares airspace with the other. Each chamber independently delivers the correct volume for the thinPRO 10's T\/S parameters.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- SECTION 2: Construction --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eExtra-Wide, Minimal Depth: Stack-Fab Built to Stay Inert at 4.5\"\u003c\/h3\u003e\n    \u003cp\u003eAt 44 inches wide and 4.5 inches deep, the M10D-S WAV is the widest, shallowest enclosure in the Micro Series. The extra-wide format is intentional, it spans the full width of most full-size truck cab floors, placing both drivers at opposite ends of the available space for maximum acoustic separation and even bass distribution across the cabin.\u003c\/p\u003e\n    \u003cp\u003eThe front baffle is a double-layer stack-fab build, two CNC-cut Langboard Elite MDF panels bonded to 1.5 inches total. At 4.5 inches of total depth, panel width is the primary geometric rigidity constraint. Stack-fab layering and dado joinery at every panel joint, with dowels reinforcing the assembly throughout, compensate for what shallow panel depth cannot provide alone. Both drivers mount flush to the baffle face, sealed with their gaskets against the double-layer front panel.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- IMPEDANCE BLOCK --\u003e\n  \u003cdiv class=\"ms-wiring\"\u003e\n    \u003ch3\u003eImpedance Wiring: Know Before You Order\u003c\/h3\u003e\n    \u003cdiv class=\"ms-wiring-row\"\u003e\n      \u003cdiv class=\"ms-wiring-load\"\u003e1Ω\u003c\/div\u003e\n      \u003cdiv class=\"ms-wiring-desc\"\u003e\n\u003cstrong\u003eTwo thinPRO10-2 (Single 2Ω) wired in parallel.\u003c\/strong\u003e Maximum power extraction. Requires an amplifier explicitly rated for sustained 1Ω operation.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"ms-wiring-row\"\u003e\n      \u003cdiv class=\"ms-wiring-load\"\u003e2Ω\u003c\/div\u003e\n      \u003cdiv class=\"ms-wiring-desc\"\u003e\n\u003cstrong\u003eTwo thinPRO10-4 (Single 4Ω) wired in parallel.\u003c\/strong\u003e Broadest amplifier compatibility. Recommended configuration for most builds.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"ms-wiring-row\"\u003e\n      \u003cdiv class=\"ms-wiring-load\"\u003e4Ω\u003c\/div\u003e\n      \u003cdiv class=\"ms-wiring-desc\"\u003e\n\u003cstrong\u003eTwo thinPRO10-2 (Single 2Ω) wired in series.\u003c\/strong\u003e Safest electrical configuration. Requires a monoblock with strong 4Ω output to hit the power ceiling these drivers need.\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WHY CARDS --\u003e\n  \u003cdiv class=\"ms-card-grid\"\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eVolume\u003c\/span\u003e\n      \u003ch4\u003e0.40 cu ft Per Chamber: Displacement Accounted For\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eEach chamber holds \u003cstrong\u003e0.40 cu ft net\u003c\/strong\u003e. After driver displacement, each thinPRO 10 sees \u003cstrong\u003e0.35 cu ft of acoustic airspace\u003c\/strong\u003e: Wavtech's published sweet spot. This is not approximated from external dimensions. It is calculated net volume with displacement already subtracted.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eFormat\u003c\/span\u003e\n      \u003ch4\u003e44\" Wide: Full-Width Truck Cab Fitment\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eAt \u003cstrong\u003e44 inches wide\u003c\/strong\u003e, the M10D-S WAV spans the full floor width of most full-size crew cab and extended cab trucks. Both drivers sit at opposite ends of the available floor space, maximizing acoustic separation and even bass distribution across the cabin.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eBaffle\u003c\/span\u003e\n      \u003ch4\u003e1.5\" Double-Layer: Flush-Mounted Drivers\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eTwo bonded layers of \u003cstrong\u003eLangboard Elite 3\/4\" MDF\u003c\/strong\u003e at 1.5 inches total. Both thinPRO 10 drivers mount \u003cstrong\u003eflush to the baffle face\u003c\/strong\u003e, sealing against their gaskets against the double-layer front panel, no recessed pockets, no fitment gaps.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eChambers\u003c\/span\u003e\n      \u003ch4\u003eDual Chamber: Acoustically Isolated, CNC Divider\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eA CNC-cut, dado-jointed \u003cstrong\u003echamber divider\u003c\/strong\u003e separates the two driver volumes completely. Neither driver shares airspace with the other. Each thinPRO 10 loads into its own sealed 0.40 cu ft chamber independently, correct acoustic alignment on both sides, every time.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eWiring\u003c\/span\u003e\n      \u003ch4\u003eSingle Proline X Terminal Cup: Pre-Wired\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eOne \u003cstrong\u003eProline X ABS\/carbon fiber terminal cup\u003c\/strong\u003e with stainless hardware serves the entire enclosure. Pre-wired internally with \u003cstrong\u003e12-gauge OFC\u003c\/strong\u003e to both driver positions. Connect your single amplifier run to the terminal and both drivers are fed, clean, simple, no splicing required.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eMounting\u003c\/span\u003e\n      \u003ch4\u003e8\/32 Threaded Inserts: Both Baffles\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eBoth baffle positions are fitted with \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e. Stainless machine screws are included for both drivers. Each thinPRO 10 threads into steel, not MDF. Consistent clamping force, no stripping, clean reinstallation at any future service.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eConfiguration\u003c\/span\u003e\n      \u003ch4\u003eFront-Firing or Downfiring: Feet Included\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eRubber feet for \u003cstrong\u003edownfiring installation\u003c\/strong\u003e are included. The extra-wide format lays flat across a truck cab floor in downfire orientation, coupling both drivers' output to the full floor surface. This is the most effective install configuration for this enclosure in a full-size truck cab.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eReinforcement\u003c\/span\u003e\n      \u003ch4\u003eDowel-Reinforced Stack Fab Throughout\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eDowels throughout the stack-fab assembly add mechanical alignment and shear resistance at panel joints beyond what dado joinery and adhesive alone provide. At 1,500 watts RMS combined across two drivers in a 4.5-inch-deep enclosure, \u003cstrong\u003edado + adhesive + dowels\u003c\/strong\u003e, all three systems, is the correct structural standard.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003c!-- HIGHLIGHT --\u003e\n  \u003cdiv class=\"ms-highlight\"\u003e\n    \u003ch3\u003eReady to Mount. Ready to Wire. Ready to Downfire.\u003c\/h3\u003e\n    \u003cp\u003eThe M10D-S WAV ships fully prepped. The \u003cstrong\u003eProline X terminal cup\u003c\/strong\u003e is installed and pre-wired with 12-gauge OFC to both driver positions, one amplifier run, both drivers fed. Both baffles use \u003cstrong\u003e8\/32 threaded inserts\u003c\/strong\u003e with stainless machine screws included. \u003cstrong\u003eRubber feet for downfiring\u003c\/strong\u003e are included. Polyfill is factory-installed in both chambers.\u003c\/p\u003e\n    \u003ch3\u003eSingle Voice Coil: Single Connection Per Driver\u003c\/h3\u003e\n    \u003cp\u003eThe thinPRO 10 is a \u003cstrong\u003esingle voice coil driver\u003c\/strong\u003e: no wiring configuration at the driver level. Select the 2Ω or 4Ω variant at purchase based on your target system impedance. Wire both drivers to the terminal cup in parallel or series to achieve your final amplifier load. See the impedance wiring chart above before selecting your variant.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FITMENT --\u003e\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eWhere It Fits\u003c\/h3\u003e\n    \u003cp\u003eThe M10D-S WAV's 44\" wide, 4.5\" deep format is purpose-built for full-width behind-seat and cargo floor installs. Measure the available width carefully. 44\" is a significant span:\u003c\/p\u003e\n    \u003cul class=\"ms-fitment\"\u003e\n      \u003cli\u003eBehind-seat floor: full-size crew cab trucks (full-width)\u003c\/li\u003e\n      \u003cli\u003eBehind-seat floor: extended cab trucks (full-width)\u003c\/li\u003e\n      \u003cli\u003eFlat cargo floor: full-size SUVs and vans\u003c\/li\u003e\n      \u003cli\u003eTrunk floor: full-size sedans with wide trunk openings\u003c\/li\u003e\n      \u003cli\u003eDownfire on cab floor, maximum floor coupling, both drivers\u003c\/li\u003e\n      \u003cli\u003eStealth under-seat builds: any vehicle with 44\"+ floor width at 4.5\" clearance\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WARRANTY --\u003e\n  \u003cdiv class=\"ms-warranty\"\u003e\n    \u003cdiv class=\"ms-warranty-badge\"\u003e2-Year Warranty\u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eAll Proline X Micro Series enclosures carry a two-year manufacturer's warranty\u003c\/strong\u003e against defects in materials and workmanship. Built and inspected in our Tullahoma, Tennessee facility before shipment. Contact Audio Intensity directly for warranty support.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003chr class=\"ms-divider\"\u003e\n\n  \u003cdiv class=\"ms-section\"\u003e\n    \u003ch3\u003eMade in Tennessee\u003c\/h3\u003e\n    \u003cp\u003eEvery Proline X Micro Series enclosure is CNC-cut and hand-assembled in Tullahoma, Tennessee on ShopSabre CNC routers. Chamber volume, divider placement, cutout geometry, dado joint depth, baffle layer count, dowel placement, and terminal positioning are all held to spec on every unit. \u003cspan class=\"ms-langboard\"\u003eLangboard Elite MDF\u003c\/span\u003e throughout: named, mill-documented, published density and bond specifications.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":43188380270681,"sku":"M10D-S WAV","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-micro-series-dual-10-sealed-enclosure-fits-wavtech-thinpro-10subwoofer-enclosuresproline-x-1688455.jpg?v=1775098521"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/collections\/Sealed_Subwoofer_Boxes.jpg?v=1788045924","url":"https:\/\/audiointensity.com\/collections\/sealed-subwoofer-boxes.oembed?page=4","provider":"Audio Intensity","version":"1.0","type":"link"}