{"title":"New Additions","description":"","products":[{"product_id":"tru-technologies-tungsten-grande-class-ab-monoblock-amplifier","title":"Tru Technologies Tungsten Grande Class AB Monoblock Amplifier","description":"\u003ch2\u003eA Rare Breed: The Full-Range Class AB Monoblock\u003c\/h2\u003e\n\u003cp\u003eThe Tru Technology Tungsten Grande Monoblock is a precision instrument designed for the absolute purist. While the industry has moved toward efficient Class D monoblocks, Tru Technology understands that for the ultimate SQ (Sound Quality) subwoofer or high-output mid-bass application, nothing replaces the tonal depth and \"slam\" of a high-bias Class AB circuit. Built into the same substantial CNC-machined chassis as the TG 2-channel, this monoblock is hand-crafted in La Crescenta, California, specifically for enthusiasts who demand zero compromise in signal integrity and cone control.\u003c\/p\u003e\n\u003ch2\u003eApplication-Specific Engineering: 4-Ohm and 8-Ohm Variants\u003c\/h2\u003e\n\u003cp\u003eIn a departure from \"one size fits all\" amplifiers, the Tungsten Grande Monoblock is offered in two distinct, optimized variants. One is precision-tuned to deliver its full 700W RMS into a 4-ohm load, while the other is specifically engineered for high-impedance 8-ohm drivers. This optimization ensures maximum thermal stability and efficiency for your specific driver selection. Because these units are tuned for a specific impedance, they are not designed to be run below their rated load, ensuring that the amplifier operates within its most linear and musical window at all times.\u003c\/p\u003e\n\u003ch2\u003eThe Experience: Absolute Authority and Control\u003c\/h2\u003e\n\u003cp\u003eThe sonic character of the TG Monoblock is defined by its \"Grip.\" With a massive power supply and high damping factor, it provides a level of low-frequency articulation that makes subwoofers sound more musical and less \"boomy.\" Being a full-range Class AB design, its versatility extends beyond subwoofers; it is an incredible choice for driving high-power mid-bass drivers in a multi-amp active configuration. From the hand-engraved badges to the single-sided connection layout, every inch of this amplifier reflects Audio Intensity's commitment to high-end, American-made audio excellence.\u003c\/p\u003e","brand":"Tru Technology","offers":[{"title":"4 ohm","offer_id":43034358743129,"sku":"TG-RS 1.4","price":1999.99,"currency_code":"USD","in_stock":true},{"title":"8 ohm","offer_id":43034358775897,"sku":"TG-RS 1.8","price":1999.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/tru-technologies-tungsten-grande-class-ab-monoblock-amplifieramplifiertru-technology-2665233.webp?v=1770018906"},{"product_id":"proline-x-micro-series-12-sealed-enclosure-fits-resonix-gus-12","title":"Proline X Micro Series 12\" Sealed Enclosure - Fits 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\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\n\u003cdiv class=\"ms-wrap\"\u003e\n\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\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/Gus_12_Front_with_Woofer.webp?v=1779387601\" alt=\"Proline X Micro Series 12-inch sealed enclosure for ResoNix GUS-12\"\u003e\n      \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\n        \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\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\"\u003e14.54\u003c\/span\u003e\n        \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\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 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.\n  \u003c\/div\u003e\n\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\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\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 not a plug-and-play daily build. It is an SQ and DSP-controlled install driver. The correct amplifier, active crossover, and shelf EQ will extract performance that no other shallow 12\" can match. 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\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\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: ResoNix Recommendation + Driver Displacement\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\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\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\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\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 \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\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\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\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\u003e284.6mm Direct-Fit, Machined for the GUS-12\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe baffle cutout is machined to the \u003cstrong\u003eGUS-12's 284.6mm 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\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 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\n    \u003cdiv class=\"ms-card\"\u003e\n      \u003cspan class=\"ms-card-label\"\u003eAcoustic\u003c\/span\u003e\n      \u003ch4\u003ePolyfill Pre-Installed, DSP Ready\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003ePolyfill is factory-installed in the enclosure. The sealed 12 dB\/octave rolloff combined with the GUS-12's low Qts and Fs makes this system \u003cstrong\u003ehighly responsive to DSP processing\u003c\/strong\u003e: a shelf filter or active EQ can precisely shape the final in-cabin response without fighting a ported tuning peak.\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: Between-Layer Tension Locking\u003c\/h4\u003e\n      \u003cdiv class=\"ms-card-divider\"\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\n  \u003c\/div\u003e\n\n  \u003c!-- HIGHLIGHT --\u003e\n  \u003cdiv class=\"ms-highlight\"\u003e\n    \u003ch3\u003eReady to Mount. Ready to Wire. Built for DSP 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.\u003c\/p\u003e\n    \u003cp\u003eThe GUS-12's Qts of 0.28 and Fs of 14.54 Hz make it the most DSP-dependent driver in this series. A Goldhorn DSP or equivalent active processor with shelf EQ capability will extract the full performance envelope of this driver in-cabin. Running it without active EQ will produce a response that rolls off earlier than any other enclosure in the Micro Series. That is not a defect: it is the acoustic signature of a very-high-motor-force driver in a sealed box, working exactly as designed.\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\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\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, 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\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-enclosure-x-series-fits-kicker-solo-x-10-subwoofer-dual","title":"Proline X Enclosure | X Series | Fits Kicker Solo X 10\" Subwoofer | Dual","description":"\u003cstyle\u003e\n  .xs-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .xs-hero { background: linear-gradient(135deg, #0f172a 0%, #92400e 100%); padding: 60px 40px; text-align: center; color: white; }\n  .xs-hero .xs-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .xs-hero .xs-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .xs-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .xs-badge { background: rgba(245, 158, 11, 0.2); border: 1px solid #f59e0b; color: #fcd34d; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .xs-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .xs-section:nth-child(even) { background: #fffbeb; }\n  .xs-section h2 { color: #92400e; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; 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font-size: 0.95em; color: #78350f; }\n  .xs-warranty { background: #0f172a; border-left: 5px solid #f59e0b; border-radius: 0 6px 6px 0; padding: 20px 28px; margin: 28px 0; display: flex; align-items: center; gap: 20px; }\n  .xs-warranty-badge { background: #f59e0b; color: #0f172a; font-size: 1.1em; font-weight: 800; padding: 10px 18px; border-radius: 4px; white-space: nowrap; }\n  .xs-warranty p { color: #cbd5e1; font-size: 0.95em; margin: 0; line-height: 1.6; }\n  .xs-warranty strong { color: #ffffff; }\n  .xs-variant-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin: 24px 0; }\n  .xs-variant { background: #ffffff; border: 2px solid #e2e8f0; border-radius: 8px; padding: 24px; text-align: center; }\n  .xs-variant.featured { border-color: #f59e0b; }\n  .xs-variant h4 { color: #0f172a; font-size: 1.1em; font-weight: 700; margin: 0 0 8px 0; }\n  .xs-variant .price { font-size: 1.6em; font-weight: 800; color: #92400e; margin: 8px 0; }\n  .xs-variant p { font-size: 0.95em; color: #64748b; margin: 0; }\n  .xs-cta { background: linear-gradient(135deg, #0f172a 0%, #92400e 100%); padding: 60px 40px; text-align: center; color: white; }\n  .xs-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .xs-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  .xs-disclaimer { font-size: 0.85em; opacity: 0.7; font-style: italic; margin-top: 20px; }\n  @media (max-width: 768px) {\n    .xs-hero { padding: 40px 20px; }\n    .xs-hero .xs-title { font-size: 1.8em; }\n    .xs-section { padding: 30px 20px; }\n    .xs-section h2 { font-size: 1.6em; }\n    .xs-grid, .xs-variant-grid { grid-template-columns: 1fr; }\n    .xs-warranty { flex-direction: column; gap: 12px; }\n    .xs-cta { padding: 40px 20px; }\n    .xs-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"xs-wrap\"\u003e\n\u003cdiv class=\"xs-hero\"\u003e\n\u003cp class=\"xs-title\"\u003eProline X X Series | Pro KIK 10D Solo X\u003c\/p\u003e\n\u003cp class=\"xs-subtitle\"\u003eDual 10\" Ported Enclosure | Built for Two Kicker Solo-X L7X Drivers\u003c\/p\u003e\n\u003cdiv class=\"xs-badges\"\u003e\n\u003cspan class=\"xs-badge\"\u003e4.0 ft³ Net\u003c\/span\u003e \u003cspan class=\"xs-badge\"\u003e31 Hz Tuning\u003c\/span\u003e \u003cspan class=\"xs-badge\"\u003eTriple-Layer Baffle\u003c\/span\u003e \u003cspan class=\"xs-badge\"\u003e38\" × 13.75\" × 22.75\"\u003c\/span\u003e \u003cspan class=\"xs-badge\"\u003e61.25 sq in Port\u003c\/span\u003e \u003cspan class=\"xs-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-section\"\u003e\n\u003ch2\u003eTwo Drivers. 31 Hz. Recalculated From the Ground Up.\u003c\/h2\u003e\n\u003cp\u003eThe dual 10\" X Series carries the same 31 Hz tuning as the single 10\" — arrived at independently for the combined Thiele-Small parameters of two Solo-X L7X 10\" drivers in a shared enclosure. Running two L7X 10\" drivers together is not a matter of doubling the single-driver box. Combined displacement, combined excursion load, combined port velocity — every acoustic variable is recalculated. The result is 4.0 cubic feet net internal volume with 61.25 square inches of port area at 31 Hz.\u003c\/p\u003e\n\u003cp\u003eThe 13.75\" height is the defining dimension for this configuration. It matches the single 10\" height exactly — making the dual 10\" the correct step up when the single 10\" does not have enough cone area for your output goals but vertical clearance is still constrained. More output, same height profile, independently engineered to the correct spec for two drivers.\u003c\/p\u003e\n\u003cp\u003eThis is an enclosure-only product. You source the drivers — we handle the box. The square baffle cutouts are machined specifically to the L7X 10\" platform geometry. This enclosure is not cross-compatible with round 10\" drivers.\u003c\/p\u003e\n\u003cdiv class=\"xs-alert\"\u003eAudio Intensity and Proline X are not affiliated with Kicker. This enclosure is engineered to match the published Thiele-Small specifications of the Kicker Solo-X L7X 10\".\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-section\"\u003e\n\u003ch2\u003eWhy the Dual 10\" — And Why This Enclosure\u003c\/h2\u003e\n\u003cp\u003eThe dual 10\" sits at a specific point in the X Series lineup. More combined cone area than two 8\" drivers in a taller package, more low-end extension than a single 12\" tuned higher, and at 13.75\" tall it fits installations where the dual 12\" at greater height is not practical. The 31 Hz tuning is not borrowed from a generic dual-10\" template — it is the calculated correct tuning frequency for two L7X 10\" drivers' combined T\/S parameters in this shared enclosure volume.\u003c\/p\u003e\n\u003cp\u003eAt 61.25 square inches of port area, the port handles the combined displacement of two L7X 10\" drivers at sustained high-power input without compression or chuffing. The 22.75\" depth provides the internal geometry needed to achieve 4.0 ft³ net after accounting for the triple-layer baffle, bracing, and port displacement.\u003c\/p\u003e\n\u003cdiv class=\"xs-grid\"\u003e\n\u003cdiv class=\"xs-card\"\u003e\n\u003ch4\u003e4.0 ft³ — Dual-Driver Specific Volume\u003c\/h4\u003e\n\u003cp\u003eNot 2 × 2.0. The combined T\/S parameters of two L7X 10\" drivers in a shared enclosure produce a different optimal volume than two independent single boxes. 4.0 ft³ net is the correct airspace for two drivers in this shared vented alignment at 31 Hz, calculated after accounting for all internal displacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-card\"\u003e\n\u003ch4\u003e31 Hz — Correct for This Driver, at This Count\u003c\/h4\u003e\n\u003cp\u003eThe same tuning target as the single 10\", arrived at by independent calculation for two drivers. Generic dual-10\" enclosures are typically tuned higher to maximize output numbers. This enclosure is tuned where the L7X 10\"'s T\/S parameters point — lower extension, correct acoustic load, more usable output across the full pass-band.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-card\"\u003e\n\u003ch4\u003e61.25 sq in Port Area\u003c\/h4\u003e\n\u003cp\u003eScaled to the combined displacement of two L7X 10\" drivers at sustained high-power input. At 61.25 square inches, port velocity stays clean at competition power levels — no compression artifacts, no chuffing, clean output at the 31 Hz tuning point where two 10\" motors are working hardest.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-card\"\u003e\n\u003ch4\u003e13.75\" Height — Same Profile as the Single 10\"\u003c\/h4\u003e\n\u003cp\u003eThe dual 10\" matches the single 10\" height exactly. If vertical clearance is the binding constraint in your install and the single 10\" does not deliver enough output, the dual 10\" is the correct next step — same height, more cone area, more output, independently tuned for two drivers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-section\"\u003e\n\u003ch2\u003eConstruction: Scaled for Two Drivers\u003c\/h2\u003e\n\u003cp\u003eThe Pro KIK 10D uses the same construction methodology as every Proline X enclosure — Langboard Elite MDF, V-groove and dado joinery, extensive internal bracing, in-house terminal cups, hand-assembled in Tennessee. Two drivers running together generate twice the pressure load on every panel joint and twice the motor mass cycling against the front baffle. The construction specs reflect that.\u003c\/p\u003e\n\u003ch3\u003eTriple-Layer Mounting Baffle — 2.25\"\u003c\/h3\u003e\n\u003cp\u003eThe dual 10\" runs a triple-layer front baffle at 2.25\" total thickness. Two L7X 10\" motor assemblies cycling against the front panel at high excursion generate more combined force than a dual-layer baffle is designed to handle at competition power levels. The triple-layer construction keeps both drivers seated, both gasket seals intact, and the baffle acoustically inert under sustained high-power dual-driver input.\u003c\/p\u003e\n\u003ch3\u003eLangboard Elite MDF — Named, Verified, Documented\u003c\/h3\u003e\n\u003cp\u003eEvery panel is cut from Langboard Elite MDF — 3\/4\" (18mm) — a named, mill-documented panel stock produced in the United States. At 4.0 ft³ with 61.25 square inches of port area, the panel spans on this enclosure are larger than the smaller dual configurations. Panel consistency sheet to sheet at this enclosure size is a structural requirement, not a preference.\u003c\/p\u003e\n\u003cdiv class=\"xs-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 panel resonance under sustained bass pressure cycling\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal Bond:\u003c\/strong\u003e 200 psi — resistance to delamination; two drivers at high power double the pressure cycling through every panel joint on every bass note\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModulus of Elasticity:\u003c\/strong\u003e 410,000 psi — panel stiffness under load; at 4.0 ft³ the unsupported panel spans require consistent stiffness across every sheet\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFace Screw Holding:\u003c\/strong\u003e 325 lbs — baffle hardware stays locked under the combined vibration load of two L7X 10\" motors at excursion\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEdge Screw Holding:\u003c\/strong\u003e 250 lbs — joint integrity at every panel edge connection throughout the enclosure's service life\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eV-Groove and Dado Joinery\u003c\/h3\u003e\n\u003cp\u003eEvery panel joint uses V-groove and dado joinery — CNC-cut interlocking grooves that mechanically lock panels before adhesive is applied. In a dual-driver ported enclosure tuned to 31 Hz, every joint is under twice the pressure load of a single-driver build on every bass transient. The dado interlock resists shear forces regardless of glue condition over time. A leaking seam is a port you did not design — at this volume and tuning frequency it will show up in the response immediately.\u003c\/p\u003e\n\u003ch3\u003eExtensive Internal Bracing\u003c\/h3\u003e\n\u003cp\u003eThe Pro KIK 10D is braced throughout the internal structure. Two motors cycling at their resonant frequency transmit force through every panel simultaneously on every bass transient. At 4.0 ft³ the panel spans are larger than the dual 8\" configuration — bracing is placed to control resonance across those larger surfaces at the 31 Hz tuning point. The bass comes from the drivers, not the box.\u003c\/p\u003e\n\u003ch3\u003eIn-House Terminal Cups\u003c\/h3\u003e\n\u003cp\u003eBoth terminal cups are built in-house at our Tennessee facility. The recessed ABS\/Carbon Fiber Composite cups feature stainless steel hardware, aluminum landing plates, and copper ring terminals, pre-wired with 12g OFC speaker wire. Copper ring terminals provide a corrosion-resistant connection that does not loosen under vibration over time.\u003c\/p\u003e\n\u003cdiv class=\"xs-grid\"\u003e\n\u003cdiv class=\"xs-card\"\u003e\n\u003ch4\u003eShopSabre CNC Routers\u003c\/h4\u003e\n\u003cp\u003eEvery panel is machine-cut on ShopSabre industrial CNC routers at our Tennessee facility. Both square baffle cutouts are machined to direct-fit the Solo-X L7X 10\" mounting flanges — no adapters, no modification required. Internal volume of every Pro KIK 10D is identical to spec.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-card\"\u003e\n\u003ch4\u003eHand-Assembled in Tennessee\u003c\/h4\u003e\n\u003cp\u003eEvery enclosure is hand-assembled and inspected at our Tennessee facility before it ships. No overseas manufacturing. Each unit is built individually and checked for volume accuracy, joint integrity, and port clearance before leaving the floor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-section\"\u003e\n\u003ch2\u003eFinish \u0026amp; Options\u003c\/h2\u003e\n\u003cp\u003eThe Pro KIK 10D is finished in Plush Black carpet and available in two configurations. Both ship assembled and ready to install. Lead time is 2–4 business days.\u003c\/p\u003e\n\u003cdiv class=\"xs-variant-grid\"\u003e\n\u003cdiv class=\"xs-variant\"\u003e\n\u003ch4\u003eStandard — Carpet Only\u003c\/h4\u003e\n\u003cdiv class=\"price\"\u003e$749.99\u003c\/div\u003e\n\u003cp\u003ePlush Black carpet finish. Recessed ABS\/Carbon Fiber Composite terminal cups. Pre-wired with 12g OFC speaker wire. Shipping included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-variant featured\"\u003e\n\u003ch4\u003eWith Front Acrylic Panel\u003c\/h4\u003e\n\u003cdiv class=\"price\"\u003e$799.99\u003c\/div\u003e\n\u003cp\u003eEverything in Standard plus a laser-etched custom Proline X Hex and Flag acrylic graphics panel on the front baffle. Show-quality finish for dedicated and competition builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-warranty\"\u003e\n\u003cdiv class=\"xs-warranty-badge\"\u003e2-Year Warranty\u003c\/div\u003e\n\u003cp\u003eEvery Proline X X Series enclosure carries a \u003cstrong\u003e2-year warranty\u003c\/strong\u003e covering manufacturing defects in materials and workmanship. Built in Tennessee and backed by Audio Intensity directly — no third-party claims process.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-section\"\u003e\n\u003ch2\u003eFitment \u0026amp; Specifications\u003c\/h2\u003e\n\u003cp\u003eThe Pro KIK 10D is purpose-built for two Kicker Solo-X L7X 10\" drivers in both available impedance configurations. Both square baffle cutouts are machined to the L7X 10\" platform geometry. This enclosure is not cross-compatible with round 10\" drivers. Plan your amplifier selection around your final wiring impedance before ordering.\u003c\/p\u003e\n\u003cdiv class=\"xs-highlight\"\u003e\n\u003ch3\u003eDimensional \u0026amp; Acoustic Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eExternal Dimensions:\u003c\/strong\u003e 38\" W × 13.75\" H × 22.75\" D\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNet Internal Volume:\u003c\/strong\u003e 4.0 ft³\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTuning Frequency:\u003c\/strong\u003e 31 Hz\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePort Area:\u003c\/strong\u003e 61.25 sq in\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFront Baffle Thickness:\u003c\/strong\u003e 2.25\" Triple-Layer\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Power:\u003c\/strong\u003e 1000–2500W RMS per driver\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 80–90 lbs\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWiring Configurations\u003c\/h3\u003e\n\u003cdiv class=\"xs-grid\"\u003e\n\u003cdiv class=\"xs-card\"\u003e\n\u003ch4\u003eTwo Single 2Ω Drivers — Parallel\u003c\/h4\u003e\n\u003cp\u003eWire both drivers in parallel for a 1Ω final load. Requires an amplifier stable at 1Ω. Maximum power transfer from high-current monoblocks rated at 1Ω.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-card\"\u003e\n\u003ch4\u003eTwo Single 4Ω Drivers — Parallel\u003c\/h4\u003e\n\u003cp\u003eWire both drivers in parallel for a 2Ω final load. Most common wiring configuration — compatible with the widest range of monoblock amplifiers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-card\"\u003e\n\u003ch4\u003eTwo Single 2Ω Drivers — Series\u003c\/h4\u003e\n\u003cp\u003eWire both drivers in series for a 4Ω final load. Use when your amplifier is not stable at lower impedances. Output will be lower than parallel configurations at equivalent amplifier power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-card\"\u003e\n\u003ch4\u003eConfirm Before You Order\u003c\/h4\u003e\n\u003cp\u003eSelect driver impedance based on your amplifier's stable output impedance — not peak power rating. Contact us with your amplifier model and wiring plan and we will confirm the correct configuration before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eIdeal Install Applications\u003c\/h3\u003e\n\u003cdiv class=\"xs-grid\"\u003e\n\u003cdiv class=\"xs-card\"\u003e\n\u003ch4\u003eDedicated Trunk Builds — Height-Constrained\u003c\/h4\u003e\n\u003cp\u003eAt 13.75\" tall the Pro KIK 10D fits installations where the dual 12\" at greater height will not clear. It covers the same sedan and midsize trunk applications as the single 10\" with significantly more combined cone area and output potential.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-card\"\u003e\n\u003ch4\u003eMidsize SUV Cargo Builds\u003c\/h4\u003e\n\u003cp\u003eThe 13.75\" height clears most midsize SUV cargo floor-to-ceiling constraints. At 38\" wide verify cargo floor width before ordering — this is wider than the single 10\" and may not clear all midsize platforms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-card\"\u003e\n\u003ch4\u003eHigh-Output Daily Driver\u003c\/h4\u003e\n\u003cp\u003eTwo L7X 10\" drivers at 31 Hz in a correctly tuned shared enclosure produce the kind of combined low-end extension and output that a single larger driver in a higher-tuned box cannot match at equivalent power input.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-card\"\u003e\n\u003ch4\u003eCompetition Builds\u003c\/h4\u003e\n\u003cp\u003eFor competitors working within a height or class constraint, the Pro KIK 10D delivers dual-driver Solo-X 10\" performance from the smallest correctly tuned dual-10\" enclosure these drivers' T\/S parameters allow at this height.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xs-cta\"\u003e\n\u003ch2\u003eTwo Drivers. 31 Hz. Built in Tennessee.\u003c\/h2\u003e\n\u003cp\u003eThe Proline X Pro KIK 10D is not a doubled single-driver box. It is a dual-driver-specific enclosure recalculated from the ground up for two Solo-X L7X 10\" drivers — 4.0 ft³ net, 31 Hz tuning, 61.25 square inches of port area. Langboard Elite MDF. Triple-layer baffle. Extensive internal bracing. V-groove and dado joinery. Hand-assembled and inspected in Tennessee before it ships. Backed by a 2-year warranty.\u003c\/p\u003e\n\u003cp\u003eYou source the drivers. We handle the box. \u003cstrong\u003eStandard $749.99 | With Acrylic Panel $799.99. Shipping included. 2–4 day lead time.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xs-disclaimer\"\u003eAudio Intensity and Proline X are not affiliated with Kicker. This enclosure is engineered to match the published Thiele-Small specifications of the Kicker Solo-X L7X 10\".\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"None - Carpet Only","offer_id":43178306699353,"sku":"Pro KIK 10D SOLO X - None","price":749.99,"currency_code":"USD","in_stock":true},{"title":"Hex and Flag","offer_id":43178306732121,"sku":"Pro KIK 10D SOLO X - Hex","price":799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-enclosure-x-series-fits-kicker-solo-x-8-subwoofer-dualsubwoofer-enclosuresproline-x-5634581.jpg?v=1774535928"},{"product_id":"audiowave-active-250-full-range-monoblock-amplifier","title":"AudioWave Active 250 Full-Range Monoblock Amplifier","description":"\u003cstyle\u003e\n  @import url('https:\/\/fonts.googleapis.com\/css2?family=Cormorant+Garamond:wght@400;600;700\u0026family=Jost:wght@300;400;500;600;700\u0026display=swap');\n\n  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grid-template-columns: 1fr; }\n    .aw-warranty { flex-direction: column; gap: 20px; padding: 32px 24px; }\n    .aw-warranty-badge { min-width: unset; width: fit-content; }\n    .aw-cta { padding: 48px 24px; }\n    .aw-cta h2 { font-size: 1.8em; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"aw-wrap\"\u003e\n\u003c!-- HERO --\u003e\n\u003cdiv class=\"aw-hero\"\u003e\n\u003cp class=\"aw-hero-eyebrow\"\u003eAudio Wave — Active Series\u003c\/p\u003e\n\u003ch2 class=\"aw-hero-title\"\u003eActive 250\u003c\/h2\u003e\n\u003cp class=\"aw-hero-subtitle\"\u003eFull-Range Monoblock Amplifier\u003c\/p\u003e\n\u003cp class=\"aw-hero-origin\"\u003eHandcrafted in England  ·  Exclusively Available at Audio Intensity\u003c\/p\u003e\n\u003cdiv class=\"aw-badges\"\u003e\n\u003cspan class=\"aw-badge\"\u003eReference SQ\u003c\/span\u003e \u003cspan class=\"aw-badge\"\u003eUp to 450W RMS\u003c\/span\u003e \u003cspan class=\"aw-badge\"\u003e8 \/ 4 \/ 2 Ohm Stable\u003c\/span\u003e \u003cspan class=\"aw-badge\"\u003eSNR -124dB\u003c\/span\u003e \u003cspan class=\"aw-badge\"\u003e9.5Hz – 120kHz\u003c\/span\u003e \u003cspan class=\"aw-badge\"\u003e24k Gold Connectors\u003c\/span\u003e \u003cspan class=\"aw-badge\"\u003eBridgeable — Two Units\u003c\/span\u003e \u003cspan class=\"aw-badge\"\u003e3-Year Warranty\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- INTRO --\u003e\n\u003cdiv class=\"aw-section\"\u003e\n\u003ch2\u003eThe Most Serious Small Amplifier Ever Made.\u003c\/h2\u003e\n\u003cdiv class=\"aw-underline\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eAudio Wave Ltd operates out of England with a singular philosophy: build the finest amplifiers in the world, without exception. The Active 250 is the entry point into that philosophy — a \u003ca href=\"https:\/\/audiointensity.com\/collections\/full-range-wideband\" target=\"_blank\" rel=\"noopener\"\u003efull-range\u003c\/a\u003e monoblock measuring just 360mm x 152mm x 80mm, producing up to 450 watts RMS at 2 ohms, and measuring a signal-to-noise ratio of -124dB. At $2,499, it is priced where it is because nothing about it was designed around a cost target.\u003c\/p\u003e\n\u003cp\u003eGrant Hanan, the designer and owner of Audio Wave, spent two years developing the power supply capacitors in the Active 250 because no commercially available component met his specifications. Every power and speaker connector is CNC-milled on-site and plated with 24-karat gold at the Audio Wave facility. The chassis top is plexiglass — not as a gimmick, but as an invitation to look at the internal construction and understand what you're actually buying.\u003c\/p\u003e\n\u003cp\u003eThis is not an amplifier for someone who wants impressive specifications on paper. It is an amplifier for someone who wants to hear the difference those specifications make.\u003c\/p\u003e\n\u003cdiv class=\"aw-stat-row\"\u003e\n\u003cdiv class=\"aw-stat\"\u003e\n\u003cdiv class=\"aw-stat-value\"\u003e450W\u003c\/div\u003e\n\u003cdiv class=\"aw-stat-label\"\u003eRMS @ 2 Ohm \/ 16V\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aw-stat\"\u003e\n\u003cdiv class=\"aw-stat-value\"\u003e-124\u003c\/div\u003e\n\u003cdiv class=\"aw-stat-label\"\u003edB SNR A-Weighted\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aw-stat\"\u003e\n\u003cdiv class=\"aw-stat-value\"\u003e120k\u003c\/div\u003e\n\u003cdiv class=\"aw-stat-label\"\u003eHz Bandwidth\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aw-stat\"\u003e\n\u003cdiv class=\"aw-stat-value\"\u003e24k\u003c\/div\u003e\n\u003cdiv class=\"aw-stat-label\"\u003eGold Connectors\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- CONSTRUCTION --\u003e\n\u003cdiv class=\"aw-section\"\u003e\n\u003ch2\u003eBuilt to a Standard, Not a Price.\u003c\/h2\u003e\n\u003cdiv class=\"aw-underline\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eEvery detail of the Active 250 reflects decisions made for sonic performance — not manufacturing convenience. The result is an amplifier that is as remarkable to examine as it is to listen to.\u003c\/p\u003e\n\u003cdiv class=\"aw-grid\"\u003e\n\u003cdiv class=\"aw-card\"\u003e\n\u003ch4\u003ePlexiglass Window Top\u003c\/h4\u003e\n\u003cp\u003eThe transparent top panel is a statement of confidence. It exists so you can see exactly what you paid for — the precise internal layout, custom component placement, and hand-assembled construction that define every Audio Wave amplifier. Nothing is hidden because nothing needs to be.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aw-card\"\u003e\n\u003ch4\u003eBespoke Power Supply Capacitors\u003c\/h4\u003e\n\u003cp\u003eAfter two years of development, Grant Hanan found that no off-the-shelf capacitor could meet his tolerances for the Active line. Audio Wave manufactures its own — custom-spec'd and built exclusively for their amplifiers. This single component is central to the power stability and transient response that define the Active 250's sound character.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aw-card\"\u003e\n\u003ch4\u003e24k Gold-Plated Connections\u003c\/h4\u003e\n\u003cp\u003eEvery power and speaker connector on the Active 250 is CNC-milled in-house at the Audio Wave facility, then plated with 24-karat gold on-site. The result is a mechanically perfect fit with no oxidation risk and optimal conductivity at every connection point — the kind of detail that matters most over years of use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aw-card\"\u003e\n\u003ch4\u003eFull-Range Monoblock Architecture\u003c\/h4\u003e\n\u003cp\u003eThe Active 250 operates full-range — 9.5Hz to 120kHz — making it equally at home on a high-excursion subwoofer, a set of midrange drivers, or a full-range speaker in a two-channel build. It bridges with a second unit for applications demanding up to 680W RMS at 4 ohms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- PERFORMANCE --\u003e\n\u003cdiv class=\"aw-section\"\u003e\n\u003ch2\u003eThe Measurements Behind the Sound.\u003c\/h2\u003e\n\u003cdiv class=\"aw-underline\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eAudio Wave publishes honest specifications — measured at 0.1% THD, not the inflated figures common to the category. What those numbers represent in practice is an amplifier with remarkable dynamic headroom, vanishingly low noise, and a bandwidth that resolves detail most car audio amplifiers are simply incapable of reproducing.\u003c\/p\u003e\n\u003ch3\u003eSignal-to-Noise Ratio\u003c\/h3\u003e\n\u003cp\u003eThe Active 250 measures -124dB SNR A-weighted at full power output. At 1-watt output — the level at which most music is actually played in a car — the SNR measures -106dB at 8 ohms and -102dB at 4 ohms. The amplifier is effectively silent below the signal. In a well-constructed SQ system, this matters enormously.\u003c\/p\u003e\n\u003ch3\u003eBandwidth\u003c\/h3\u003e\n\u003cp\u003e9.5Hz to 120kHz at -2dB is not a specification that exists to impress on paper. A bandwidth that extends cleanly to 120kHz means the amplifier is not introducing phase shift, compression, or rolloff within any frequency range your system will actually use. The musical information arrives intact.\u003c\/p\u003e\n\u003ch3\u003eDistortion\u003c\/h3\u003e\n\u003cp\u003eTHD+N measures 0.0001% at 1 watt across 8, 4, and 2-ohm loads. IMD measures 0.0043% at 60Hz\/7kHz. These are reference-grade figures that benchmark favorably against dedicated home audio amplification — in a chassis designed for automotive installation.\u003c\/p\u003e\n\u003cdiv class=\"aw-highlight\"\u003e\n\u003ch3\u003eBridged Configuration\u003c\/h3\u003e\n\u003cp\u003eTwo Active 250 units bridged at 16V deliver 400W RMS into 8 ohms and 680W RMS into 4 ohms — at the same 0.1% THD threshold. For high-sensitivity speaker builds or demanding subwoofer applications where a single amplifier is not enough, bridging two Active 250s is the correct path.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- WHO IT'S FOR --\u003e\n\u003cdiv class=\"aw-section\"\u003e\n\u003ch2\u003eWho the Active 250 Is For.\u003c\/h2\u003e\n\u003cdiv class=\"aw-underline\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe Active 250 is not a mass-market amplifier. Audio Wave produces in limited quantities, by hand, to tolerances that a production line cannot maintain. Each unit is built to order and reflects the direct involvement of the designer at every stage of construction.\u003c\/p\u003e\n\u003cp\u003eIt is the right choice for an SQ competitor who needs amplification that does not add anything to the signal. It is the right choice for a music enthusiast building a reference-grade system in a dedicated vehicle and demanding components that belong in that conversation. It is the right choice for an installer building a client's flagship build where every part of the system needs to be the best available at that position in the chain.\u003c\/p\u003e\n\u003cp\u003eAt $2,499, the Active 250 occupies a tier where price is not the primary filter. The question is simply whether your build warrants amplification at this level.\u003c\/p\u003e\n\u003cdiv class=\"aw-grid\"\u003e\n\u003cdiv class=\"aw-card\"\u003e\n\u003ch4\u003eSQ Competition\u003c\/h4\u003e\n\u003cp\u003eThe -124dB SNR, 0.0001% THD+N, and 9.5Hz–120kHz bandwidth are specifications that belong in a competition rulebook. When judges are listening for exactly what the amplifier adds — the Active 250 adds nothing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aw-card\"\u003e\n\u003ch4\u003eReference Home-to-Car Builds\u003c\/h4\u003e\n\u003cp\u003eThe Active 250 bridges the technical gap between the best car audio amplification and dedicated home audio reference equipment. For audiophiles who refuse to compromise that standard in their vehicle, it is the correct starting point.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aw-card\"\u003e\n\u003ch4\u003eFlagship Installer Builds\u003c\/h4\u003e\n\u003cp\u003eFor the professional installer building a client's high-budget system, the Active 250 is an amplifier you can confidently specify knowing it will not be the limiting factor in the system — today or five years from now.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aw-card\"\u003e\n\u003ch4\u003eBridged High-Power Applications\u003c\/h4\u003e\n\u003cp\u003eTwo Active 250 units bridged at 16V produce 680W RMS at 4 ohms with the same distortion and noise floor as a single unit. For demanding subwoofer loads or high-sensitivity full-range builds requiring headroom, this is the correct path.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- WARRANTY --\u003e\n\u003cdiv class=\"aw-section\"\u003e\n\u003ch2\u003eWarranty \u0026amp; Service.\u003c\/h2\u003e\n\u003cdiv class=\"aw-underline\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe Active 250 carries a 3-year warranty — a figure that reflects Audio Wave's confidence in their construction and component selection. Warranty claims in the Active line are exceptionally rare, which is itself a data point about the build quality and the care with which each unit is assembled before it leaves the facility.\u003c\/p\u003e\n\u003cdiv class=\"aw-warranty\"\u003e\n\u003cdiv class=\"aw-warranty-badge\"\u003e3 Year\u003cspan\u003eWarranty\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aw-warranty-text\"\u003e\n\u003ch4\u003eServiced in England by Audio Wave Directly\u003c\/h4\u003e\n\u003cp\u003eIn the unlikely event of a warranty service need, the Active 250 is returned to \u003cstrong\u003eAudio Wave Ltd in the UK\u003c\/strong\u003e for direct service by the team that built it. There are no third-party repair centers, no authorized service networks, and no ambiguity about who touches your amplifier. The unit goes back to the source. Audio Intensity handles all warranty coordination — contact us directly and we will manage the process on your behalf from start to finish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- CTA CLOSE --\u003e\n\u003cdiv class=\"aw-cta\"\u003e\n\u003ch2\u003eThe Active 250. Engineered Without Compromise.\u003c\/h2\u003e\n\u003cdiv class=\"aw-cta-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eUp to 450W RMS. -124dB SNR. 9.5Hz–120kHz. 24k gold connectors. Bespoke power supply capacitors. Plexiglass window chassis. Handcrafted in England. 3-year warranty. Exclusively available in the United States at Audio Intensity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Audio Wave","offers":[{"title":"Default Title","offer_id":43217707171929,"sku":"Active 250","price":2499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/audiowave-active-250-full-range-monoblock-amplifieramplifieraudio-wave-9392966.webp?v=1779355149"},{"product_id":"proline-x-enclosure-x-series-fits-dual-kicker-solo-x-12-subwoofer","title":"Proline X Enclosure | X Series | Fits Dual Kicker Solo X 12\" Subwoofer","description":"\u003cstyle\u003e\n  .xs-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .xs-hero { background: linear-gradient(135deg, #0f172a 0%, #92400e 100%); padding: 60px 40px; text-align: center; color: white; }\n  .xs-hero .xs-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; 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}\n  .xs-freight strong { color: #fcd34d; }\n  .xs-warranty { background: #0f172a; border-left: 5px solid #f59e0b; border-radius: 0 6px 6px 0; padding: 20px 28px; margin: 28px 0; display: flex; align-items: center; gap: 20px; }\n  .xs-warranty-badge { background: #f59e0b; color: #0f172a; font-size: 1.1em; font-weight: 800; padding: 10px 18px; border-radius: 4px; white-space: nowrap; }\n  .xs-warranty p { color: #cbd5e1; font-size: 0.95em; margin: 0; line-height: 1.6; }\n  .xs-warranty strong { color: #ffffff; }\n  .xs-variant-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin: 24px 0; }\n  .xs-variant { background: #ffffff; border: 2px solid #e2e8f0; border-radius: 8px; padding: 24px; text-align: center; }\n  .xs-variant.featured { border-color: #f59e0b; }\n  .xs-variant h4 { color: #0f172a; font-size: 1.1em; font-weight: 700; margin: 0 0 8px 0; }\n  .xs-variant .price { font-size: 1.6em; font-weight: 800; color: #92400e; margin: 8px 0; }\n  .xs-variant p { font-size: 0.95em; color: #64748b; margin: 0; }\n  .xs-cta { background: linear-gradient(135deg, #0f172a 0%, #92400e 100%); padding: 60px 40px; text-align: center; color: white; }\n  .xs-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .xs-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  .xs-disclaimer { font-size: 0.85em; opacity: 0.7; font-style: italic; margin-top: 20px; }\n  @media (max-width: 768px) {\n    .xs-hero { padding: 40px 20px; }\n    .xs-hero .xs-title { font-size: 1.8em; }\n    .xs-section { padding: 30px 20px; }\n    .xs-section h2 { font-size: 1.6em; }\n    .xs-grid, .xs-variant-grid { grid-template-columns: 1fr; }\n    .xs-warranty { flex-direction: column; gap: 12px; }\n    .xs-cta { padding: 40px 20px; }\n    .xs-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"xs-wrap\"\u003e\n\n  \u003cdiv class=\"xs-hero\"\u003e\n    \u003cp class=\"xs-title\"\u003eProline X X Series | Pro KIK 12D X\u003c\/p\u003e\n    \u003cp class=\"xs-subtitle\"\u003eDual 12\" Ported Enclosure | Built for Two Kicker Solo-X L7X Drivers\u003c\/p\u003e\n    \u003cdiv class=\"xs-badges\"\u003e\n      \u003cspan class=\"xs-badge\"\u003e6.0 ft³ Net\u003c\/span\u003e\n      \u003cspan class=\"xs-badge\"\u003e31 Hz Tuning\u003c\/span\u003e\n      \u003cspan class=\"xs-badge\"\u003eTriple-Layer Baffle\u003c\/span\u003e\n      \u003cspan class=\"xs-badge\"\u003e44\" × 16\" × 27.5\"\u003c\/span\u003e\n      \u003cspan class=\"xs-badge\"\u003e91 sq in Port\u003c\/span\u003e\n      \u003cspan class=\"xs-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"xs-section\"\u003e\n    \u003ch2\u003eTwo Solo-X 12\" Drivers. One Correctly Engineered Enclosure.\u003c\/h2\u003e\n    \u003cp\u003eThe dual 12\" X Series is a front-firing, high-output ported enclosure built for two Solo-X L7X 12\" drivers in a shared chamber. Both drivers and the port face forward. Two terminal cups sit on the side panel for clean wiring access. The enclosure loads into the cabin from a trunk or cargo floor position — drivers and port firing toward the rear seat.\u003c\/p\u003e\n    \u003cp\u003eRunning two L7X 12\" drivers together is not a matter of scaling the single 12\" box. Combined displacement, excursion load, and port velocity are recalculated independently for the two-driver shared alignment. The result is 6.0 cubic feet net internal volume tuned to 31 Hz with 91 square inches of port area — every number a consequence of the combined T\/S parameters of two Solo-X L7X 12\" drivers, not a template.\u003c\/p\u003e\n    \u003cp\u003eThis is an enclosure-only product. You source the drivers — we handle the box. The square baffle cutouts are machined specifically to the L7X 12\" platform geometry. This enclosure is not cross-compatible with round 12\" drivers.\u003c\/p\u003e\n    \u003cdiv class=\"xs-alert\"\u003eAudio Intensity and Proline X are not affiliated with Kicker. This enclosure is engineered to match the published Thiele-Small specifications of the Kicker Solo-X L7X 12\".\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"xs-section\"\u003e\n    \u003ch2\u003eWhy This Enclosure for Two Solo-X L7X 12\" Drivers\u003c\/h2\u003e\n    \u003cp\u003eTwo L7X 12\" drivers in a correctly sized and tuned shared enclosure produce output and low-end extension that no single driver in the X Series lineup can match. The key is that both drivers share a common 6.0 ft³ tuned volume — not two isolated chambers, not two single boxes joined together. The combined T\/S parameters of both drivers determine the volume, tuning, and port area. At 31 Hz this enclosure reaches lower than generic dual-12\" alternatives typically tuned at 34–38 Hz, with 91 square inches of port area keeping air velocity clean at the combined input of two competition-class motors at sustained high power.\u003c\/p\u003e\n\n    \u003cdiv class=\"xs-grid\"\u003e\n      \u003cdiv class=\"xs-card\"\u003e\n        \u003ch4\u003e6.0 ft³ — Dual-Driver Specific Volume\u003c\/h4\u003e\n        \u003cp\u003eNot 2 × 3.0. The combined T\/S parameters of two L7X 12\" drivers in a shared enclosure produce a different optimal volume than two independent single boxes. 6.0 ft³ net is the correct airspace for these two drivers operating together in a vented alignment at 31 Hz, calculated after accounting for port displacement, triple-layer baffle, and bracing.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"xs-card\"\u003e\n        \u003ch4\u003e31 Hz — Lower Than Generic, Correct for This Driver\u003c\/h4\u003e\n        \u003cp\u003eThe same tuning target as the single 12\" — arrived at independently for two drivers. Generic dual-12\" enclosures run 4–7 Hz higher. That difference is audible in the 28–35 Hz range where two L7X 12\" motors working together have significant output capability. This enclosure does not leave that extension on the table.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"xs-card\"\u003e\n        \u003ch4\u003e91 sq in Port Area\u003c\/h4\u003e\n        \u003cp\u003eTwo L7X 12\" motors at sustained competition power move significant combined air volume. At 91 square inches the port area keeps velocity clean at the 31 Hz tuning point where both drivers are working hardest — no chuffing, no compression, no port artifacts under sustained dual-driver load.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"xs-card\"\u003e\n        \u003ch4\u003eFront-Firing Configuration\u003c\/h4\u003e\n        \u003cp\u003eBoth drivers and the port fire forward from the front face. The two terminal cups are on the side panel. This is a traditional trunk-forward install orientation — the enclosure sits on the trunk floor or cargo surface with drivers and port loading rearward into the cabin. No special vehicle type required.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"xs-section\"\u003e\n    \u003ch2\u003eConstruction: Built for Two Large-Format Competition Drivers\u003c\/h2\u003e\n    \u003cp\u003eThe Pro KIK 12D uses the same construction methodology as every Proline X enclosure — Langboard Elite MDF, V-groove and dado joinery, extensive internal bracing, in-house terminal cups, hand-assembled in Tennessee. Two L7X 12\" motors generate twice the pressure load and twice the excursion force against the front baffle of the single 12\". The construction specs reflect that.\u003c\/p\u003e\n\n    \u003ch3\u003eTriple-Layer Mounting Baffle — 2.25\"\u003c\/h3\u003e\n    \u003cp\u003eThe dual 12\" runs a triple-layer front baffle at 2.25\" total thickness. Two L7X 12\" motor assemblies — each with triple-stacked ferrite magnets, 3\" voice coils, and dual-spider suspension — cycling against the front panel at high excursion generate more combined force than any dual-layer baffle is designed to handle at competition power levels. Triple-layer construction keeps both drivers seated, both gasket seals intact, and the baffle acoustically inert under sustained high-power dual-driver input.\u003c\/p\u003e\n\n    \u003ch3\u003eLangboard Elite MDF — Named, Verified, Documented\u003c\/h3\u003e\n    \u003cp\u003eEvery panel is cut from Langboard Elite MDF — 3\/4\" (18mm) — a named, mill-documented panel stock produced in the United States. At 6.0 ft³ with 91 square inches of port area, the panel spans on this enclosure are among the largest in the X Series lineup. Published internal bond and modulus of elasticity data is the structural foundation that keeps those larger panels performing correctly under sustained competition power.\u003c\/p\u003e\n\n    \u003cdiv class=\"xs-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 panel resonance under sustained bass pressure cycling\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eInternal Bond:\u003c\/strong\u003e 200 psi — resistance to delamination; two L7X 12\" drivers at competition power generate the highest joint pressure load of any dual-driver configuration in the X Series\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eModulus of Elasticity:\u003c\/strong\u003e 410,000 psi — panel stiffness under load; at 6.0 ft³ the unsupported panel spans require consistent stiffness across every sheet to stay inert at 31 Hz\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eFace Screw Holding:\u003c\/strong\u003e 325 lbs — baffle hardware stays locked under the combined vibration load of two heavy-motor L7X 12\" assemblies at excursion\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eEdge Screw Holding:\u003c\/strong\u003e 250 lbs — joint integrity at every panel edge connection throughout the enclosure's service life\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003ch3\u003eV-Groove and Dado Joinery\u003c\/h3\u003e\n    \u003cp\u003eEvery panel joint uses V-groove and dado joinery — CNC-cut interlocking grooves that mechanically lock panels before adhesive is applied. In a 6.0 ft³ dual-driver ported enclosure tuned to 31 Hz, the internal pressure on every joint under sustained competition power is at the upper end of what any front-firing X Series enclosure generates. The dado interlock resists shear forces regardless of glue condition over time.\u003c\/p\u003e\n\n    \u003ch3\u003eExtensive Internal Bracing\u003c\/h3\u003e\n    \u003cp\u003eThe Pro KIK 12D is braced throughout the internal structure. At 6.0 ft³ the side panels, top, and rear panel all have significant unsupported surface area. Bracing is placed to control resonance across those surfaces at 31 Hz under combined dual-driver load. The bass comes from the drivers, not the box.\u003c\/p\u003e\n\n    \u003ch3\u003eIn-House Terminal Cups\u003c\/h3\u003e\n    \u003cp\u003eBoth terminal cups are built in-house at our Tennessee facility and mounted on the side panel for clean wiring access from either side of the install. The recessed ABS\/Carbon Fiber Composite cups feature stainless steel hardware, aluminum landing plates, and copper ring terminals, pre-wired with 12g OFC speaker wire. At 1000–2000W RMS per driver, run 8 AWG or larger from each terminal cup to the amplifier.\u003c\/p\u003e\n\n    \u003cdiv class=\"xs-grid\"\u003e\n      \u003cdiv class=\"xs-card\"\u003e\n        \u003ch4\u003eShopSabre CNC Routers\u003c\/h4\u003e\n        \u003cp\u003eEvery panel is machine-cut on ShopSabre industrial CNC routers at our Tennessee facility. Both square baffle cutouts are machined to direct-fit the Solo-X L7X 12\" mounting flanges — no adapters, no modification required. The 11-1\/16\" square opening is held to tolerance so both drivers mount cleanly and both gasket seals correctly.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"xs-card\"\u003e\n        \u003ch4\u003eHand-Assembled in Tennessee\u003c\/h4\u003e\n        \u003cp\u003eEvery enclosure is hand-assembled and inspected at our Tennessee facility before it ships. No overseas manufacturing. Each unit is built individually and checked for volume accuracy, joint integrity, and port clearance before leaving the floor.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"xs-section\"\u003e\n    \u003ch2\u003eFinish \u0026amp; Options\u003c\/h2\u003e\n    \u003cp\u003eThe Pro KIK 12D is finished in Plush Black carpet and available in two configurations. Both ship assembled and ready to install. Lead time is 2–4 business days.\u003c\/p\u003e\n    \u003cdiv class=\"xs-variant-grid\"\u003e\n      \u003cdiv class=\"xs-variant\"\u003e\n        \u003ch4\u003eStandard — Carpet Only\u003c\/h4\u003e\n        \u003cdiv class=\"price\"\u003e$1,249.99\u003c\/div\u003e\n        \u003cp\u003ePlush Black carpet finish. Recessed ABS\/Carbon Fiber Composite terminal cups. Pre-wired with 12g OFC speaker wire. Freight shipping included.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"xs-variant featured\"\u003e\n        \u003ch4\u003eWith Front Acrylic Panel\u003c\/h4\u003e\n        \u003cdiv class=\"price\"\u003e$1,299.99\u003c\/div\u003e\n        \u003cp\u003eEverything in Standard plus a laser-etched custom Proline X Hex and Flag High Gloss acrylic graphics panel on the front baffle. Show-quality finish for competition and dedicated builds.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"xs-freight\"\u003e\n      \u003cp\u003e\u003cstrong\u003eFreight Shipping — Included in Price\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp\u003eThe Pro KIK 12D ships via freight carrier to the lower 48 states. Freight is included in the price — no additional shipping charge at checkout. The freight carrier will contact you to schedule a delivery appointment. Someone must be present to receive the shipment. Inspect all packaging before signing and photograph every side before opening. Note any damage on the delivery receipt before signing — do not sign a clean receipt for a visibly damaged shipment.\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eCurbside delivery only. Arrange assistance for moving into your install location before the delivery date.\u003c\/strong\u003e\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"xs-warranty\"\u003e\n      \u003cdiv class=\"xs-warranty-badge\"\u003e2-Year Warranty\u003c\/div\u003e\n      \u003cp\u003eEvery Proline X X Series enclosure carries a \u003cstrong\u003e2-year warranty\u003c\/strong\u003e covering manufacturing defects in materials and workmanship. Built in Tennessee and backed by Audio Intensity directly — no third-party claims process.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"xs-section\"\u003e\n    \u003ch2\u003eFitment \u0026amp; Specifications\u003c\/h2\u003e\n    \u003cp\u003eThe Pro KIK 12D is purpose-built for two Kicker Solo-X L7X 12\" drivers in both available impedance configurations. Both square baffle cutouts are on the front face. The port exits the front face. Terminal cups are on the side panel. At 44\" wide and 27.5\" deep, measure your available install space at both dimensions before ordering — width and depth are both binding constraints at this enclosure size.\u003c\/p\u003e\n\n    \u003cdiv class=\"xs-highlight\"\u003e\n      \u003ch3\u003eDimensional \u0026amp; Acoustic Specifications\u003c\/h3\u003e\n      \u003cp\u003e\u003cstrong\u003eExternal Dimensions:\u003c\/strong\u003e 44\" W × 16\" H × 27.5\" D\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eNet Internal Volume:\u003c\/strong\u003e 6.0 ft³\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eTuning Frequency:\u003c\/strong\u003e 31 Hz\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003ePort Area:\u003c\/strong\u003e 91 sq in\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eDriver Orientation:\u003c\/strong\u003e Front-Firing\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003ePort Orientation:\u003c\/strong\u003e Front-Firing\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eTerminal Cups:\u003c\/strong\u003e Dual — Side Panel\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eFront Baffle Thickness:\u003c\/strong\u003e 2.25\" Triple-Layer\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eRecommended Power:\u003c\/strong\u003e 1000–2000W RMS per driver\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003ch3\u003eWiring Configurations\u003c\/h3\u003e\n    \u003cdiv class=\"xs-grid\"\u003e\n      \u003cdiv class=\"xs-card\"\u003e\n        \u003ch4\u003eTwo Single 2Ω Drivers — Parallel\u003c\/h4\u003e\n        \u003cp\u003eWire both drivers in parallel for a 1Ω final load. Requires an amplifier stable at 1Ω. Maximum power transfer from high-current monoblocks rated at 1Ω.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"xs-card\"\u003e\n        \u003ch4\u003eTwo Single 4Ω Drivers — Parallel\u003c\/h4\u003e\n        \u003cp\u003eWire both drivers in parallel for a 2Ω final load. Most common configuration — compatible with the widest range of high-output monoblock amplifiers.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"xs-card\"\u003e\n        \u003ch4\u003eTwo Single 2Ω Drivers — Series\u003c\/h4\u003e\n        \u003cp\u003eWire both drivers in series for a 4Ω final load. Use when your amplifier is not stable at lower impedances. Output will be lower than parallel configurations at equivalent amplifier power.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"xs-card\"\u003e\n        \u003ch4\u003ePlan Before You Order\u003c\/h4\u003e\n        \u003cp\u003eSelect driver impedance based on your amplifier's stable output impedance. At 1000–2000W RMS per driver, plan your full electrical system before committing to amplifier selection. Contact us with your amplifier model and wiring plan for confirmation.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003ch3\u003eIdeal Install Applications\u003c\/h3\u003e\n    \u003cdiv class=\"xs-grid\"\u003e\n      \u003cdiv class=\"xs-card\"\u003e\n        \u003ch4\u003eFull-Size Trunk Builds\u003c\/h4\u003e\n        \u003cp\u003eAt 44\" wide and 27.5\" deep the Pro KIK 12D requires a full-size trunk. Measure width at the narrowest point of your trunk opening and depth from the rear seat back to the rear of the trunk floor. Both dimensions need to clear before ordering.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"xs-card\"\u003e\n        \u003ch4\u003eSUV Cargo Builds\u003c\/h4\u003e\n        \u003cp\u003eFull-size SUV cargo areas with adequate floor depth accommodate this enclosure in a front-firing orientation. The 16\" height keeps it below the window line in most SUV configurations. Verify cargo floor dimensions before ordering.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"xs-card\"\u003e\n        \u003ch4\u003eDedicated SPL Builds\u003c\/h4\u003e\n        \u003cp\u003eTwo L7X 12\" drivers in a correctly tuned 6.0 ft³ enclosure at 1000–2000W RMS per driver represents the highest front-firing output in the X Series dual-driver lineup. The Pro KIK 12D is built to competition construction standards for builds that will be pushed to the driver's rated limits.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"xs-card\"\u003e\n        \u003ch4\u003eHigh-Output Daily Driver\u003c\/h4\u003e\n        \u003cp\u003eThe 31 Hz tuning delivers low-end extension that higher-tuned generic alternatives cannot access. For daily use at real power levels, two L7X 12\" drivers loaded correctly at 31 Hz produce the kind of output that makes the enclosure investment obvious from the first listen.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"xs-cta\"\u003e\n    \u003ch2\u003eTwo 12\" Drivers. Built to Spec. Built in Tennessee.\u003c\/h2\u003e\n    \u003cp\u003eThe Proline X Pro KIK 12D is not two single boxes joined together. It is a dual-driver-specific enclosure recalculated from the ground up for two Solo-X L7X 12\" drivers — 6.0 ft³ net, 31 Hz tuning, 91 square inches of port area. Langboard Elite MDF. Triple-layer baffle. Extensive internal bracing. V-groove and dado joinery. Hand-assembled and inspected in Tennessee. Freight included. Backed by a 2-year warranty.\u003c\/p\u003e\n    \u003cp\u003eYou source the drivers. We handle the box. \u003cstrong\u003eStandard $1,249.99 | With Acrylic Panel $1,299.99. Freight included. 2–4 day lead time.\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp class=\"xs-disclaimer\"\u003eAudio Intensity and Proline X are not affiliated with Kicker. This enclosure is engineered to match the published Thiele-Small specifications of the Kicker Solo-X L7X 12\".\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Standard - Hex and Flag","offer_id":43278391378009,"sku":"Pro KIK 12D X | Hex","price":1299.99,"currency_code":"USD","in_stock":true},{"title":"None - Carpet Only","offer_id":43278391345241,"sku":"Pro KIK 12D X | None","price":1249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-enclosure-x-series-fits-dual-kicker-solo-x-12-subwoofersubwoofer-enclosuresproline-x-9144715.webp?v=1779355146"},{"product_id":"performance-optimized-sealed-10-enclosure-image-dynamics-idq-10","title":"Performance Optimized Sealed 10\" Enclosure | Image Dynamics IDQ 10","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(6, 182, 212, 0.2); border: 1px solid #06b6d4; color: #67e8f9; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #f0f9ff; }\n  .po-section h2 { color: #0e7490; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #06b6d4; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #06b6d4; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #0e7490; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #f0f9ff; border-left: 4px solid #06b6d4; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized | Image Dynamics IDQ 10\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 10\" Sealed Enclosure | Driver-Specific for the IDQ10 V4\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e1.0 ft³ Net\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eThreaded Inserts\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e20\" × 14\" × 8.5\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe IDQ10 V4 Deserves a Box Built for It\u003c\/h2\u003e\n    \u003cp\u003eThe Image Dynamics IDQ10 V4 is one of the most respected sound quality 10\" subwoofers on the market. A field-replaceable mica-reinforced cone, Nomex spider, 14.5mm linear Xmax, and a 31.77 Hz Fs that loads beautifully into a properly sized sealed cabinet. Drop it in a generic box and you'll get good bass. Drop it in a cabinet engineered around its Thiele-Small parameters and you'll hear what the IDQ was designed to do.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Sealed 10 is that cabinet. Internal volume, baffle thickness, bracing layout, and mounting hardware are all chosen to extract the IDQ10 V4's full mechanical and acoustic potential — not approximated, not averaged across a class of 10s, not adapted from a universal box.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003eThis enclosure is engineered specifically around the published Thiele-Small parameters of the Image Dynamics IDQ10 V4. The 1.0 cu ft net volume and 9.57\" cutout are tuned to the IDQ — not a generic 10\" platform.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWhy Performance Optimized Sits Where It Does\u003c\/h2\u003e\n    \u003cp\u003eThe Performance Optimized line is the bridge between our standard Performance Series and our top-tier Professional Series. Same Performance-tier construction quality — Langboard Elite MDF, V-groove and dado joinery, ShopSabre CNC routing — but the geometry of every panel is cut around one specific driver instead of a class of drivers.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003evs Performance Series\u003c\/h4\u003e\n        \u003cp\u003eStandard Performance Series boxes (P6 through P15) are built for universal driver fitment within a size class. Great if you want flexibility across multiple driver options. Performance Optimized takes the same construction and locks the airspace and hardware to one specific driver.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003evs Professional Series\u003c\/h4\u003e\n        \u003cp\u003eProfessional Series uses extensive multi-layer baffles, triple-stacked construction, and a 2-year warranty for the most demanding builds. Performance Optimized delivers driver-specific engineering at a more accessible price point with a 1-year warranty.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered Around the IDQ10 V4's Parameters\u003c\/h2\u003e\n    \u003cp\u003eImage Dynamics calls for the IDQ10 V4 to live somewhere between 0.6 and 1.1 cubic feet sealed. We landed on 1.0 cu ft net after airspace because that's where the IDQ's Qtc, F3, and transient response settle into the sweet spot most SQ-oriented installers chase. Tight, fast, articulate — without sounding choked or clinical.\u003c\/p\u003e\n    \u003ch3\u003eVolume Selection\u003c\/h3\u003e\n    \u003cp\u003e1.0 cu ft net is the upper end of the IDQ's compact-sealed range. Smaller volumes drive Qtc higher (overdamped, dry), larger volumes pull it lower (underdamped, loose). At 1.0 cu ft, the IDQ produces a Qtc near 0.707 — textbook critical damping, where transient response and low-end extension balance cleanly.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eThe 9.57\" cutout matches the IDQ's flange geometry exactly. The 5.81\" mounting depth specification leaves comfortable internal clearance behind the magnet structure inside the 8.5\" deep cabinet. No interference, no airspace robbed by a deep motor.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec — denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, and a longer service life.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the cabinet fold into shape with maximum glue surface. Dado joints lock the baffle and rear panel into the side walls — no fasteners visible from outside.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the baffle backside accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. Tolerances that manual fabrication can't hold — joints close cleanly, baffle concentricity stays accurate, and internal volume is consistent unit to unit.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003e\u003cstrong\u003eDark Gray Trunkliner\u003c\/strong\u003e is the standard durable wrap, matched to most factory trunk and cargo-area carpet tones. \u003cstrong\u003ePlush Black\u003c\/strong\u003e (+$10) is a deeper, more luxurious nap that pairs well with blacked-out interiors and show builds.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eChoose \u003cstrong\u003eBlack, Blue, Red, or White\u003c\/strong\u003e for the baffle insert to match your build. Or skip the insert entirely (-$40) for a clean, understated look. The insert is purely cosmetic — performance is identical across colors.\u003c\/p\u003e\n    \u003ch3\u003eBox-Only or Loaded\u003c\/h3\u003e\n    \u003cp\u003eAdd a \u003cstrong\u003eDual 2-ohm\u003c\/strong\u003e or \u003cstrong\u003eDual 4-ohm\u003c\/strong\u003e IDQ10 V4 directly to your order and we'll ship the complete loaded system, ready to wire to your amplifier. Already own your IDQ? Order the enclosure box-only and drop in the driver you have.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped — a 2 to 5 business day assembly window before the box ships. No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e — we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eStop Compromising Your IDQ\u003c\/h2\u003e\n    \u003cp\u003eDriver-specific engineering, Performance Series construction, and the option to bundle the IDQ10 V4 driver in one order. Build the box that was designed for the sub you've already chosen.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Plush Black \/ Black \/ Box Only","offer_id":43278722498649,"sku":"PO ID 10-S IDQ BB none","price":249.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Black \/ Add a Dual 2ohm IDQ 10\"","offer_id":43278704771161,"sku":"PO ID 10-S IDQ BB 2ohm","price":489.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Black \/ Add a Dual 4ohm IDQ 10\"","offer_id":43278722465881,"sku":"PO ID 10-S IDQ BB 4ohm","price":489.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Blue \/ Box Only","offer_id":43278722564185,"sku":"PO ID 10-S IDQ BBL none","price":249.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Blue \/ Add a Dual 2ohm IDQ 10\"","offer_id":43278710341721,"sku":"PO ID 10-S IDQ BBL 2ohm","price":489.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Blue \/ Add a Dual 4ohm IDQ 10\"","offer_id":43278722531417,"sku":"PO ID 10-S IDQ BBL 4ohm","price":489.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Red \/ Box Only","offer_id":43278722629721,"sku":"PO ID 10-S IDQ BR none","price":249.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Red \/ Add a Dual 2ohm IDQ 10\"","offer_id":43278710374489,"sku":"PO ID 10-S IDQ BR 2ohm","price":489.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Red \/ Add a Dual 4ohm IDQ 10\"","offer_id":43278722596953,"sku":"PO ID 10-S IDQ BR 4ohm","price":489.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ White \/ Box Only","offer_id":43278722728025,"sku":"PO ID 10-S IDQ  BW none","price":249.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ White \/ Add a Dual 2ohm IDQ 10\"","offer_id":43278722662489,"sku":"PO ID 10-S IDQ BW 2ohm","price":489.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ White \/ Add a Dual 4ohm IDQ 10\"","offer_id":43278722695257,"sku":"PO ID 10-S IDQ BW 4ohm","price":489.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ None \/ Box Only","offer_id":43278722793561,"sku":"PO ID 10-S IDQ B none","price":209.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ None \/ Add a Dual 2ohm IDQ 10\"","offer_id":43278710407257,"sku":"PO ID 10-S IDQ B 2ohm","price":459.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ None \/ Add a Dual 4ohm IDQ 10\"","offer_id":43278722760793,"sku":"PO ID 10-S IDQ B 4ohm","price":459.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Black \/ Box Only","offer_id":43278722138201,"sku":"PO ID 10-S IDQ GB None","price":239.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Black \/ Add a Dual 2ohm IDQ 10\"","offer_id":43278704738393,"sku":"PO ID 10-S IDQ GB 2ohm","price":479.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Black \/ Add a Dual 4ohm IDQ 10\"","offer_id":43278722105433,"sku":"PO ID 10-S IDQ GB 4ohm","price":479.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Blue \/ Box Only","offer_id":43278722203737,"sku":"PO ID 10-S IDQ GBL None","price":239.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Blue \/ Add a Dual 2ohm IDQ 10\"","offer_id":43278710243417,"sku":"PO ID 10-S IDQ GBL 2ohm","price":479.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Blue \/ Add a Dual 4ohm IDQ 10\"","offer_id":43278722170969,"sku":"PO ID 10-S IDQ GBL 4ohm","price":479.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Red \/ Box Only","offer_id":43278722269273,"sku":"PO ID 10-S IDQ GR None","price":239.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Red \/ Add a Dual 2ohm IDQ 10\"","offer_id":43278710276185,"sku":"PO ID 10-S IDQ GR 2ohm","price":479.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Red \/ Add a Dual 4ohm IDQ 10\"","offer_id":43278722236505,"sku":"PO ID 10-S IDQ GR 4ohm","price":479.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ White \/ Box Only","offer_id":43278722367577,"sku":"PO ID 10-S IDQ GW None","price":239.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ White \/ Add a Dual 2ohm IDQ 10\"","offer_id":43278722302041,"sku":"PO ID 10-S IDQ GW 2ohm","price":479.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ White \/ Add a Dual 4ohm IDQ 10\"","offer_id":43278722334809,"sku":"PO ID 10-S IDQ GW 4ohm","price":479.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ None \/ Box Only","offer_id":43278722433113,"sku":"PO ID 10-S IDQ G None","price":199.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ None \/ Add a Dual 2ohm IDQ 10\"","offer_id":43278710308953,"sku":"PO ID 10-S IDQ G 2ohm","price":439.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ None \/ Add a Dual 4ohm IDQ 10\"","offer_id":43278722400345,"sku":"PO ID 10-S IDQ G 4ohm","price":439.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/performance-optimized-sealed-10-enclosure-image-dynamics-idq-10subwoofer-enclosuresproline-x-2511067.webp?v=1779355148"},{"product_id":"performance-optimized-dual-sealed-10-enclosure-image-dynamics-idq-10","title":"Performance Optimized Dual Sealed 10\" Enclosure | Image Dynamics IDQ 10","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(6, 182, 212, 0.2); border: 1px solid #06b6d4; color: #67e8f9; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #f0f9ff; }\n  .po-section h2 { color: #0e7490; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #06b6d4; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  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(max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized | Dual Image Dynamics IDQ 10\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eDual 10\" Sealed Enclosure | Driver-Specific for the IDQ10 V4\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e2.0 ft³ Net\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eCommon Chamber\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e28\" × 14\" × 12.5\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTwo IDQ10 V4s in One Engineered Cabinet\u003c\/h2\u003e\n    \u003cp\u003eThe Dual Sealed 10 is a 2.0 cu ft common-chamber sealed enclosure engineered around two Image Dynamics IDQ10 V4 subwoofers. Total internal airspace, baffle geometry, and bracing layout are all tuned to the IDQ — same driver-specific approach as the single, scaled to a properly loaded pair.\u003c\/p\u003e\n    \u003cp\u003eIf one IDQ10 V4 is good (and it is), two of them in a properly sized cabinet doesn't just double the output — it transforms the system. More cone area, more thermal headroom, smoother midbass loading, and a noticeably more relaxed presentation at the same SPL. The Dual Sealed 10 is the box that makes that happen without giving up the SQ characteristics that made you pick the IDQ in the first place.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e2.0 cubic feet of net internal volume, sized specifically for a pair of IDQ10 V4 drivers operating in a shared sealed environment. The same driver-specific engineering applied to the single, scaled correctly for two.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWhy More Cone Area Sounds Better, Not Just Louder\u003c\/h2\u003e\n    \u003cp\u003eDoubling the driver count isn't about hitting bigger numbers on a meter — it's about each driver doing less work to produce the same output. Two 10s playing at moderate excursion will always sound cleaner than a single 10 working hard to hit the same SPL. Lower distortion, lower thermal compression, and a presentation that sounds easier on the ears even at high listening levels.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTwice the Cone Area\u003c\/h4\u003e\n        \u003cp\u003eTwo IDQ10 V4s deliver roughly 2x the radiating area of a single 10. That extra surface area means each driver moves less to produce the same SPL, which translates directly to lower mechanical and thermal stress on each woofer.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eThermal Headroom\u003c\/h4\u003e\n        \u003cp\u003ePower split across two voice coils generates less heat per driver than the same total power into a single coil. Less heat means less thermal compression, which means consistent output across long listening sessions instead of the system getting quieter as it warms up.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eEffortless Midbass\u003c\/h4\u003e\n        \u003cp\u003eThe IDQ's strength is its tonal accuracy through the midbass region. Two of them sharing the workload pushes that strength further — kick drums, bass guitar fundamentals, and vocal warmth all sit cleaner in the mix because neither driver is straining.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSound Quality at Volume\u003c\/h4\u003e\n        \u003cp\u003eThe biggest practical difference between one IDQ and two: you can listen at higher volumes without the system starting to sound stressed. At any given SPL, the pair is operating well below either driver's mechanical or thermal limits.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered Around the IDQ10 V4's Parameters\u003c\/h2\u003e\n    \u003cp\u003eThe 2.0 cu ft total volume is sized for two IDQs operating in a shared sealed environment — effectively giving each driver access to 1.0 cu ft of net airspace, the same per-driver volume the single Performance Optimized Sealed 10 delivers. Image Dynamics calls for the IDQ10 V4 to live somewhere between 0.6 and 1.1 cubic feet sealed; 2.0 cu ft total puts the pair right in the SQ sweet spot most installers chase.\u003c\/p\u003e\n    \u003ch3\u003eVolume Selection\u003c\/h3\u003e\n    \u003cp\u003e2.0 cu ft net is the total internal volume after material thickness, bracing, and driver displacement. With two IDQs sharing the cabinet, each driver effectively operates against 1.0 cu ft of air spring — the upper end of the IDQ's compact-sealed range, where Qtc lands near 0.707 (textbook critical damping) for clean transient response and balanced low-end extension.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eBoth baffles are cut to the IDQ10 V4's exact 9.57\" cutout with 9.75\" bolt circle. 8\/32 threaded inserts at every mounting position — drop the IDQs in, hand-thread the supplied stainless hardware, done. The 5.81\" published mounting depth on the IDQ leaves comfortable internal clearance behind both magnet structures inside the 12.5\" deep cabinet.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec — denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, and a longer service life under daily use at real power levels.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the cabinet fold into shape with maximum glue surface. Dado joints lock the baffle and rear panel into the side walls — no fasteners visible from outside.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into both baffle backsides accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. Tolerances that manual fabrication can't hold — joints close cleanly, baffle concentricity stays accurate, and internal volume is consistent unit to unit.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003e\u003cstrong\u003eDark Gray Trunkliner\u003c\/strong\u003e is the standard durable wrap, matched to most factory trunk and cargo-area carpet tones. \u003cstrong\u003ePlush Black\u003c\/strong\u003e (+$10) is a deeper, more luxurious nap that pairs well with blacked-out interiors and show builds.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eChoose \u003cstrong\u003eBlack, Blue, Red, or White\u003c\/strong\u003e for the baffle inserts to match your build. Or skip the inserts entirely (-$40) for a clean, understated look. The inserts are purely cosmetic — performance is identical across colors.\u003c\/p\u003e\n    \u003ch3\u003eBox-Only or Loaded Pair\u003c\/h3\u003e\n    \u003cp\u003eAdd a matched pair of \u003cstrong\u003eDual 2-ohm\u003c\/strong\u003e or \u003cstrong\u003eDual 4-ohm\u003c\/strong\u003e IDQ10 V4 drivers directly to your order and we'll ship the complete loaded system, ready to wire to your amplifier. Already own your IDQs? Order the enclosure box-only and drop in the drivers you have.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring Two IDQs to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eBoth drivers share a single terminal cup, pre-wired with 12-gauge OFC for clean signal transfer. The wiring configuration depends on the impedance version of the IDQs you run and what your amplifier is stable at.\u003c\/p\u003e\n    \u003ch3\u003eTwo Dual 2-Ohm IDQs\u003c\/h3\u003e\n    \u003cp\u003eEach driver's coils in parallel = 1 ohm per driver. Two 1-ohm drivers in series = 2 ohms combined. Two 1-ohm drivers in parallel = 0.5 ohm combined (most monoblock amps won't handle this — verify your amp's stable load).\u003c\/p\u003e\n    \u003ch3\u003eTwo Dual 4-Ohm IDQs\u003c\/h3\u003e\n    \u003cp\u003eEach driver's coils in parallel = 2 ohms per driver. Two 2-ohm drivers in parallel = 1 ohm combined. Two 2-ohm drivers in series = 4 ohms combined. The Dual 4-ohm version is the more flexible option for most amplifier setups.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped — a 2 to 5 business day assembly window before the box ships. No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e — we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eTwo IDQs, Done Right\u003c\/h2\u003e\n    \u003cp\u003eDriver-specific airspace sized for a pair, Performance Series construction, and the option to bundle a matched pair of IDQ10 V4s in one order. The Dual Sealed 10 is the cabinet your IDQs were engineered to live in.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Plush Black \/ Black \/ Box Only","offer_id":43285296382041,"sku":"PO ID 10D-S IDQ BB none","price":329.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Black \/ Add 2 Dual 2ohm IDQ 10\"","offer_id":43285296414809,"sku":"PO ID 10D-S IDQ BB 2ohm","price":729.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Black \/ Add 2 Dual 4ohm IDQ 10\"","offer_id":43285296447577,"sku":"PO ID 10D-S IDQ BB 4ohm","price":729.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Blue \/ Box Only","offer_id":43285296480345,"sku":"PO ID 10D-S IDQ BBL none","price":329.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Blue \/ Add 2 Dual 2ohm IDQ 10\"","offer_id":43285296513113,"sku":"PO ID 10D-S IDQ BBL 2ohm","price":729.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Blue \/ Add 2 Dual 4ohm IDQ 10\"","offer_id":43285296545881,"sku":"PO ID 10D-S IDQ BBL 4ohm","price":729.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Red \/ Box Only","offer_id":43285296578649,"sku":"PO ID 10D-S IDQ BR none","price":329.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Red \/ Add 2 Dual 2ohm IDQ 10\"","offer_id":43285296611417,"sku":"PO ID 10D-S IDQ BR 2ohm","price":729.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Red \/ Add 2 Dual 4ohm IDQ 10\"","offer_id":43285296644185,"sku":"PO ID 10D-S IDQ BR 4ohm","price":729.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ White \/ Box Only","offer_id":43285296676953,"sku":"PO ID 10D-S IDQ  BW none","price":329.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ White \/ Add 2 Dual 2ohm IDQ 10\"","offer_id":43285296709721,"sku":"PO ID 10D-S IDQ BW 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None","price":279.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ None \/ Add 2 Dual 2ohm IDQ 10\"","offer_id":43285297299545,"sku":"PO ID 10D-S IDQ G 2ohm","price":679.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ None \/ Add 2 Dual 4ohm IDQ 10\"","offer_id":43285297332313,"sku":"PO ID 10D-S IDQ G 4ohm","price":679.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/performance-optimized-dual-sealed-10-enclosure-image-dynamics-idq-10subwoofer-enclosuresproline-x-6919893.webp?v=1779355145"},{"product_id":"performance-optimized-sealed-10-enclosure-sony-es","title":"Performance Optimized Sealed 10\" Enclosure | Sony ES","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, 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15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #06b6d4; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #0e7490; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #f0f9ff; border-left: 4px solid #06b6d4; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized | Sony Mobile ES\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 10\" Sealed Enclosure | Driver-Specific for the XS-W104ES\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e1.0 ft³ Net\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eThreaded Inserts\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e20\" × 14\" × 9.5\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe Sony XS-W104ES Deserves a Box Built for It\u003c\/h2\u003e\n    \u003cp\u003eSony's Mobile ES Series represents the pinnacle of their car audio engineering. The XS-W104ES is built around a mica flake \/ aramid fiber \/ pulp cone with a honeycomb core, separated-notch rubber surround, and a 450-watt RMS power rating that demands a properly sized cabinet to deliver on its potential. Drop it in a generic box and you'll get good bass. Drop it in a cabinet engineered around its intended sealed alignment and you'll hear what the Mobile ES Series was designed to do.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Sealed 10 for Sony ES is that cabinet. Internal volume, baffle thickness, and mounting hardware are all chosen to extract the XS-W104ES's full mechanical and acoustic potential — not approximated, not averaged across a class of 10s, not adapted from a universal box.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003eThis enclosure is engineered specifically around the Sony XS-W104ES. The 1.0 cu ft net volume and direct-fit cutout are tuned to the Mobile ES Series 10 — not a generic 10\" platform.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWhy Performance Optimized Sits Where It Does\u003c\/h2\u003e\n    \u003cp\u003eThe Performance Optimized line is the bridge between our standard Performance Series and our top-tier Professional Series. Same Performance-tier construction quality — Langboard Elite MDF, V-groove and dado joinery, ShopSabre CNC routing — but the geometry of every panel is cut around one specific driver instead of a class of drivers.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003evs Performance Series\u003c\/h4\u003e\n        \u003cp\u003eStandard Performance Series boxes (P6 through P15) are built for universal driver fitment within a size class. Great if you want flexibility across multiple driver options. Performance Optimized takes the same construction and locks the airspace and hardware to one specific driver.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003evs Professional Series\u003c\/h4\u003e\n        \u003cp\u003eProfessional Series uses extensive multi-layer baffles, triple-stacked construction, and a 2-year warranty for the most demanding builds. Performance Optimized delivers driver-specific engineering at a more accessible price point with a 1-year warranty.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered Around the XS-W104ES\u003c\/h2\u003e\n    \u003cp\u003eThe Sony Mobile ES Series 10\" performs best in a sealed cabinet that gives the cone the right air spring without overdamping the response. 1.0 cu ft net is where the XS-W104ES settles into its intended SQ-oriented sealed alignment — tight, articulate transients on kick drums and bass guitar, controlled low-end extension, and the tonal accuracy Sony engineered the Mobile ES Series cone composition to deliver.\u003c\/p\u003e\n    \u003ch3\u003eVolume Selection\u003c\/h3\u003e\n    \u003cp\u003e1.0 cu ft net is the airspace that lets the Sony cone work cleanly without fighting the cabinet. Smaller volumes overdamp the response and dry out the bottom end. Larger volumes loosen Qtc and compromise the Sony's signature controlled presentation. 1.0 cu ft is the SQ-oriented sweet spot for the Mobile ES Series 10.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eThe baffle is cut to the XS-W104ES's exact direct-fit specification. The 5.382\" mounting depth on the Sony leaves comfortable internal clearance behind the magnet structure inside the 9.5\" deep cabinet. No interference, no airspace robbed by a deep motor.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec — denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, and a longer service life under daily use at real power levels.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the cabinet fold into shape with maximum glue surface. Dado joints lock the baffle and rear panel into the side walls — no fasteners visible from outside.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the baffle backside accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. Tolerances that manual fabrication can't hold — joints close cleanly, baffle concentricity stays accurate, and internal volume is consistent unit to unit.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003e\u003cstrong\u003eDark Gray Trunkliner\u003c\/strong\u003e is the standard durable wrap, matched to most factory trunk and cargo-area carpet tones. \u003cstrong\u003ePlush Black\u003c\/strong\u003e (+$10) is a deeper, more luxurious nap that pairs well with blacked-out interiors and show builds.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eChoose \u003cstrong\u003eBlack, Blue, Red, or White\u003c\/strong\u003e for the baffle insert to match your build. Or skip the insert entirely (-$40) for a clean, understated look. The insert is purely cosmetic — performance is identical across colors.\u003c\/p\u003e\n    \u003ch3\u003eBox-Only or Loaded\u003c\/h3\u003e\n    \u003cp\u003eAdd a \u003cstrong\u003eSony XS-W104ES\u003c\/strong\u003e driver directly to your order and we'll ship the complete loaded system, ready to wire to your amplifier. Already own your XS-W104ES? Order the enclosure box-only and drop in the driver you have.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the XS-W104ES to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe Sony XS-W104ES is a single 4-ohm voice coil driver — simpler wiring than a dual-coil design, and ideally suited for monoblock subwoofer amplifiers stable at 2 or 4 ohms. The pre-wired terminal cup accepts the XS-W104ES's gold-plated spring terminals via 12-gauge OFC, with stainless hardware on the input side that accepts both spade and banana terminations.\u003c\/p\u003e\n    \u003cp\u003eThe XS-W104ES is rated for 450 watts RMS. Aim for a clean, well-regulated amplifier delivering 350 to 450 watts at 4 ohms — Sony designed this driver for refined power, not headline numbers. Mobile ES Series amplifiers from Sony's lineup are engineered to pair specifically with this driver, but any quality monoblock with honest 4-ohm output will work.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped — a 2 to 5 business day assembly window before the box ships. No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e — we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eStop Compromising Your Mobile ES\u003c\/h2\u003e\n    \u003cp\u003eDriver-specific engineering, Performance Series construction, and the option to bundle the XS-W104ES driver in one order. Build the box that was designed for the sub you've already chosen.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Plush Black \/ Black \/ Box Only","offer_id":43287920181337,"sku":"PO Sony 10-S BB none","price":249.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Black \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920246873,"sku":"PO Sony 10-S BB 4 ohm","price":449.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Blue \/ Box Only","offer_id":43287920279641,"sku":"PO Sony 10-S BBL none","price":249.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Blue \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920345177,"sku":"PO Sony 10-S BBL 4 ohm","price":449.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Red \/ Box Only","offer_id":43287920377945,"sku":"PO Sony 10-S BR none","price":249.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Red \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920443481,"sku":"PO Sony 10-S BR 4 ohm","price":449.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ White \/ Box Only","offer_id":43287920476249,"sku":"PO Sony 10-S BW none","price":249.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ White \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920541785,"sku":"PO Sony 10-S BW 4 ohm","price":449.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ None \/ Box Only","offer_id":43287920574553,"sku":"PO Sony 10-S B none","price":209.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ None \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920640089,"sku":"PO Sony 10-S B 4 ohm","price":409.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Black \/ Box Only","offer_id":43287920672857,"sku":"PO Sony 10-S GB none","price":239.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Black \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920738393,"sku":"PO Sony 10-S GB 4 ohm","price":439.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Blue \/ Box Only","offer_id":43287920771161,"sku":"PO Sony 10-S GBL none","price":239.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Blue \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920836697,"sku":"PO Sony 10-S GBL 4 ohm","price":439.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Red \/ Box Only","offer_id":43287920869465,"sku":"PO Sony 10-S GR none","price":239.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Red \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920935001,"sku":"PO Sony 10-S GR 4 ohm","price":439.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ White \/ Box Only","offer_id":43287920967769,"sku":"PO Sony 10-S GW none","price":239.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ White \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287921033305,"sku":"PO Sony 10-S GW 4 ohm","price":439.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ None \/ Box Only","offer_id":43287921066073,"sku":"PO Sony 10-S G none","price":199.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ None \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287921131609,"sku":"PO Sony 10-S G 4 ohm","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/performance-optimized-sealed-10-enclosure-sony-essubwoofer-enclosuresproline-x-2829482.webp?v=1779355147"},{"product_id":"performance-optimized-dual-sealed-12-enclosure-image-dynamics-idq-12","title":"Performance Optimized Dual Sealed 12\" Enclosure | Image Dynamics IDQ 12","description":"\u003cdiv class=\"po-desc\"\u003e\n\u003cstyle\u003e\n  .po-desc {\n    --po-dark: #0f172a;\n    --po-deep: #0e7490;\n    --po-accent: #06b6d4;\n    --po-tint: #f0f9ff;\n    --po-line: #cfe8f3;\n    --po-text: #1a2233;\n    --po-muted: #4a5568;\n    max-width: 1200px;\n    margin: 0 auto;\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n    color: var(--po-text) !important;\n    line-height: 1.6;\n  }\n  .po-desc * { box-sizing: border-box; }\n  .po-hero {\n    background: linear-gradient(135deg, var(--po-dark) 0%, #134e63 55%, var(--po-deep) 100%);\n    color: #fff !important;\n    padding: 56px 44px;\n    border-radius: 14px;\n    text-align: center;\n  }\n  .po-hero .po-eyebrow {\n    display: inline-block;\n    font-size: 13px;\n    letter-spacing: 2.5px;\n    text-transform: uppercase;\n    color: #7dd3fc !important;\n    font-weight: 700;\n    margin-bottom: 16px;\n  }\n  .po-hero h2 {\n    font-size: 34px;\n    line-height: 1.2;\n    margin: 0 0 14px;\n    color: #fff !important;\n    font-weight: 800;\n  }\n  .po-hero p {\n    font-size: 18px;\n    color: #d6f0fa !important;\n    max-width: 760px;\n    margin: 0 auto;\n  }\n  .po-badges {\n    display: flex;\n    flex-wrap: wrap;\n    justify-content: center;\n    gap: 10px;\n    margin-top: 22px;\n  }\n  .po-badge {\n    background: rgba(255,255,255,0.12);\n    border: 1px solid rgba(125,211,252,0.5);\n    color: #d6f0fa !important;\n    font-size: 12.5px;\n    font-weight: 700;\n    letter-spacing: 1px;\n    text-transform: uppercase;\n    padding: 7px 14px;\n    border-radius: 999px;\n  }\n  .po-section {\n    background: #ffffff;\n    padding: 40px 44px;\n    margin-top: 26px;\n    border-radius: 14px;\n    border: 1px solid var(--po-line);\n  }\n  .po-section.tint { background: var(--po-tint); }\n  .po-section h3 {\n    font-size: 25px;\n    margin: 0 0 18px;\n    color: var(--po-deep) !important;\n    font-weight: 800;\n  }\n  .po-section p {\n    font-size: 16.5px;\n    color: var(--po-text) !important;\n    margin: 0 0 16px;\n  }\n  .po-section p:last-child { margin-bottom: 0; }\n  .po-highlight {\n    border-left: 4px solid var(--po-accent);\n    background: #ecfbff;\n    padding: 20px 24px;\n    border-radius: 0 10px 10px 0;\n    margin: 22px 0 0;\n  }\n  .po-highlight p { margin: 0; font-size: 16px; }\n  .po-grid {\n    display: grid;\n    grid-template-columns: 1fr 1fr;\n    gap: 20px;\n    margin-top: 24px;\n  }\n  @media (max-width: 720px) { .po-grid { grid-template-columns: 1fr; } }\n  .po-card {\n    background: #ffffff;\n    border: 1px solid var(--po-line);\n    border-radius: 12px;\n    padding: 26px;\n  }\n  .po-card-label {\n    display: inline-block;\n    font-size: 11.5px;\n    letter-spacing: 1.5px;\n    text-transform: uppercase;\n    color: var(--po-accent) !important;\n    font-weight: 700;\n    margin-bottom: 10px;\n  }\n  .po-card h4 {\n    font-size: 18.5px;\n    margin: 0 0 12px;\n    color: var(--po-deep) !important;\n    font-weight: 700;\n  }\n  .po-card-divider {\n    width: 42px;\n    height: 3px;\n    background: var(--po-accent);\n    border-radius: 2px;\n    margin: 0 0 14px;\n  }\n  .po-card p { font-size: 15.5px; color: var(--po-muted) !important; margin: 0; }\n  .po-stats {\n    display: grid;\n    grid-template-columns: repeat(3, 1fr);\n    gap: 16px;\n    margin-top: 22px;\n  }\n  @media (max-width: 720px) { .po-stats { grid-template-columns: 1fr; } }\n  .po-stat-cell {\n    background: linear-gradient(160deg, #134e63, var(--po-deep));\n    color: #fff !important;\n    border-radius: 12px;\n    padding: 24px 20px;\n    text-align: center;\n  }\n  .po-stat-cell .num {\n    display: block;\n    font-size: 30px;\n    font-weight: 800;\n    line-height: 1.1;\n    color: #fff !important;\n  }\n  .po-stat-cell .unit {\n    display: block;\n    font-size: 13px;\n    letter-spacing: 1px;\n    text-transform: uppercase;\n    color: #a5e3f7 !important;\n    margin-top: 8px;\n  }\n  .po-cta {\n    background: linear-gradient(135deg, var(--po-deep) 0%, #134e63 50%, var(--po-dark) 100%);\n    color: #fff !important;\n    padding: 44px;\n    border-radius: 14px;\n    text-align: center;\n    margin-top: 26px;\n  }\n  .po-cta h3 { color: #fff !important; font-size: 24px; margin: 0 0 12px; font-weight: 800; }\n  .po-cta p { color: #d6f0fa !important; font-size: 16.5px; margin: 0 auto; max-width: 680px; }\n\u003c\/style\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cspan class=\"po-eyebrow\"\u003eProline X Performance Optimized Series\u003c\/span\u003e\n    \u003ch2\u003eDual Sealed 12\" Enclosure | Image Dynamics IDQ12 V4\u003c\/h2\u003e\n    \u003cp\u003eTwo IDQ12 V4 subwoofers. One precision airspace. This driver-specific sealed enclosure is CNC-cut around the IDQ12's published parameters, so a pair of the most musical 12s in car audio gets exactly the box they were engineered for.\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eCNC-Cut in Tennessee\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003ePre-Wired\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e1-Year Warranty\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch3\u003eEngineered Around the IDQ12 V4\u003c\/h3\u003e\n    \u003cp\u003eThe Image Dynamics IDQ12 V4 is a sealed-box subwoofer by design, with an EBP of 40 that tells you exactly where it belongs. This enclosure gives a pair of them the airspace Image Dynamics' parameters call for: approximately 2.8 cubic feet of net internal volume in a shared common chamber, roughly 1.4 cubic feet per driver after displacement. That sits in the extended range of the IDQ12's sealed window, trading a touch of box punch for deeper extension while preserving the transient accuracy that wins sound quality lanes.\u003c\/p\u003e\n    \u003cp\u003eThe baffle is cut for the IDQ12 V4's 10.87 inch cutout on both positions, and the 15 inch depth swallows the driver's 5.91 inch mounting depth with room to breathe. Polyfill comes pre-installed, so the enclosure performs as modeled the day it arrives.\u003c\/p\u003e\n    \u003cdiv class=\"po-stats\"\u003e\n      \u003cdiv class=\"po-stat-cell\"\u003e\n\u003cspan class=\"num\"\u003e2.8 ft³\u003c\/span\u003e\u003cspan class=\"unit\"\u003eNet Volume, Common Chamber\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"po-stat-cell\"\u003e\n\u003cspan class=\"num\"\u003e30x15x15\u003c\/span\u003e\u003cspan class=\"unit\"\u003eExternal Inches (WxHxD)\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"po-stat-cell\"\u003e\n\u003cspan class=\"num\"\u003e1000W\u003c\/span\u003e\u003cspan class=\"unit\"\u003eSystem RMS (2 x 500W)\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section tint\"\u003e\n    \u003ch3\u003ePerformance Optimized Construction\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut from Langboard Elite MDF on our ShopSabre routers in Tullahoma, Tennessee, with precision V-groove and dado joinery for panel alignment and long-term sealed integrity. The baffle carries 8\/32 threaded inserts matched to the IDQ12 V4's published mounting pattern, with stainless steel machine screws included, so the drivers bolt down with real hardware instead of wood screws.\u003c\/p\u003e\n    \u003cp\u003eConnections run through the Proline X ABS and carbon fiber composite terminal cup with stainless hardware and copper ring terminals, pre-wired with 12-gauge OFC to both driver positions. Drop the subs in, land two wires at the cup, and the install is done.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003eThis is the same driver-specific approach as our Professional Series: airspace, cutouts, and hardware locked to one driver, the Image Dynamics IDQ12 V4, rather than averaged across a class of 12s.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch3\u003eFinish It Your Way\u003c\/h3\u003e\n    \u003cp\u003eThe enclosure comes wrapped in Dark Gray Trunkliner as standard, with Plush Black carpet available as an upgrade. The front baffle accepts a colored acrylic insert in Black, Blue, Red, or White to match the build, or can be ordered without the insert for a clean, blacked-out face at a reduced price.\u003c\/p\u003e\n    \u003cp\u003eOrder the box on its own if you already have your drivers, or bundle it with a matched pair of IDQ12 V4 subwoofers in Dual 2-ohm or Dual 4-ohm, and we ship everything together. A pair of Dual 2-ohm drivers wires to a 2-ohm final load; a pair of Dual 4-ohm drivers wires to 1 ohm or 4 ohms.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-grid\"\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eAirspace\u003c\/span\u003e\n      \u003ch4\u003eDriver-Matched Volume\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eApproximately 1.4 cubic feet per driver in a common chamber, set against the IDQ12 V4's published sealed parameters.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eJoinery\u003c\/span\u003e\n      \u003ch4\u003eV-Groove + Dado Construction\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eCNC-cut Langboard Elite MDF with precision joinery for rigid panels and an airtight sealed cabinet that stays that way.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eHardware\u003c\/span\u003e\n      \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eMatched to the IDQ12 V4 mounting pattern with stainless machine screws included. Real fasteners, repeatable torque.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eWiring\u003c\/span\u003e\n      \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired in 12-gauge OFC to both positions.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eStyle\u003c\/span\u003e\n      \u003ch4\u003eAcrylic Insert Options\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eBlack, Blue, Red, or White front acrylic to match the build, or skip the insert for a blacked-out baffle.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eBundles\u003c\/span\u003e\n      \u003ch4\u003eBox Only or Loaded\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eOrder the enclosure alone or bundled with a matched pair of IDQ12 V4 drivers in Dual 2-ohm or Dual 4-ohm.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch3\u003eThe Box Two IDQ12s Deserve\u003c\/h3\u003e\n    \u003cp\u003ePrecision airspace, real hardware, and pre-wired connections, built around one driver and cut on CNC in Tennessee. Pair it with 1000 clean watts and let a dual IDQ12 V4 sealed stage do what it was engineered to do.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Plush Black \/ Black \/ Box Only","offer_id":43382076997721,"sku":"PO ID 12D-S IDQ BB none","price":389.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Black \/ Add 2 Dual 2ohm IDQ 12\"","offer_id":43382077030489,"sku":"PO ID 12D-S IDQ BB 2ohm","price":949.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Black \/ Add 2 Dual 4ohm IDQ 12\"","offer_id":43382077063257,"sku":"PO ID 12D-S IDQ BB 4ohm","price":949.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Blue \/ Box Only","offer_id":43382077096025,"sku":"PO ID 12D-S IDQ BBL none","price":389.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Blue \/ Add 2 Dual 2ohm IDQ 12\"","offer_id":43382077128793,"sku":"PO ID 12D-S IDQ BBL 2ohm","price":949.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Blue \/ Add 2 Dual 4ohm IDQ 12\"","offer_id":43382077161561,"sku":"PO ID 12D-S IDQ BBL 4ohm","price":949.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Red \/ Box Only","offer_id":43382077194329,"sku":"PO ID 12D-S IDQ BR none","price":389.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Red \/ Add 2 Dual 2ohm IDQ 12\"","offer_id":43382077227097,"sku":"PO ID 12D-S IDQ BR 2ohm","price":949.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Red \/ Add 2 Dual 4ohm IDQ 12\"","offer_id":43382077259865,"sku":"PO ID 12D-S IDQ BR 4ohm","price":949.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ White \/ Box Only","offer_id":43382077292633,"sku":"PO ID 12D-S IDQ  BW none","price":389.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ White \/ Add 2 Dual 2ohm IDQ 12\"","offer_id":43382077325401,"sku":"PO ID 12D-S IDQ BW 2ohm","price":949.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ White \/ Add 2 Dual 4ohm IDQ 12\"","offer_id":43382077358169,"sku":"PO ID 12D-S IDQ BW 4ohm","price":949.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ None \/ Box Only","offer_id":43382077390937,"sku":"PO ID 12D-S IDQ B none","price":369.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ None \/ Add 2 Dual 2ohm IDQ 12\"","offer_id":43382077423705,"sku":"PO ID 12D-S IDQ B 2ohm","price":929.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ None \/ Add 2 Dual 4ohm IDQ 12\"","offer_id":43382077456473,"sku":"PO ID 12D-S IDQ B 4ohm","price":929.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Black \/ Box Only","offer_id":43382077489241,"sku":"PO ID 12D-S IDQ GB None","price":379.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Black \/ Add 2 Dual 2ohm IDQ 12\"","offer_id":43382077522009,"sku":"PO ID 12D-S IDQ GB 2ohm","price":939.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Black \/ Add 2 Dual 4ohm IDQ 12\"","offer_id":43382077554777,"sku":"PO ID 12D-S IDQ GB 4ohm","price":949.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Blue \/ Box Only","offer_id":43382077587545,"sku":"PO ID 12D-S IDQ GBL None","price":379.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Blue \/ Add 2 Dual 2ohm IDQ 12\"","offer_id":43382077620313,"sku":"PO ID 12D-S IDQ GBL 2ohm","price":939.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Blue \/ Add 2 Dual 4ohm IDQ 12\"","offer_id":43382077653081,"sku":"PO ID 12D-S IDQ GBL 4ohm","price":939.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Red \/ Box Only","offer_id":43382077685849,"sku":"PO ID 12D-S IDQ GR None","price":379.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Red \/ Add 2 Dual 2ohm IDQ 12\"","offer_id":43382077718617,"sku":"PO ID 12D-S IDQ GR 2ohm","price":939.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Red \/ Add 2 Dual 4ohm IDQ 12\"","offer_id":43382077751385,"sku":"PO ID 12D-S IDQ GR 4ohm","price":939.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ White \/ Box Only","offer_id":43382077784153,"sku":"PO ID 12D-S IDQ GW None","price":379.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ White \/ Add 2 Dual 2ohm IDQ 12\"","offer_id":43382077816921,"sku":"PO ID 12D-S IDQ GW 2ohm","price":939.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ White \/ Add 2 Dual 4ohm IDQ 12\"","offer_id":43382077849689,"sku":"PO ID 12D-S IDQ GW 4ohm","price":939.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ None \/ Box Only","offer_id":43382077882457,"sku":"PO ID 12D-S IDQ G None","price":359.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ None \/ Add 2 Dual 2ohm IDQ 12\"","offer_id":43382077915225,"sku":"PO ID 12D-S IDQ G 2ohm","price":919.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ None \/ Add 2 Dual 4ohm IDQ 12\"","offer_id":43382077947993,"sku":"PO ID 12D-S IDQ G 4ohm","price":919.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/performance-optimized-dual-sealed-10-enclosure-image-dynamics-idq-10subwoofer-enclosuresproline-x-6919893.webp?v=1779355145"},{"product_id":"performance-optimized-sealed-12-enclosure-image-dynamics-idq-12","title":"Performance Optimized Sealed 12\" Enclosure | Image Dynamics IDQ 12","description":"\u003cdiv class=\"po-desc\"\u003e\n\u003cstyle\u003e\n  .po-desc {\n    --po-dark: #0f172a;\n    --po-deep: #0e7490;\n    --po-accent: #06b6d4;\n    --po-tint: #f0f9ff;\n    --po-line: #cfe8f3;\n    --po-text: #1a2233;\n    --po-muted: #4a5568;\n    max-width: 1200px;\n    margin: 0 auto;\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n    color: var(--po-text) !important;\n    line-height: 1.6;\n  }\n  .po-desc * { box-sizing: border-box; }\n  .po-hero {\n    background: linear-gradient(135deg, var(--po-dark) 0%, #134e63 55%, var(--po-deep) 100%);\n    color: #fff !important;\n    padding: 56px 44px;\n    border-radius: 14px;\n    text-align: center;\n  }\n  .po-hero .po-eyebrow {\n    display: inline-block;\n    font-size: 13px;\n    letter-spacing: 2.5px;\n    text-transform: uppercase;\n    color: #7dd3fc !important;\n    font-weight: 700;\n    margin-bottom: 16px;\n  }\n  .po-hero h2 {\n    font-size: 34px;\n    line-height: 1.2;\n    margin: 0 0 14px;\n    color: #fff !important;\n    font-weight: 800;\n  }\n  .po-hero p {\n    font-size: 18px;\n    color: #d6f0fa !important;\n    max-width: 760px;\n    margin: 0 auto;\n  }\n  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background: #ecfbff;\n    padding: 20px 24px;\n    border-radius: 0 10px 10px 0;\n    margin: 22px 0 0;\n  }\n  .po-highlight p { margin: 0; font-size: 16px; }\n  .po-grid {\n    display: grid;\n    grid-template-columns: 1fr 1fr;\n    gap: 20px;\n    margin-top: 24px;\n  }\n  @media (max-width: 720px) { .po-grid { grid-template-columns: 1fr; } }\n  .po-card {\n    background: #ffffff;\n    border: 1px solid var(--po-line);\n    border-radius: 12px;\n    padding: 26px;\n  }\n  .po-card-label {\n    display: inline-block;\n    font-size: 11.5px;\n    letter-spacing: 1.5px;\n    text-transform: uppercase;\n    color: var(--po-accent) !important;\n    font-weight: 700;\n    margin-bottom: 10px;\n  }\n  .po-card h4 {\n    font-size: 18.5px;\n    margin: 0 0 12px;\n    color: var(--po-deep) !important;\n    font-weight: 700;\n  }\n  .po-card-divider {\n    width: 42px;\n    height: 3px;\n    background: var(--po-accent);\n    border-radius: 2px;\n    margin: 0 0 14px;\n  }\n  .po-card p { font-size: 15.5px; color: var(--po-muted) !important; margin: 0; }\n  .po-stats {\n    display: grid;\n    grid-template-columns: repeat(3, 1fr);\n    gap: 16px;\n    margin-top: 22px;\n  }\n  @media (max-width: 720px) { .po-stats { grid-template-columns: 1fr; } }\n  .po-stat-cell {\n    background: linear-gradient(160deg, #134e63, var(--po-deep));\n    color: #fff !important;\n    border-radius: 12px;\n    padding: 24px 20px;\n    text-align: center;\n  }\n  .po-stat-cell .num {\n    display: block;\n    font-size: 30px;\n    font-weight: 800;\n    line-height: 1.1;\n    color: #fff !important;\n  }\n  .po-stat-cell .unit {\n    display: block;\n    font-size: 13px;\n    letter-spacing: 1px;\n    text-transform: uppercase;\n    color: #a5e3f7 !important;\n    margin-top: 8px;\n  }\n  .po-cta {\n    background: linear-gradient(135deg, var(--po-deep) 0%, #134e63 50%, var(--po-dark) 100%);\n    color: #fff !important;\n    padding: 44px;\n    border-radius: 14px;\n    text-align: center;\n    margin-top: 26px;\n  }\n  .po-cta h3 { color: #fff !important; font-size: 24px; margin: 0 0 12px; font-weight: 800; }\n  .po-cta p { color: #d6f0fa !important; font-size: 16.5px; margin: 0 auto; max-width: 680px; }\n\u003c\/style\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cspan class=\"po-eyebrow\"\u003eProline X Performance Optimized Series\u003c\/span\u003e\n    \u003ch2\u003eSealed 12\" Enclosure | Image Dynamics IDQ12 V4\u003c\/h2\u003e\n    \u003cp\u003eOne driver, one airspace, zero compromise. This driver-specific sealed enclosure is CNC-cut around the Image Dynamics IDQ12 V4's published parameters, giving one of the most musical 12s in car audio exactly the box it was engineered for.\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eCNC-Cut in Tennessee\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003ePre-Wired\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e1-Year Warranty\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch3\u003eEngineered Around the IDQ12 V4\u003c\/h3\u003e\n    \u003cp\u003eThe Image Dynamics IDQ12 V4 is a sealed-box subwoofer by design, with an EBP of 40 that tells you exactly where it belongs. This enclosure gives it 1.4 cubic feet of net internal volume, the extended portion of the IDQ12's sealed window. Compared to the tighter 1.0 cubic foot alignment, that buys deeper bass extension while preserving the transient accuracy and tonal neutrality that built the IDQ Series' sound quality reputation.\u003c\/p\u003e\n    \u003cp\u003eThe baffle is cut for the IDQ12 V4's 10.87 inch cutout, the 10.5 inch cabinet depth clears the driver's 5.91 inch mounting depth comfortably, and polyfill comes pre-installed so the enclosure performs as modeled the day it arrives.\u003c\/p\u003e\n    \u003cdiv class=\"po-stats\"\u003e\n      \u003cdiv class=\"po-stat-cell\"\u003e\n\u003cspan class=\"num\"\u003e1.4 ft³\u003c\/span\u003e\u003cspan class=\"unit\"\u003eNet Internal Volume\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"po-stat-cell\"\u003e\n\u003cspan class=\"num\"\u003e24x15x10.5\u003c\/span\u003e\u003cspan class=\"unit\"\u003eExternal Inches (WxHxD)\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"po-stat-cell\"\u003e\n\u003cspan class=\"num\"\u003e500W\u003c\/span\u003e\u003cspan class=\"unit\"\u003eRMS (IDQ12 V4)\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section tint\"\u003e\n    \u003ch3\u003ePerformance Optimized Construction\u003c\/h3\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut from Langboard Elite MDF on our ShopSabre routers in Tullahoma, Tennessee, with precision V-groove and dado joinery for panel alignment and long-term sealed integrity. The baffle carries 8\/32 threaded inserts matched to the IDQ12 V4's published mounting pattern, with stainless steel machine screws included, so the driver bolts down with real hardware instead of wood screws.\u003c\/p\u003e\n    \u003cp\u003eConnections run through the Proline X ABS and carbon fiber composite terminal cup with stainless hardware and copper ring terminals, pre-wired with 12-gauge OFC to the driver position. Drop the sub in, land two wires at the cup, and the install is done.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003eThis is the same driver-specific approach as our Professional Series: airspace, cutout, and hardware locked to one driver, the Image Dynamics IDQ12 V4, rather than averaged across a class of 12s.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch3\u003eFinish It Your Way\u003c\/h3\u003e\n    \u003cp\u003eThe enclosure comes wrapped in Dark Gray Trunkliner as standard, with Plush Black carpet available as an upgrade. The front baffle accepts a colored acrylic insert in Black, Blue, Red, or White to match the build, or can be ordered without the insert for a clean, blacked-out face at a reduced price.\u003c\/p\u003e\n    \u003cp\u003eOrder the box on its own if you already have your driver, or bundle it with an IDQ12 V4 in Dual 2-ohm or Dual 4-ohm, and we ship everything together. A Dual 2-ohm driver wires to 1 ohm or 4 ohms; a Dual 4-ohm driver wires to 2 ohms or 8 ohms.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-grid\"\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eAirspace\u003c\/span\u003e\n      \u003ch4\u003e1.4 Cubic Feet, Driver-Matched\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eThe extended end of the IDQ12 V4's sealed window, set against Image Dynamics' published parameters for deeper extension.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eJoinery\u003c\/span\u003e\n      \u003ch4\u003eV-Groove + Dado Construction\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eCNC-cut Langboard Elite MDF with precision joinery for rigid panels and an airtight sealed cabinet that stays that way.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eHardware\u003c\/span\u003e\n      \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eMatched to the IDQ12 V4 mounting pattern with stainless machine screws included. Real fasteners, repeatable torque.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eWiring\u003c\/span\u003e\n      \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eProline X ABS and carbon fiber composite cup with stainless hardware and copper ring terminals, pre-wired in 12-gauge OFC.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eStyle\u003c\/span\u003e\n      \u003ch4\u003eAcrylic Insert Options\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eBlack, Blue, Red, or White front acrylic to match the build, or skip the insert for a blacked-out baffle.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"po-card\"\u003e\n      \u003cspan class=\"po-card-label\"\u003eBundles\u003c\/span\u003e\n      \u003ch4\u003eBox Only or Loaded\u003c\/h4\u003e\n      \u003cdiv class=\"po-card-divider\"\u003e\u003c\/div\u003e\n      \u003cp\u003eOrder the enclosure alone or bundled with an IDQ12 V4 driver in Dual 2-ohm or Dual 4-ohm.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch3\u003eThe Box the IDQ12 Deserves\u003c\/h3\u003e\n    \u003cp\u003ePrecision airspace, real hardware, and pre-wired connections, built around one driver and cut on CNC in Tennessee. Give the IDQ12 V4 500 clean watts and the right 1.4 cubic feet, and let it do what it was engineered to do.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Plush Black \/ Black \/ Box Only","offer_id":43382222192729,"sku":"PO ID 12-S IDQ BB none","price":299.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Black \/ Add a Dual 2ohm IDQ 12\"","offer_id":43382222225497,"sku":"PO ID 12-S IDQ BB 2ohm","price":579.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Black \/ Add a Dual 4ohm IDQ 12\"","offer_id":43382222258265,"sku":"PO ID 12-S IDQ BB 4ohm","price":579.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Blue \/ Box Only","offer_id":43382222291033,"sku":"PO ID 12-S IDQ BBL none","price":299.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Blue \/ Add a Dual 2ohm IDQ 12\"","offer_id":43382222323801,"sku":"PO ID 12-S IDQ BBL 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