{"product_id":"down4sound-pro-fab-birch-4x-8-inch-ported-subwoofer-enclosure-07-13-chevy-gm-crew-cab-2-5-inch-seat-lift-required","title":"Down4Sound PRO-FAB - Birch - 4X 8-INCH Ported Subwoofer Enclosure - 07-13 CHEVY\/GM Crew CAB - 2.5-INCH Seat Lift Required","description":"\u003cp\u003eDesigned specifically for 2007-2013 Chevy\/GM Crew Cab trucks, the Down4Sound PRO-FAB (Quad) enclosure is engineered to deliver ground-shaking bass. With four 8-inch subwoofer openings, this ported enclosure is built from premium birch wood and coated with a polyurethane bedliner for enhanced durability. Featuring a square air port design, it’s precision-tuned for powerful and accurate bass performance. This enclosure fits seamlessly under the seat but \u003cstrong\u003erequires a 2.5-inch seat lift\u003c\/strong\u003e for proper installation. \u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e2007-2013 Chevy\/GM Crew Cab (Under Seat, 2.5-Inch Seat lift is required\u003cstrong\u003e BUT IS NOT INCLUDED\u003c\/strong\u003e)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eConfiguration\u003c\/h2\u003eQuad 8-inch subwoofer openings\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMaterial\u003c\/h2\u003ePremium birch wood with polyurethane bedliner coating for extra durability\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eOutside Dimensions\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003ch2\u003eWidth\u003c\/h2\u003e54 inches\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eFront Height\u003c\/h2\u003e12.5 inches\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eRear Height\u003c\/h2\u003e11 inches\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eDepth\u003c\/h2\u003e14.75 inches\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eNet Airspace (After Displacements)\u003c\/h2\u003e1.795 cubic feet\u003cbr\u003e\u003cstrong\u003eSubwoofer Cutout: 7.32 inch\u003c\/strong\u003e  \u003ch2\u003ePort Information\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eType: \u003c\/strong\u003eSquare air ports - DRIVERS \u0026amp; PASSENGER SIDE - 2 PORTS TOTAL\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eInner Surface Area\u003c\/h2\u003e12.18 square inches\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eDepth\u003c\/h2\u003e9.91 inches (including cabinet thickness)\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eTuning Frequency\u003c\/h2\u003e40.06 Hz\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eRecommended Subwoofer\u003c\/h2\u003e Down4Sound DBz 8\" Subwoofers \u003cp\u003e \u003c\/p\u003e \u003ch2\u003e****ALL SALES ARE FINAL****\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized Down4Sound dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Down4Sound","offers":[{"title":"Default Title","offer_id":66828392759341,"sku":"TD4S-PFB-GMT713-480SP","price":439.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/down4sound-pro-fab-birch-4x-8-inch-ported-subwoofer-enclosure-07-13-chevy-gm-crew-cab-2-5-inch-seat-lift-required-w_6896d50a-678d-40d4-abb7-8a1ab99d40b7.jpg?v=1782676700","url":"https:\/\/www.jsultimatesounds.com\/products\/down4sound-pro-fab-birch-4x-8-inch-ported-subwoofer-enclosure-07-13-chevy-gm-crew-cab-2-5-inch-seat-lift-required","provider":"JS Ultimate Sounds","version":"1.0","type":"link"}