{"product_id":"qbgmc04212","title":"QBGMC04212","description":"\u003cp data-start=\"0\" data-end=\"318\"\u003eThe QBGMC04212 is a custom-fit underseat subwoofer enclosure designed specifically for 2004-2006 Chevrolet Silverado and GMC Sierra Extended Cab trucks. Engineered for strong low-frequency performance while maintaining factory interior space, this enclosure provides deep bass output with a clean OEM-style appearance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"565xk3\" data-start=\"320\" data-end=\"343\"\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul data-start=\"344\" data-end=\"699\"\u003e\n\u003cli data-section-id=\"1r21ps6\" data-start=\"344\" data-end=\"403\"\u003eCustom-fit enclosure for 2004-2006 GM Extended Cab trucks\u003c\/li\u003e\n\u003cli data-section-id=\"mtfk8f\" data-start=\"404\" data-end=\"442\"\u003eDesigned for dual 12-inch subwoofers\u003c\/li\u003e\n\u003cli data-section-id=\"hpihsd\" data-start=\"443\" data-end=\"474\"\u003eUnderseat installation design\u003c\/li\u003e\n\u003cli data-section-id=\"vsc9x2\" data-start=\"475\" data-end=\"505\"\u003eHigh-output ported enclosure\u003c\/li\u003e\n\u003cli data-section-id=\"1lc9zm0\" data-start=\"506\" data-end=\"535\"\u003eHeavy-duty MDF construction\u003c\/li\u003e\n\u003cli data-section-id=\"1os53av\" data-start=\"536\" data-end=\"581\"\u003eMaximizes bass while preserving cabin space\u003c\/li\u003e\n\u003cli data-section-id=\"1huuyu3\" data-start=\"582\" data-end=\"612\"\u003eOEM-style fit and appearance\u003c\/li\u003e\n\u003cli data-section-id=\"1ofg289\" data-start=\"613\" data-end=\"646\"\u003eDurable automotive-grade finish\u003c\/li\u003e\n\u003cli data-section-id=\"1q27kgs\" data-start=\"647\" data-end=\"699\"\u003eExcellent for daily-driver and high-output systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"701\" data-end=\"719\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-start=\"720\" data-end=\"1254\"\u003e\n\u003cli data-section-id=\"12hz1zg\" data-start=\"720\" data-end=\"772\"\u003eProduct Type: Vehicle-Specific Subwoofer Enclosure\u003c\/li\u003e\n\u003cli data-section-id=\"7kgmdu\" data-start=\"773\" data-end=\"792\"\u003eModel: QBGMC04212\u003c\/li\u003e\n\u003cli data-section-id=\"1qzhrf5\" data-start=\"793\" data-end=\"843\"\u003eSubwoofer Compatibility: Dual 12-inch subwoofers\u003c\/li\u003e\n\u003cli data-section-id=\"u05ryg\" data-start=\"844\" data-end=\"868\"\u003eEnclosure Type: Ported\u003c\/li\u003e\n\u003cli data-section-id=\"xtu6k1\" data-start=\"869\" data-end=\"972\"\u003eVehicle Fitment:\n\u003cul data-start=\"890\" data-end=\"972\"\u003e\n\u003cli data-section-id=\"qb4qn9\" data-start=\"890\" data-end=\"934\"\u003e2004-2006 Chevrolet Silverado Extended Cab\u003c\/li\u003e\n\u003cli data-section-id=\"1mpi6mv\" data-start=\"937\" data-end=\"972\"\u003e2004-2006 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ss64od\" data-start=\"973\" data-end=\"1009\"\u003eMounting Location: Under rear seat\u003c\/li\u003e\n\u003cli data-section-id=\"1kh4ogo\" data-start=\"1010\" data-end=\"1043\"\u003eConstruction Material: MDF wood\u003c\/li\u003e\n\u003cli data-section-id=\"1fog54f\" data-start=\"1044\" data-end=\"1097\"\u003eFinish: Black automotive carpet or bedliner coating\u003c\/li\u003e\n\u003cli data-section-id=\"1huubxt\" data-start=\"1098\" data-end=\"1156\"\u003eAir Space: Approximately 1.25–1.5 cubic feet per chamber\u003c\/li\u003e\n\u003cli data-section-id=\"16cjbpv\" data-start=\"1157\" data-end=\"1205\"\u003eMaximum Mounting Depth: Approximately 6 inches\u003c\/li\u003e\n\u003cli data-section-id=\"1jwq7sr\" data-start=\"1206\" data-end=\"1254\"\u003ePort Tuning Frequency: Approximately 35Hz–38Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nwhm4w\" data-start=\"1256\" data-end=\"1281\"\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"1282\" data-end=\"1305\"\u003eCompatible with select:\u003c\/p\u003e\n\u003cul data-start=\"1306\" data-end=\"1390\"\u003e\n\u003cli data-section-id=\"oum2xw\" data-start=\"1306\" data-end=\"1352\"\u003eChevrolet Silverado Extended Cab (2004-2006)\u003c\/li\u003e\n\u003cli data-section-id=\"job8l2\" data-start=\"1353\" data-end=\"1390\"\u003eGMC Sierra Extended Cab (2004-2006)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Qpower","offers":[{"title":"Default Title","offer_id":47219135742101,"sku":"210000001782","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/3815\/6949\/files\/QBGMC122004_2_6888cdde-bc2d-4333-982b-5ffd12d381b1.jpg?v=1779315717","url":"https:\/\/slanginsound.com\/products\/qbgmc04212","provider":"Slangin Sound and Tint","version":"1.0","type":"link"}