--- title: "QPower - Dual 12\" Sub Box for Chevy Silverado XCab and GMC Sierra XCab 2007-2013 | OzSavers" description: "Upgrade your truck’s sound system with the QPower GMC12-2007-HT 2-Hole 12" Underseat Subwoofer Enclosure, engineered to deliver powerful, accurate bass without sacrificing interior space. Compatible with 2007, 2008, 2009, 2010, 2011, 2012, and 2013 Chevy Silverado XCab and GMC Sierra XCab trucks, this enclosure is precision-built to fit vehicles with a high transmission hump under the seat, ensuring a seamless, factory-style installation. Not compatible with Crew Cab models.This downfire enclosure houses two 12-inch subwoofers, directing bass toward the floor for tighter, more controlled low-frequency response. With 0.80 cubic feet of internal air space per subwoofer and a 5.5-inch mounting depth, it provides an acoustic environment for deep, impactful bass that enhances every drive—whether you’re cruising the highway or working the jobsite.Finished in a rugged bed liner coating, the sub enclosure is made to handle daily wear, temperature changes, and the demands of truck life while maintaining a clean, professional appearance. Its compact underseat design keeps your cabin open and functional, preserving legroom and storage while significantly upgrading your audio performance.Perfect for custom and high-performance truck audio systems, the speaker box combines durability, precise fitment, and optimized low-frequency output. If you want richer sound, strong bass response, and a clean install tailored to your X-Cab truck, this QPower GMC12-2007-HT enclosure delivers performance you can hear and reliability you can trust. US$112.99 at Best Buy." lang: en-US json-ld: | [ { "@context": "https://schema.org", "@type": "Product", "@id": "https://ozsavers.com/p/best-buy/12151750#product", "isPartOf": { "@id": "https://ozsavers.com/#website" }, "itemCondition": "https://schema.org/NewCondition", "name": "QPower - Dual 12\" Sub Box for Chevy Silverado XCab and GMC Sierra XCab 2007-2013", "image": "https://pisces.bbystatic.com/image2/BestBuy_US/images/products/60e26a54-8c2e-4e43-8c12-c1891e0293c8.jpg?maxHeight=500&maxWidth=500", "description": "Upgrade your truck’s sound system with the QPower GMC12-2007-HT 2-Hole 12\" Underseat Subwoofer Enclosure, engineered to deliver powerful, accurate bass without sacrificing interior space. Compatible with 2007, 2008, 2009, 2010, 2011, 2012, and 2013 Chevy Silverado XCab and GMC Sierra XCab trucks, this enclosure is precision-built to fit vehicles with a high transmission hump under the seat, ensuring a seamless, factory-style installation. Not compatible with Crew Cab models.This downfire enclosure houses two 12-inch subwoofers, directing bass toward the floor for tighter, more controlled low-frequency response. With 0.80 cubic feet of internal air space per subwoofer and a 5.5-inch mounting depth, it provides an acoustic environment for deep, impactful bass that enhances every drive—whether you’re cruising the highway or working the jobsite.Finished in a rugged bed liner coating, the sub enclosure is made to handle daily wear, temperature changes, and the demands of truck life while maintaining a clean, professional appearance. Its compact underseat design keeps your cabin open and functional, preserving legroom and storage while significantly upgrading your audio performance.Perfect for custom and high-performance truck audio systems, the speaker box combines durability, precise fitment, and optimized low-frequency output. If you want richer sound, strong bass response, and a clean install tailored to your X-Cab truck, this QPower GMC12-2007-HT enclosure delivers performance you can hear and reliability you can trust.", "brand": { "@type": "Brand", "name": "QPower" }, "sku": "12151750", "mpn": "GMC12-2007-HT", "offers": { "@type": "Offer", "itemCondition": "https://schema.org/NewCondition", "hasMerchantReturnPolicy": { "@type": "MerchantReturnPolicy", "applicableCountry": "US", "returnPolicyCategory": "https://schema.org/MerchantReturnFiniteReturnWindow", "merchantReturnDays": 30, "returnMethod": "https://schema.org/ReturnByMail", "returnFees": "https://schema.org/FreeReturn" }, "shippingDetails": { "@type": "OfferShippingDetails", "shippingDestination": { "@type": "DefinedRegion", "addressCountry": "US" }, "deliveryTime": { "@type": "ShippingDeliveryTime", "handlingTime": { "@type": "QuantitativeValue", "minValue": 0, "maxValue": 2, "unitCode": "DAY" }, "transitTime": { "@type": "QuantitativeValue", "minValue": 2, "maxValue": 7, "unitCode": "DAY" } } }, "url": "https://ozsavers.com/p/best-buy/12151750", "priceCurrency": "USD", "availability": "https://schema.org/InStock", "seller": { "@type": "Organization", "name": "Best Buy" }, "price": 112.99, "priceValidUntil": "2026-09-15T00:32:31.821Z" } }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "@id": "https://ozsavers.com/p/best-buy/12151750#breadcrumb", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "home", "item": "https://ozsavers.com/" }, { "@type": "ListItem", "position": 2, "name": "QPower", "item": "https://ozsavers.com/brand/qpower" }, { "@type": "ListItem", "position": 3, "name": "QPower - Dual 12\" Sub Box for Chevy Silverado XCab and GMC Sierra XCab 2007-2013", "item": "https://ozsavers.com/p/best-buy/12151750" } ] } ] --- [ozsavers ](/) shop by brand ▾ [about](/about-ozsavers)[articles](/articles)menu ☰ [home](/)/ [qpower](/brand/qpower)/ car electronics ![QPower - Dual 12" Sub Box for Chevy Silverado XCab and GMC Sierra XCab 2007-2013](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/60e26a54-8c2e-4e43-8c12-c1891e0293c8.jpg?maxHeight=500&maxWidth=500) QPower # QPower - Dual 12" Sub Box for Chevy Silverado XCab and GMC Sierra XCab 2007-2013 US$112.99 US$124.95 −10% save US$11.96 Price checked 2 hours ago at Best Buy Upgrade your truck’s sound system with the QPower GMC12-2007-HT 2-Hole 12" Underseat Subwoofer Enclosure, engineered to deliver powerful, accurate bass without sacrificing interior space. Compatible with 2007, 2008, 2009, 2010, 2011, 2012, and 2013 Chevy Silverado XCab and GMC Sierra XCab trucks, this enclosure is precision-built to fit vehicles with a high transmission hump under the seat, ensuring a seamless, factory-style installation. Not compatible with Crew Cab models.This downfire enclosure houses two 12-inch subwoofers, directing bass toward the floor for tighter, more controlled low-frequency response. With 0.80 cubic feet of internal air space per subwoofer and a 5.5-inch mounting depth, it provides an acoustic environment for deep, impactful bass that enhances every drive—whether you’re cruising the highway or working the jobsite.Finished in a rugged bed liner coating, the sub enclosure is made to handle daily wear, temperature changes, and the demands of truck life while maintaining a clean, professional appearance. Its compact underseat design keeps your cabin open and functional, preserving legroom and storage while significantly upgrading your audio performance.Perfect for custom and high-performance truck audio systems, the speaker box combines durability, precise fitment, and optimized low-frequency output. If you want richer sound, strong bass response, and a clean install tailored to your X-Cab truck, this QPower GMC12-2007-HT enclosure delivers performance you can hear and reliability you can trust. retailer Best Buy category Car Electronics availability in stock model GMC12-2007-HT tracking since Sep 14 [view at best buy →](https://bestbuy.7tiv.net/c/7716023/2711001/10014?prodsku=12151750&u=https%3A%2F%2Fwww.bestbuy.com%2Fproduct%2Fqpower-dual-12-sub-box-for-chevy-silverado-xcab-and-gmc-sierra-xcab-2007-2013%2FJ3L3KLXL8C&intsrc=APIG_21610&subId1=491b25e608a3494f842c5a0d76383cd5) we earn a [commission](/disclosure) when you buy through our links. it never changes what you pay. keep comparing ## more from qpower. 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