QPower - Quad 8" Sub Box - Chevy Silverado Crew Cab, GMC Sierra Crew Cab 2007-2026 - Charcoal Black

Give your GMC or Chevy's audio system a rockin' sound with this Q-Power Dual 12-Inch Subwoofer Box.This sub box is for 2014-2016 crew cab trucks and is finished with a bed liner coater for enhanced durability. It is compatible with 12-inch speakers and sealed for universal downfire under the seat. It fits in most trucks and is ready to deliver deep and powerful bass. It features high-quality spring-loaded terminals and 0.9 cubic feet of air space.Take your ride from boring to bumping with this Q-Power Dual 12-Inch Sub Box. You'll feel like you are at your own concert with every drive.

Dual L7T Truck-Specific Enclosures provide impactful bass and install under the back seat to retain cab space and legroom. It’s simple – more cone area means more air moves – for more bass and up to 20% more cone area than a conventional round sub. KICKER acoustic engineers put the largest voice coil and magnet we’ve ever integrated into a thin sub, then added a next-level top-plate design, unique heat management system and our signature cone stitching all help to give you deep bass and outstanding reliability in a single, mind-blowing design that gives you max output!

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.