QPower Dual 12" Sub Box for Chevy Silverado XCab and GMC Sierra XCab 2007-2013

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.

• Compatible with 2007, 2008, 2009, 2010, 2011, 2012, and 2013 Chevy Silverado XCab and GMC Sierra XCab; Not compatible with Crew Cab models
• Accommodates vehicles with a high transmission hump under the seat for clean, no-compromise installation
• Dual enclosure supports dual 12-inch subwoofers for stronger, more immersive bass performance
• Downfire design directs bass toward the floor for tighter, more controlled low-frequency response
• Compact underseat layout saves valuable cabin space while upgrading your audio system
• Internal air space of 0.80 cubic feet per subwoofer optimizes sound quality and bass depth
• Supports subwoofers with up to a 5.5 inch mounting depth for broad compatibility
• Finished in a rugged bed liner coating to resist wear, moisture, and daily truck use
• Durable MDF construction delivers long-lasting reliability in demanding driving conditions
• Enhances low-frequency output without overpowering the cabin for balanced, rich sound
• Ideal solution for custom and high-performance truck audio builds
• Material: MDF Wood
• Air space: 0.80 cubic feet
• Cutout diameter: 11 inches
• Mounting depth: 5.5 inches
• Manufacturer warranty: 1-year warranty

Shipping Information

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Most orders placed before 2:00 PM CST ship the same day.

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