The Q Power QBGMC/AVALANCHE10 is a custom dual 10-inch sealed subwoofer enclosure designed specifically for 2002–2013 Chevy Avalanche and Cadillac Escalade EXT models. Built for under-seat installation, this enclosure maximizes bass performance while preserving factory interior space and rear-seat functionality. Featuring divided sealed chambers and durable MDF construction, it’s a popular option for clean OEM-style bass upgrades in Avalanche and EXT trucks. Features & Highlights Custom-fit dual 10-inch subwoofer enclosure Designed for Chevy Avalanche and Cadillac Escalade EXT Fits 2002–2013 models Under-seat installation design Sealed divided chamber construction OEM-style fitment Heavy-duty MDF construction Spring-loaded terminal cups Compact low-profile enclosure Optimized for shallow and standard-depth 10-inch subwoofers Designed to preserve cabin space Specifications Specification Details Enclosure Type Dual 10" Sealed Vehicle Fitment Chevy Avalanche / Cadillac Escalade EXT Vehicle Years 2002–2013 Subwoofer Size Dual 10-Inch Air Space 0.5 cu. ft. per chamber Construction Material MDF Terminal Type Spring-loaded Mounting Style Under-seat Chamber Design Divided Sealed Finish Automotive Carpet or Bedliner (varies by version) Compatible Vehicle Applications 2002 Chevrolet Avalanche 2003 Chevrolet Avalanche 2004 Chevrolet Avalanche 2005 Chevrolet Avalanche 2006 Chevrolet Avalanche 2007 Chevrolet Avalanche 2008 Chevrolet Avalanche 2009 Chevrolet Avalanche 2010 Chevrolet Avalanche 2011 Chevrolet Avalanche 2012 Chevrolet Avalanche 2013 Chevrolet Avalanche 2002–2013 Cadillac Escalade EXT
