Complete your Chevy Avalanche’s audio upgrade with this all-in-one custom subwoofer package designed for 2002–2013 models. The bundle includes a dual 10-inch sealed subwoofer enclosure that fits neatly under the rear seat, plus two Rockford Fosgate R1S410 10" subs, one R1S412 12" sub, and a full Harmony Audio 8GA amp wiring kit for clean, powerful sound installation.
The enclosure is crafted from premium MDF, finished with high-quality black carpet, and built to accommodate up to 4.5" mounting depth with 0.48 cu. ft. air space per sub. Rockford Fosgate subs feature anodized aluminum voice coil formers and stamped steel baskets, engineered for sealed enclosures. The included Harmony Audio amplifier kit provides all the necessary wiring and hardware to ensure reliable and efficient power delivery. This package delivers a complete, space-saving bass upgrade with everything needed for installation.
