The Ground Shaker GS-STCC212B is a premium custom-fit dual 12-inch sealed subwoofer enclosure engineered specifically for 2007–2026 Chevy Silverado and GMC Sierra Regular Cab trucks. Designed for maximum bass performance while maintaining factory interior space, this enclosure delivers deep, tight, and accurate low-frequency response in a clean OEM-style fitment. Constructed from high-quality MDF wood and wrapped in a durable trunk liner finish, the GS-STCC212B features dual sealed chambers optimized for sound quality and subwoofer performance. Its forward-firing design enhances bass output directly into the cabin while allowing installation without removing the center console. Features Custom-fit design for Chevy Silverado & GMC Sierra Regular Cab trucks Dual 12-inch sealed subwoofer enclosure Forward-firing subwoofer configuration Dual independent sealed chambers Durable black trunk liner carpet finish High-quality MDF wood construction Heavy-duty binding post terminals Optimized for tight, accurate bass response Fits behind rear seat No need to remove center console during installation Specifications Subwoofer Size: Dual 12” Enclosure Type: Sealed Total Air Volume: 1.50 ft³ Air Volume Per Subwoofer: 0.75 ft³ Cutout Diameter: 11-1/8” Maximum Mounting Depth: 6-3/4” Number of Chambers: 2 Independent Chambers Dimensions: Height: 13-3/4” Length: 53-1/4” Top Depth: 5” Bottom Depth: 9” Construction Material: 5/8” MDF Wood Finish: Black Carpet / Trunk Liner Weight: Approx. 42 lbs
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