Dual 12-inch 1, 600 Watt Max Power Down-firing Loaded Subwoofer Enclosure ^^ Compatible with 2014-2018 Chevy Silverado/GMC Sierra Crew Cab Trucks (Fits under Rear Seat of Cab) ^^ Features x2 Skar Audio VD-12 D4 (dual 4-ohm) 12" 800 Watt Max Power Subwoofers ^^ Subwoofers Come Loaded and Pre-wired to a 1-ohm Final Impedance Load at the Terminal Wiring Cup ^^ Deep & Responsive Bass Output ^^ Finished in a Premium Automotive Grade Black Trunk-liner Carpeting