Dual 10-inch 2, 000 Watt Max Power Up-firing Loaded Subwoofer Enclosure ^^ Compatible with 2007-2013 Chevy Silverado/GMC Sierra Extended Cab Trucks (Fits under Rear Seat of Cab) ^^ Features x2 Skar Audio VS-10 D4 (dual 4-ohm) 10" 1, 000 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 ^^ Pre-Installed Grill Covers Ensure Durability And Protection