(2) Skar Audio VD-12 D2 12" 500W RMS Dual 2 Shallow Mount Subwoofer Sold as a Package - Includes 2 VD-12 D2 12-Inch Dual 2 Ohm Shallow Mount Subwoofer Peak Power : 800 Watts RMS Power : 500 Watts Shallow Mount Design - Mounting Depth : 4.92" Pressed Paper Cone