(2) Skar Audio VD-10 D2 10" 500W RMS Dual 2 Shallow Mount Subwoofer Sold as a Package - Includes 2 VD-10 D2 10-Inch Dual 2 Ohm Shallow Mount Subwoofer Peak Power : 800 Watts RMS Power : 500 Watts Shallow Mount Design - Mounting Depth : 4.41" Pressed Paper Cone