Skar Audio VD-15 D2 15" 500W RMS Dual 2 VD Series Subwoofer High Grade Foam Surround High Grade Paper Cone 500 watt RMS Audio Shallow Mount Woofer &#45; Dual 2 OhmSpecifications Size&#58; 15 in&#46; Dimension&#58; 18 H x 18 W x 18 L