Kicker 40CWD84 8" CompD Car Subwoofer - Each (Black) Kicker 40CWD84 8" Dual 4-Ohm Comp-D Series Subwoofer Power Handling: 400 Watts Peak / 200 Watts RMS Woofer Composition Injection Molded Polypropylene (Impp) Woofer Surround Ribbed Poly-Foam High-Strength Spiralead Tinsel Leads