Kicker 40CWD122 CompD Series 12 inch Subwoofer Dual 2 Ohm Kicker 40CWD122 12" Dual 2-Ohm Comp-D Series Subwoofer Power Handling: 600 Watts Peak / 300 Watts RMS Subwoofer Size: 12" Subwoofer Design: Round / Circle Woofer Composition Injection Molded Polypropylene (Impp)