Kicker 40CWD152 15" 1200 Watts Peak /600 Watts RMS Dual 2-Ohm Car Subwoofer With High-Strength Spiralead&trade; Technology Kicker 40CWD152 15" Dual 2-Ohm Comp-D Series Subwoofe Power Handling: 1200 Watts Peak / 600 Watts Rms Subwoofer Size: 15" Subwoofer Design: Round / Circle Woofer Composition Injection Molded Polypropylene (Impp)