Kicker 40CWR102 CompR Series 10 inch Subwoofer 2 Ohm Kicker 40CWR102 10" CompR10 Car Subwoofer Power Rating: 1200 Watts Peak / 600 Watts RMS Impedance: 2-Ohm Best subwoofer in its class Workhorse woofer with advanced components and superior technology