Kicker 40CWRT121 CompRT Series 12 inch Subwoofer Dual 1 Ohm New Kicker 40CWRT121 12" 1600 Watt Car Subwoofer True shallow-mount subwoofer great for compact cars or even motorcycle saddlebags Suitable for the trickiest installations Works best with KICKER KX-Series Amplifiers Large-diameter, progressive-roll spider