Power Acoustik MOFO 12-Inch Competition Subwoofer Dual 2-Ohm Voice Coils Max power: 2700 watts. Aluminum Dust Cap Fins Dissipate Heat RMS power: 1350 watts Dual 2 ohm 12-inch competition woofer with patent pending heatsink Cloth Paper Composite 4-spline heatsink. Dual Conex Spiders UV coated foam surround This item is non-returnable.