Technical Pro SW-1201 12-Inch Powered (Active) 1000 Watt Subwoofer (Single, Black) (Discontinued by Manufacturer) 1000 watts peak power Woofer: 12-inch, 30 oz, 1.375-inch voice coil Crossover - Adjustable Low-Pass Filter: 40Hz-180Hz Inputs: RCA - bare speaker wire - Outputs: bare speaker wire (high pass-through) Sensitivity: 95 2dB - Impedance: 6 ohms