Technical Pro SUB1822 Subwoofer, Black 2000 watts peak power 18 Inch Aluminum frame, 3 Inch voice coil, 90 oz. magnet Built in 150Hz crossover with switchable low-pass output Single pole mount, 2 Integral carry handles Inputs: 1/4 Inch (6.35mm), Speakon - Frequency Response: 30Hz-300Hz