Two hard hitting 12" Subwoofers and Amplifier Kit with Manual, All BRAND NEW! Amplifier: 2 channels; bridgeable Amplifier: 500W continuous power @ 4 ohms, bridged Amplifier: 300W x 2 @ 2 ohms RMS Amplifier: 200W x 2 @ 4 ohms RMS Amplifier: high-pass crossover 45-300Hz; low-pass crossover 45-300Hz Amplifier: 0, 12dB bass boost Amplifier: 50dB channel separation Subwoofer: 400W peak power handling Subwoofer: 200W continuous power handling Subwoofer: 82 oz. magnet size Subwoofer: plating injection-molded cone with polypropylene material; linear spider for improved mechanical stability Includes 2 subwoofers and 1 amplifier Dimensions Height Subwoofer: 6-3/4"; Amplifier: 2-3/4" Width Subwoofer: 12-1/2"; Amplifier: 10-1/4" Depth Subwoofer: 12-1/2"; Amplifier: 18-1/2" Weight Subwoofer: 10.8 lbs.; Amplifier: 24.25 lbs. Other Subwoofer Size 12" Built in Crossover Yes Bottom Mount Depth (inches) 6 Woofer Composition Injection-molded polypropylene cone Woofer Surround Rubber