Kicker 12PX200.1 Compact mono subwoofer amplifier 200 watts RMS x 1 at 1/2 ohm
100 watts RMS x 1 at 1 ohms (200 watts RMS x 1 at 0.5 ohms). mono subwoofer amplifier (works in any vehicle with a 12-volt charging system). Direct Amp Technology results in 90% efficiency. selectable bass boost (0, 6 dB at 60 Hz).