New Autotek MMA1500.1 1500 Watt Mono Amplifier Mean Machine Car Audio Amp 375 Watts RMS x 1 @ 4 ohms 750 Watts RMS x 1 @ 2 ohms Total Peak Power: 1500 Watts Variable low-pass filter: 30 - 250 Hz Variable Bass Boost: 0 to +9 dB bass boost