Brand New GMD-9701 Pioneer Amplifier with Free Shipping Car Audio Mono block 1-channel Class D AmplifierModel: GM-D9701 GM Digital SeriesMax Power Rating:4 ohms: 500 watts x 1 channel2 ohms: 800 watts x 1 channel1 ohm: 1200 watts x 1 channelMax power output: 2400 watts x 1 channelHigh quality textured flat panel and tough frameBass Boost Remote1 Ohm StableFrequency Response: 10 Hz to 240 HzTotal Harmonic Distortion (THD): < 0.5% (100 Hz)Signal-to-Noise (SN) Ratio: > 100 dBLow-Pass Crossover Frequency: 40 HzLow Pass Slope (dB/octave): -12dBHigh-Pass Crossover Frequency: 240 HzBass Boost Frequency: 50 HzBass Boost Level: 0 dB to 18 dBHi-Volt Input Level Control: 200 mV to 6.5 VTerminal Type: BlockLoad Impedance Allowance (Ohms): 1 to 8Protection Control SystemDimensions: 12-3/8″ x 2-3/8″ x 7-7/8″