New VM Audio EXA2000.4 2000W 4 Channel Car Amplifier Power Amp MOSFET Stereo 4/3/2 power subwoofer car amplifier Fidelity Class A/B High-cycle DC-to-DC PWM MOSFET power supply Noise reduction single star ground system Discrete buffered unbalanced input stage 4/3/2 power subwoofer car amplifier Fidelity Class A/B High-cycle DC-to-DC PWM MOSFET power supply Noise reduction single star ground system Discrete buffered unbalanced input stage Onboard multi-stage low noise signal processing Low distortion powerful MOSFET output stage Active second order high/ low crossover filter Soft-power dedicated turn-on circuit SelfGuard protection: Thermal, short-circuit, over-current, over-voltage, and under-voltage Adjustable input signal gain control Continuous variable bass boost gain Continuous adjustable lowpass filter Continuous adjustable highpass filter Power and protection LED indicator Nickel-plated brass block speaker and power terminals Type: MOSFET Channels: 4 Total power: 2000 watts RMS power @ 4 ohm: 250 watts x 4 Peak power @ 2 ohm: 500 watts x 4 Peak power @ 4 ohm bridged: 1000 watts x 2 Minimum impedance unbridged: 2 Minimum impedance bridged: 4 Frequency response: 20Hz-20kHz Single to noise ratio: 105 dB Circuit type: A/B Protection circuit: 5 way Low/ highpass crossover: 50Hz-250Hz Preamp outputs: 1 pair Bass boost: 0dB-12db Power indicator: Yes Terminals: Nickel plated Power/ ground connection: 4-gauge Input voltage: 14.4V Fuse: 2x25A Dimensions: 14.33 x 9.65 x 2.17 inches