POWER ACOUSTIK EG4-1000 Edge Series Full-Range Class AB Amp (4 Channels, 1,000 Watts max)Class AB 2ohm stereo & 4ohm bridged full range operation Military grade PCB with PWM MOSFET power supply Direct short, thermal & overload circuit protection High speaker level & low level RCA inputs 200mV 6V low level RCA inputs 4 gauge power wire & 8 gauge speaker wire outputs Variable 12dB high & low pass crossovers 12dB bass boost increases low octave harmonics 4 channels 1,000W max 65W RMS x 4 @ 4ohm 125W RMS x 4 @ 2ohm 250W RMS x 2 @ 4ohm bridged