(1kHz) Channel separation: >60dB Audio Amplifier Maximum power output: 180W (45W x 4) Speaker impedance: 4 (4 to 8 allowable) Input Audio input sensitivity: High: 320mV (at 1V output) Mid: 650mV (at 1V output) Low: 1.3V (at 1V output) (input impedance 10 k or greater) Aux-...