Audio Power Amplifier, Professional Audio Power amplifier,Karaoke Amplifier,Digital amplifier, DSP Amplifier, Features of audio power amplifier: * Parameter displayed By LCD;* ... balance, Treble, and Bass Control;* Four music & video input source selection* Five microphones jack (3Front/2Rear) ... even if high gain control. Specifications of audio power amplifier: Model:SA-8270Output power(RMS) 1KHz ...