... , pa amplifier, KTV amplifier, pro audio, stereo amplifier. karaoke power amplifier, digital processor, pro sound equipment, professional audio system, professional ... microphone or computerRs232 terminal.6.No noise protect function when power on, Low cut of the main channel music(20Hz ... parameter storage.13.Reliable SMT.14.Parameter displayed by LCD.15.Multiple AV input auto detecting fuction.16.The ...