We are manufacturer, professional public address system 1, LCD screen, chinese/English display. 2, Connect with amplifiers. ... ~240V/50HzDimensions485*390*88mm We are manufacturer, professional public address system 1.LCD screen, chinese display. 2.Light touch button, operating ... .Inner within 6*16 Auxes sellector. 4.Outside control the audio ,128 Aux areas,128 power. 5.Telephone control it so ...