POWER P.A. AMPLIFIER,PUBLIC BROADCASTING AMPLIFIER WITH USB,PUBLIC ADRESS SYSTEM AMPLIFIER *3 AUX input,2 MIX input,1AUX output*USB/SD/MMC slot input*MIC 2 works,muffle the sound of background voice,prelude & mic 2 always be in front of other channels*5 channel with on/off control separately*with master High,low EQ*Relible shotcut,overload,overheat protection*output voltage:120V,output impedance: ...