POWER P.A. AMPLIFIER,PUBLIC BROADCASTING AMPLIFIER WITH USB,PUBLIC ADRESS SYSTEM AMPLIFIER *1 AUX input,2 MIC input*USB/SD/MMC slot input,LED Display*Input power:AC 110V and 220V/DC12V*Strong siren unit system*Output voltage: DC 25V-75V*Output inpedence: 4- 16ohm*With hanger for wehicle*Max power: 50 W