●100V & 4-16Ω,rated power  250W
●6 zones with 100V output and with individual volume control
●Built-in MP3 player by USB & SD and FM tuner.
●4 microphone inputs, Mic 1 with priority and muting function
●3 aux line input & 1 aux line output and with chime output
●Each microphone and line input with individual volume control
●Bass and treble control
●Short circuit, overload and high temp protection