Amplifier function: Integrated media player with display,Playback formats: MP3, WAV 
USB TIF card slot, Bluetooth, TWS, FM Radio,ECHO
Switchable Phase function
Master, Microphone, MP3, SUB, Array line Volum Control
1 Channel RCA/AUX jack for Line input
2 Channel Stereo TRX/XLR Combo Jack for  Line input( Left+Right)
2 Channel Stereo XLR Jack for Mix Line out(Left+Right)
2 Channel XLR Jack for Microphone input
Power and Limit indicator
Cooling Fan protector
1 Speaker out for passive subwoofer
2 Speaker out for array line
Selectable 115V/230V Voltage