PORTABLE PA AUDIO DJ POWER professional MIXER/MIX WITH AMPLIFIER, (USB optional) *4 channel(mic and line)input,USB/SD/MMC slot input*2-band EQ for each chanel*Each channel with digital reverb effect,with level control*Effect loop with send and return connector*Effect with echo,delay and level controls*Input AC 110V and 220V*Power amplifier:100W/@8ohm,