● Total volume adjustment function

● The microphone, reverb and music volume are independently adjusted

● Bass reverb, treble, time, repeated times adjustment

● Low, medium and high EQ adjustment for microphone and music

● 8 route input and 6 route output

● 4 way microphone input

● USB/SD Mp3 player function

● Left and right channel, front and back channel volume adjustment function

● Stereo /4 channel input conversion function

● 2-channel 4-channel input function