Features
12 Channel Mic/line combined socket
Gain + 4band EQ+ 3AUX (including 1FX) + MUTE + SOLO
With +48v Phantom power each channel for condenser microphone
With 20dB attenuation and Hi-Z for bass guitar 
With U-Disk MP3 INPUT, which could also be connected with computer for recording and playing music
With Bluetooth function
With individual computer interface for playback and stereo recording from computer
With recording MP3
bUILT-IN 99dsp effector