8 channels mic/line input; Can add MP3 decode/U disk , SD card input with LCD display . 8 channels mic/line input ;keyboard control.TAPY input REC output . Effect send .Reverb effect .Dual-7 band equalizer ,Main output/Monitor port .48V Switch control , Output level display2x200W@4ohm power outputCan add MP3 decode/U disk , SD card input with LCD display .