Audio2000'S AKJ780E Portable Karaoke System All-In-One portable karaoke system containing a USB reader, a SD card reader, and a multi-format CD player with direct access supporting mist of CD formats. Digital key control and digital echo with repeat and delay controls for vocal enhancement Including two 1/4" microphone inputs and two balanced-XLR microphone inputs with individual volume controls and including 1/4" guitar and keyboard inputs with individual volume controls Including vocal cancel and vocal partner modes for canceling vocals from multiplexed media Three effect inserts, 7-band equalizer, three RCA audio-video inputs, two RCA audio-video outputs, one stereo 1/4" audio pre-out, and DVD 5.1 audio-video outputs