VocoPro DA-2200Pro Professional Digital Key Control/Digital Echo Mixer Hook this professional digital Karaoke mixer up to your existing DVD, CD+G, LaserDisc or CD player and add the excitement of Karaoke to your sound system today! With it’s wide variety of excellent Karaoke functions, you’ll be ready hit the stage like a star. 11 step digital Key-controller Professional digital echo with repeat and delay controls Multi audio control Twin stereo audio/video inputs allow two separate A/V sources to be used Music bass, treble and volume controls Microphone master, bass and treble controls Six mic inputs with three separate volume controls 19 rack mountable design Echo on/off switch on all three mic channels 110/220V Switchable Hook this professional digital Karaoke mixer up to your existing DVD, CD+G, LaserDisc or CD player and add the excitement of Karaoke to your sound system today! 11 step digital Key-controller Professional digital echo with repeat and delay controls Multi audio control Twin stereo audio/video inputs allow two separate A/V sources to be used Music bass, treble and volume controls Microphone master, bass and treble controls Six mic inputs with three separate volume controls 19 rack mountable design Echo on/off switch on all three mic channels 110/220V Switchable.