A versatile 4 zone mixer with 5 input channels. Each zone has screw terminal balanced outputs and independent volume controls. Each input has a gain, volume, bass and tone control, mute switch and switches to send the source to any combination or all zones. Input channels 1 to 4 are XLR/jack combo sockets, these can be switched for line or microphone. Input channel 5 is a stereo line level RCA socket. Other futures include, Telephone/paging input (zone selectable) with adjustable level, monitor function with level control and LED VU meter, output for monitor loudspeaker: 1W, 8O. The unit is 3U rack mountable