3 Zone Rackmount Stereo Program Distribution & Paging System with 3 Stereo zone outputs, 4 stereo line and 2 mono mic/line shared inputs, 1 paging mic input, 3 remote panel connections. 5 band EQ for each zone output. Designed for foreground / background stereo systems. Expandable to 6 stereo zones with the addition of a second unit.