Designed for distributed business paging and background music systems, small to medium speech privacy systems and where MOH plus paging is required, 35W at 8 ohms and 25/ 70V, 3 input channels, 50 Hz to 20 kHz, dip switch selectable matrix allows creation of zone 2 mix from any or all input sources for music or messaging on hold, inputs: 1 microphone, 2 stereo line, 2 run, 1/2 wide, 9.5"W x 4.1"H x 13.9"D (with feet), 8.2 lbs.