AudioRouter channels audio signals from microphone, telephone, or tone generator to one, several, or all PA zones in facility. Console also plays recorded messages at specified intervals. It runs on 24 Vdc or 120/240 Vac; carries UL listing; and accepts 5 levels of input: 25 Vrms, 70 Vrms, 1 V pp, telephone, and local microphone. Front panel pushbuttons let operator program up to 8 multi-zone groups.