Using Audio over network to supply multi-purpose zones with local input and control.

Multi-Zone audio system for music, teaching and events. The addition of the ME-1A, LE-1A and BE-1A provides flexibility for expansion as required. Each of the three zones can be optimized with level and source selection per zone. For safety an external fire alarm and paging relay can be connected to mute all audio in the event of an announcement or emergency. An output to the assistive listening system is provided for those with impaired hearing.