- Bogen multi-zone paging controller- 3 to 12 Zone- Provides multi-zone paging for one-way applications such as self-amplified speaker systems with each output capable of providing audio for up to 150 self-amplified speakers- Compatible with all standard analog port types- Comes with a pre-installed ZX3 module for three zones of paging and is expandable up to 12 zones- Offers up to 24 programmable paging zone groups as well as all-call auto select override night ring two tone triggers and code calling