PLE‑10M2‑EU Plena Mixer
6 microphone/line inputs, plus 3 music source
inputs
100 V, telephone and a call station input with
priority & VOX
2 zones and 2-channel operation
Voice-activated emergency override
2-tone chime built in, 7 more chimes optional with
call station
http://resource.boschsecurity.com/documents/Data_sheet_enUS_1880860683.pdf