Fermax Speech Amplifier 9697
 
The Fermax Speech Amplifier 9697 is for use with City Classic door entry panels by FERMAX. It is a direct replacement for the 1145 speaker module and uses VDS wiring, making it compatible with both audio and video entry systems.
 
The module features high quality full duplex speech (two way) and individual volume control for the speaker and microphone. It is suitable for large installations which have up to 199 residents within a 200m distance.
 
Features:
 
Full duplex speech
Volume control for microphone and speaker
Wiring: VDS (3 wire bus)
Maximum distance: 200m
Power supply for audio: 18V DC
Operating temperature: -10 to +60 degrees C