GIRA 125800 intercom system accessory Speaker module

GIRA 125800 intercom system accessory Speaker module

Built-in speaker for mounting in letterbox systems, voice compartments, door-side installations or front plates.
Up to eight mechanical bell buttons can be connected to the screw terminals provided.
Signal transmission and power supply of speaker via reverse-polarity-protected and short-circuit-proof 2-wire bus.
Compact size.
Weather-resistant speaker.
High-quality electret microphone.
Alternating current polling of the bell button connections to prevent oxidation on the button contacts.
Securing of connection terminals against incorrect connection.
Up to eight mechanical bell buttons can be connected.
Colour camera for door station can be connected.
Speakerphone function (voice-controlled talk-back with echo and background noise suppression).
Adjustable voice volume.
One-man start-up with easy start-up procedure.
Audible acknowledgement signal when a call button is pressed.