A module that can be attached directly to the panel of the alarm center.
And between the alarm center and the remote telephone device.
Events, but can also transmit announcements and communicate with those present.
Can be connected, the volume of which can be adjusted.

- Expansion module enabling two-way audio communication.
- Design that can be installed directly on the panel of the alarm center.
- It does not require a separate power supply, it is supplied by the alarm center.
- Connectable speaker: 8ohm/1W.
- Volume control.
- Terminal output connection.