Instant help in emergency situations
ES 831A
The digital flushmount substations ES 831A is designed especially for building into American “2-gang” boxes. The intercom stations are manufactured in DSP-technology, which enables functions such as Audio-Monitoring or Loudspeaker/Microphone Monitoring.
Silver button tamper resistant 2-wire substation with DSP-technology. Integrated digital duplex controller for optimal speech quality at the door, even from a distance or with high ambient noise levels. A protective plate in front of loudspeaker prevents possible damage.
Can be connected to VirtuoSIS on-premise solutions with hardware and software servers via VirtuoSIS Link.
Features
- Excellent 16 kHz speech quality, even from a distance (up to 7 m / 23 ft)
- Cabling with 2 wires, star feed, fully digital transmission of speech and data
- Audio-Monitoring, adjustable integration time and noise level
- Loudspeaker-/ Microphone Surveillance
- Built-in loudspeaker and microphone
- Integrated amplifier with 2.5 W output
- Output contact for direct connection of e.g. doors or gates
- Expansion via optional expansion boards (e.g. EB 2E2A)
