Base Sounder
Part No: F16-82100

The EV-SDR Base is a low profile Sounder device, with fully integrated base suitable for ceiling mounting and use with all types of Evolution analogue addressable detectors. The device has 12 tone options (3 Approved), which are easily selectable via DIP switch settings. The EV-SDR Base can be set to “Activate with Detector”, in the Panel configuration, without any special device setting.

  • Evolution FSK protocol
  • EEPROM Addressed (Programmer)
  • 12 Tones DIP Switch Selected (3 Approved Tones)
  • Replaces EV-ABS Sounder


Operating Voltage24-38 Vdc
Operating CurrentQuiescent: 200μA
Alarm: 4mA (Max)
EN54-3:2001 + A1:2002 + A2:2006
Type A Indoor Sounder

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