FNM‑420‑A‑BS Base Sounder, Indoor
Fire Alarm - EN54 - Signaling Devices
FNM‑420‑A‑BS Base Sounder, Indoor


  • Volume up to 92.1 dB(A)
  • Maximum current consumption less than 3.7 mA
  • Up to 100 sounders per loop
  • Constant sound pressure level between 22 V and 33 V operating voltage

The Base Sounders Indoor are used for signaling an alarm directly at the fire location. They can be employed either as base sounders or stand-alone sounders.

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