Ancillary Sounder Base

Product Overview

The Ancillary Sounder Base is a local-area sounder designed for indoor use. It can be connected only to detection systems using Discovery or XP95 detectors and control panels with the appropriate software.


  • Guaranteed sound output of 85dB(A) at 1 metre.
  • Current consumption of only 3mA.
  • Loop-powered.
  • Responds to signals from the associated detector – does not have an address of its own.
  • Adjustable volume control.


Approvals: LPCB EN54-3/LPCB


Voltage (Polarity Sensitive) 19-28 VDC
Quiescent Current 100µA
Max Current (Sounder Operated) 3mA
Max Sounder Output 85dB(A)
Operating Temperature -20°C to +60°C (no icing)
Relative Humidity 0 to 95% (non condensing)
IP Rating IP32D
Size 115mm Dia x 38mm H
Weight 140 grams


Item Numbers

45681-276AMP Ancillary Base Sounder