Discovery Sounder Beacon Base

Product Overview

The Discovery Sounder Beacon Base is a multi-functional device comprising a mounting base for Discovery fire detectors, a sounder, a beacon, and a short circuit isolator. It makes full use of the Discovery protocol and for ease of commissioning a ‘magnetic wand’ can be used to test and adjust each sounder locally.


  • Set individual control of the sounder and beacon.
  • Select volume and tone settings from the control panel.
  • Tones can be used for purposes in addition to fire – ideal for schools.
  • Soft start option – ideal for hospitals and nursing homes.
  • Electronic bell tone.


Approvals: LPCB EN54-3/LPCB


Voltage (polarity sensitive) 17-28 VDC
Quiescent Current 350µA
Max Current (sounder operated) 8mA
Max Sounder Output 90dB(A)
Operating Temperature -20°C to +60°C (no icing)
Relative Humidity 0 to 95% (non condensing)
IP Rating IP21D
Size 115mm D x 31mm H
Weight 160 grams


Item Numbers

45681-393AMP Discovery Sounder Beacon Base