SensoIRIS BSOU is аn addressable fire base with built-in sounder in its body. SensoIRIS BSOU is designed for installing in addressable fire alarm systems supporting TTE communication protocol. The device is powered on from the panel and can be controlled via the communication protocol. The addressable SensoIRIS BSOU fire base supports 32 different tone types at two sound levels. The tone type and sound level are programmed from the control panel.

The device is designed for easy installation and consist from two parts: mounting plane basis and sounder with factory mounted fire base.

Fully comply and certificated to EN54, part 3.

SKU: 527 Category:


  • Two sound levels – LOW (82-92dB)* and HIGH (100-103dB)*
  • 32 sound types selectable from the panel
  • Loop powered
  • Compatible with SensoIRIS addressable detectors series: T110, T110 IS, S130, S130 IS, M140 and M140 IS
  • EN54-3 certified
  • Version with built-in isolator available – SensoIRIS BSOU IS

* Depends on the selected sound type. The main tone type is 27 – the detailed description of the tone types is presented in the installation manual.

Operating Voltage Range 15 – 32VDC; Nom. 28VDC
Maximal consumption at communication 470 μА @ 27VDC
Maximal consumption, tone type 27, low volume level 2.8 mА @ 27VDC
Maximal consumption, tone type 27, high volume level 9.8 mА @ 27VDC
Total number of SensoIRIS BSOU at loop – low level 100 pcs.
Total number of SensoIRIS BSOU at loop – high level 30 pcs.
Number of tone types 32
Material, color ABS, white
Dimensions with mounted detector SensoIRIS T110 (IS)/ S130 (IS) 102 x 63mm
Dimensions with mounted detector SensoIRIS M140 (IS) 102 x 70mm















Product Documents

Marketing Documentation

SensoIRIS BSOU - Datasheet
Updated at 30.01.2020 Size 0.33MB


SensoIRIS BSOU - EN 54 Certificate EVPU
Updated at 19.05.2021 Size 5.06MB
SensoIRIS BSOU - Declaration of conformity
Updated at 11.04.2020 Size 0.32MB
SensoIRIS BSOU - Declaration of performance
Updated at 11.04.2020 Size 0.70MB

Technical Documentation

Product pictures