SensoIRIS CSOU is a sounder with integrated base for SensoIRIS detectors. SensoIRIS CSOU is compatible for mounting on all models  standard bases for SensoIRIS devices – SensoIRIS B124 and SensoIRIS B124-HP.

The sounder supports 32 different tone types at two sound levels. The tone type and sound level are programmed from the control panel.

The SensoIRIS CSOU is compatible for operation with SensoIRIS analogue – addressable detectors series: T110 (IS), S130 (IS) and M140 (IS).



  • One point of installation for detector, sounder and visual indicator with no additional wiring
  • Two sound levels – LOW: 81dB (A) ±3dB@3m; HIGH: 88dB (A) ±3dB@3m
  • 32 tone types selectable from the panel
  • Up to 100 sounders on loop (on low level sound)
  • Loop synchronization for uniform and clear alarm signal
  • Protection Degree -IP21C, type A
  • Sounder Type: A
  • Loop powered
  • Compatible with SensoIRIS detector series
  • Mounts directly on standard B124 or B124-HP to save time
  • Optional cover when used only as a sounder
Operating Voltage Range 16 – 32VDC
Maximal consumption at communication 470 μА @ 27VDC
Maximal consumption (main tone type 27:
   – low volume level 3 mА @ 27VDC
   – high volume level 10 mА @ 27VDC
Power volume:
   – low volume (up to 100 pcs     sounders* to the loop). ~ 81dB (A) ± 3dB @ 1m
   – high volume (up to 30 pcs sounders* to the loop)  ~ 88dB (A) ± 3dB @ 1m
Wire Gauge for terminals 0.4 – 2.0mm2
Material and color ABS / White
Dimensions 105 х 22 mm

Product Documents


SensoIRIS CSOU - EN 54 Certificate EVPU
Updated at 12.01.2024 Size 1.40MB
SensoIRIS CSOU - Declaration of Conformity
Updated at 12.01.2024 Size 0.22MB
SensoIRIS CSOU - Declaration of Performance
Updated at 12.01.2024 Size 0.46MB

Marketing Documentation

SensoIRIS CSOU - Datasheet
Updated at 07.07.2023 Size 0.17MB
SensoIRIS CSOU - Brochure
Updated at 19.04.2023 Size 0.65MB

Technical Documentation

SensoIRIS CSOU - Manual
Updated at 22.02.2024 Size 0.51MB

Product pictures