E2S A121 Electronic Sounder



The A121 is a very high output, 126dB(A) alarm sounder.

High SPL in a robust, fire retardant IP66 housing ensure the A121 is suitable for all general signalling applications including fire, security and process control.


  • 45 tones, includes ISO tones to Australian Standards
  • Automatic synchronization on multi-sounder systems**
  • Sounder and beacon controlled independently
  • Volume control
  • Three stage alarm (reverse polarity stage switching on DC units)***
  • IP66


Sound output: Max 126dB @ 1m

Sound frequency: 45 tones

Protection: IP66 (IP65 on AB121LDA and AB121STR)

Temp rating (°C): 25 to +55

Cable entry: 2 x M20 knockouts

Rating: Continuous

Construction: Flame Retardant ABS

Weight: DC: 2.10kg/4.62Ibs AC:2.70kg/5.94Ibs

Size: 190mm x 190mm x 191mm


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