A121 Alarm 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.

Features :
• Automatic synchronisation on multi-sounder system.• Continuously rated.
• Stainless steel fixings.
• Unit can be mounted using external lugs or internal BESA compatible fixing positions.
• Duplicate cable terminations (in & out for daisy-chain installations).
• Tropicalisation available on request.
• Available with custom tone configurations and frequencies.
• ‘Programmable’ version available :- 45 alarm tones- 4 remotely selectable stages- Any tone
   can be assigned to any stage- User configurable continuous frequency tone