Definition
A fire alarm sounder is an audible warning device that activates when the fire alarm control panel receives an alarm signal, alerting occupants to evacuate. Under BS 5839-1, sounders must achieve a minimum 65 dB(A) at any sleeping position, or 5 dB above prevailing background noise, and must be positioned so that no part of the premises is outside their effective range.
Terms mentioned in this definition
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View training courseA fire alarm sounder is an audible warning device that activates when the fire alarm control panel receives an alarm signal, alerting occupants to evacuate. Under BS 5839-1, sounders must achieve a minimum 65 dB(A) at any sleeping position, or 5 dB above prevailing background noise, and must be positioned so that no part of the premises is outside their effective range.
Requirements for fire alarm sounder in the UK depend on the type of premises and applicable legislation, including the Regulatory Reform (Fire Safety) Order 2005 and relevant British Standards. The responsible person for a premises must ensure adequate fire safety provisions are in place. The British Fire Consortium can provide guidance — contact our team or search our member directory to find a qualified specialist.
Fire Alarm Sounder and Fire Alarm Control Panel are related fire safety concepts but serve different purposes. See our individual glossary entries for detailed definitions. For expert guidance on which applies to your premises, consult a BFC member company.
The British Fire Consortium offers EAL Level 3 accredited training covering fire safety systems including topics related to fire alarm sounder. Our courses are the only nationally recognised Level 3 qualifications across all fire disciplines. View our training courses or use the member directory to find a qualified trainer near you.
