System Sensor Addressable Sounder


Key Features

  • 32 tone options
  • Anti-tamper features
  • Controllable sound output, tone selection and group polling
  • Large cable access with rear/surface cable entries
  • Low profile, surface or high IP mounting options


System Sensor Addressable Sounders are high-quality loop-powered devices designed to alert building occupants of an emergency. The sounders are powered by the fire panel via the loop wiring and use a simple twist-fit installation onto the B501AP base for improved system flexibility.

System Sensor Addressable Sounders are controlled using onboard switches or via a fire panel running the System Sensor Advanced Protocol.

When triggered by the fire alarm control panel System Sensor Addressable Sounder’s powerful sounder gives an audible warning. A choice of output levels and tones make these devices suitable for a wide variety of applications.



Tech Specs

Supply Voltage15 to 32VDC (Non-isolation) 15 to 28VDC (Isolation)
Standby Current120μA (Non-Isolation) 225μA (Isolation)
Max current consumption11.4mA (High Volume Tone 21 @24V)
Max Sound Output97dB(A) +/-3dB @ 1 metre (High Volume, Tone 8 @24V) [Tone Dependant – Figure stated is based  on high volume 970Hz continuous @24VDC] 
Operating Temp-25°C to 70°C
Relative HumidityUp to 95% non-condensing
Ingress ProtectionIP24 (with low profile base)IP44 (with surface mount base)IP65 (Waterproof base)
ColourRed or Pure white
Terminal Size1.5 – 2.5mm2 max
Number of Tones32
Volume SettingHigh,  Medium,  Low
Mounting optionsLow Profile,  Surface or High IP



Eurofyre is an authorised distributor of Honeywell and we support the entire Morley IAS and System Sensor range of products. We offer expert advice and supply all aspects of fire detection systems including excellent before and after-sale support.

Contact us to receive competitive trade discounts or apply online for a credit account.