Sounders with Strobes

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AA Detector Base Sounder Strobe


The Addressable Detector Base Sounder Strobe BSS-DR-N34 is a high quality loop powered device designed to alert building occupants of an emergency. It ultilises the System Sensor B501AP base for improved installation flexibility and integrates seamlessly with System Sensor intelligent detectors. When triggered by the fire panel its powerful sounder and intense strobe give a visible and audible warning. A choice of output levels and tones make the device suitable for a wide variety of applications.


  • High efficiency piezo disk and horn profile generate excellent sound output
  • High output LED technology and superior lens design optimize light output
  • First or second stage tone controlled by the fire alarm control panel
  • 32 optional two-stage tone sets
  • on-board switches for independent stobe and/or sounder function
  • Simple familiar rotary wheel address controls
  • Adjustable volume control
  • Rear or surface cable entry
  • Low current draw enables more devices on loop
  • Anti-tamper feature

Ordering Information

Product Code



AA Detector Base Sounder Strobe (Red), White Base, Non Isolation (Requires B501AP-IV Base)

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