KAC’s base sounder is a high quality loop powered device designed to alert building occupants of an
emergency. It utilizes the System Sensor B501AP base for improved installation flexibility and integrates
seamlessly with SS intelligent detectors. When triggered by the fire panel its powerful sounder gives
an audible warning. A choice of output levels and tones make the device suitable for a wide variety of

  • Faster installation
    • Large cable access
    • Rear or surface cable entry
    • Loop continuity spring
    • Automatic synchronisation of sounder
  • Flexible installation
    • Low current draw enables more devices on loop
    • Adjustable volume control (on device or from panel)
    • Intense strobe output
    • Deep and high IP base options
    • Pure White or Ivory body colours
  • Reduced install errors and easy fault finding
    • Positive “poke yoke” engagement
    • Address tag for clear indication
    • Anti-tamper feature
    • In-built isolation options
    • Simple familiar rotary wheel address controls
  • Reduced full life costs
    • High quality robust materials for longer life
    • UV stable materials
    • Robust construction for added impact resistance
  • Reduced inventory count
    • Common base with detectors (B501AP)
    • Device protocol is backward compatible through inclusion of both SS CLIP and Advanced Protocols
    • 32 tone selection to cover many markets (on device or from panel)
  • Excellent system performance
    • High efficiency piezo disk and horn profile generate excellent sound output
    • Advanced protocol enabled controllable sound output, tone selection