The addressable sounder base is designed to be connected to analogue addressable Fire Alarm Systems. And these loop sounder base should be connected to the compatible control panel. The RE-678SO loop powered sounderbasereceives their power from analogue addressable communication loop (SLC) and it is controlled via addressable communication. The address of these device shall be set by 8-way DIP switch and different tones can be selected using 4-way DIP switch.


  • Complies to UL464
  • Low Operating Current.
  • All Tones are Synchronizable.
  • The low frequency 520 Hz signal is unique, and is ideal for hotels, dormitories, and other sleeping occupancies.
  • Addressing by 8-way DIP switch.
  • 7 Different tone selection.
  • Slim and sleek.
  • Sounder volume low / high facility
    • Electrical Specifications
    Operating Voltage 17 ~ 32 VDC
    Alarm Current 4 mA
    Standby Current 0.8 mA
    Sound Level @24V 80 db @ 3m
    Sound Element Piezo Electric Type
    Operating Temperature 0 - 49° C / 32 - 120° F
    Storage Temperature 0 - 60° C
    Humidity 93 ± 2% RH (non-condensing)
    Material FR ABS
    Color White
    IP Rating IP 40
    Dimensions 120 D x 45H
    Wire Size 2.5Sqmm (12AWG) Max

    ADDRESSABLE LOOP POWERED SOUNDER BASE

    Download Datasheet.

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