Indoor Harmony Sounder



  • Harmony’s Sounders release programmed or manually-controlled bell sounds, public announcements and audio streams which are sent from a computer.
  • Power Supply PoE (Power over Ethernet)
  • Output 90DB
  • Dimensions Height 230 x Width 163 x Diameter 80/50mm.
  • Power 13W

Operating Mode:

  • The sounders are controlled by a Sigma Master clock.
  • Stores up to 30 MP3 bell sounds.
  • 18 pre-installed bell sounds.
  • Associated with a zone.
  • 8 volume levels.

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Brochure download available here


Auto Time Systems
Appley Bridge, Wigan WN6 9DB, UK