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The SO4 is a weatherproof motor driven siren designed for vertical mounting and designed for outdoor warning over small/medium areas.

Manufactured from cast aluminium, it is rugged in construction, has a continuous rating and is built for a long life outdoors.

  • High sound output (up to 125dB)
  • Powerful low frequency sound
  • Weatherproof to IP55 
  • Vertical siren for easy mounting
  • Low voltage DC and high voltage AC variants 

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