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Speaker Microphones


OTTO 500™

OTTO 500 high-temp fire speaker microphone continues to operate when other speaker mics fail.  This speaker microphone is ideal for fire rescue and other public safety use or industrial applications where dust, metal filings and other debris are present. 
  • Functions for more than five minutes at 500oF (260oC)
  • IP68, immersion rated to one meter of water for 31 minutes
  • New clip design with increased clamping force and metal loop
  • Removable green grill with replaceable debris screen
  • Large PTT for use with gloves
  • Optional emergency button

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