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OTTO Engineering - Expect Excellence

Speaker Microphones


OTTO 500

OTTO 500 is tested to function for more than five minutes at 500˚F (260˚C) utilizing special high-temperature materials in the case, cable and strain relief.  With full immersion capability in one meter of water for 31 minutes and exceptional debris protection including a removable grill and replaceable debris screen for easy cleaning, the durable OTTO 500 is the clear choice for extreme fire-fighting environments.
  • Functions at least 5 minutes at 500°F
  • Removable front grill with replaceable screen for easy removal of dirt and debris
  • Heavy-duty cable and strain relief, designed to withstand hot blasts of 500°F
  • Optional emergency button with larger notch for easier actuation
  • Large snap-action PTT for use with gloves and protective gear
  • Dual grill provides immersion and high pressure water seal
  • Immersion rated, fully sealed per IP68 standard: tested to withstand submersion in 1 meter of water for 31 minutes
  • Microphone optimized to reduce ambient noise
  • Durable design and construction meets MIL-STD-810
  • Extra large clip with detents every 45° to allow for precise and secure placement
  • Fire
  • Public Safety

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