OTTO Hurricane III with SureFire Patented EarLock(R) Retention Rings and Noise-Reducing Filters

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Normal speech and other sounds at safe levels are allowed to pass through and can be clearly heard, while potentially harmful noises are reduced via a proprietary design that incorporates a special noise reducing filter.


  • SureFire’s patented noise reducing filters reduce potentially harmful noises to a safe level
  • Sliding switch allows user to block more sound or allow ambient sounds to pass through
  • Up to 40dB impulse noise reduction
  • Premium ear temples
  • Noise canceling microphone
  • Low-profile design can be worn while wearing a helmet or mask, or while using a phone
  • Adjustable band for an optimal fit
  • Replacement earpiece kits available
  • Optional remote PTT jack available
  • Durable design and construction to meet MIL-STD-810

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