Otto NoizeBarrier Micro

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Otto NoizeBarrier Micro

OTTO’s NoizeBarrier® Micro high-definition and rechargeable electronic earplugs offer unsurpassed situational awareness and clear communication, while providing hearing protection from loud noises. The dual-mode NoizeBarrier® earplugs offer active hearing protection as well as hearing enhancement for extremely effective sound localization and detection.

Can be set ordered with an acoustic tube and shoulder mic cable to be used as a simple communication suite. 


  • Up to 40 dB of impulse noise protection
  • Up to 15 dB adaptive noise attenuation
  • Hearing enhancement mode – amplifies soft sounds up to 5X
  • Natural hearing for safe sounds
  • Accu-Technology® high-definition sound quality
  • One-button touch pad, 2-mode operation
  • Rechargeable with up to 16 hours of continuous use
  • Earpiece and case IP67 water resistant
  • Charging status LCD panel
  • NRR:  28 dB(Foam Tips); 23 dB (3-Flange Tips)
  • Frequency Response:  40Hz - 16kHz
  • Transducers:  Balanced armature receivers (speakers), Wide bandwidth, low-noise MEMS microphones
  • Battery Performance: Earplugs:  Up to 16 hours Charge Station:  20 earplug charge cycles

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