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OTTO NoizeBarrier Micro Electronic Hearing Protection

Ear Protection

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OTTO NoizeBarrier Micro Electronic Hearing Protection


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.


  • 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
  • 1-year warranty


  • 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

More Information
SKU V4-11029
Product Type Ear Protection
Manufacturer OTTO

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