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Personal Protection Equipment (PPE)


NoizeBarrier Active Hearing Protection

OTTO’s NoizeBarrierTM High Definition Electronic Earplugs offer unsurpassed situational awareness and clear communication while also 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:  25 dB(Foam Tips); 25 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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