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.


  • 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


  • 28 dB(Foam Tips)
  • 23 dB (3-Flange Tips)

Frequency Response:  

  • 40Hz - 16kHz


  • Balanced armature receivers (speakers)
  • Wide bandwidth
  • Low-noise MEMS microphones

Battery Performance:

  • Earplugs:  Up to 16 hours
  • Charge Station:  20 earplug charge cycles

Contact Two Way Direct to Stay Connected

Once you’ve received your battery and start putting it to use on the job, you know you’ll have the support of a leading company for troubleshooting and recommendations of compatible accessories. Order with Two Way Direct for:

  • The Lowest Price Guaranteed
  • 24/7 Customer Support
  • Low shipping costs – with free ground shipping

Use this radio battery with Motorola radios, or other compatible radios with complete confidence. Order online or call 888-742-5893.


Warranty Information

1 year warranty


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  • 5

    Posted by Jim on 10th Dec 2019

    I used these for the first time at my local shooting range and they are amazing!!!