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