Otto, Hear The Difference

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.

Otto Noize Barrier Micro HD Specifications and Features:

• Otto V4-11029
• NoizeBarrier Micro
• 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 manufacturer 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