Otis Technologies EarShield Ranger, 22 dB NRR

The Otis Technologies EarShield Ranger electronic earmuff combines hearing protection, sound enhancement, and Bluetooth connectivity in a compact, foldable package. Designed for range use and general hearing protection needs, it balances attenuation with situational awareness through sound-activated processing. Controls include separate volume dials for ambient sound and Bluetooth audio, and the headset runs on 2 AAA batteries.

Key Specifications

• The noise reduction rating is 22 dB NRR for general hearing protection.
• Bluetooth connectivity allows users to make and receive calls and listen to music.
• Includes sound-activated compression and an omnidirectional microphone to preserve environmental awareness.
• The system provides up to 5x amplification for quieter sounds.
• Fast attack time of 0.01 second helps block impulse noise above 82 dB while minimizing interruption of ambient hearing.
• Separate volume controls provide independent adjustment for Bluetooth and ambient sound.
• Adjustable headband provides a custom fit for extended wear.
• Soft ear cups and band are replaceable with a snap-in design for maintenance and comfort.
• The headset features a compact, foldable design for transport and storage.
• Powered by 2 AAA batteries; the unit also includes an aux input and cord.

Practical and straightforward, the EarShield Ranger suits users who need reliable hearing protection with enhanced situational awareness and modern connectivity. Its combination of attenuation, amplification, and Bluetooth functionality makes it a useful choice for range sessions, workshops, and outdoor activities where hearing protection and communication matter.