Allen 4109 Bionic Fuse Electronic Earmuffs 22dB NRR Midnight Gray

The Allen 4109 Bionic Fuse Electronic Earmuffs deliver professional-grade hearing protection with 22dB noise reduction rating for shooters who demand reliable performance. These electronic earmuffs automatically compress harmful noise while amplifying safe environmental sounds, allowing clear communication on the range.

What Makes This Different

The Bionic Fuse technology sets these earmuffs apart from basic passive hearing protection by incorporating electronic sound management that responds in milliseconds to gunshot noise. While standard foam plugs simply block all sound, these earmuffs selectively filter dangerous decibel levels above 82dB while maintaining awareness of range commands and conversation. The dual-microphone system provides directional hearing that helps identify sound sources around the shooting environment.

Key Features

• 22dB Noise Reduction Rating (NRR) certified for firearm use
• Electronic sound compression activates in 0.5 milliseconds
• Dual external microphones for directional sound awareness
• Adjustable padded headband fits head sizes 6.5 to 8 inches
• Midnight Gray finish resists wear and maintains professional appearance
• 3.5mm auxiliary input jack for music or communication devices
• Auto shut-off feature preserves battery life during storage

Field testing demonstrates consistent performance across rifle and pistol calibers, from .22LR target shooting to magnum hunting loads. The electronic circuitry handles rapid-fire sequences without audio lag, making these earmuffs suitable for competitive shooting disciplines and tactical training. Weather-resistant construction maintains functionality in humid conditions and temperature ranges from 10°F to 120°F.

Technical Specs

• Noise Reduction Rating: 22dB (ANSI S3.19-1974)
• Sound amplification: Up to 5x ambient noise
• Power source: Two AAA batteries (included)
• Battery life: 200+ hours continuous use
• Weight: 12.3 ounces
• Headband adjustment: 6.5 to 8 inch head circumference
• Operating temperature: 10°F to 120°F
• Auxiliary input: 3.5mm stereo jack

The Allen 4109 Bionic Fuse represents proven electronic hearing protection technology at an accessible price point for serious shooters. Professional instructors and range officers choose these earmuffs for their combination of protection and communication capability.