Does the Allen ULTRX Bionic Electronic Earmuff (AL4145) feature Bluetooth connectivity or rechargeable batteries?

No, the Allen ULTRX Bionic Electronic Earmuff (AL4145) does not feature Bluetooth connectivity. It is powered by 2 x AAA batteries, which are user-replaceable. This model includes an integrated 3.5mm Auxiliary (Aux) input port for connecting to external audio sources like mobile phones or communication radios.

What is the Noise Reduction Rating (NRR) of these earmuffs, and are they suitable for use in Australia?

The Allen ULTRX Bionic Electronic Earmuff (AL4145) has a Noise Reduction Rating (NRR) of 22 dB and is certified to the American ANSI S3.19 standard. While Australian commercial workplaces often require AS/NZS 1270:2002 certification, the 22dB NRR provides excellent and widely accepted hearing protection for recreational hunting, shooting sports, and general outdoor use in Australia.

How do the Allen ULTRX Bionic Electronic Earmuffs (AL4145) help me hear important sounds while still protecting my hearing during shooting or hunting?

These earmuffs are equipped with two hi-gain stereo microphones that amplify low-level ambient sounds, such as range commands or subtle movements in the bush. They use a dynamic wave compression system with Studio Harmonics technology to deliver clear, high-definition audio. When noise levels reach or exceed 82 dB, the electronic microphones automatically shut down within 0.02 seconds, providing rapid protection from harmful muzzle blasts.

Are these earmuffs comfortable for extended wear during long hunting trips or range sessions?

Yes, the Allen ULTRX Bionic Electronic Earmuffs are designed for prolonged wear, making them suitable for long hunting trips or extended range sessions. They feature plush 'pillow foam' padding on the ear cups and an adjustable, cushioned headband to ensure ergonomic comfort.

Electronic Earmuffs - Allen AL4145 ULTRX Bionic

The Allen ULTRX Bionic Electronic Earmuff (Flat Dark Earth, Model AL4145) provides reliable hearing protection and enhanced situational awareness for shooters, hunters, and outdoor enthusiasts. Engineered with a 22 dB Noise Reduction Rating (NRR) and certified to ANSI S3.19 standards, this electronic earmuff attenuates harmful sounds while amplifying low-level ambient noises. The compact, folding headband design allows the unit to collapse down to an overall length of approximately 9.0 inches (22.8 cm), making it highly portable and easy to pack into a range bag or hunting pack.

Key Features:

Advanced Sound Amplification: Equipped with two hi-gain stereo microphones that capture and amplify ambient sounds, such as range commands or wilderness movement, utilizing Studio Harmonics technology for clear, high-definition audio.
Rapid Compression Technology: Automatically compresses harmful noises exceeding 82 dB within a rapid 0.02-second reaction time, protecting the user's hearing from sudden muzzle blasts.
Ergonomic Comfort: Designed for prolonged use in the field, featuring plush pillow foam ear cups and an adjustable, cushioned headband that reduces pressure points.
Physical Auxiliary Input: Includes an integrated 3.5mm Aux port, allowing direct connection to external audio sources such as communication radios, mobile phones, or MP3 players.
Battery-Powered Convenience: Powered by 2 x AAA batteries, making it highly dependable for remote Australian environments without the need for 240V mains power charging or SAA-approved electrical adaptors.

Technical Specifications:

Brand: Allen
Model: AL4145 (ULTRX Bionic)
Colour: Flat Dark Earth (FDE)
Noise Reduction Rating (NRR): 22 dB
Safety Certification: ANSI S3.19 tested and certified
Power Source: 2 x AAA batteries
Connectivity: 3.5mm Auxiliary input port (non-Bluetooth model)
Dimensions: Approximately 9.0 inches (22.8 cm) overall length when folded

Who It Is For:

The Allen ULTRX Bionic Electronic Earmuff is designed specifically for Australian sports shooters, recreational hunters, and range officers who require dependable hearing protection without sacrificing the ability to hear verbal instructions, range commands, or environmental cues. Because it operates entirely on standard AAA batteries, it is highly suited for extended trips into the Australian bush where mains electricity is unavailable. While Australian commercial worksites often mandate hearing protection certified to AS/NZS 1270:2002, the ANSI-certified 22dB NRR rating of the AL4145 model provides excellent, widely accepted protection for recreational shooting, hunting, and high-noise DIY projects.

SKU	AL38454LP
Model #	AL4145
Brand	Allen
Shipping Weight	1.0000kg

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Allen Al4145 Ultrx Bionic Electronic Earmuff Fde 22db Nrr Sound Amplification

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