The Allen Ultrax Bionic Electronic Ear Muffs 4145 FDE deliver active hearing protection and situational awareness for shooters and hunters who need to stay safe without losing touch with their surroundings. These electronic shooting muffs use dual hi-gain stereo microphones to amplify ambient sound—letting you hear range commands, game movement, and conversation clearly—while automatically shutting down microphone input when sound spikes above 82dB, protecting your ears in less than 0.02 seconds. That combination of real-time amplification and impact suppression is what sets electronic muffs apart from passive foam plugs, especially on the line or in the field.

Comfort matters on a long hunt or shooting day. The Ultrax features extra-padded ear cups and a cushioned headband designed to distribute weight evenly, so you can wear them for hours without fatigue. The rubberized exterior is built to withstand field use—scuffs, weather, and the occasional bump won't compromise durability. Sound quality is handled by what Allen calls Studio Harmonics technology, engineered to deliver clear, natural audio rather than the tinny or distorted sound you get from cheaper amplification. That clarity makes communication easier and helps you stay aware of what's happening around you.

The 4145 FDE runs on two AAA batteries (not included), giving you extended runtime between replacements. An aux port lets you connect external audio devices if you want to add music, range apps, or other audio input to your setup. ANSI S3.19 certification confirms these muffs meet industry safety standards, and the NRR 22dB rating delivers solid passive protection when the electronics are off or batteries are depleted.

Key Features

• Dual hi-gain stereo microphones amplify ambient sound for situational awareness
• Automatic microphone shutoff at 82dB within 0.02 seconds—impact protection built in
• Studio Harmonics technology for clear, natural-sounding amplification
• Extra-padded headband and soft ear cups for all-day comfort
• Rubberized exterior for durability in field conditions
• Aux port for connecting external audio devices
• NRR 22dB passive protection rating
• ANSI S3.19 certified
• Powered by two AAA batteries (extended runtime)

Specifications

Brand	Allen
Model	Ultrax Bionic 4145
Color	FDE (Flat Dark Earth)
Type	Electronic Shooting Earmuffs
Noise Reduction Rating (NRR)	22dB
Microphone Type	Dual hi-gain stereo
Microphone Shutoff Threshold	82dB
Microphone Shutoff Speed	0.02 seconds
Power Source	2 AAA batteries (not included)
Certification	ANSI S3.19
Additional Features	Aux port, extra-padded headband, soft ear cups

Frequently Asked Questions

Can I use the Allen Ultrax Bionic muffs while hunting or at the shooting range?

Yes. These muffs are designed for both hunting and shooting. The dual microphones let you hear natural sounds and commands while you're active, and the automatic shutoff protects your hearing when a shot or impact occurs.

Do the batteries come with the muffs?

No. The Allen Ultrax Bionic 4145 FDE requires two AAA batteries, which are not included. You'll need to supply your own.

What does the aux port do?

The aux port allows you to connect external devices—such as music players, range apps, or other audio sources—to integrate additional audio into your hearing protection system.

What happens if the batteries die?

If the batteries are depleted, the muffs still provide passive hearing protection. The NRR 22dB rating means they'll reduce loud noise even with the electronics powered off, so you're not left unprotected.