Description
The Allen ULTRX Bionic Fuse Bluetooth Earmuff is one of those pieces of gear that does a few jobs at once and does them well. You get a solid 22 dB Noise Reduction Rating for protecting your ears at the range or on the job, plus electronic hearing that amplifies the sounds you want to catch while clamping down hard on the sudden loud stuff. It is tuned to react fast, cutting off gunshot-level noise in a fraction of a second so your ears stay covered without you missing conversation in between shots.
What Sets the ULTRX Bionic Fuse Apart
Where these muffs really earn their keep is the audio side. A set of four hi-gain omnidirectional microphones feeds you a 6x hearing boost with dynamic wave compression, so quiet ambient sounds come through clear while spikes get knocked down automatically. Bluetooth 5.3 lets you pair a phone or two-way radio to stream music, catch a podcast, or take a call hands-free, and the symmetrical mic response keeps your voice sounding natural on the other end. It is a genuinely handy setup whether you are running drills, cutting the grass, or grinding through a work project.
Comfort and Power in the Bionic Fuse Earmuff
Long days are where cheap muffs fall apart, and Allen built this pair for the long haul. Air-gel cooling technology helps keep your ears from cooking under the cups, and the plush pillow foam padding takes pressure off during extended wear. The over-the-head design with a rubberized protective coating holds up to knocks, and the USB-C rechargeable lithium battery means no fumbling with disposable cells. Just top it off between outings and you are ready to go.
Between the ANSI S3.19 certified 22 dB rating, the electronic hearing enhancement, and the built-in Bluetooth, the Bionic Fuse covers a lot of ground for anyone who wants one set of muffs that works at the range and everywhere else.
Key Specifications
- Manufacturer: Allen Company
- Manufacturer Part Number: 4109
- UPC: 026509076971
- Noise Reduction Rating (NRR): 22 dB
- Safety Standard: ANSI S3.19 tested and certified
- Bluetooth: Bluetooth 5.3
- Microphones: 4 hi-gain omnidirectional
- Hearing Boost: 6x omni-hearing with dynamic wave compression
- Sound Cutoff: Shuts down at 82 dB within 0.02 seconds
- Power Source: USB-C rechargeable lithium battery
- Cup Padding: Air-gel cooling with plush pillow foam
- Housing: Rubberized protective coating
- Style: Over the Head
- Color: Midnight Gray
- Weight: 1.08 lbs
What’s Included
- Allen ULTRX Bionic Fuse Bluetooth Electronic Earmuff
- USB-C charging cable
Frequently Asked Questions
How does the electronic hearing feature on the Bionic Fuse work?
Four hi-gain omnidirectional microphones amplify surrounding sounds up to 6x, so you can hear range commands and conversation clearly. When a loud noise like a gunshot hits, the muffs compress and shut down that spike at 82 dB within about 0.02 seconds. That means you keep your situational awareness without exposing your ears to the harmful stuff.
Can I stream music and take calls with the ULTRX Bionic Fuse earmuff?
Yes. It uses Bluetooth 5.3 to pair with your phone or other devices for streaming audio and hands-free calls. The symmetrical microphone response keeps your voice clear to whoever you are talking to, so you can leave the muffs on while you work or shoot.
How is the Bionic Fuse powered and does it use batteries?
This model runs on a built-in USB-C rechargeable lithium battery, so there are no disposable batteries to swap out. Just charge it up with a standard USB-C cable between uses. That is a nice upgrade over muffs that eat through AAA cells.
Is a 22 dB NRR enough for the shooting range?
A 22 dB rating is solid for most range use with common handgun and rifle calibers, and the electronic protection reacts to impulse noise on top of the passive rating. For very high-volume indoor ranges or heavy magnum shooting, some folks double up with foam plugs underneath for extra margin. For general range days, yardwork, and job site use, these cover the bases well.





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