Description
The Allen ULTRX Bionic Fuse earbuds blend real hearing protection with everyday Bluetooth audio, so you are not swapping between muffs and headphones anymore. They carry a 26 dB Noise Reduction Rating that is ANSI S3.19 tested and certified, giving you a solid barrier against the kind of repeating loud noise that wears your ears down over time. A quick .001ms sound response time and built-in sound compression react to sharp sounds fast, which is exactly what you want when things get loud in a hurry.
What the Bionic Fuse Earbuds Do Differently
Three environmental modes let you tune how you hear the world around you. There is a Bluetooth setting that sharpens up music and voice for streaming and calls, a Natural Sound Enhancement mode that amplifies the softer sounds around you for better awareness, and a Multi-environment Protection mode that clamps down on repeated high-decibel noise. Dual built-in microphones feed you more of your surroundings so you stay aware, and voice synthesis tuning keeps conversations and audio clear.
Fit, Power, and Everyday Use
Bluetooth 5.3 handles the wireless connection to your phone or other devices, and an IPX5 water resistance rating means sweat and a little rain will not shut them down. The rechargeable USB-C lithium battery tops off inside the included charging case, and the buds automatically power down after two hours in standby to save juice when you set them aside. Fit is where these really earn their keep since your ear canals are not one-size-anything.
Dialing In Your Fit
Each set ships with four sizes of foam inserts and three sizes of silicone inserts, so you can experiment until you get a proper seal that stays comfortable through a long session. A removable tether cord is included too, handy for keeping the pair connected when you pull them out for a minute. Between the fit options, the charging case, and the mix of protection and audio, these cover the range trip, the mowing, and the drive home on one charge cycle.
Key Specifications
- Manufacturer: Allen Company
- Manufacturer Part Number: 4111
- UPC: 026509076988
- Model: ULTRX Bionic Fuse
- Noise Reduction Rating (NRR): 26 dB (ANSI S3.19 certified)
- Type: Electronic in-the-ear earbuds
- Bluetooth Version: 5.3
- Environmental Modes: 3 (Bluetooth, Natural Sound Enhancement, Multi-environment Protection)
- Microphones: Dual built-in
- Sound Response Time: .001ms
- Water Resistance: IPX5
- Battery: USB-C rechargeable lithium
- Standby Auto Shutoff: 2 hours
- Color: Dark Gray
- Style: In the ear
What’s Included
- Pair of ULTRX Bionic Fuse Bluetooth earbuds
- Charging case
- USB-C charging cable
- 4 sizes of foam ear inserts
- 3 sizes of silicone ear inserts
- Removable tether cord
- Instruction manual
Frequently Asked Questions
Can you listen to music and still get hearing protection with the Bionic Fuse earbuds?
Yes, that is the whole idea behind them. They deliver a 26 dB Noise Reduction Rating for hearing protection while Bluetooth 5.3 streams music, calls, and audio from your phone. You switch between environmental modes depending on whether you want to focus on your music, hear your surroundings, or block out repeated loud noise.
How do you get a good fit with these earbuds?
The set includes four sizes of foam inserts and three sizes of silicone inserts, so you can try different combinations until you find a seal that stays comfortable and blocks noise well. A proper seal matters most for the noise reduction rating to do its job. Most folks land on a size after a couple of quick swaps.
Are the Allen ULTRX Bionic Fuse earbuds okay to sweat in or use outdoors?
They carry an IPX5 water resistance rating, which means they shrug off sweat and light rain without issue. That makes them fine for the range, yard work, or working around the shop. Just keep in mind IPX5 is splash and sweat resistance, not full submersion, so don't take them swimming.
How are the earbuds charged and how long do they last?
They use a rechargeable USB-C lithium battery and recharge inside the included charging case, which itself tops off with the provided USB-C cable. To save power, the buds automatically shut down after two hours in standby mode when you set them aside. Toss them back in the case between uses and they are ready to go when you are.



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