Allen Ultrax Allen 4105 Ultrx Shield Passive Muff Plum
- Type:
- Earmuff
- Finish-Color:
- Plum
- Style:
- Over the Head
- NRR:
- 23 dB
The Allen Ultrax 4105 Shield passive ear muff in plum is a lightweight hearing protector built for shooters, hunters, and workshop users who need reliable sound suppression without batteries or electronics. With an NRR rating of 23dB and ANSI S3.19 certification, these earmuffs deliver tested hearing protection across shooting ranges, hunting trips, and industrial environments. The razor-slim profile sits comfortably even during long range sessions or full days of work, while the adjustable headband and cushioned ear cups adapt to different head shapes and sizes.
Durability matters when you're rotating gear between the truck, range bag, and shop. The rubberized exterior withstands daily handling and field use without cracking or peeling. A folding design collapses down for easy storage in a pack, truck door pocket, or range bag—no awkward bulk when you're moving between locations. The plum finish is understated enough to blend in anywhere from the clay course to the job site.
Whether you shoot centerfire rifles, shotguns, or work around loud equipment, passive earmuffs (no batteries required) are simple, reliable, and always ready. The Allen Ultrax Shield delivers straightforward protection at a practical price point, making it a solid backup pair to keep on hand or your primary choice if you prefer uncomplicated hearing defense.
Key Features
- NRR 23dB noise reduction rating with ANSI S3.19 certification
- Passive design—no batteries, electronics, or maintenance required
- Razor-slim contoured ear cups for low-profile, extended-wear comfort
- Adjustable headband and padded ear cups conform to different head shapes
- Foldable construction for compact storage and transport
- Rubberized exterior resists wear and handles field use
- Plum color finish
Specifications
| Model | Allen Ultrax 4105 Shield |
| Type | Passive earmuff (no batteries) |
| Noise Reduction Rating (NRR) | 23dB |
| Safety Certification | ANSI S3.19 |
| Construction | Rubberized exterior, padded headband and ear cups |
| Design | Foldable, adjustable headband |
| Color | Plum |
Frequently Asked Questions
What's the noise reduction rating on these earmuffs?
The Allen Ultrax Shield has an NRR of 23dB and meets ANSI S3.19 safety standards, providing tested hearing protection suitable for rifle ranges, hunting, and industrial environments.
Are these earmuffs battery-powered?
No. The Ultrax Shield is a passive earmuff—it uses no batteries or electronics. Just put them on and they work immediately, with no maintenance or power concerns.
Do these fold up for storage?
Yes. The folding design collapses down for easy storage in a range bag, truck, or backpack without taking up much space.
Will these stay comfortable during long shooting sessions?
The slim profile, adjustable headband, and padded ear cups are designed for extended wear. The soft padding and contoured fit help reduce pressure points during long days at the range or in the field.

