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These 3M™ PELTOR™ X4 Earmuffs X4P51E allow you to mount hearing protection directly to your Kevy Hard Hat. Be sure to watch the install video in the product images on this page!
***These will only fit our Kevy Hard Hats, NOT ANY OF OUR BALLISTIC HELMETS***
- Noise Reduction Rating (NRR) between 25–27 dB (depending on the attachment type)
- Low-profile cup design for improved compatibility with other personal protection equipment (PPE)
- High ratio of NRR to earcup depth
- 3M E-A-Rfit Dual-Ear Validation System testable
- Slow-recovery, high-density foam
- Replaceable ear cushions and foam liners (hygiene kit HYX4)
Out of Stock, Backorders Ship in 4-8 Weeks
Same-Day Shipping on in-stock items: Place your order before the daily cutoff time, and we'll ship it out to you on that very day. In cases where a product is out of stock, we take pride in offering faster lead times than our competitors, so you can still expect a speedy delivery.
Exchanges & Returns: Be sure to inspect your new helmet carefully when you receive it — if you notice any defects or are dissatisfied with it for any reason, send it back to us within 30 days for a hassle-free exchange or refund.
- Lifetime Warranty on Hard Components
- 1-Year Warranty on Soft Components
Please note that our warranty does not cover normal wear and tear, misuse, abuse, or improper storage of your ballistic helmet.








































Out of Stock, Backorders Ship in 4-8 Weeks
In stock items ship same day on orders placed before 10:00AM CST.
Life happens and you can return any items within 30 days!
We only use 3rd-party labs accredited by the NIJ or ANSI.
We stand by our products, offering a lifetime warranty for hard components.
In stock items ship same day on orders placed before 10:00AM CST.
Life happens and you can return any items within 30 days!
We only use 3rd-party labs accredited by the NIJ or ANSI.
We stand by our products, offering a lifetime warranty for hard components.