Description
3M™ PELTOR™ X4P51E Hard-Hat Attached Earmuffs
Low-profile, hard-hat mounted earmuffs designed for use with wide-brim hard hats in industrial noise environments. The X4P51E model delivers strong attenuation in a compact cup profile, maintaining balance and compatibility with face shields and other PPE.
Key Features
- Hard-hat mounted design for wide-brim hard hats
- Noise Reduction Rating (NRR) 25 dB
- Low-profile cups improve balance and compatibility with other PPE
- Dielectric (electrically insulated) attachment arms
- Soft, wide cushions; replaceable hygiene kit (HYX4)
Specifications
| Attribute | Detail |
|---|---|
| Model | X4P51E |
| Type | Hard-hat attached earmuffs for wide-brim hard hats |
| NRR | 25 dB |
| Standards | ANSI S3.19-1974 / CSA Class A |
| Hygiene Kit | HYX4 (replacement cushions / liners) |
| Typical Uses | Construction, manufacturing, utilities, welding & metalwork |




