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This version of Pyramex earmuff uses an electronic suppression device that blocks out harmful noises but allows normal sounds, ambient noises, and voices through. Great for people in noisy areas that still need to communicate with one another.
In the neutral position on the sound dial, the earmuff has a NRR rating of 20. Finally, the Pyramex PM4011 Electronic Ear Muffs comes in an attractive black color, and adjust to fit most head sizes.
- Offers electronic suppression of dangerous impulse noises common to industrial users and shooters.
- Amplifies surrounding voices, important signals and warnings
- NRR 20db when used in neutral position
- Great performing MP3 ear muffs with the 3.5 mm jack.
- Soft head pad for all day comfort
- Foam-filled padded ear cups fit securely and comfortably over the ear
- Electronics are designed to limit amplified sound levels to 83db
- Batteries not included
- Individually packaged
- Exceeds ANSI S3.19 Requirements
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NRR 20
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