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In order to block out harmful noises but still hear voices and other normal sounds this Pyramex earmuff uses an electronic suppression device. This is an ideal feature when communication between workers is a necessity. In the neutral sound position the earmuff has an NRR rating of 30. Adjustable headband and cool black color are other features that make the PM4010 a prime choice in hearing protection.
- Electronically suppresses dangerous impulse noises common in the industry
- Voices, signals and warnings are amplified
- NRR 30db when used in neutral position
- Ear cups fit comfortably and securely with foam filled pads
- Meets ANSI S3.29.1974
Sounds are limited to 82dB with the electronic design
- All day comfort from soft head pad
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NRR 30
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