- 29 dB NRR from certified US laboratory ANSI S3.19-1974
- 34 dB SNR as tested by certified European laboratory to CE EN-352-1
- Superb full spectrum and low frequency attenuation
- Extra wide ear cushions for highest comfort
- Soft padded headband with low force
Product Features |
Product Description
Elvex UltraSonic, our newest high performance ear muffs with a Noise Reduction Rating of 29 dB. This earmuff has been designed to provide excellent full spectrum attenuation, as well as superb low frequency attenuation. Ultrasonic uses a fork style headband for even distribution of the pressure, andimproved balance required for extra deep ear cups
Product Details
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5.0 out of 5 stars
cuts widespectrum noise even with eye glasses on,
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This review is from: Elvex HB-650 UltraSonic, Universal Ear Muffs with Extra Wide Ear Cushions, 29 dB NRR, Weight: 10.1 oz. (Misc.)
Previous ear muffs were not able diminish neighboring co-workers low register voice. This ear muff works great. Also noticeably cuts "airplane" noise. I work in a lab with several instruments with AC and several fans.
Comfortable to wear even with glasses on, though after 1 hour use, the area around my ears starts to get sweaty.
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