Peltor refers to the H7A as the 'Optime 101' model. This means that, with an NRR 27 rating, these earmuffs will protect your hearing in any environment up to 101 decibels of external noise.
Manufactured in Sweden and assembled in the U.S., the H7A weighs 8 oz.
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Good buy for the price Review by Robert
The 3M H&A hearing protection muff that I bought have worked as advertised. I have utilized them for mowing, weed trimming and with my chain saw. They are a good buy for the price that I paid. (Posted on 7/14/2015)
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- These will work well. Our customers find them to be very comfortable. I would also recommend the Howard Leight Leightning L3 Earmuff. While the H7A ear muffs have a noise reduction rating (NRR) of 27, the Lightning L3 has an NRR of 30.
With both of these ear muffs you may find them a bit tight on your head when they arrive. Feel free to stretch the headband a bit to loosen the fit. They’re made for people who are moving around and working, and don’t need to be that tight for studying.
While these ear muffs aren’t going to provide the level of noise reduction you would find in noise-cancelling headphones, they should suit your purpose. I personally use the Howard Leight Sync Stereo Ear Muffs at work when I need quiet, and they have an NRR of 25. I wouldn’t recommend these as highly because they become uncomfortable after about an hour.
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