2017年7月30日 · I bought two types of Hearos plugs 32 dB and 33 dB. 33 dB plugs are amazing and it blocks off almost all the noise but with 32 dB plugs, I felt it's not blocking any noise! Any idea why? I inserted 32 dB plugs properly but still felt it was not blocking any noise.

2024年11月25日 · A couple of days ago, I went to a concert with foam earplugs (rated at 32 dB), but they just were not enough. It was my first concert in 10 years, and I regret going. My tinnitus has spiked as a result. I am hoping the increase is not permanent, but I am trying to come to terms with the possibility that it might be.

2019年7月2日 · For example, if you are at a rock concert where the level of noise exposure is 100 dB and you are wearing earplugs with an NRR 33dB, your level of exposure would not be reduced to 67 dB. Instead, to determine the actual amount of decibel deduction applied (when decibels are measured dBA which is the most common), you take the NRR number (in dB ...

2017年2月15日 · I just want to ask a question regarding double ear protection in extreme noise areas such as subway, gunfire, concerts. All of them are over 120 dB. But if I wear earplugs (32 dB) and mufflers(32 dB) together would it decrease …

2021年5月27日 · They are certified for 32 dB on all frequencies, but as I understand the low-frequency sounds can still cause trouble through bone conduction. Of course, on top of it all, the helmet also takes some of the noise by some degree, but I think it is impossible to measure correctly, as it is a multifactorial question.

2023年9月10日 · If you use active noise-canceling headphones, with foam earplugs it gets pretty quiet. Foam earplugs actually reduce even more at higher frequencies, than they are rated at. Look up "foam earplug attenuation graph" You'll see they almost hit 50 dB reduction at 4 …

2024年11月21日 · Those yellow earplugs are excellent, offering around 32 dB of noise reduction. Be sure to read the instructions carefully, roll them thin, insert them properly, and insist on being given 5 to 10 minutes to let them expand fully. For claustrophobia, keep your eyes closed the entire time so you do not see your surroundings.

2018年11月3日 · Just over two months ago, I had a MRI done at EFW Radiology here in Calgary, Canada. When I booked, I asked the person on the phone how loud their machines were, she didn't know, but said that they would provide me with adequate ear muffs. I brought foam plugs with me (32 dB) thought I would wear these under the muffs.

2013年12月30日 · If you're cashed up, just go get a some custom fit musicians ear plugs. They're clear silicon unless you specify otherwise and you can use multiple filters - meaning you can adjust the attenuation to your needs, usually it's -10, -15 and -25 dB depending on brand. They're pricey but they are by far the most comfortable and best sounding.

2024年7月23日 · There are many types of earplugs available, from foam plugs that claim to reduce sound by 32 dB to fluted silicone earplugs, which are easier to insert quickly. I still carry a pair with me whenever I leave the house, but I no longer need to use them in every shop or on every street when I go out.