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2. Hearing protection device - Wikipedia

   en.wikipedia.org/wiki/Hearing_protection_device

   A hearing protection device, also known as a HPD, is an ear protection device worn in or over the ears while exposed to hazardous noise and provide hearing protection to help prevent noise-induced hearing loss. HPDs reduce the level of the noise entering the ear. HPDs can also protect against other effects of noise exposure such as tinnitus and ...

3. Earmuffs - Wikipedia

   en.wikipedia.org/wiki/Earmuffs

   These earmuffs incorporate a volume control to increase and decrease the attenuation. Active noise reduction earmuffs incorporate electronic noise cancellation or active noise cancellation to attenuate (roughly 26 dB NRR) low frequency noise. A microphone, circuit, and speaker inside the muff are used to actively cancel out noise.

4. Earplug - Wikipedia

   en.wikipedia.org/wiki/Earplug

   Using both ear muffs (whether passive or active) and earplugs simultaneously results in maximum protection, but the efficacy of such combined protection relative to preventing permanent ear damage is inconclusive, with evidence indicating that a combined noise reduction ratio (NRR) of only 36 dB (C-weighted) is the maximum possible using ear ...

5. 15 Best Earmuffs for Winter That Will Keep You Toasty - AOL

   www.aol.com/lifestyle/15-best-earmuffs-winter...

   Your winter wardrobe needs at least one pair of earmuffs. Shop our top picks on Amazon, Walmart and more—from Bluetooth earmuffs to fleece ear warmer headbands. 15 Best Earmuffs for Winter That ...

6. The 13 Best Earmuffs to Up Your Winter Accessory Game - AOL

   www.aol.com/lifestyle/13-best-earmuffs-winter...

   Faux Beaver Fur Earmuffs. This pair of earmuffs is a great option for easing into the trend. Take your pick from four faux furry hues, and channel peak winter warmth. Materials: Acrylic, polyester ...

7. 12 Earmuffs to Keep You Warm (and Stylish) On the ... - AOL

   www.aol.com/lifestyle/12-earmuffs-keep-warm...

   Shop our edit of the best cute earmuffs to wear this season. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...