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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. The best noise-canceling earbuds for 2024 - Engadget

   www.engadget.com/best-noise-canceling-earbuds...

   The QC Ultra Earbuds are slightly less effective on human voices, but that’s true of many noise-canceling earbuds. But with any kind of constant hum, and many irregular sounds, these earbuds ...

4. The best noise-canceling headphones for 2024 - Engadget

   www.engadget.com/best-noise-canceling-headphones...

   AirPods Max. Apple’s AirPods Max are premium, well-designed headphones that incorporate all of the best features you find on standard AirPods: solid noise cancelation, spatial audio and easy ...

5. Earmuffs - Wikipedia

   en.wikipedia.org/wiki/Earmuffs

   Earmuffs refer to two different items. Both items consist of a thermoplastic or metal head-band that fits over the top or back of the head, and a cushion or cup at each end to usually cover both ears. The cups can either be clothing accessories designed to cover a person's ears for warmth or personal protective equipment designed to cover a ...

6. 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 ...

7. Sennheiser SoundProtex Plus review: Concert earplugs that don ...

   www.engadget.com/sennheiser-soundprotex-plus...

   One issue concert-goers may have is the price: the SoundProtex is $39.95 and the SoundProtex Plus is $79.95. A 12-pair box of foam earplugs is $3.49 at my local Target. A more appropriate ...