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2. The 15 Best Earmuffs to Elevate Your Winter Accessory ... - AOL

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

   $340.00 at Mytheresa. Down Behind-the-Head Earmuffs. If you prefer a behind-the-head fit, try a pair of 180s earmuffs. The popular winter accessory brand offers its foldable favorite in numerous ...

3. The big-ticket items to bookmark for October Prime Day - AOL

   www.aol.com/big-ticket-items-bookmark-october...

   Score amazing deals on electronics and more during Amazon's October Prime Big Deals Days ... Samsung 55-Inch Class QLED 4K The Frame Smart TV 35% OFF. ... DTS Studio Sound enhances audio quality ...

4. Audio headset - Wikipedia

   en.wikipedia.org/wiki/Audio_headset

   The microphone arm of headsets may carry an external microphone or be of the voice tube type. External microphone designs have the microphone housed in the front end of the microphone arm. Voicetube designs are also called internal microphone design, and have the microphone housed near the earpiece, with a tube carrying sound to the microphone.

5. Hearing protection device - Wikipedia

   en.wikipedia.org/wiki/Hearing_protection_device

   Dual hearing protection refers to the use of earplugs under ear muffs. This type of hearing protection is particularly recommended for workers in the mining industry because they are exposed to extremely high noise levels, such as an 105 dBA TWA. [25] [26]} Fortunately, there is an option of adding electronic features to dual hearing protectors ...

6. Noise-cancelling headphones - Wikipedia

   en.wikipedia.org/wiki/Noise-cancelling_headphones

   A microphone captures the targeted ambient sounds, and a small amplifier generates sound waves that are exactly out of phase with the undesired sounds. When the sound pressure of the noise wave is high, the cancelling wave is low (and vice versa). The opposite sound waves collide and are eliminated or "cancelled" (destructive interference ...

7. Earmuffs - Wikipedia

   en.wikipedia.org/wiki/Earmuffs

   Two people wearing behind-the-neck earmuffs. Thermal earmuffs are worn for protection from the cold. Because the ears extend from the sides of the head to gather sound waves, they have a high skin surface-area-to-volume ratio, and very little muscle tissue, causing them to be one of the first body parts to become uncomfortably cold as temperatures drop.