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  2. TV Ears - Wikipedia

    en.wikipedia.org/wiki/Tv_ears

    The 5.0 Dual Digital wireless TV listening system, is the most powerful of the TV Ears’ headsets, containing twice the number of light emitting diodes. The system operates off of a digital connectivity via an optical digital audio cord and is compatible with Dolby Digital, SRS, and PCM ensuring that it works successfully with any television ...

  3. Noise-cancelling headphones - Wikipedia

    en.wikipedia.org/wiki/Noise-cancelling_headphones

    Noise -cancelling headphones alongside a carry case. Noise-cancelling headphones are headphones which suppress unwanted ambient sounds using active noise control. This is distinct from passive headphones which, if they reduce ambient sounds at all, use techniques such as soundproofing . Noise cancellation makes it possible to listen to audio ...

  4. Sennheiser - Wikipedia

    en.wikipedia.org/wiki/Sennheiser

    Sennheiser electronic GmbH & Co. KG ( / ˈzɛnhaɪzər /, German pronunciation: [zɛnˈhaɪ̯zɐ]) is a German audio equipment manufacturer headquartered in Wedemark. Sennheiser specializes in equipment for both the consumer and professional audio markets, including microphones, headphones, and loudspeakers . Founded in 1945 by Fritz Sennheiser ...

  5. Best Noise-Cancelling Earbuds: Here’s Where To Get ... - AOL

    www.aol.com/entertainment/best-noise-cancelling...

    While noise-cancelling headphones are great, noise-cancelling wireless earbuds may have the upper hand when it comes to being more compact and lightweight. If you consider yourself an active ...

  6. Boeing still doesn’t know how a plane missing four bolts was ...

    www.aol.com/boeing-still-doesn-t-know-132342888.html

    Nearly 10 hours of hearings. And yet neither Boeing nor the National Transportation Safety Board know how a 737 Max was delivered to Alaska Airlines without the four bolts needed to keep a door ...

  7. Headphones - Wikipedia

    en.wikipedia.org/wiki/Headphones

    The European Union have also set a similar limit for users of personal listening devices (80 dB(A) for no more than 40 hours per week) and for each additional increase of 3-dB in sound exposure, the duration should be cut in half (83 dB(A) for no more than 20 hours, 86 dB(A) for 10 hours per week, 89 dB(A) for 5 hours per week and so on. Most ...

  8. Doctors Answer Your Most Pressing Menopause Questions ... - AOL

    www.aol.com/doctors-answer-most-pressing...

    The most widely used and most effective treatment for many perimenopause and menopause symptoms, including hot flashes and vaginal dryness, is hormone therapy (HT), says Nanette Santoro, M.D ...

  9. Wireless microphone - Wikipedia

    en.wikipedia.org/wiki/Wireless_microphone

    Singer Cody Simpson using a wireless microphone headset in a 2013 concert in Montreal. A wireless microphone, or cordless microphone, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated. Also known as a radio microphone, it has a small, battery-powered radio ...