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  2. Headphones - Wikipedia

    en.wikipedia.org/wiki/Headphones

    The impedance of headphones is of concern because of the output limitations of amplifiers. A modern pair of headphones is driven by an amplifier, with lower impedance headphones presenting a larger load. Amplifiers are not ideal; they also have some output impedance that limits the amount of power they can provide.

  3. Noise-cancelling headphones - Wikipedia

    en.wikipedia.org/wiki/Noise-cancelling_headphones

    Simplified graphical depiction of active noise reduction. To cancel the lower-frequency portions of the noise, noise-cancelling headphones use active noise control or ANC.A microphone captures the targeted ambient sounds, and a small amplifier generates sound waves that are exactly out of phase with the undesired sounds.

  4. Audio headset - Wikipedia

    en.wikipedia.org/wiki/Audio_headset

    Audio headset. A typical call center/office headset. A headset is a combination of headphone and microphone. Headsets connect over a telephone or to a computer, allowing the user to speak and listen while keeping both hands free.

  5. The best soundbars for your TV in 2024: No more ... - AOL

    www.aol.com/lifestyle/best-soundbars-for-tv...

    Best affordable Dolby Atmos soundbar. $449 at Amazon. More options. Sonos Arc Premium Smart Soundbar. Best smart soundbar. $879 at Amazon. See 2 more. As a technology journalist with over 30 years ...

  6. Hearing aid - Wikipedia

    en.wikipedia.org/wiki/Hearing_aid

    FM systems have shown to give the best speech understanding in noise of all available technologies. FM systems can also be hooked up to a TV or a stereo. 2.4 gigahertz Bluetooth connectivity is the most recent innovation in wireless interfacing for hearing instruments to audio sources such as TV streamers or Bluetooth enabled mobile phones.

  7. Download, install, or uninstall AOL Desktop Gold - AOL Help

    help.aol.com/articles/aol-desktop-downloading...

    Download Desktop Gold. AOL Desktop Gold is included at no additional cost with your membership. 2. Under 'All Products' scroll to 'AOL Desktop Gold'. If you have an AOL Desktop Gold trial or subscription. Using the link in the Official AOL signup confirmation email you received. 1.

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