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  2. The 7 Best Wireless Surround Sound Systems for an ... - AOL

    www.aol.com/lifestyle/best-wireless-surround...

    Best Wireless Surround Sound Systems. Best for Audio Fanatics: Nakamichi Shockwafe Elite. Best Theater Sound: Sony HT-A7000. Best Value: VIZIO M-Series 5.1. Best Upgrade For A Wired System ...

  3. Prime Day 2022: the best early deals and everything you ... - AOL

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    Bookmark this page to check back for all the best deals. Today's Best Prime Day Deal . ... Portable Bluetooth Speaker, $207 (was $400), amazon.com. ... Best early Prime Day Amazon device deals ...

  4. Day 2 October Prime Day deals are here: These are the very ...

    www.aol.com/lifestyle/the-very-best-october...

    Day 2 of Amazon's 2024 October Prime Day sales event (formally called Prime Big Deal Days) is underway now, with brand new deals dropping throughout the day until the sale ends at midnight tonight ...

  5. Laser turntable - Wikipedia

    en.wikipedia.org/wiki/Laser_turntable

    William K. Heine presented a paper "A Laser Scanning Phonograph Record Player" to the 57th Audio Engineering Society (AES) convention in May 1977. [1] The paper details a method developed by Heine that employs a single 2.2 mW helium–neon laser for both tracking a record groove and reproducing the stereo audio of a phonograph in real time.

  6. List of Bose home audio products - Wikipedia

    en.wikipedia.org/wiki/List_of_Bose_home_audio...

    From 1990 until the early 2010s, Bose sold several 2.1 channel audio systems. The systems used two small satellite speakers and a subwoofer. Early versions of the systems used an in-built CD player, followed by a DVD player. Later versions were AV receivers that used external audio sources.

  7. Laser microphone - Wikipedia

    en.wikipedia.org/wiki/Laser_microphone

    On 25 August 2009, U.S. patent 7,580,533 was issued for a device that uses a laser beam and smoke or vapor to detect sound vibrations in free air ("Particulate Flow Detection Microphone based on a laser-photocell pair with a moving stream of smoke or vapor in the laser beam's path"). Sound pressure waves cause disturbances in the smoke that in ...

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