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  2. Monster Cable - Wikipedia

    en.wikipedia.org/wiki/Monster_Cable

    Monster Cable Products Inc. Monster Inc. is an American company that manufactures and markets about 6,000 products, but is best known for audio and video cables. It also produces speakers, headphones, power strips, mobile accessories and audio devices for automobiles. The company was founded by an audiophile and engineer, Noel Lee, in 1979 by ...

  3. List of Bose headphones - Wikipedia

    en.wikipedia.org/wiki/List_of_Bose_headphones

    QuietComfort 20. The "QuietComfort 20" (QC20) and QC20i in-ear headphones were released in 2015 and are the company's first in-ear noise cancelling headphones. [19] It received a 2014 Red Dot Design Award. [20] Also, it received a CNET 's Editors' Choice Award of 4.5/5 points for its active noise-cancelling.

  4. Beats Electronics - Wikipedia

    en.wikipedia.org/wiki/Beats_Electronics

    Beats Electronics. Beats Electronics LLC (also known as Beats by Dr. Dre, or simply Beats by Dre) is an American consumer audio products manufacturer headquartered in Culver City, California. [1] [2] The company was founded in 2006 by music producer Dr. Dre and record company executive Jimmy Iovine. Since 2014, it has been an Apple subsidiary.

  5. Noel Lee (executive) - Wikipedia

    en.wikipedia.org/wiki/Noel_Lee_(executive)

    Noel Lee (executive) Noel Lee (born December 25, 1948) is an American engineer, inventor, and businessman. He is the founder and CEO of Monster Inc. Lee graduated from California Polytechnic State University with a bachelor's degree in mechanical engineering and subsequently did work in laser fusion for the Lawrence Livermore National ...

  6. Crystal radio - Wikipedia

    en.wikipedia.org/wiki/Crystal_radio

    Crystal radios were the first widely used type of radio receiver, and the main type used during the wireless telegraphy era. Sold and homemade by the millions, the inexpensive and reliable crystal radio was a major driving force in the introduction of radio to the public, contributing to the development of radio as an entertainment medium with ...

  7. Headphones - Wikipedia

    en.wikipedia.org/wiki/Headphones

    Headphones are a pair of small loudspeaker drivers worn on or around the head over a user's ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. Headphones let a single user listen to an audio source privately, in contrast to a loudspeaker, which emits sound into the open air for anyone nearby ...

  8. HiSilicon - Wikipedia

    en.wikipedia.org/wiki/HiSilicon

    HiSilicon (Chinese: 海思; pinyin: Hǎisī) is a Chinese fabless semiconductor company based in Shenzhen, Guangdong province and wholly owned by Huawei.HiSilicon purchases licenses for CPU designs from ARM Holdings, including the ARM Cortex-A9 MPCore, ARM Cortex-M3, ARM Cortex-A7 MPCore, ARM Cortex-A15 MPCore, ARM Cortex-A53, ARM Cortex-A57 and also for their Mali graphics cores.

  9. Wireless telegraphy - Wikipedia

    en.wikipedia.org/wiki/Wireless_telegraphy

    Wireless telegraphy or radiotelegraphy, commonly called CW ( continuous wave ), ICW (interrupted continuous wave) transmission, or on-off keying, and designated by the International Telecommunication Union as emission type A1A or A2A, is a radio communication method. It was transmitted by several different modulation methods during its history.