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DTS (sound system company) - Wikipedia
https://en.wikipedia.org/wiki/DTS_(sound_system_company)
DTS (sound system company) DTS, Inc. (originally Digital Theater Systems) is an American company that makes multichannel audio technologies for film and video. Based in Calabasas, California, the company introduced its DTS technology in 1993 as a competitor to Dolby Laboratories, incorporating DTS in the film Jurassic Park (1993).
List of Bose home audio products - Wikipedia
https://en.wikipedia.org/wiki/List_of_Bose_home_audio_products
The first 2.1 audio system from Bose to include a DVD player was the "3-2-1", released in 2001. The "3-2-1 GS" model was introduced in 2003, named for its use of Bose "Gemstones" small speakers (which have two drivers pointing forward and one pointing to the side).
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