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Koss Corporation is an American company that designs and manufactures headphones. Headquartered in Milwaukee, Wisconsin since 1958, the company invented the first high fidelity stereophones. Koss continues to design and manufacture headphones and audio accessories.


Renowned for the invention of the original SP/3 stereophones, Koss has been pioneering hi-fi since 1958 - three generations of American ingenuity, integrity and incomparable quality.


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Warranty or Repair within the United States. If you have not done so, please register your stereophone by clicking here. Once you have completed registration , you may send your warranty items to our Corporation and we will repair or replace them in accordance with our Limited Warranty. Our address is: Koss Corporation


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Oct 1, 2013 ... Koss Corporation is a manufacturer of headphones and related accessories. Its products are sold through national retailers, international distributors, audio specialty stores, the internet, direct mail catalogs, regional department store chains, discount department stores, military exchanges and prisons under ...


Aug 14, 2015 ... Koss Corporation (NASDAQ:KOSS) is a U.S. based maker of high-end headphones. It offers full-size and earbud headphones as well as microphones, communication headsets and other related products. This company's history goes back to 1958 when founder John Koss developed the first stereo ...


Koss Corporation financial and business news, updates, and information from The New York Times and other leading providers.


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