Koss Corporation is an American company that designs and manufactures headphones. Headquartered in Milwaukee, Wisconsin since 1958, the company  ...


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


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Koss Headphones. Join Our .... Ever since I invented the world's first SP/3 Stereophone back in 1958, Koss ... Koss Corporation • 4129 N. Port Washington Ave.


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Koss Corporation is the leading U.S. maker of stereo headphones. The company pioneered the stereo headphone in the 1950s. The product was invented by ...


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