Koss Headphones

Koss Corporation became the premier manufacturer of stereo headphones after inventing the device for consumers in 1958. The stereo headphone was conceived by company founder John Koss and his partner Martin Lange, though the pair had no idea what a breakthrough they were making.

Koss products are manufactured in the United States, and include a complete line of headphones, from high-end equipment geared to serious audiophiles and music professionals to inexpensive gear sold at mass merchandisers.

In recent years Koss has also moved into non-retail markets, selling its audio gear to the telecommunications industry, the aviation industry, and to the audio demonstration market.