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Koss is a name that everyone associates with great sound. In 1958 John C. Koss teamed and engineer Martin Lange, Jr. developed a portable stereo phonograph player with side-wing speakers and showed it off at a Wisconsin audio show. It was a hit. Then came the original SP/3 Stereophone which allowed listeners to experience sound in a whole new way. Koss headphones and products have been popular ever since. Koss.com delivers quality sound headphones and more at reasonable prices. They have a wide variety to choose from. Nothing stimulates the senses like music and music only sounds as good as your equipment.