The Story of the Stereo Headphone

The Story of the Stereo Headphone
In 1958 John C. Koss transformed his hospital television and repair business into a Worldwide Headphone icon when he invented the World's First Sp/3 Stereo Headphone in Milwaukee. Watch the video below to see the story. Line
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History: The Koss SP/3X

History: The Koss SP/3X

In 1958, John C. Koss invented personal listening with the World’s First SP/3 Stereophone. Koss sought to replicate the excitement of a live musical performance and the original SP/3 stereophone al... more

Headphone School: The World's First Koss SP/3 Stereophone That Started It All

Headphone School: The World's First Koss SP/3 Stereophone That Started It All

In 1958, John C. Koss invented personal listening with the world’s first SP/3 Stereophone. Koss sought to replicate the excitement of a live musical performance and teamed up with engineer Martin L... more

Koss Clear Transparent Headphones

Koss Clear Transparent Headphones

Explore the wide range of clear and transparent headphones from Koss in both Over ear and On ear including KPH30i Clear, Porta Pro Utility, CL/80, CL-20, CL-5 and CL-2. Shop Now     more