The Original American Stereophone Company

Ever since I invented the world’s first SP/3 Stereophone back in 1958, Koss Stereophones have been bringing back the excitement of a live performance. Music lovers around the world recognize that dedication to accuracy in sound reproduction as: The Sound of Koss®


John C. Koss, Founder

The Original American Stereophone Company still continues to make history.

Read more in KOSS’ blog to learn more about our latest innovations.