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July 5, 2015

Sound and Vision Reviews the Pro4S

Koss Headphones

Koss Headphones

"The Pro4S lets the music speak for itself." Read the complete review here

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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®.

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