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Koss Porta Pro StereophoneKoss Porta Pro Stereophone
Koss KSC-75 Titanium StereophoneKoss KSC-75 Titanium Stereophone
Koss BT221i Bluetooth HeadphonesKoss BT221i Bluetooth Headphones
Koss Porta Pro Wireless StereophoneKoss Porta Pro Wireless Stereophone
Koss Porta Pro Foam Replacements
Koss Porta Pro with Mic/Remote HeadphonesKoss Porta Pro with Mic/Remote Headphones
Koss Porta Pro KTC Portable HeadphonesKoss Porta Pro KTC Portable Headphones
Koss Pro4S Professional HeadphonesKoss Pro4S Professional Headphones

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Introducing Koss

Headphones had been around for decades, but no one produced high fidelity headphones for the sheer enjoyment of music. Until 1958, that is, when John C Koss showed the Koss SP/3 Stereophone at a trade show. That introduced personal, private listening to the world.

In the more than six decades since, Koss has continued to craft a range of headphones, from the lightweight portable models in the Koss Porta Pro range up to over ear closed back models and to high-end electrostatic models.

But apparently the company has fun, too. It still has the original Koss SP/3 Stereophone listed on its product page, albeit showing it as “Sold out”.