Connect to Lightning smartphones, and devices with Porta Pro Utility and the Lightning Utility Cord.
The acclaimed Porta Pro® Limited Edition Rhythm Beige is now Back in Stock at Koss.com and our Amazon storefront.
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Learn more about new products, our history and how Koss makes the world's greatest headphones.
Find the perfect Porta Pro® in the new collection page.
Koss offers a wide range of headphones and headsets designed for healthcare, education and multi-user environments.
The acclaimed Koss ESP/950 sets the standard for electrostatic headphones.
The history of Koss spans over 60 years of ingenuity, integrity and innovation. Here is our story. #TheOriginal
Our most popular headphones are also available at our Amazon Storefront.
Explore the full-line of Koss Communication Headsets with electret noise-cancelling microphones.
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Find the perfect pair by visiting our Instagram page for a closer, more personal look at our most popular headphones.
This is the story of how John C. Koss invented the World's first SP/3 Stereophone in 1958, forever changing the way we all listen to music.
Koss Stereophones
