4.5 (66) In stock
Koss Pro4AA headphones set the standard for full size professional headphones.
Koss Pro4AA headphones set the standard for full size professional headphones. They were introduced in 1970 as the first dynamic headphones to deliver true full frequency and high fidelity performance with impressive noise isolating capabilities.
Koss Pro4AA Impressions – 50 years later - Headphone Discussion / Help - HifiGuides Forums
The Pro4S Studio Headphone is specifically crafted for professionals who use headphones every day to create the world's greatest music.
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Koss Pro4AA Over-Ear Headphones
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