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.

This item is sold As-Described

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Listeda year ago
ConditionMint (Used)
Mint items are in essentially new original condition but have been opened or played.Learn more
Brand
Model
  • PRO4AA
Categories
Year
  • Mid 70s
Made In
  • United States

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Jason's Gear Outlet

London, United Kingdom
Sales:3
Joined Reverb:2024

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