Koss pro4aa noise-isolating professional… #7522y

Koss Pro4aa Noise-Isolating Professional Studio Headphones TanKoss Pro4aa Noise-Isolating Professional Studio Headphones Tan
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 Koss Pro4aa Noise-Isolating Professional Studio Headphones Tan 180662 Pro Audio, Headphones, Consumer Headphones

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Koss Pro4aa Noise-Isolating Professional Studio Headphones Tan