PRO4AA
Over Ear 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.
Superior Noise Isolation
First dynamic headphones to deliver true high fidelity performance with impressive noise isolating capabilities.
Dynamic and Durable
Exceptional durability, ensuring they can withstand frequent use and demanding environments.
Coil Cord
Convenient and compact 8 foot coiled cord with 6.3mm (1/4inches) plug.
