PRO4AAOver 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.

 

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Retired in the late ’80s, Koss swiftly returned the Pro4AA headphones to its product lineup due to overwhelming popular demand. They have since remained a staple of studio headphones in the radio and recording industries. Koss Pro4AAs meet the stringent demands of broadcast and recording professionals who require reliable equipment and superior performance. The full size professional headphones keep unwanted sounds out while letting every note in. Whether you’re a sound professional or an audiophile, Pro4AAs deliver superior isolation, accurate reproduction and sound intensity, and the excitement of a live performance with every recording. Connecting with your music has never sounded so good.
Specifications

Customer Reviews

Based on 11 reviews
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P
Paul
Best headphone period

Most of the bad reviews you hear from these are people using them on thier phones or computers without a headphone amp,an absolute must.These have to have a decent amp to get the best sound.
I recently bought a pair of HI Fi Man Sundaras,the best selling headphone out there.
The Koss Pro 4 AAs are superior in bass response and detail retrieval.
Sundaras have a wider soundstage,but are horrible with thin bass.I have both phones pictured.
I also compared the Pro 4AAs to Seinhiesser 599s,again,Koss comes out ahead.
It's interesting to note that Roger Waters used the Pro 4 AAs when he recorded Dark Side Of The Moon.
Another hidden gem by Koss is the pro4 xx,and the Pro 4 AAA I wish they would produce again.

T
Thomas Gee
Too heavy

I love the sound of these headphones. The clarity is outstanding. That being said, they are by far the most uncomfortable headphones I have ever worn. They are just too heavy. I cannot wear them foremore than 15 minutes. In addition, the plastic part between the headphones digs into the top of my head. I will never buy these headphones ever again.

S
Sharron Dalton
Over the top

I have used the PRO3 for well over 20 years, and finally needed a replacement. I upgraded to the PRO4 and they are just magnificent. The frequency response is, of course, better then most inputs, but on a really good system, these shine like the sun. I am absolutely thrilled with this upgrade. Should have done it 10 years earlier.

M
Michael Boone
Volume Control

A perfect match of my 1973 phones except that this pair has no volume control and that s---s.

W
Willard Arbour
Always My First Choice

I’ve been a radio broadcaster for 32 years. My first choice in headphones has always been the Koss Pro4AA’s.
Sure the stations always supplied headphones for their announcers but as soon as I got my first paycheck, these were the first thing on my shopping list. The sound is great and the excellent isolation insures that you can turn it up without the danger of feedback. So, turn it up! You won’t miss a detail with these “cans.”

The History of Koss

The history of Koss spans over 60 years of ingenuity, integrity & innovation. #TheOriginal