Modern engineering techniques and high-quality components make these a worthy set of cans.

Koss Pro-4 AAT stereo headphones celebrate the 25th anniversary of their modern-classic Pro-4AA stereophones. This modern adaptation of the Pro 4AA headphones deliver accurate sound and a comfortable, fatigue-less feel with reliable durability. With professional features and high-quality materials, the Koss Pro-4 AAT delivers unmatched sound neutrality in its price range.

The Pro-4 AAT's improved cup design is extremely isolating and enhances signal fidelity. Titanium-coated, high-polymer diaphragms provide accurate sound reproduction with a frequency response of 10-25,000Hz. Innovative closed-ear design provides great response and isolation while oxygen-free copper voice coils give excellent signal clarity. Has a coiled, single entry 8' cord and 1/8" plug with 1/4" adapter.

Koss Pro-4 AAT Professional Stereo Headphones Features:

• Frequency response: 10Hz—25kHz
• Titanium-coated, high-polymer diaphragm
• Closed ear cushions
• Maximum durability
• Oxygen-free copper voice coils
• Coiled, single-entry 8 ft. cord with 1/8" plug and 1/4" adapter
• Impedance: 250 ohms
• Weight: 21.0 oz.
• Sensitivity: 95dB SPL/mW
• Distortion: <0.1%

Classic styling and high-tech, superior sound quality make the Pro 4AATs the ultimate headphone in their price range. Order yours today.

Koss Pro-4 AAT Professional Stereo Headphones

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Average of 8 User Ratings

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these are awesome, and way underpriced

Posted by iwillbefamous1day from Milwaukee, WI on Sep 8, 2007

Experience w/product: I own it

Reviewer's Background: Active Musician/Hobbyist/Band/Recording Engineer

Reviewer's Play Style: Rock, Alternative, Jazz, Indie, Classic Rock

Ive had the koss pro4aaT 4 around a half of a year. They are great. It is true that they are rather heavy, and they need a real source of power(i.e. not an ipod or somethin, but a mixer or recorder). I have another pair of koss headphones. They are good, but nothing compares to these. The old ones my band would use were some sharper image ones, that only feel good on your ears, but produce terrible sound. They cut out the low end so much. I got these from a raffle, and all I have to say is, recording and mixing has never been the same. They are definitely worth way more than this price.

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Real Studio Cans on a Budget

Posted by Moose Lewis from Richmond, VA on Oct 16, 2006

Experience w/product: I own it

Reviewer's Background: Musician/Songwriter/Engineer/Producer

Reviewer's Play Style: Folk/Rock/Alternative/Metal

OK, guys - these things require real power and are a little heavy (just like real pro studio monitor headphones). Your walkman, or the headphone jack on your 8 channel mixer won't cut it.

If you're looking for a good flat monitor to record with that will handle the big output of DAWs without distorting and crackling - HERE THEY ARE.

They outperform Sonys that I paid 4x as much for; without muddy bass masking the track I'm recording. Crisp & clean. I get less bleed into the mic when recording vocals than with any other set (4) I've owned in the last two years - so they do seal well.

No complaints - just productivity. They require about a 3 month burn-in period to get their true sound; so plug 'em up and leave running awhile.

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Poor sound quality

Posted by Not a Happy Guy.... from Salt Lake City on Nov 11, 2005

Experience w/product: I own it

Reviewer's Background: Recording Engineer/Musician

Reviewer's Play Style: Rock

These headphones are heavy and don't seal well around one's head well. They are supposed to be isolated but without a good seal like was advertised, I'm afraid I cannot give them a good review. They are built using many parts, small screws and rubber trim and such, and I can't see why they went through all the trouble to engineer such an attractive headphone without paying more attention to the sound quality. They sound like you are listening through a sea shell, peak in the midrange, poor bass response -I was disappointed. I owned a pair of Koss headphones when I was much younger and they were great, these are not the Koss that I remember.

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Good Headphones

Posted by tmurrypa from Pittsburgh, PA on Feb 3, 2005

Experience w/product: I own it

Reviewer's Background: Musician

Reviewer's Play Style: Classical, Rock, Jazz

These Koss classics are a good set of headphones. Though they are heavy (over a pound), they produce excellent sound quality and are perfect for recording studio applications or simply kicking back and listining to some soft jazz. I feel that the Pro 44A T model (this is the old fashioned looking one) is better than this model, simply because of its retro look and nice feel. I have had experience with both models, and both produce overall good sound. One final thing to note: that cute little picture shows the ear seals as being "inflated" round cushions. They are a SOFT material called pneunolamite that is almost like a gel around your ears. The ear cushions are not hard plastic as they may appear in the picture!!

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Typically Koss

Posted by Erik from The Netherlands on Dec 29, 2004

Experience w/product: I own it

Reviewer's Background: music hobbyist

Reviewer's Play Style: hard rock

I owned a Koss pro/4x plus for about 20 years. But since it didn't quite function the way it should (electrical malfunction), I have been searching for a replacement for many years. And I just couldn't find one!. I tried so many models and brands but I could not make a decision to buy another one. Until I met this one. At last another headphone that fulfills my needs again. Though it wears heavily and you'll get the typical Koss-red-ears, the quality is simply magnificent. Once a Koss, never anything else!!!

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Koss Pro-4 AAT Professional Stereo Headphones

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