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  • Koss Pro-4AA Studio Quality Headphones
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Koss Pro-4AA Studio Quality Headphones

by Koss
| 3 answered questions

List Price: $99.99
Price: $91.83 & FREE Shipping. Details
You Save: $8.16 (8%)
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Ships from and sold by Amazon.com. Gift-wrap available.
  • 10 - 25,000 Hz frequency response
  • Closed ear cushions for maximum bass and isolation
  • Includes microphone mount hardware
  • 10 foot cord
  • .25-inch plug
5 new from $90.68

Frequently Bought Together

Koss Pro-4AA Studio Quality Headphones + 3.5mm M to 1/4-Inch F Adapter
Price for both: $93.29

These items are shipped from and sold by different sellers.

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Technical Details

  • DJ-style
  • Microphone-Feature

Product Details

  • Shipping Weight: 2 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B00004Z7G9
  • Item model number: PRO/4AA
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (167 customer reviews)
  • Date first available at Amazon.com: May 14, 2003

Product Description

Amazon.com

The Koss Pro-4AA stereo headphones were built with studio and broadcast use in mind. Closed-ear cushions provide excellent isolation and bass, while high and low sounds come in clear due to its 10 to 25,000 Hz frequency response.

The Pro-4AA includes microphone mount hardware, 0.25-inch plug, and a coiled, single-entry 10-foot cord.

Product Description

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. 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 youre 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.

Customer Questions & Answers

Customer Reviews

Get these if you want some great sounding headphones.
Wesley D. Sopchak
Your head won't be used to it but after you wear this for a few days and get past a little neck pain, your muscles will strengthen and then you get all the benefits.
MISTER SJEM
They reproduce deep Bass without distortion and Treble notes are clear and crisp with fine detail.
E. Hughes

Most Helpful Customer Reviews

115 of 117 people found the following review helpful By Daniel L Edelen TOP 1000 REVIEWERVINE VOICE on December 2, 2002
I think the Koss Pro-4AA headphones were the phones of choice for Noah on his ark - they've been around a LONG time. And contrary to some longstanding products that stick around in spite of newer, more technically advanced competitors simply because a bunch of eccentrics swear by them, these phones are a fabulous choice for anyone at any time.
And now the pros and cons...
Cons:
1) Heavy, heavy, heavy. Watch your neck.
2) If you have a large head, these phones can give you headaches as the headband design puts a lot of pressure on your temples and ears.
3) The coiled cord has a tendency to increasingly pull on one side of the phones as you get closer to its length limit. That this starts to happen around the halfway point is troubling.
4) Not a stylish set of phones. Almost retro in appearance. The ill green color could have been changed long ago.
5) The earpiece's circumaural seals are filled with air and will deflate if punctured. This is the Achilles heel of the phones.
6) The cord cannot be easily replaced. If you get a short, you're done for.
Pros:
1) Superior, extended frequency range. Clean and flat. Still the best sounding phones I have heard in their price range. Sounds as good as phones that go for twice the price.
2) Circumaural, closed design holds in the thunderous bass and stifles the outside world.
3) Still the choice of many professionals. It's amazing how many DJs continue to use this model.
4) The price is outstanding for the quality of sound delivered.
5) Built like a tank. My first pair lasted ten years of constant use. (They never did break down, I replaced them for another reason.)
For a home system, this is a fine set of cans. If you want something portable, look elsewhere. Consider buying a cord extension, too, if you plan to sit somewhere else besides right near your stereo. And let people know that with them on, you'll be in your own musical world for a while. Sit back and enjoy!
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52 of 52 people found the following review helpful By Arman Harutyunyan on January 12, 2003
These are great headphones. The sound quality is excellent and very clear; they handle treble and bass without any fuss, and have the largest frequency response on a headphone under $100 I've seen. I've heard many good things about Koss headphones, and decided to get these after reading the positive reviews on the Internet. When I got them, I realized that I underestimated how heavy these headphones are. I've read all the warnings, but never imagined headphones could be so heavy - but they are! Imagine having a pair of speakers hanging from your head - you get speaker quality sound, but you also get speaker weight. These are pretty hard to drive - my Pioneer receiver did fine, but my computer's Sound Blaster Platinum had trouble pushing these headphones to the same level.
I finally returned them after a month of use, not because of poor sound (these headphones really rock when it comes to sound, even at very loud levels, I didn't hear distortion till 98db), but out of sheer discomfort - I couldn't listen to them for more than half an hour at a time, and my head and ears got very sweaty because of the cushions. I needed headphones that sounded good and that I could wear for prolonged periods of time. Koss Pro 4AA offered great sound at a great price, but I couldn't wear them while writing a paper or reading a book. Recommended for people who have strong necks and want to hear everything clearly and without distortion. Perfect for isolation from outside noise and studio monitoring when hearing every exact detail of the recording is essential.
Strengths:
Excellent detailed sound - perfect treble, almost perfect bass. Very good for critical listening - you'll hear stuff you've never heard before. Isolation from outside noise. Retro look (if you're into that).
Weaknesses:
Heavy! VERY heavy!
Similar Products Used:
Sony MDR V300, V600, V700DJ, Sennheiser 495 & 497, cheap Jensens & Aiwas
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30 of 31 people found the following review helpful By THOMAS M ADAMS on December 12, 2001
These are perfect for my application. I am a studio drummer who mixes 4 drum mics through a Macke 1202 VLZ Pro and the recording I am to play with. I use the output of this mix through these great headphones for perfect playing balance. The fact that they eliminate most of the actual ambient sound of the drum set and allow me to here the mixed output of the drums and recording (only) make them well worth the price. They have a great bass response as well as mid and highs and are perfect for me to establish a feel as if I am playing with the recording live.
The only negatives I can come up with are that they are heavy and adjustments of the position of the speakers on my ear are limited and cumbersome. Also, they will cause your ears to sweat after a long session and if your ears are sensitive to this you must let them breathe.
However, there must be tradeoffs, and the quality of these phones well outway the negatives. Don't buy them to jog with. They are not meant for that. However; if you want to emerse yourself into the music without outside sound interruptions these are the headphones for you. You can hear things you will never hear through your speaker system with these phones.
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20 of 20 people found the following review helpful By B. Lynch on January 13, 2006
The KOSS Pro-4AA's were not made for iPod/MP3 headphone users. TO begin with, they reveal the low fidelity of MP3 files (compared with LP's or CD's). Also, they require a 1/4"-to-3.5mm (or other) adapter in order to plug into most recent audio playback and computer equipment.

These Headphones have been around a long time. Check out the old photos of the "Watergate" hearings from 1973/1974, and notice that the Senators & attorneys were all listening to the Nixon tapes through KOSS Pro 4AA headphones. Their longevity is mainly due to their extermely high fidelity audio reproduction. Unfortunately, their age has made them somewhat inconvenient for most listeners, since they are very heavy and a bit cumbersome.

NEGATIVES:

1) Weight (about 3 or 4 times as heavy as most contemporary studio-reference headphones)

2) Tight headband - as noted, the fit is fatiguing if your 'hat size' is greater than 7.

3) The coiled cord is extremely difficult to replace (it's actually less expensive to replace the entire set of headphones of you can get a good discount).

POSITIVES:

1) AUDIO FIDELITY. Unless you want to spend at least $300 for a set of headphones, the sound quality and fidelity of the Pro-4AA's is almost impossible to beat.

2) VALUE. As noted above, for the price you pay, these are vastly superior to any other headphones that are comparably priced.

3) DURABLE. My first pair lasted 30 years. They were dropped and knocked around, and finally gave out when (It think) a voltage spike surged in the left earphone, fusing a coil.

4) ISOLATION. THe paddded earphones block out external sound very well.

The sound fidelity is preserved over a wide volume range.
Read more ›
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