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Koss PRO4AA Noise-Isolating Professional Studio Headphones Tan 

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Koss Pro4AA headphones set the standard for full size professional headphones. They were introduced in 1970 as the first dynamic headphones to delive...Read More

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OVERVIEW

Incredibly reliable, noise isolating headphones still going strong since 1970.

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 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.

FEATURES
  • Noise isolating professional studio headphones
  • The first dynamic headphones to deliver true full frequency, high fidelity performance
  • Standard-setting design incorporates performance-enhancing technology
  • Superior isolation, accurate sound reproduction and the excitement of a live performance
  • Durable steel and generously padded rubber headband
  • Adjustable slide bars ensure snug fit
  • 8 foot coiled cord with 6.3 mm (1/4") plug

A staple in noise isolated monitoring since 1970; see what the fuss is about.

SPECIFICATIONS

PRO4AA Noise-Isolating Professional Studio Headphones

  • Frequency Response: 10-25,000 Hz
  • Impedance: 250 ohms
  • Sensitivity: 95dB SPL/1mW
  • Cord: Coiled, Single Entry, 10ft
Reviews
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Review Snapshot®

by PowerReviews
KossPRO4AA Noise-Isolating Professional Studio Headphones
 
4.4

(based on 12 reviews)

Ratings Distribution

  • 5 Stars

     

    (10)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (1)

83%

of respondents would recommend this to a friend.

Pros

  • Durable (10)
  • Good audio (10)
  • Easy to use (5)
  • Versatile (5)

Cons

  • Bulky/heavy (3)

Best Uses

  • Amateur recording (6)
  • Home studio (6)
  • Professional recording (5)
    • Reviewer Profile:
    • Experienced (7), Professional musician (3)

Most Liked Positive Review

 

Good stereophones with a '70s look

Good insulating headpones. The vintage design is quite nice, if you like it. Driven by a stereo amplifier performs very well with a precise bass, never booming and a precise midrange and high...Read complete review

Good insulating headpones. The vintage design is quite nice, if you like it. Driven by a stereo amplifier performs very well with a precise bass, never booming and a precise midrange and high tones reproduction.
Also tried with an amateur radio tranceiver and ssb voice and am music listening is quite good.
Only a word of warning: some portable audio gear may not be suitable to these headphone due their high impedance. Tried with a portable CD player and the volume output was quite low. On other portable gear the volume output was reasonable: i tried with a Samsumg mp3 player and the volume, while not really loud was satisfactory.

VS

Most Liked Negative Review

 

old tech

these headphones emulate the best in 70's technology. They are heavy. They are hot and make your head sweat. They are not efficient, so driving them with anything other than a very...Read complete review

these headphones emulate the best in 70's technology. They are heavy. They are hot and make your head sweat. They are not efficient, so driving them with anything other than a very strong audio source results in a relatively quieter response. But it's 2014 and many great advances in earbud and headphone technology have evolved over the last 40 years. Buy something else.

Reviewed by 12 customers

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Displaying reviews 1-10

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5.0

I love this headphone!

By Steve

from Winter Park, FL

About Me Experienced

Pros

  • Clear Sound
  • Durable

Cons

  • Bulky/Heavy

Best Uses

  • Performances

Comments about Koss PRO4AA Noise-Isolating Professional Studio Headphones:

This headphone seals off all extraneous noises and gives a clear and accurate sound so that I can properly mix the band. It is also great for listening to my favorite recordings. I also own a pair of Koss HV1 since the seventies. Koss is very well built.

Comment on this review

 
5.0

Don't pay attention to negative reviews!

By Dane

from NJ

About Me Experienced

Ask me a question

Pros

  • Clear Sound
  • Durable

Cons

    Best Uses

      Comments about Koss PRO4AA Noise-Isolating Professional Studio Headphones:

      I have heard negative reviews before purchasing and it almost changed my decision. I'm glad it didn't.
      Koss has been around a long time and there is a reason they revived this old model!!
      Yes they are heavier than most and they might be a little tight for some but isn't that what you want for a pro sound application!!
      Isolation is awesome as well as the sound. Give it a few hours of break in and you'll hear how natural the sound is.
      I also find them comfortable, anyone old enough to have headphones from the 70's and early 80's know what it's like to have headphones hurt! These fit well have good adjustment and feel good.

      Comment on this review

      (0 of 1 customers found this review helpful)

       
      5.0

      Very Pleased

      By Gunner

      from Northern Michigan

      About Me Experienced

      Pros

      • Clear Sound
      • Comfortable
      • Durable
      • Soft Coil Wire
      • Versatile

      Cons

      • none

      Best Uses

      • Amateur Recording
      • Home Studio
      • Relaxed Listening

      Comments about Koss PRO4AA Noise-Isolating Professional Studio Headphones:

      Would be nice to have a hanger on top, do not want to rune the top pad so I lay them down. Everything I have is black so it is nice to have a color this one has so I can find it. The top pad is real nice because all the weight is carried by it allowing the ear peaces to be adjusted easily. Would like have seen the mike that went with them.

      Comment on this review

       
      2.0

      old tech

      By edacrowe

      from Carlsbad, CA

      About Me Experienced

      Pros

        Cons

          Best Uses

            Comments about Koss PRO4AA Noise-Isolating Professional Studio Headphones:

            these headphones emulate the best in 70's technology. They are heavy. They are hot and make your head sweat. They are not efficient, so driving them with anything other than a very strong audio source results in a relatively quieter response. But it's 2014 and many great advances in earbud and headphone technology have evolved over the last 40 years. Buy something else.

            Comment on this review

             
            5.0

            Professional Quality

            By Audiolad

            from Atlanta, GA

            About Me Experienced

            Ask me a question

            Pros

            • Clear Sound
            • Durable
            • Versatile

            Cons

              Best Uses

              • Home Studio
              • Professional Recording

              Comments about Koss PRO4AA Noise-Isolating Professional Studio Headphones:

              Most talk about their wonderful sounding headphones and these do produce excellent sound. However, you notice the bolt on the side, that's what studio used to hang a voice mike. They isolate to allow a singer to listen to the track in his headphones and sing through the mike. My two pair are only 42 years old, so I can't really discuss quality. Frank Sinatra used these in the recording studio. Enough said.

              Comment on this review

               
              5.0

              old school cans .

              By Electric Cat Studios

              from KCMO

              About Me Professional Musician

              Pros

              • Clear Sound
              • Durable
              • Easy To Use
              • Real Pro Headphones

              Cons

              • 250ohm
              • Bulky/Heavy

              Best Uses

              • Amateur Recording
              • Events
              • Home Studio
              • Mobile DJ
              • Professional Recording

              Comments about Koss PRO4AA Noise-Isolating Professional Studio Headphones:

              These cans are the real deal, there's a good reason they have been unchanged since 1970, they are the sm58 of cans, newbies should buy these first so they have a standard to compare to.

              Comment on this review

              (2 of 2 customers found this review helpful)

               
              5.0

              Good stereophones with a '70s look

              By Mike

              from Italy

              About Me Novice

              Pros

              • Clear Sound
              • Durable
              • Versatile

              Cons

              • Bulky/Heavy

              Best Uses

              • Amateur Recording
              • Listening music

              Comments about Koss PRO4AA Noise-Isolating Professional Studio Headphones:

              Good insulating headpones. The vintage design is quite nice, if you like it. Driven by a stereo amplifier performs very well with a precise bass, never booming and a precise midrange and high tones reproduction.
              Also tried with an amateur radio tranceiver and ssb voice and am music listening is quite good.
              Only a word of warning: some portable audio gear may not be suitable to these headphone due their high impedance. Tried with a portable CD player and the volume output was quite low. On other portable gear the volume output was reasonable: i tried with a Samsumg mp3 player and the volume, while not really loud was satisfactory.

              Comment on this review

              (0 of 7 customers found this review helpful)

               
              1.0

              NO GO

              By Viking

              from Texas

              About Me Experienced

              Verified Buyer

              Pros

              • Easy To Use

              Cons

              • Poor Sound Quality
              • Unreliable

              Best Uses

              • None

              Comments about Koss PRO4AA Noise-Isolating Professional Studio Headphones:

              I ordered these headphones because I owned a pair that I bought in the 70's. When they arrived I unpacked them and plugged them into my amplifier. I couldn't hear anything in the left earpiece. I tried them again plugging them into my stereo, still no sound in the left earpiece. I returned them and for a pair of Roland RH 300's.

              Comment on this review

              (1 of 1 customers found this review helpful)

               
              5.0

              Value +++++

              By ML

              from Philadelphia

              About Me Experienced

              Ask me a question

              Verified Buyer

              Pros

              • Clear Sound
              • Durable

              Cons

                Best Uses

                • Amateur Recording
                • Home Studio
                • Professional Recording

                Comments about Koss PRO4AA Noise-Isolating Professional Studio Headphones:

                Good sound, can handle loud volume, heavy duty construction. The curly cord is a nice feature.

                Comment on this review

                (2 of 2 customers found this review helpful)

                 
                5.0

                Can not go wrong

                By Austin

                from Minnesota

                About Me Professional Musician

                Pros

                • Clear Sound
                • Durable
                • Easy To Use

                Cons

                  Best Uses

                  • Amateur Recording
                  • Events
                  • Home Studio
                  • Mobile DJ
                  • Performances
                  • Professional Recording

                  Comments about Koss PRO4AA Noise-Isolating Professional Studio Headphones:

                  Best headphones I ever owns, my seond set in around 35 years

                  Comment on this review

                  Displaying reviews 1-10

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