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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
 
4.3

(based on 15 reviews)

Ratings Distribution

  • 5 Stars

     

    (12)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (2)

80%

of respondents would recommend this to a friend.

Pros

  • Durable (12)
  • Good audio (12)
  • Easy to use (6)
  • Versatile (5)

Cons

  • Bulky/heavy (5)

Best Uses

  • Amateur recording (7)
  • Home studio (7)
  • Professional recording (7)
  • Performances (3)
    • Reviewer Profile:
    • Experienced (9), Novice (3), 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

 

Sounds like listening to music from a cell phone speaker

I really don't understand the purpose of these headphones. The retro design is cool and the materials feel sturdy enough based on the weight feeling like you are wearing a motorcycle helmet.
Read complete review

I really don't understand the purpose of these headphones. The retro design is cool and the materials feel sturdy enough based on the weight feeling like you are wearing a motorcycle helmet.

There is nearly no low end or clarity, the audio just sounds like a distorted earache inducing mess. They don't even live up to their main purpose of isolation. The ear cups are shaped in a small oval that rest on the ear instead of around them in a perfect circle. I will be returning these. Also, the jack is only a 1/4," not 1/8" with an included adapter like most studio headphones, which I'm guess would annoy some people.

Instead, I will be buying a couple more pairs of Koss UR20's. Very cheap, practically disposable headphones with large round ear cups that even provide more isolation if you simply press them against your head, and a fuller, though a little dull, frequency range that works just fine for tracking.

Reviewed by 15 customers

Displaying reviews 1-10

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(0 of 1 customers found this review helpful)

 
5.0

Worked great

By Evan

from Houston

About Me Novice

Verified Buyer

Pros

  • Clear Sound
  • Durable

Cons

  • Bulky/Heavy

Best Uses

  • Home Studio
  • Professional Recording

Comments about Koss PRO4AA Noise-Isolating Professional Studio Headphones:

Plug in and enjoy

(0 of 1 customers found this review helpful)

 
1.0

Sounds like listening to music from a cell phone speaker

By Jacob

from California

About Me Experienced

Verified Reviewer

Pros

    Cons

    • Bulky/Heavy
    • Limited Functions
    • Poor Sound Quality

    Best Uses

      Comments about Koss PRO4AA Noise-Isolating Professional Studio Headphones:

      I really don't understand the purpose of these headphones. The retro design is cool and the materials feel sturdy enough based on the weight feeling like you are wearing a motorcycle helmet.

      There is nearly no low end or clarity, the audio just sounds like a distorted earache inducing mess. They don't even live up to their main purpose of isolation. The ear cups are shaped in a small oval that rest on the ear instead of around them in a perfect circle. I will be returning these. Also, the jack is only a 1/4," not 1/8" with an included adapter like most studio headphones, which I'm guess would annoy some people.

      Instead, I will be buying a couple more pairs of Koss UR20's. Very cheap, practically disposable headphones with large round ear cups that even provide more isolation if you simply press them against your head, and a fuller, though a little dull, frequency range that works just fine for tracking.

       
      5.0

      Great Headphones

      By todd13

      from Tennessee

      About Me Experienced

      Pros

      • Clear Sound
      • Durable
      • Easy To Use

      Cons

        Best Uses

        • Amateur Recording
        • Performances
        • Professional Recording

        Comments about Koss PRO4AA Noise-Isolating Professional Studio Headphones:

        Great set of headphones. Had to have the high ohms because of the line6 floor board. Work and sound great.

         
        5.0

        I love this headphone!

        By Silverstreak

        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.

         
        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.

            (0 of 2 customers found this review helpful)

             
            5.0

            Very Pleased

            By Gunner

            from 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.

            (0 of 10 customers found this review helpful)

             
            2.0

            old tech

            By edacrowe

            from Carlsbad, CA

            About Me Experienced

            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.

             
            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.

              (4 of 4 customers found this review helpful)

               
              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.

              (4 of 4 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.

              Displaying reviews 1-10

              Back to top

              Previous | Next »

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