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Home > Home Audio > Headphones & Earphones > Sony MDR-AS20J Stereo Earphone

Sony MDR-AS20J Stereo Earphone

Earphone - Stereo

Sony MDR-AS20J Stereo Earphone
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Sony MDR-AS20J Stereo Earphone
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Item No.  286448
Mfg Part No.  MDRAS20J
Product Condition:  New
Manufacturer:  Sony

Details   |  Reviews   |  Product Q&A
30 Day Return Policy

Highlights for Sony MDR-AS20J Stereo Earphone
  • Connectivity Technology:Wired
  • Sound Mode:Stereo

Marketing Information

The vertical, in the ear active style MDR-AS20J earphone makes it easy to add a heart pumping soundtrack to whatever you may be doing. The soft loop hangers fit comfortably over your ear and allow you to play hard without fear of unexpected earbud drop out. There's also a handy cord clip for unfettered activity.

Network & Communication

General Information

  • Manufacturer: Sony Corporation
  • Manufacturer Part Number: MDRAS20J
  • Product Name: MDR-AS20J Stereo Earphone
  • Manufacturer Website Address: www.sony.com
  • Product Type: Earphone
  • Product Model: MDR-AS20J
  • Brand Name: Sony
  • Technical Information

  • Sound Mode: Stereo
  • Connectivity Technology: Wired
  • Minimum Frequency Response: 18Hz
  • Maximum Frequency Response: 22kHz
  • Plating: Gold Plated
  • Operating Distance: 2ft
  • Physical Characteristics

  • Form Factor: Open
  • Weight: 0.459 oz
  • Miscellaneous

    Package Contents

  • MDR-AS20J Stereo Earphone
  • Extension cord (2 ft)
  • Clip for securing the cord
  • Warranty card
  • Warranty

    Interfaces/Ports

  • Host Interface: Mini-phone
  • Earpiece

  • Earpiece Technology: Dynamic
  • Earpiece Design: Over-the-ear
  • Earpiece Type: Binaural
  • Controls/Indicators

    Digital Signal Processing

    Powered By GfK Etilize


    REVIEW SNAPSHOT®

    by PowerReviews
    SonyMDR-AS20J Stereo Earphone
     
    2.5

    (based on 24 reviews)

    Ratings Distribution

    • 5 Stars

       

      (5)

    • 4 Stars

       

      (5)

    • 3 Stars

       

      (0)

    • 2 Stars

       

      (2)

    • 1 Stars

       

      (12)

    50%

    of respondents would recommend this to a friend.

    Most Liked Positive Review

     

    Perfect, except no phone headset capability

    I ride my bike to/from work 13 miles each direction every day and I like to listen to podcasts or audiobooks on my iphone and I occasionally need to take a call or participate...Read complete review

    I ride my bike to/from work 13 miles each direction every day and I like to listen to podcasts or audiobooks on my iphone and I occasionally need to take a call or participate in an early morning meeting. These are ideal for the podcast/books use-case, but since they don't have headset capability they really don't work for the phone -- I've tried an accessory that plugs in-line and handles the phone part, but it doesn't fit well in my bike's iPhone case and it's really inconvenient. I'd love to have these with headset/mic integration! They're really the first headphones I've found that I feel safe using on the bike, I can hear the world around me but it doesn't drown out the podcast/book sound.

    VS

    Most Liked Negative Review

     

    Poor Design

    These do not stay in my ears period. I got them for running and working out, but they pop out of my ears while working out, cycling, or running. Do not buy...Read complete review

    These do not stay in my ears period. I got them for running and working out, but they pop out of my ears while working out, cycling, or running. Do not buy them

    Reviewed by 24 customers

    Sort by

    Displaying reviews 1-10

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    4.0

    Not Bad

    By CandyLD

    from Tampa

    Comments about Sony MDR-AS20J Stereo Earphone:

    I bought these about a year ago and love them. They were great for the price and stay on well. But over time one earbud got to have a lower volume. I think i'll shell out the money for a more expensive pair this time.

    (2 of 2 customers found this review helpful)

     
    1.0

    Beware of this product

    By DjiboutiSailor

    from Djibouti, Africa (US Navy - Forward Deployed)

    Comments about Sony MDR-AS20J Stereo Earphone:

    Bought these to replace a pair of 3-yr old Skull Candy ear buds. The SC buds had a straight plug and failed at the strain relief - one channel had intermittent connection. Probably failed because of the way I run the wire while I'm exercising. Purchased these on Dec 18 because they were a sport-type and had a 90-deg plug. Today, Jan 2, the left channel has a significant decrease in output - it sounds like I only have one phone in. I verified that it is not the iPod, nor is a L-ear vs. R-ear matter. The phones are broken after two weeks... Other knocks against them is that they feel like they will fall out all the time, and they tangle too easily when I'm not wearing them. Unfortunately I don't have the receipt anymore so it looks like I will be eating the $18 that they cost.

    (3 of 3 customers found this review helpful)

     
    1.0

    Have also experienced problem w/Right Earbud

    By AustinRunner76

    from Ausitn, TX

    Comments about Sony MDR-AS20J Stereo Earphone:

    I was happy with these at first - I've never had good luck with this style of headphone before, but the added "nub" that fits behind the ear and the closed-loop design makes them stay on better than other models I've tried. The sound quality is "ok" - nothing amazing but it works. Unfortunately, after three weeks of use the right earbud became "muddy" sounding and only plays at about the third of the volume it is supposed to. I don't know if it is the "water-resistant" design failing, and sweat damaging the interior, or if there is a problem with the wiring, so that the full signal isn't getting to the headphones. Regardless, I'm already shopping for a new pair of headphones. I do not recommend these, and overall I'm very disappointed in the product. I used these headphones while distance running. I have previously owned one of Sony's "over the head" style sports headphones, and I had much better results with that, and will be sticking to that design in the future.

     
    1.0

    Very Disappointed

    By BadLuck99

    from Houston

    Pros

    • Stay in place when running

    Cons

    • Stopped working in a couple weeks

    Best Uses

      Comments about Sony MDR-AS20J Stereo Earphone:

      Left side stops playing after about 20min of workout. Thought it was gettting wet from sweat but started wiping sweat off during run? This did not fix the issue. Run inside in AC so its not that much moisture but it stops working every workout.

      (2 of 4 customers found this review helpful)

       
      5.0

      Best Bang for $ and WAY Comfortable

      By hfh5

      from UTAH

      Comments about Sony MDR-AS20J Stereo Earphone:

      These are the best sport headphones I can find for the money! Great sound quality compared to Skullcandy, JVC and other price competitors and the headphones comfortably stay in my ears when I'm active. I prefer these any day over ear buds that constantly fall out and give me a headache after prolonged listening. SONY REALLY NEEDS TO IMPROVE THE QUALITY OF THE WIRE/WIRE COATING THOUGH. For a sport headphone you would think the wiring would be more durable... I'd definitely pay the extra $ for a braided wire coating.

       
      5.0

      Best Bang for $ and WAY Comfortable

      By hfh5

      from UTAH

      Pros

      • Comfort
      • Headphones stay in place
      • Sound quality for price

      Cons

      • wire is weak and prone to damage

      Best Uses

        Comments about Sony MDR-AS20J Stereo Earphone:

        These are the best sport headphones I can find for the money! Great sound quality compared to Skullcandy, JVC and other price competitors and the headphones comfortably stay in my ears when I'm active. I prefer these any day over ear buds that constantly fall out and give me a headache after prolonged listening.

         
        1.0

        Don't buy!!

        By Will94114

        from San Francisco, CA

        Pros

        • Colors

        Cons

        • Everything else

        Best Uses

          Comments about Sony MDR-AS20J Stereo Earphone:

          Not only does the right ear bud short out as soon as a drop of sweat touches them, they constantly keep coming out of my ears. This happens EVERY time I work out. Since I work for a living, I don't have time to keep going to a store to buy new headphones, therefore I've become an expert on how horrible these are because I'm forced to use them!! I look forward to the day that I can hear my music while I workout.

          (1 of 2 customers found this review helpful)

           
          4.0

          Perfect, except no phone headset capability

          By bikeCommuter

          from Silicon Valley, CA

          Comments about Sony MDR-AS20J Stereo Earphone:

          I ride my bike to/from work 13 miles each direction every day and I like to listen to podcasts or audiobooks on my iphone and I occasionally need to take a call or participate in an early morning meeting. These are ideal for the podcast/books use-case, but since they don't have headset capability they really don't work for the phone -- I've tried an accessory that plugs in-line and handles the phone part, but it doesn't fit well in my bike's iPhone case and it's really inconvenient. I'd love to have these with headset/mic integration! They're really the first headphones I've found that I feel safe using on the bike, I can hear the world around me but it doesn't drown out the podcast/book sound. Sony, please add the headset capability!

           
          4.0

          Perfect, except no phone headset capability

          By bikeCommuter

          from Silicon Valley, CA

          Pros

          • Excellent sound quality
          • external sounds can be heard
          • Stay on well

          Cons

          • no phone headset capability

          Best Uses

            Comments about Sony MDR-AS20J Stereo Earphone:

            I ride my bike to/from work 13 miles each direction every day and I like to listen to podcasts or audiobooks on my iphone and I occasionally need to take a call or participate in an early morning meeting. These are ideal for the podcast/books use-case, but since they don't have headset capability they really don't work for the phone -- I've tried an accessory that plugs in-line and handles the phone part, but it doesn't fit well in my bike's iPhone case and it's really inconvenient. I'd love to have these with headset/mic integration! They're really the first headphones I've found that I feel safe using on the bike, I can hear the world around me but it doesn't drown out the podcast/book sound.

             
            1.0

            DO NOT PURCHASE

            By AinOKC

            from Oklahoma

            Comments about Sony MDR-AS20J Stereo Earphone:

            I bought a pair of these and after about a month of use I noticed the right earbud began to lose sound quality and is now completely inoperable. I will not purchase these again and would advise others not to as well.

            Displaying reviews 1-10

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            Sony MDR-AS20J Stereo Earphone

            Earphone - Stereo
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