Sony MDR-AS20J Stereo Earphone
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Mfg Part No.
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Product Information for Sony MDR-AS20J Stereo Earphone

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.

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General Information

  • Manufacturer: Sony Corporation
  • Manufacturer Part Number: MDRAS20J
  • Product Name: MDR-AS20J Stereo Earphone
  • Manufacturer Website Address:
  • 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


  • Host Interface: Mini-phone
  • Earpiece

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

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