Sony MDR-RF4000K wireless headphones

By Paul Briggs - 03/16/2010 9:26:45 PM


MDR-RF4000K is the codename of the new cordless phones presented by Sony, which will become available for purchase next month in April 2010.

The headphones make use of a 40mm long-stroke diaphragm to provide good sound quality, and as you can see on the image the whole set – headphones, and charging dock – all look pretty stylish. The battery life can last 7 hours, but if you need more the alternative is a normal AAA battery which will provide a total of 10 hours of non-stop sound. a

Related posts:

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  2. Sony MDR-XB700 Headphones
  3. Sony MDR-NC500D Headphone
  4. Sony MDR-V700DJ Studio Monitor Series DJ Headphones
  5. Sony MDR-XB300 Headphones
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This entry was posted on Tuesday, 16 March 2010 at 9:26 PM and is filed under Uncategorized.
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