Fake Sennheiser PX 100 Headphones. Yep, they’re Out There.
April 27th, 2008 | by |It’s not just the small stuff that gets copied!

At first it would seem that it was only the small and cheaper stuff that got copied. The CX300, Shure E2c, Creative EP630 etc. Then there came the small and not so cheap stuff like the B&O A8. This was the first I found out the counterfeit headphone industry had spread to…headphones
ebay pages
http://reviews.ebay.com/How-to-spot-a-FAKE-SENNHEISER-PX100
http://rover.ebay.com/rover/How-to-spot-FAKE-Sennheiser-in-5-easy-ways-QUICK
head-fi.org comments about the PX200/PX100