The KSC-75 are not the same ...

Having used these headphones for over 6 years with 2 different pairs, I can say that it is the best clips I've had. The sound has always been impeccable and you can wear the headset for hours without ever irritate the ears.

However! As said in a comment below well explicit these headphones are not at all similar to those of yesteryear. The box has changed. The old boxes were bulging white yellow. The news is rectangular gray.

The foam is much less sweet and less pleasant to the ears!
But that's not the worst, these headphones are simply become means. The sound is gone, severe takes precedence over the rest who just is not that great. In short these new headphones are worth nothing compared to the old. I even had to buy an old pair on ebay for the same price, and we immediately felt the difference.

Very disappointing from Koss, especially since it's very easy to be fooled ...