I'm currently looking into buying the Beyerdynamic DT990, however there are two versions (not counting the different impedences): the "Pro" and the "Premium".  According to Beyerdynamic's website, the Pro has a tighter fit than the Premium version.  If this is the only difference, why does the...

I just received a pair of cx95's a few hours ago, and whilst playing a game, I noticed that things that were supposed to be left, were put through the right canalphone, and vice versa. It is not my computer or speaker setup as it is perfect when I plug in my hd595 Any remedies?