2 headphones, a top, a flop

I bought about half a year two of said headset. The first is unfortunately just gone broke (Mechanical), which is a shame, but I also use them every day, sometimes in sports. Anyway, now I have the 2nd couple and the sound quality is really an underground operation. I did not have the other pair, so I do not whether the desert are always so or not. Because of the many more positive reviews I think that the general good for something, still very angry, the 2nd pair sounds as if I had a bucket on his head.

Too bad, but 1 time top, flop 1 times, resulting in a 3