Extra bass? Where did you order them from? I think you either got a defective set or a fake set.

The first day I got these, I was blown away, like many others here. The second day, I still was. The night after that, I left my laptop on to burn them in. The day after that, it didn't put a smile on my face, the bass was gone, volume almost halved, just way worse than before. They didn't sound...