Sennheiser MX 460, you've failed me.

So annoying. My earphones are faulty now. Don't buy Sennheiser MX460 earphones. They are pretty cheap. My right piece cover has come off and before this it wasn't problem. All I had to do was put them back in position, and they'll stay there for most of the time. But now the bass in the right piece is inexistant. There's no bass! And it's so weird. IMBA now. And I've only used this for about half a year. Maybe I can go claim warranty... Or I'll just have to go buy another pair of earphones...