Just like everybody else here.. Apple headphones are not worth fixing. I remember dropping a good pair just once and the sound just goes right to hell
What I do recommend getting if you're picking up a pair with a remote and everything would be this one
Klipsch Image S4i Premium Review - Headsets - CNET Reviews
I have a pair that I've used for almost two years now, and it's good for what it's worth for $100.