V-Moda Headset

Question

i bought my earphones 5 months ago and had no problem with it but one day the sound started fainting and i checked the connection onmy ipod and there was no problem i try so put some music buti couldn't hear anything i moved the cable a little bit to the right icould barely hear some music i checked the cable with 3 ipods, 1 iphone and my phone and it was thesame with all devicesmy conclusion is that the cable has something what should i do