Resurrecting this thread, because i own the same model headset and there seems to be a loose wire somewhere in one of the earpieces and I am a DIY kinda guy, so i was wondering if anybody owns this headset and has successfully disassembled it? I have gotten it apart to the point of having the cover off of the earpiece, revealing the speaker, but do not want to go any further in attempting to try to remove the speaker from the case for fear of damaging it further. Sennheiser charges way too much to repair this model, since it is more than 10 years old, so if i do spend the money, it will be on a new set, hence my desire to try to repair it myself for now. Any insight would be appreciated. Thanks.