Originally Posted by VPescado
Not necessarily. If they are the old style QC2's, just wait for the underdesigned piece of plastic to break (possibly helping it along) and then bring it into any Bose store for an exchange.
Brand new headphones with a used cord and carry-case.
I must have the new style because mine have been all over the world without any failures. One pair is two years old. I am very careful with them because they are quite expensive.