Originally Posted by Peter_
Return them to Amazon as it is an obvious fault.
As for removing the jack plug from the socket, you may have to replace the socket if you are any good with a soldering iron.
Replacing the socket (never had to do that yet in this instance) or removing the broken connector shouldn't be up to you.. Contact amazon, tell them exactly what has happened.. They should replace the headphone (or refund) and also pay for a repair (or provide a repair) on the computer.