you need this extracting tool:
http://www.qwikfast.co.uk/catalogue/...xtractda70.jpg
you turn the tool clockwise, the tool end will penetrate into the stuck audio pin and extract it out
just find the correct diameter for the audio port, it should be 3.5mm. Try one that is slightly smaller than 3.5 mm. It is tappered
the extracting tool can be bought in hardware stores (Lowes, homedepot etc.) in a kit or single (under $10)
If the tool is sucessful, it is far easier than having to take apart the radio, well worthed the $10 or so