The 3-conductor audio jack plug I'm referring to is the third one in the picture at http://en.wikipedia.org/wiki/Jack_plug
The problem is that I haven't been able to buy any 3-conductor wire assemblies. I only see the 2-conductor speaker wire assemblies out there.
So what's the proper way to attach the wire? Is one of the three conductors in the connector open-circuited? If so, which of the conductors is open circuited? Or if none of the three conductors is supposed to be open-circuited, then which of the two conductors need to be joined together?