That is a hard one. Have you checked partsexpress.com and monoprice.com? Newegg may have them, so may amazon. The only issue about the wire coming out, is that you have to use small gauge CL-2.
Depending on the size of the speakers, you can hide the wire behind say something the size of the Klipsch RB-41 II's, because the terminals are right on the back. Small sized speakers, you will never find a way to hide the wires, no matter how hard you try. Maybe zip ties and a length of wire from the jacket, so that you not placing strain on the wires or connectors.