indy47ca

I've searched the forum but no real answer to this. I play a Ric 330, Tele and 12-string Ric 620-12 on stage. I want to be able to switch between them easily, with no annoying amp noise created by changing guitars and wireless devices. And I do want them all wireless. So...should I buy additional transmitters so each guitar has its own? Would that even work? Or do I really have to unplug the transmitter each time and move it? I'd appreciate ideas...thanks!!