Have you tried using an isolation transformer? http://www.shure.com/americas/support/find-an-answer/transformers-when-to-use-and-how-does-it-work http://www.sh

Have you tried using an isolation transformer? http://www.shure.com/americas/support/find-an-answer/transformers-when-to-use-and-how-does-it-work http://www.shure.com/americas/support/find-an-answer/transfo...