I have a new pair of JMLABS Electra bookshelf speakers and they are not shielded. I have to have the speakers close to my TV (Sony XBR400) and I'm getting the effects of the speakers in discoloration. I can move them just enough away from the TV to clear the discoloration but I really want them closer to the TV. Is there a way to "shield" these speakers? Any tricks or products out there?