I have a Yamaha RX-V565 receiver running Klipsch Quintets (system is about 1 week old). Yesterday I was watching the final round of the BMW Championship and, for the first time, noticed a click in the right rear surround speaker. I was not using the receiver for audio, but the video signal passes through the receiver via HDMI. The click was sporadic, probably less than 5 clicks in 3 hours with no obvious reason why it was happening (ie. No moments in the video or audio that corresponded to the clicks). Any ideas? I just remembered an important piece of information. The rear surrounds are running wireless through a Rocket Fish wireless speaker kit. Could it be interference or a bad circuit of some sort causing the clicking? I have a surge protector at the outlet, but it is not a very good one.