Quote Originally Posted by cashlz
i guess im stupid then.
No. You are not Depends on where your live and how your house is wired, there can be a lot of noise on the power line. One just has to hook up a scope to see it. Some of course will argue a good power supply inisde your A/V should filter out those noise any way but in practices they may not and an extra level of filtering might help. It is what made you happy that counts.