Buzz My system has suddenly developed a buzzing noise. It does not increase with volume or disappear when I mute it. It is very annoying and there over the audio all the time. Any ideas?

Hi,

Is this happening on all your speakers at once or just one particular speaker?

If its all of them it sounds like you have some sort of interference going on, probably a ground loop. Have you added any extra equipment to your home cinema set up like a new TV or a cable box?

If it is a ground loop issue you can solve it by giving all your equipment a common earth, i.e. plugging all connected equipment into the same electrical outlet with an extension block.

If this doesn't do it, post back and let me know. Also it might be worth checking if your warranty is still valid.