Had a few friends over last night, played some music on my 5.1 set up and this morning I turn it all on to play some tunes and one of my inwall speakers is buzzing and "hissing" horribly. I was thinking of taking a video but what do you guys think? Can i fix this by myself? Is it ruined for good? If I have to replace how can I be sure the new speaker won't be louder than the others? I'm pretty sure the speaker is out of warranty by JBL.