I was just wondering (this might sound like a noob question), but what causes my phone to make my speakers buzz every now and then? I know usually my speakers would do so when I'm talking on my phone nearby/get an incoming call/text message etc but every 15 minutes or so my speakers would still randomly buzz. I thought it might be caused by the 3G or GPS signals going into my phone that may be causing this to do so but I' not 100% certain. It's especially annoying when I'm producing tracks and I have to blast my speakers close to the max and suddenly I get an incredibly loud buzz coming out of my speakers from my phone. Now I keep my magic further away to avoid this from happening.