Logitech Z-2300 2.1 Computer Speaker System (3-Piece) "hear piece low volume" Questions

...hear static. Mute, low volume, with music, etc. I hear static noise. The only way to stop the static is by unplugging the speakers from the unit. I can't seem to find the problem. Any help is Greatly ...

...hear it when its turned up high, where the other one is really loud. it kind of makes a buzzing sound. its the jack not the speakers cause i tried each speaker in the other jack and they worked fine. ...

...low buzzing sound, I have taken the sub unit to pieces to see if there are any obvious problems (ie; blown capacitors etc) and cannot see anything, im wondering if these speakers are fakes because i ...