DRIVER: ALESIS IO-26

I've checked to make sure I'm not mistaking this noise for that introduced through cabling etc, and I've also compared the noise between having the alesis switched on and off with the amp still on no noise Alesis iO-26 all with alesis switched off. If you press your head right against the speakers with the amp switched on and plugged into my edirol and with nothing playing you can just make out a whisp of ...