
Imagine having 16 different effects/modulations/filters saved to pads, and switching them on the fly for live use!! Could the high-pitched whine be fixed with a firmware update? Is there any other way around it?
I have two E2s , and I noticed that the whine is slightly different on each one.
I'm using the latest firmware. I've read that firmware 1.18 fixed the whine when the AUDIO IN THRU is set to ON, but is there a fix for when the AUDIO IN THRU is set to OFF? It's not my mic (it works fine when I plug it directly into my PA). Someone mentioned that it might be a grounding issue. How could I check to see if this is the case?
I've read the other threads on this topic, but I've come up with nothing

Any Ideas??