Since the first and last cases have dedicated output modules... does the high-pitched whine also appear over headphones when the cases are not connected to anything else? Do you have the whine in a different room (or outlet) as well?
Since the first and last cases have dedicated output modules... does the high-pitched whine also appear over headphones when the cases are not connected to anything else? Do you have the whine in a different room (or outlet) as well?