Am Freitag, den 20.01.2017, 10:26 +0100 schrieb Alexandre DENIS:
As already by others, you can disable the device in pavucontrol, but
it
has to be done for each user on a multi-user system, and the config
does
not survive unpluging of the device.
Tested and confirmed. Too bad, Gnomes Preferences doesn't offer this.
Thanks, everyone, for pointing that out!
Greets