Sound Switcher Indicator shows an icon in the indicator area or the
system tray (whatever is available in your desktop environment).
The icon's menu allows you to switch the current sound input and
output with a single click.
The appearance of the menu can be customised. For example, devices
and ports can be given custom display names, hidden etc.
Enable snaps on Linux Mint and install Sound Switcher Indicator
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Snap is available for Linux Mint 18.2 (Sonya), Linux Mint 18.3 (Sylvia), Linux Mint 19 (Tara), Linux Mint 19.1 (Tessa) and the latest release, Linux Mint 20 (Ulyana).
You can find out which version of Linux Mint you’re running by opening System info from the Preferences menu.
On Linux Mint 20, /etc/apt/preferences.d/nosnap.pref needs to be removed before Snap can be installed. This can be accomplished from the command line: