How Do I Change the Default Audio Device in Ubuntu?

How do I change the default audio device in Linux?

Ubuntu – How do you set a default audio output device in Ubuntu 18.04

1. Run: pactl list short sinks.
2. Note the device name you want to use as default.
3. Try to run: pactl set-default-sink <Your_Device_Name> …
4. Open the application “Startup Applications” (Should be preinstalled on Ubuntu)
5. Click on “Add”

How do I change my default microphone in Ubuntu?

You can find it by clicking on: System Settings (the gear icon at the top right of the screen) -> (click) Sound -> (click) Input. (You can click on the Speaker Icon as a shortcut to get to this setting). From this Input tab select the preferred device.