What is “switchaudio-osx” Package?

Change macOS audio source from the command-line
For more details: https://github.com/deweller/switchaudio-osx/

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install switchaudio-osx.

  brew install switchaudio-osx

Now, use switchaudio-osx!