Setting up GiO for GarageBand audio input and output
Note: Make sure GiO is connected to your Mac via USB before changing these settings.
To select GiO as the audio input/output device for GarageBand, go to GarageBand > Settings > Audio/MIDI and choose GiO for both Audio Input Device and Audio Output Device.To use GiO as your input device while listening through your Mac's built-in speakers, select GiO for Audio Input Device and Built-in Output for Audio Output Device.