Can I plug a microphone into GiO? Chris April 21, 2021 19:10 Updated No, GiO's input is specifically designed for 1/4" instrument sources such as an electric guitar or bass. Related articles Does GiO work with bass guitars? How can I verify that the buttons on my GiO are transmitting data? Setting up GiO for GarageBand audio input and output Can I use GiO with my iPhone or iPad? Is GiO compatible with Pro Tools? Comments 0 comments Article is closed for comments.