Okay, I had to take it back to the guitar store, where it took the guy an hour of messing around to figure it out.
This is the key—When you create a new guitar project upon opening up GarageBand, YOU CANNOT USE THE GUITAR TRACK THAT GARAGEBAND AUTOMATICALLY CREATES FOR YOU.
Presonus Audiovox Itwo With Garageband Ipad 4
You also get PreSonus' Studio One Artist DAW software, which has earned a good reputation at Sweetwater for its ease of use and impressive sonic results. Whether you're producing music on your Mac, PC, or iPad, you're in for a great experience with the PreSonus AudioBox iOne USB audio interface. Primed for high-quality single-channel recordings. In System Preferences, I have the iTwo AudioBox selected for Audio in and out. In Garageband Audio Preferences, I have System settings for Audio in and out. I Choose New Track from GarageBand Menu 5. I Choose Record Guitar or Bass Amp using Garageband as Amp 6. Select the Details button and choose the correct input channel (Input 2) 7. In our view, the Presonus Audiobox iTwo is a great all-round USB audio interface for several reasons: Multi-platform: PC, Mac and iPad. Buy once, use with your iPad, laptop and desktop. So designed from the ground up to be versatile and mobile. Audio AND MIDI on one interface. Very few interfaces tick both boxes at this pricepoint.
Presonus Audiobox Itwo With Garageband Ipad 4
You have to create a new track, and then choose 'Electric Guitar' and then click the little triangle next to 'Instrument Setup' then choose 'Mono Channel 2' in order to use the 'Inst 2' input on the AudioBox ('Mono Channel 1' is for the microphone).