Go to the Logic Pro or Logic Express menu and choose Preferences > Audio.
In the Core Audio pane of the Device tab, select Duet 2 for Output Device and Input Device.
Set the I/O Buffer Size to 128.
Click Apply Changes at the bottom of the Preferences window.
By selecting Duet 2 input and output labels in Logic, the labels you see in Logic’s Channel Strip input and output slots correspond exactly to Duet 2’s hardware inputs and outputs, making I/O assignment much easier.
1. In Logic, choose Options > Audio > I/O Labels.
2. Select the labels in the Provided by Driver column.
3. Close the IO Labels window.
Now close the Logic Pro Preferences window and select
New > Collection > Empty Project from the Trackmenu.
If you are recording a single microphone or instrument, make the following selections in the New Tracks dialog box:
Input: Input 1
Check the Input Monitoring checkbox
Check the Record Enable checkbox
Logic will now ask you to name the project and save in on your hard drive.
Click the Record button in the transport control at the bottom of the Logic window.
You’re now recording with Duet 2!
Warning! Apogee’s Control Panel within GarageBand is not compatible with Duet 2
If you have Duet connected when you launch GarageBand
Choose GarageBand > Preferences > Audio/Midi
Choose Duet USB for Audio Output and Audio Input