To reorder devices after you've selected them, drag a device under Subdevices left or right.
Learn more about how to identify Aggregate Device inputs and outputs With the new Aggregate Device selected in the sidebar, select the Use checkbox for each device you want to include as a subdevice in the Aggregate Device. The order in which you check the boxes determines the order of the inputs and outputs in applications like Logic Pro and MainStage.A new Aggregate Device appears in the list on the left side of the window.Click the Add (+) button at the bottom of the sidebar of the Audio Devices window, then chose Create Aggregate Device.From the Finder, choose Go > Utilities, then open the Audio MIDI Setup application.When you create an Aggregate Device, make sure all external audio interfaces are connected to your Mac.
