Garageband aggregate device not working

1. How do I use an aggregate device in GarageBand?
2. How do I make my Mac sound device aggregate?
3. How do you use multiple inputs in GarageBand?
4. How do I create a new aggregate device?

How do I use an aggregate device in GarageBand?

Choosing the Aggregate Device in GarageBand

1. Go to File > New and select the type of project you wish to use.
2. Look in the bottom left corner and click on the arrow beside Details.
3. Click Input Device and select the aggregate device from the list.
4. Choose the output device you want to use. ...
5. Click Choose.

How do I make my Mac sound device aggregate?

From the Finder, choose Go > Utilities. Open the Audio MIDI Setup application. Click the Add (+) button on the bottom-left corner in the Audio Devices window and chose Create Aggregate Device. A new Aggregate Device appears in the list on the left side of the window.

How do you use multiple inputs in GarageBand?

How To Record Multiple USB Microphones In Garageband

1. Open Garageband and check that your Aggregate Device is set as the input via Preferences > Audio Midi Preferences > Input Device (dropdown menu) > select Aggregate Device.
2. Create a track, selecting Audio, Mic, and then in the input select 1&2.

How do I create a new aggregate device?

In case no windows appear after launching Audio MIDI Setup, check that the app appears in the menu bar and then click the Window menu and select the Audio Device window to view it. Once open, you can create a new aggregate device (bottom right + button) and select which devices are used.