How to setup an Audio interface in Logic Pro X
Logic Pro X Beginner tutorial How to setup an Audio Interface
Setting up Audio preferences in Logic
The following steps show you how to record and playback audio in Logic Pro x using an Audio Interface.
Open top menu 「Logic Pro X」→「Preference」→「Audio」
Set your Audio Interface as both the input and output device, then, click the apply changes button.
Logic Pro x will now begin using your selected input and output device for audio.