Choose Logic Pro X→Preferences→Audio. Click the Devices tab. On the Input Device and Output Device drop-down menus, make your selections. You can choose separate input and output devices.
Update Feb 27th 2016
Welcome to the official Apple Pro Training Series course for Logic Pro X. This book is a comprehensive introduction to professional music produc- tion with Logic Pro X. It uses real-world music and hands-on exercises to teach you how to record, edit, arrange, mix, produce, and polish audio and MIDI files in a professional workflow. Logic Pro X is software for music producers who compose, record, arrange, edit, and mix music. Logic Pro X is fun and easy to use, and it gives you a powerful set of tools to edit and polish your music to near perfection. To efficiently capture and hone your ideas, here are some quick and. Logic Pro X - What's New in 10.4.2; Pro Tools 12 - How it Works; Final Cut Pro X 10.4 - How it Works; Final Cut Pro 10.3 - How it Works; Logic Pro X - How it Works; Logic Pro X - The Details; Logic Pro X - Tips, Tricks, Secrets #1; Logic Pro X - Tips, Tricks, Secrets #2; Logic Pro X - What's New in 10.4; Logic Pro X - What's. Logic Pro X Manual, Microsoft Visio 2013 Full Version, Online Autodesk VRED Professional 2019, Autodesk Navisworks Manage 2015 Full Version Features.
The Logic Pro X 10.2.1 User Guide can be found here...
The updated Logic Pro X 10.2.1 Instrument Guide (including the manual for Alchemy), can be found here
The updated Logic Pro X Effects Guide for 10.2.1 can be found here..
Additional: Updated iBooks versions are available via the iBooks Store
Update: August 26th 2015
The newer Logic Pro X 10.2 User Guide can be found here...
The updated Logic Pro X 10.2 Instrument Guide (including the manual for Alchemy), can be found here
The updated Logic Pro X Effects Guide for 10.2 can be found here..
Additional: iBooks versions are available via the iBooks Store
--------------------------------------------------------------------------
The newer Logic Pro X 10.1 User Guide can be found here...
---------------------------------------------------------------------------
The online Multi Language version of the Logic Pro X 10.0 User Guide can be found here....
-----------------------------------------------------------------------------
English Language PDF versions of the User Guide and Additional Manuals, can be found here
Logic Pro Manual Pdf
-------------------------------------------------------------------------------
User Guides in other languages can be found here