Apple Logic Express 9 - Manual (Page 43)

To open the Audio Devices preferences
Do one of the following:
µ
Choose Logic Express > Preferences > Audio (or use the Open Audio Preferences key
command), then click the Devices tab.
µ
Click the Preferences button in the Arrange toolbar, choose Audio from the pop-up menu,
then click the Devices tab.
In Mac OS X, all audio devices are accessed via Core Audio, an integral part of the operating
system. Core Audio is a high-performance, low-latency audio system that allows audio
interface hardware to be used by several applications at the same time.
Logic Express is compatible with all audio hardware that offers a Core Audio driver.
43 Chapter 2 Setting Up Your System