Configuring Pro Tools Aggregate I/OOn Mac systems using Core Audio, you can select Pro Tools Aggregate I/O as the Current Engine to use the built-in audio inputs and outputs on your Mac computer. You can configure the Pro Tools Aggregate I/O setting in the Mac Audio Setup, which can be accessed from the Pro Tools Hardware Setup.To configure Pro Tools Aggregate I/O settings:2 In the Peripherals list, select Pro Tools Aggregate I/O, or whichever Built-in input or output option is selected as the Current Engine in the Playback Engine.
Hardware Setup for Pro Tools Aggregate I/O (Mac only) 4 In the Audio Devices window of the Mac Audio Setup, configure the Pro Tools Aggregate I/O settings.
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The Pro Tools Aggregate I/O device is intended for use only with the built-in audio on your Mac computer. For best performance, use the default settings.