Information covers how to change the import tweaks in iTunes.

To take advantage of the different kinds of files, change the iTunes import tweaks.

Open iTunes and navigate to the Preferences:

On theGeneraltab, clickImport options.

Preferences in iTunes on a Mac

Select theSettingdrop-down menu and choose the quality of the files that output.

ClickOKto store your changes.

Import Settings in iTunes on a Mac

The Import Using settings in Import Settings of iTunes

OK button in Import Settings of iTunes