Using the playback controls in iTunes is a great way to set specific preferences to enhance your listening pleasure. Follow these steps to use Playback Controls in iTunes.
Open iTunes. Double-click on the iTunes icon located on your computer’s desktop.
Step2
View the preferences window. To do this, click on "Edit" and scroll down to "Preferences" at the bottom of the edit tab. Click on "Preferences" and take a look at the preferences window.
Step3
Click on the "Playback" tab located at the top of the preferences window. This will allow you to view the playback controls where you can make changes.
Step4
Change the settings of the playback controls. To change the setting of the "Crossfade Playback" and the "Sound Enhancer" controls, you have to click on the corresponding check box and adjust the cursor.
Step5
Save the control setting by clicking on the "OK" button at the bottom of the window. You can always repeat the steps to adjust the playback controls.