To adjust the graphic equalizer levels
Click Now Playing.
On the View menu, point to Now Playing Tools, and then click Graphic Equalizer.
In the Now Playing Tools pane, if the On/Off button is set to Off, click it so it is set to On.
Do one of the following:
To select a preset equalizer setting, click the Next preset button.
To create a custom setting, adjust the equalizer sliders to the levels you want to use. The levels you set are saved automatically.
To hide the graphic equalizer, click .