Asus Maximus Extreme - Manual (Page 136)

5-14 Chapter 5: Software support
Playback Settings
To configure the playback settings, click the Playback button on the control
panel. You can adjust the volume of the Speakers and SPDIF Interface or
mute the audio.
Preset settings
Click and expand the drop-down menu
to select your preferred Digital Signal
Processing (DSP) preset. Move the sliders
to customize the values of Voice Clarity,
Dynamics, Brilliance, and Deep Bass
of each preset. Click Save to save the
changes to the current preset. Or, click
Reset to discard the changes and restore
the preset to the factory defaults.
Surround settings
Allows you to change the settings of the
stereo speakers. Move the sliders to
change the listener position or adjust the
center channel volume. Press the Test
Speakers button to perform speaker test.
Port settings
Click this port settings tab to display the rear panel ports configuration for the
speakers or rear panel digital port configuration for the SPDIF interface.