Gigabyte GA-7DX User Manual page 41

b. Select "Audio" Page, and click "Advanced" button.
c. Select "Quadraphonic Speakers" and click ok.
C. Four Speaker Application
The four speaker function will only be supported in application softwares that use Microsoft
DirectX and Creative EAX, for example, the game titles, software DVD player and MP3 player.
Four Speaker & SPDIF Introduction
Click "Advanced".
Click "Quadraphonic Speakers".
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