Asus PCI Express Audio Card Xonar DX User Manual page 24

5.3.4 Connecting 5.1 Channel Speakers
5.1 Speakers
No Item
1 Front Out
2 Side Surround Out
3 Center/Subwoofer
5.3.5 Connecting 6.1/7.1 Channel Speakers
6.1 Speakers
18
Description
Connects to the Front input port of the 5.1 speakers with the
mini-jack cable.
Connects to the Surround input port of the 5.1 speakers with
the mini-jack cable.
Connects to the Center/Subwoofer input port of the 5.1
speakers with the mini-jack cable..
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