Asus XONAR U5 SI User Manual page 14

4.2.2 Connecting 5.1 channel headphones
No
1 Front Out port
2 Center/Subwoofer
Out port
3 Rear Surround
Out port
14
Item
Connect the Front-channel 3.5mm plug of your 5.1
channel headphone into this jack.
Connect the Center/Bass-channel 3.5mm plug of your
5.1 channel headphone into this jack.
Connect the Rear-Channel 3.5mm plug of your 5.1
channel headphone into this jack.
ASUS Xonar U5 SI User Guide
Mic/Line-in
Headphone
Front
Center
Rear
S/PDIF
Description
1
2
3