Asus Audio Card Xonar D2 - Manual (Page 25)

19 ASUS Xonar D2
5.2 Connecting Headphones
5.2.1 Connecting Stereo Headphones
1
No Item Description
1 Front Out/Headphone
Jack
The Front Out jack has a built-in high-quality amplifier to
drive headphones. Please connect your stereo headphones
directly to this jack.