4.
Go to Mixer Recording page and select "ALT" as the recording source. Click
"Reset" to make sure the recording volume is on the default highest level
(0dB). This is actually a high-quality onboard path from the Line-Out directly
to the Line-In. This allows you to get realistic output and input quality ratings
for the Xonar D2 audio card.
4
You may also choose to use an external 3.5mm line cable as follows (as short
as possible) to connect the Front-Out jack to Line-In jack for loop-back testing.
In that case, please select "Line In" as the recording source on the mixer page.
3.5mm Line Cable
ASUS Xonar D2
59