6.
Hardware introduction
Xonar U3 PLUS external USB audio card layout
2
1.
Light indicator
Description
Play music (not Mute)
Play music (Mute)
Idle (not Mute)
Idle (Mute)
2.
Headphone & S/PDIF-Out port
3.
Mic & Line-in port
4
3
Status
LED on
LED off
LED on
LED off
ASUS Xonar U3 PLUS
1