MSI X99S SLI PLUS Manual - Manual (Page 93)

Appendix A
A-3 Realtek Audio
▶Device Selection
Here you can select a audio output source to change the related options. The “check”
sign indicates the devices as default.
▶Volume Adjustment
You can control the volume or balance the right/left side of the speakers that you
plugged in front or rear panel by adjust the bar.
▶Application Enhancement
The array of options will provide you a complete guidance of anticipated sound effect
for both output and input device.
▶Jack status panel
This panel depicts all render and capture devices currently connected with your
computer.
Auto popup dialog
When you plug into the device at the jack, a dialogue window will pop up asking you
which device is current connected.