Asus Xonar Essence STU - Manual (Page 10)

10 ASUS Xonar Essence STU
Front Panel
1. Power On/Off
Press to turn on and again to turn off.
2. Input selection
Press to select audio input source: USB, Toslink, Coaxial, or AUX audio input.
3. Input selection/Bit perfect indicator
The corresponding LED will light up to show which audio source has been selected.
4. Speaker volume control
The volume control adjusts the output level of unbalanced RCA output.
5. Headphone volume control
The volume control adjusts the output levels of the headphone jack.
6. Headphone Gain indicator
The LED will light up based on the selected headphone gain setting.
7. Headphone output
Connect your high-quality headphones/headsets with 6.3 mm connector. Use a 6.3
mm/3.5 mm connector if your headphones/headsets have 3.5 mm ports.
POWER INPUT
USB COA TOS AUX BIT PERFECT Headphone Galn