Asus Xonar Essence STU - Manual (Page 9)

9 ASUS Xonar Essence STU
2. Stand alone DAC
With S/PDIF in and input select, it also serves as an independent DAC which connects with
digital inputs such as CD audio source and then plays to the end devices.
Steps:
• Connect with other audio resource with S/PDIF input (by Coaxial/Optical cable)
• Select COA (coaxial input) or TOS (optical input) in the front panel as the input
source
3. Headphone amplifier
Grants 100% performance of ALL hi-end headphones, even with impedance up to 600ohms,
providing extra dynamics and sound details.
Steps:
• Connect with high-quality headphones/headsets
HP GAIN R L AUX IN TOSLINK COAXIAL
DIGITAL INFUT
USB DC IN
TOSLINK audio cable
CD/DVD player
Coaxial audio
connector (COA)
POWER INPUT
USB COA TOS AUX BIT PERFECT Headphone Galn
Headphones/headsets
6.3mm connector