ASUS Essence 3
1. Power On/Off
Press to power off/on Essence 3.
2. Output selection
Press to select output device such as speaker or headphone.
3. Input selection
Press to select audio input source: USB, TOSLINK, Coaxial (COA), AES/EBU (AES3), or AUX audio input.
4.
Input selection/Bit perfect indicator
The corresponding LED will light up to show which audio source has been selected.
5. Speaker volume control
The volume control adjusts the output level of unbalanced RCA and balanced XLR analog output.
6. Headphone volume control
The volume control adjusts the output levels of the headphone jack.
7. Headphone output (Balanced)
Connect your high-quality headphones/headsets with mini-XLR left and right connectors
(The left and right channels are labelled in the right diagram).
8. Headphone output (Single End)
Connect your high-quality headphones/headsets with a 6.3mm connector.
9. IR sensor
Point your remote control to this area to remotely adjust input and volume.
Rear Panel
7
10
11
8
6
5
9
AUX
EX-IrDA
L
R
R
VR
Bypass
L
USB
USB
Audio
EBU
AES
COA
TOS
VOLTAGE
ACIN
IN
on
off
12
14
13
15
11
AUX
EX-IrDA
L
R
R
VR
Bypass
L
USB
USB
Audio
EBU
AES
COA
TOS
VOLTAGE
ACIN
IN
on
off
9
8
7
6
5
Left
Right
12
