AVGear AVG-DAC User manual

AVG-DAC
Features
▪Features audio distribution splitting
one audio source into three audio
outputs.
▪Converts coaxial or Toslink digital
audio input to analog L/R and 3.5mm
audio output.
▪COAX SPDIF output for digital audio
extension.
▪Supports up to 24-bit/192 KHz input
(PCM, Dolby Digital or DTS formats
for digital audio extension only).
▪Provides Micro-USB port for power
connection.
▪Easy to install and simple to operate.
▪Compatible with coaxial or Toslink
interface digital audio devices:
CD/DVD, PS3, X-Box360, Blue-ray
player, Computer, A/V receiver, etc.
▪Ideal for interfacing between modern
digital audio/video devices with
analog amplifiers or powered
speakers.
The AVG-DAC Digital Audio Converter is designed to
convert coaxial or Toslink digital audio input into
analog L/R and 3.5mm audio output. Simultaneously,
the converter provides COAX SPDIF output for digital
audio extension.

AVG-DAC
PLEASE READ THIS PRODUCT MANUAL CAREFULLY
BEFORE USING THIS PRODUCT.
This manual is only for operational instruction only, it
is not to be used in a maintenance capacity. The
functions described in this version are current as of
March, 2019. Any changes of functions and
operational parameters will be updated in future
manual versions. Please refer to your dealer for the
latest product details.
Version 1.0 19/3/19

AVG-DAC
SAFETY OPERATION GUIDE
In order to guarantee the reliable operation of the equipment and safety of the
user, please abide by the following procedures in installation, use and
maintenance:
1. The system must be earthed properly. Please do not use two blade plugs
and ensure the AC power supply ranges from 100v to 240v and from 50Hz
to 60Hz.
2. Do not install the switcher in an environment where it will be exposed to
extreme hot or cold temperatures.
3. This unit will generate heat during operation, please ensure that you allow
adequate ventilation to ensure reliable operation.
4. Please disconnect the unit from mains power if it will be left unused for a
long time.
5. Please DO NOT try to open the casing of the equipment, DO NOT attempt to
repair the unit. Opening the unit will void the warranty. There are high
voltage components in the unit and attempting to repair the unit could result
in serious injury.
6. Do not allow the unit to come into contact with any liquid as that could result
in personal injury and product failure.

AVG-DAC
TABLE OF CONTENTS
Introduction .............................................................................................................1
Brief Introduction .........................................................................................1.1
Features ......................................................................................................1.2
What’s in the Box .........................................................................................1.3
Panel Description.....................................................................................................2
System Connection .................................................................................................3
Usage Precautions ......................................................................................3.1
System Diagram...........................................................................................3.2
Specifications...........................................................................................................4

AVG-DAC
1. Introduction
1.1 Brief Introduction
The AVG-DAC Digital Audio Converter is designed to convert coaxial or Toslink
digital audio input into analog L/R and 3.5mm audio output. Simultaneously, the
converter provides COAX SPDIF output for digital audio extension.
1.2 Features
▪Features audio distribution splitting one audio source into three audio outputs.
▪Converts coaxial or Toslink digital audio input to analog L/R and 3.5mm audio
output.
▪COAX SPDIF output for digital audio extension.
▪Supports up to 24-bit/192 KHz input (PCM, Dolby Digital or DTS formats for
digital audio extension only).
▪Provides Micro-USB port for power connection.
▪Easy to install and simple to operate.
▪Compatible with coaxial or Toslink interface digital audio devices: CD/DVD,
PS3, X-Box360, Blue-ray player, Computer, A/V receiver, etc.
▪Ideal for interfacing between modern digital audio/video devices with analog
amplifiers or powered speakers.

AVG-DAC
1.3 What’s in the Box
▪1x AVG-DAC Digital Audio Converter
▪1x Power Adapter (5V DC 1A)
▪1x Power Cord (USB-A to Micro-USB)
▪1x User Manual
Note: Please contact your distributor immediately if any damage or defect in the
components is found.

AVG-DAC
2. Panel Description
①Power LED: The LED illuminates blue when power is applied.
②TOSLINK IN: Toslink audio input.
③COAX IN: Coaxial audio input.
④3.5mm stereo audio output.
⑤L-OUT-R: RCA audio output.
⑥COAX OUT: Coaxial audio output.
⑦DC 5V: Micro-USB port for power cable connection.
Note: When both the TOSLINK and COAX are connected to audio source devices,
the coaxial audio source device will be selected as input source.
DC 5V
L ROUT COAX OUT
COAX INTOSLINK IN
1234567

AVG-DAC
3. System Connection
3.1 Usage Precautions
▪The system should be installed in a clean environment with temperature and
humidity maintained to within equipment specifications.
▪All of the power switches, plugs, sockets and power cords should be insulated
and safe.
▪All the HDMI and control devices should be connected before powering on.
3.2 System Diagram
The following diagram illustrates a typical input and output connection that could be
used with the AVG-DAC.
Speaker
Game Console
Blu-Ray
Headset
Digital Audio:
Analog Audio:

AVG-DAC
4. Specifications
Audio Input
Audio Input
(1) TOSLINK IN, (1) COAX IN
Audio Format
LPCM 2CH, Dolby Digital 2/5.1 CH, DTS 2/5.1CH (Only
PCM supports format conversion)
Sample Rate
32, 44.1, 48, 96, 192KHz, up to 24bit
Analog Audio Output
Audio Output
(1) 3.5mm stereo audio, (1) L-OUT-R (RCA)
Audio Format
PCM
Frequency Response
20Hz –20KHz, ±3dB
Max Output Level
2.0Vrms ± 0.5dB. 2V = 16dB headroom above -10dBV
(316mV) nominal consumer line level signal
THD+N
< 0.05% (-80dB), 20Hz –20KHz bandwidth, 1KHz sine
at 0dBFS level (or max level)
SNR
> 80dB, 20Hz-20 kHz bandwidth
Crosstalk Isolation
< -80dB, 10KHz sine at 0dBFS level (or max level
before clipping)
L-R Level Deviation
< 0.3dB, 1KHz sine at 0dBFS level (or max level before
clipping)
Output Load Capability
1KΩ and higher (Supports 10x paralleled 10KΩ loads)
Background Noise
-80dB
Digital Audio Output
Audio Output
(1) COAX OUT
Audio Format
LPCM 2CH, Dolby Digital 2/5.1 CH, DTS 2/5.1CH (Only
PCM supports format conversion)
Output Level
±0.05dBFS
Frequency Response
20Hz –20KHz, ±3dB
THD+N
< 0.05% (-80dB), 20Hz –20KHz bandwidth, 1KHz sine
at 0dBFS level (or max level)
SNR
> 90dB, 20Hz-20 kHz bandwidth
Crosstalk Isolation
< -80dB, 10KHz sine at 0dBFS level (or max level
before clipping)

AVG-DAC
L-R Level Deviation
< 0.3dB, 1KHz sine at 0dBFS level (or max level before
clipping)
Noise Level
-90dB
General
Operation Temperature
-5~ +55℃
Storage Temperature
-25 ~ +70℃
Relative Humidity
10%-90%
Power Supply
Input:100V~240V AC; Output: 5V DC 1A
Power Consumption
1.3W (Max)
Dimension (W*H*D)
66.0mm x 22.5mm x 66.0mm
Net Weight
50g