Dynalink A3195A User manual

5.1ch Digital Audio
Converter
User Manual

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Thank you for choosing our products.We focus
on producing professional,high-quality,cost-
effective high-tech products. Let you easily enjoy
high-definition digital life brought by technology.
For the optimum performance and
safety,please read these instructions carefully
before connecting,operating or adjusting the
product. And please keep this manual for future
reference.
Introduction：
This audio decoder can auto convert optical/
coaxial channel(Support LPCM/PCM/RAW) input
to 2.0 channel analog audio output, and support
decoding Dolby AC-3/DTS(include 5.1 RAW digital
audio streaming). So it is widely used in families,
schools, squares, concert halls, cinemas and other
public places to enjoy the shock effect of DTS or
Dolby.

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Features:
●Build-in high performance RTOS operating
system and audio decoder chip; support DTS/
AC-3.
●Super fast start time about 3 seconds.
●Input:1 SPDIF Optical, 1 Coaxial
●Output:L-OUT-R; 3.5mm Headphone Port
●Auto switch between optical and coaxial
channel input.
●Auto decode AC-3/DTS (LPCM/PCM/RAW)
input signal without any action.
●High compatibility: Support network player,
HDTV, Blu-ray DVD, DVD, PS3, XBOX 360,
DM500S, DM800HD, etc.
●Small Size and Metal case, Anti-interference.
●Adopt RCA/3.5mm Headphone port
output ,convenient and efficient in use.
●Supports volume adjustment.
Specification：
Support audio format..MP3,AC3,DTS,WAV,WMA,

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AAC,ALAC,FLAC,APE,OGG,M4A
Signal Noise Ratio.........................................120db
Stereo Isolation...................................
80db（1KHZ）
Channel Unbalance............................................
0db
Sampling Rate......................................32~192
KHz
Bit Rate.....................................................16~24 Bit
Response Frequency............20Hz~20KHz+/-0.7db
THD...............................20Hz~20KHz 0.25-0.065%
THD+N.................................................1KHz 0.15%
Analog Output level...........................................
2.2V
Shell Dimension........................81.7 x 78 x
21.2mm
Weight..............................................................110g
Port..Optical ×1,Coaxial ×1,earphone jack×1,L/R×1
Working Voltage...........................................DC
+5V
Max Power Current.......................................200mA

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Working Temperature....................................0-70℃
Working Humidity.....10%-80%RH(non-
condensing)
Storage
Temperature...............................................-10-80℃
Storage Humidity.....5% -90% RH(non-condensing)
Package Contents:
Decoder..........................................................1PCS
User Manual...................................................1PCS
Micro USB Power Cable.................................1PCS
Diagram of Interfaces:
"

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①DC 5V：Power 5V Input
②Optical：Optical Input Port
③Coaxial：Coaxial Input Port
④L-OUT-R：Stereo Analog Audio Output
"
①Headphone: 3.5mm Analog Audio Output
②Power:Power Indicator light
③Knob: Volume Adjustment
Connection and Operation：
1.Use optical cable,Coaxial cable to connect
optical port, coaxial port to the audio playback

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device (such as CD,DVD,games
console,computer etc.)
2.Connect the Headphone port to the headphone.
3.Use the R/L audio cable to connect L-OUT-R
port to the Audio amplifier.
4.Connect the Micro USB Power Cable to the
Power port of the decoder,the power indicator will
light when power on.
5.Waiting about 3 seconds, the power light will be
lighting,then the sound will output.
6.When the SPDIF and coaxial input at same time,
the device default SPDIF output .
Function Diagram：
"

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Connection Diagram:
"
Note：
Please use the machine as the instruction listed to
keep the long lifetime of it.
1. Please do not expose this unit to the damp,
high-temperature, dusty, erosive, or oxidative
environment.
2. All parts will be free from the strong shake, hit,
fall.
3. Please do not touch the power adapter plug with
wet hands.
4. Please hold the plug when unplugging. Do not

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pull the power cable directly.
5. Please turn the unit off when it is not in use for a
long period of time.
6. Please do not open the cover and do not touch
the inside parts.
7. Please use the original factory power cable.
FAQ:
Before switching on the extractor, please check all
the cables carefully and make sure all the
interfaces are connected correctly. The common
problems and the relevant solutions are showed as
follows.
No.
Problem
Description
Solutions
1
Non-
Power-
Connected
1.Check if the power
adapter plug is inserted the
power socket correctly
2.Check if the power is on

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2
No Audio
Output
1.Confirm that the audio
signal source is connected
to the decoder correctly
2.Check if selected the
corresponding input
channel
3.Check whether the
cables are in good
condition
4.Adjust the knob and
check whether the
playback device is muted
or the volume is at a
minimum

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#
3
Noise
1.Please reconnect the
interfaces, in case the
interfaces loose contacts
2.Check cable quality
(cable terminal rust, open
circuit)
3.Check whether the noise
is from the audio sources