DAC Audio DS4 USB iOS Coaxial Bluetooth Decoder Heasphone Amplifier User Manual
- June 6, 2024
- DAC Audio
Table of Contents
DS4
V1 0
User Manual
(Please read this manual carefully before use)
Letter Of Thanks
Dear Customer: Hello!
Gratitude for the source of benefit.We know that every progress and success we
achieve cannot be separated from the customer’s concern, trust and
support.Your understanding and trust are a powerful driving force for our
progress;and your care and support is an inexhaustible source of our growth.
The road to Taobao is full of ups and downs.If you receive an item, for any
reason, there is something dissatisfied, first we apologize to you.Please
contact us in time, I believe that our after-sales will be handled properly
for you and let you be satisfied.We look forward to receiving your praise, if
you are satisfied with our goods and services,your trust and satisfaction is
our driving force.
In the years to come, we will continue to bring comfort and enjoyment to the
listeners,and to improve the after-sales service system.I believe that our
cooperation will be more enjoyable and I hope to continue to receive your
support!
Wish you a happy life
Panel Schematic
Note:
- Do not connect the USB to both interfaces at the same time.
- Our custom line can support Android phone OTG in USB mode
Product Parameters
Input interface: USB iOS Coaxial Bluetooth
Output interface Stereo lotus seat, 3.5 headphone holder
Distortion: <0.0003%
Signal to noise ratio: 129dB
Headphone output impedance: 16-600R
Switching mode: knob button switching
Maximum output level: 2V
Sampling rate: Coaxial: 384kHz-32bit/USB decoding: 192kHz-24bit
Panel material: 8mm alloy wire drawing
Dimensions: 11210540mm
Precautions
- When USB is connected to the computer for the first time, you need to install the driver, and it can be used after the installation is completed.
- USB port and iOS port cannot be connected at the same time. Otherwise, there will be an unrecognizable phenomenon.
- In order to protect your hearing, please turn the volume knob to the minimum before using the headphone.
- If there are other problems, please scan the code to contact customer service, and we will serve you sincerely.
Troubleshooting
| Phenomenon Cane | Cause Analysis | Approach |
|---|---|---|
| Computer USB playback is silent | Detect if the system audio |
hasanXMOSdevice,and the
DAC front mod needs to be selected as USB.TheXMOS
driver can be reloaded once the DAC is not recognized.
Playback software| Try to change the different playback software(FB2000/
CoolDog/Thousands) Play the software settings output as XMOS…
P.m wiring| Try to connect different headphones and amplifier speakers. to
check if they are in place and setcorrectly.
Optical fiber-coaxial
playback silent| Setting problem| The player (computer/TV/DVD…)settings
correspond to
digital output,
Select the corresponding mode in front of the DAC (optical
fiber/coaxial)
Channel problem| DAC is a stereo device, output mode/playback source needs to
be selected as PCM stereo
USB playback has
noise| Power
interference| DAC for a separate power outlet(keep the power of
computer or speaker far away)
Equipment interference| Place the DAC farther away from other electronic
playback devices
USB play card or pop| Song problem| Try different playback software
(FB2000/CuGou /Qian Qian) with different song detection
CPU usage is too high| Try to shut down other software to play the song
separately
Do not play the wiring to start the noise (beep… )| Wiringground problem|
Change other audio cables and reinsert them
Signal interference| The DAC is not connected to the input, and the direct
output is connected to the amplifier to detect if there is a problem.
Sound quality is not good| Sound source quality problem| Recommended use high-
quality lossless music as the sound source
Downtime problem| The new machine needs a period of time to take the aging
the process to achieve good results (accumulated more than 76hours)
Player selection| The computer recommends using F00BAR2000 playback software
(required for fans), load and installing AS10 and selecting as output mode.
The above problems or methods have not been solved, please contact us Taobao after-sales customer service, and we will deal with the problem in time!