EN
www.matrix-digi.com
Manual
1
Summary
● X-SPDIF 2 USB Audio Class 2.0 is a new designed asynchronous data
transmission digital interface, which inherited the high quality of last
generation to make it connect to the other devices through IIS directly. It
crossed the quality lost of digital signal caused by protocol conversion, while
integrated the high-quality femtosecond clock and FPGA processing unit, to
realize a maximum of 32bit/768kHz for PCM signal and 1bit/DSD512 for
signal output.
● The XMOS 8-core new generation X-CORE XU208 digital signal processing
unit is the most advanced solution to USB Audio Class 2.0 digital audio with
strong processing capacity for multi-core and multi-threading.
● The powerful XILINX SPARTAN FPGA assisting with XMOS to premium manage
the clock and process IIS data, achieved the DoP code conversion and remove
the jitter in IIS port.
● Two pieces ACCUSILICON high-quality femtosecond clock as basic clock
source, and respectively work for 44.1kHz and 48kHz as well as several times
sampling rate, which is controlled by FPGA to do the frequency division and
switch automatically. Besides, femtosecond has an independent ultra-low
noise LDO power supply circuit.
● The inner multi-level and multi-group LDO combined with solid-state
capacitor, which can filter the superposed noise in the power supply. All the
circuit units are supplied by the low or ultra-low noise LDO without DC/DC
circuit to avoid high frequency switching noise. Even if using USB bus power
supply, it can also maintain the high quality for the internal power supply.
● With the external power supply por t, convenient to upgrade the external
linear power supply. The device will auto-disconnect the USB bus power
supply after connected the external power supply, and can be connected to
the devices which do not suppor t power output, such as mobile phone.
Summary
2
1
LED Indicator status
1
Front Panel
3
Coaxial Output
Optical Output
AES Output
1
2
3
AC Power Input
IIS Output
USB Input
4
5
6
4
1
2
5
63
Rear Panel
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● Optical/Coaxial/AES
The Optical / Coaxial/AES Port can output a maximum 24bit/192kHz sampling
rate of PCM signal and 1bit/DSD64 for DoP which are meet the SPDIF coding
standard and DoP coding standard.
Note: When the front-end devices transfer DSD through Native coding mode,
the SPDIF output will turn off, because Native-coded DSD signal can only
output from IIS port.
● IIS port
IIS port can output a maximum 32bit/768kHz sampling rate of PCM signal.
Native coding mode can output DSD64/128/256/512 of DSD signal;
DoP coding mode can output DSD64/128/256 of DSD signal.
Settings & Usage
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● IIS port configuration
The bottom dip switch is used for set up the function of IIS port.
The definition of dip switch as shown below:
1.DoP code conversion
When playing the DSD audio stream of DoP code, switching on can conver t
the DoP code into original DSD code output from IIS port; switching off will
keep the DSD coding output mode of front-end device. (This function should
setting when not playing DSD signal, which take effect when playing DSD
signal, will not take effect immediately during DSD signal playback.)
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Settings & Usage
2.IIS port definition settings
You can set IIS port definition through the bottom dip switch; can reverse
polarity of IIS deferential signal, in order to adapt different definition of IIS
device.switch on for A definition; switch off for B definition (B definition for
all Matrix Audio products.), as shown below:
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IIS DATA -
IIS DATA +
GND
IIS LRCK -
IIS LRCK +
GND
NC
IIC SCL
NC
GND
GND
IIS BCK+
IIS BCK-
GND
IIS MCLK+
IIS MCLK-
NC
IIC SDA
NC
B definitionA definition
( the red words i n th e pi ct ru re is the different definition)
IIS DATA +
IIS DATA -
GND
IIS LRCK +
IIS LRCK -
GND
NC
IIC SCL
NC
GND
GND
IIS BCK+
IIS BCK-
GND
IIS MCLK+
IIS MCLK-
NC
IIC SDA
NC
Settings & Usage
3. MCLK mode switch
X-SPDIF2 has two modes of MCLK output to suitable for connecting different
devices, The MCLK output frequency when switch on and off as shown in the
following table:
Note: When using with synchronous mode X-sabre pro, please set the switch
to ON.
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Settings & Usage
Switch Position
OFF
ON
Sample Rate
MCLK
Frequency
MCLK
Frequency
44.1kHz
512fs
22.579MHz
128fs
5.6448MHz
48kHz
512fs
24.576MHz
128fs
6.144MHz
88.2kHz
256fs
22.579MHz
128fs
11.2896MHz
96kHz
256fs
24.576MHz
128fs
12.288MHz
176.4kHz
128fs
22.579MHz
128fs
22.579MHz
192kHz
128fs
24.576MHz
128fs
24.576MHz
352.8kHz
128fs
45.1584MHz
128fs
45.1584MHz
384kHz
128fs
49.152MHz
128fs
49.152MHz
705.6kHz
64fs
45.1584MHz
64fs
45.1584MHz
768kHz
64fs
49.152MHz
64fs
49.152MHz
● LED State
When USB port doesn't connect to device or connect to the device without
installing driver, the LED of X-SPDIF 2 will not light up, and will keep standby
mode.
Note: The DSD LED state is for the input data stream in DSD code, not the
output data mode from the IIS port.
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Settings & Usage
Stop Playing
PCM
DSD_DoP
DSD_Native
Drivers installation and configuration
1. Install X-SPDIF 2 drivers for windows
Double click the installation files, then choose “Next”
Select the installation path and click“Install”
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Choose“Always trust the sof tware from Xi'an Matrix Electronic
Technology Co., Ltd” in the pop-up dialog box and select "installation".
Click “Finish”to complete installation.
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Drivers installation and configuration
Click “Finish”to complete installation.
2.The drivers is not necessary for Mac OS X, please select the audio device
directly to “MATRIX Audio X-SPDIF 2” in system preference.
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Drivers installation and configuration
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Technical specifications
● Sampling rate for Optical/Coaxial/AES
PCM 16-24Bit /44.1kHz、48kHz、88.2kHz、96kHz、176.4kHz、192kHz
DSD 64(DoP)
● Sampling rate for IIS port
PCM 16-32Bit /44.1kHz、48kHz、88.2kHz、96kHz、176.4kHz、192kHz、
352.8kHz、384kHz、705.6kHz、768kHz
DSD 64/128/256(DoP)
DSD 64/128/256/512(Native)
● System support
Windows7/8/8.1/10 system needs to install the supplied driver.
Mac OS X10.6.4 or above without installing the driver.
Most Android devices can be used via OTG cable.
The iOS devices can be used via Lightning to USB Camera Kits.
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Technical specifications
● Power supply specifications
USB bus power supply: 5V/500mA
External power supply: DC 6~9V，≥800mA
Power supply port: outer diameter 5.5mm; inner diameter 2.1mm (+ for inner,
- for outer)
Note: Don't connect to the power supply with a voltage above 9V, or will cause
damage.It will auto disconnect USB bus supply after connected to the
external power supply.It needs to connect to the external power supply when
using mobile phone or pad which USB port with low current output.
● Boundary dimension: 133 x 142 x 38 mm（L×W×H, including protruding parts)
● Weight: 1.1kg
For purpose of improvement design and specifications are subject to change
without notice.
Customer Service
From purchase date, we provide you one-year-limited warranty, warranty
does not contain the accessories.
Free warranty is only for the faulty caused by the quality, not including the
wrong operation, negligence or accident.
It is beyond our free warranty terms when you change the components or fix
it by your own.
For more information, please visit www.matrix-digi.com.
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Ver.2 01 70 4
Xi'an Matrix Electronic Technology Co., Ltd.
C2-2411, No.22 Fengcheng 2nd Rd. ,Xi'an , Shaanxi, China
support@matrix-digi.com
info@matrix-digi.com
+86-29-65693537
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