The technical features of DAC-X22 are as follows:
An ESS flagship chip ES9038PRO is used for decoding, completely independent power supply, independent grounding, and obtain the best performance.
The first one in China adopts adaptive master clock technology and asynchronous master clock technology, and the two working modes are chosen independently, which perfectly corresponds to different signal sources.
CPLD programmable logic chip, self-constructed digital integrated circuit with logic function, clock management, 2nd PLL digital shaping, DOP demodulation, PCM/DSD depop switch and other exclusive technologies have laid a solid foundation for excellent sound quality.
CPLD programmable logic chip, self-constructed digital integrated circuit with logic function, clock management, 2nd PLL digital shaping, DOP demodulation, PCM/DSD depop switch and other exclusive technologies have laid a solid foundation for excellent sound quality.
Two special ring transformers for high quality sound are used to supply digital and analog power respectively, and the completely independent power supply is not interfered with each other.
Native fully balanced architecture, no conversion, complete four-way output;
The analog LPF circuit adopts the discrete circuit developed by itself, and carefully adjusts the parameters of each level in order to achieve the best working state.
Support 0dB~-90dB 90 digital volume, with random attached high-quality remote control to easily adjust the volume
The full interface supports DSD hard solutions:
IIS supports DSD64, DSD128, DSD256, DSD512 hard solution
SPDIF, Optical, AES/EBU support DSD64 hard solution (DOP mode)
USB supports DSD64, DSD128, DSD256 hard solution
Rich digital filtering
There are seven kinds of PCM: M-SHARP / M-SLOW / L-SHARP / L-SLOW / HYBRID / APODIZING / BRICKWALL
There are four kinds of DSD: 47K/50K/60K/70K
USB uses XMOS’s USBAUDIO special chip U8 (the kernel of XU208 is the same as U8) and supports PCM384 DSD256.
The screen brightness can be adjusted, no operation 10 seconds after automatic memory, the next boot to maintain the last setting, humanized operation control
All aluminum alloy chassis, surface wire drawing, all silver (subwhite) and all black two colors can be selected
Machine size: wide 330 * Deep 260 * High 65MM (excluding protruding parts)
Packing size: 420 * wide 360 * high 175MM
Including packing weight: 7KG
115V version, 230V version (two voltages are not switchable)
Frequency response:
Line output:
Line output:
XLR interface definition: American standard (1 ground, 2 hot, 3 cold)
Black / white: 100V-120V
Black / white: 200V-240V
Special note: the two versions of voltage can not be switched, when shooting must choose the appropriate voltage.
The actual shoot of DAC-X22:
Rigorous design, reasonable layout, neat workmanship, solid material

Using ESS flagship chip ES9038PRO to decode, completely independent power supply, independent grounding, to obtain the best performance

Analog LPF circuit is a fully discrete class A circuit which is specially debugged for 9038 chips. Each discrete device only needs to consider its own performance alone, so for this device alone, there are a lot of application limitations, so it can give full play to the performance of a single component. Because unlike integrated circuits, which can not be separated and changed in the chip, the use of discrete devices is more flexible, can freely adjust the parameters of each level to achieve the best working state, but also because its developability is stronger, and for the distorted part is relatively controllable, can bring greater variability to different decoding architecture sound style.
The disadvantage of discrete devices is that the distributed parameters have a great influence, so it is very difficult to design and debug, which requires certain technical experience and a long debugging process. In terms of consistency, it is also relatively weak, so it is necessary to study the materials very well.
The disadvantage of discrete devices is that the distributed parameters have a great influence, so it is very difficult to design and debug, which requires certain technical experience and a long debugging process. In terms of consistency, it is also relatively weak, so it is necessary to study the materials very well.

CPLD programmable logic chip, self-constructed logic function digital integrated circuit, clock management, 2nd PLL digital shaping, DOP demodulation, PCM/DSD depop switch and other exclusive technology, laid a solid foundation for excellent sound quality.

Independent voltage stabilization, multi-stage filtering, left and right separation, until no interference
American ACCUSILICON femtosecond crystal oscillator


USB module adopts XMOS scheme, AUDIO special chip U8

The full interface supports DSD decoding. IIS supports DSD64, DSD128, DSD256, DSD512 hard solution; USB supports DSD64, DSD128 hard solution; coaxial (RCA, BNC), fiber, AES/EBU supports DSD64 hard solution (DOP mode)

Frequency response

THD+N

Signal-to-noise ratio

Dynamic range DNR

Dynamic range DNR

IIS pin definition

Digital input: Coaxial, Optical, AES/EBU:16-24bit / 44.1, 48, 88.2, 96, 176.4, 192 kHz PCM format, DOPDSD64
IIS: 16-32bit/44.1, 48, 88.2, 96, 176.4, 352.8, 384kHz PCM format; DSD Native:DSD64, DSD128, DSD256, DSD512;DOP DSD:DOP64, DOP128, DOP256
USB:16-32bit/44.1, 48, 88.2, 96, 176.4, 352.8, 384 kHz PCM format; DSD64, DSD128, DSD256
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