XiangSheng DAC-03A PCM1794 USB Tube DAC HIFI EXQUIS Coaxial SPIDIF HD Exterior Sound Card 03A XSDAC03A

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XiangSheng's famous DAC-03A.  This version of dac-03A use CS8416 receiver chip , and PCM1794A chip for decoding fonction

Black SA9023/TE7022L USB version DAC is also in stock in Canada Store,  we can give a fast shipping for Noth American customer and 15usd discount for Canada customer, please contact  us to get the discount

More details




  • With XMOS USB Card
  • With SA9023 USB Card

Black SA9023 USB option is with SA9023 USB decoder(usb sampling is 24b 96khz, if you want Silver SA9023 USB version, please leave us a message in the order page)

Black / Silver XMOS USB option is with XMOS USB decoder(USB sampling is 24bits 192khz) 


The performance characteristics:

  • Compatiblity of device OS of SA9023 USB: almost of  Windows ,  MAC,  Android,  Apple-phone(only with camera set)
    Compatiblity of device OS of Xmos USB:  almost of Windows ,  MAC,  Don't support phone/tablet device
  • This DAC has two stereo RCA outputs : Normal op-amp output OR tube buffer output . it's convenient with tube amp or transistor amp, to get different effects .
  • The main amplifier board with dual-panel design , production of fine .
  • The local digital and digital to analog conversion receiver using CIRRUS CS8416, and TI 's PCM1794A
  • Tube output module use Russian 6H3n tube, the sound is mellow. High voltage and filament are regulated DC power supply.
  • DAC has 3 Op-amps: it's OPA2134PA or OPA2604AU or other same quality/price op-amp, manufactuer chage often the op-amp, so we can not make sure what op-amp extactly, but all are the same/very close quality/sound(confirm by XiangSheng manufacture)
  • The machine resistors, capacitors do not use SMD components , but are of high quality discrete component assembly fever , so the sound quality can be guaranteed. The machine uses a lot of fever components: the Japanese metal film resistors, Germany WIMA polypropylene capacitors, Suren capacitor , CBB subminiature metallized polypropylene capacitors, monolithic capacitors. Never use of polyester , tiles and other common components. Thus ensuring pure sound , high resolving power , small bass , a wide sound field and so on.
  • LED indicators for source inputs
  • The use of the superior performance of R-type transformer power supply ( often used in high-level hifi equipment ) , although the cost ratio circular , square transformer greatly increased , but high efficiency, small magnetic leakage .
  • Digital and analog part of the independent power regulator rectifier filter to reduce interference
  • RCA output and coaxial plug are gold-plated to reduce contact resistance.
  • Realization of the functions of the machine adopts MCU control , channel status and the volume remember when the last shutdown
  • It use almost all HIFI level and high quality electronic components

The specification parameters:

  • Dimensions: width 260mm, depth 167mm, height 55mm 
  • 4 digital signal inputs : BNC, coaxial , optical(SPDIF) and also USB
  • Frequency response : 20Hz-30KHz
  • SNR : OP-amp port output : 110dB
              Tube port output : 90dB
  • Harmonic distortion : General port output : <0.001
               Tube port output : <0.1%
  • Support 16bit, 20bit, 24bit digital stream
  • Supports the following sampling frequencies : 44.1kHz, 48kHz, 88.2kHz, 96kHz, 192KHz
  • Output level : 2000mV
  • Dynamic range : 120dB
  • Input Impedance: 75 ohms figures
  • Line Output impedance: 600 ohms
  • Input voltage : 100V-230V/50Hz60Hz switch voltage power supply
  • Net Weight: about 2KG

The buffer tube is replaced by Russian 6H3n tube:





SA9023 USB(the oscillator is on the back of usb card):

XMOS XU208 USB card(have double speed than old XMOS U8):


HIFI EXQUIS Will give this DAC a more security package:


You could download windows driver for XMOS USB extends card by copy of next link:

SA9023 usb is not need install driver,  it will be installed directly by OS

For driver installation: Disable your antivirus amd unplug the USB cable before install the driver, and then plug it later.

By (Toulouse, South Africa) on 23 Sept. 2017 (XiangSheng DAC-03A PCM1794 USB Tube DAC HIFI EXQUIS Coaxial SPIDIF HD Exterior Sound Card 03A XSDAC03A) :

Very high sound quality DAC

Very high sound quality DAC

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