XiangSheng DAC-03A II AK4495 USB Tube DAC HIFI EXQUIS Coaxial SPDIF HD Exterior Sound Card Headphone Amp DAC03A-II

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New product


Latest version of DAC-03A with headphone amplification part. This version use the lowest jetter value

receiver chip AK4418, and AK4495 chip for decoding fonction 

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) 

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This version add a headphone function and a volume knob in front panel. We will offer a remote control for this device, duo to some international shipping issue, we couldn't offer the battery in the package, the battery needed is CR2032.

This DAC-03A use almost all HIFI level and high quality electronic components,

DAC-03A's coaxial, SPFDI and BNC input are all support 24bit, 192K, but its decode chips are better than DAC-01A.


Features 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 4 digital signal inputs : BNC, coaxial , optical(SPDIF) and also USB
  • 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. (Hifi Exquis )
  • The local digital and digital to analog conversion receiver using lowest jetter value receiver chip AK4418, and AK4495 chip
  • Tube output module use Russian 6H3n tube, the sound is mellow. High voltage and filament are regulated DC power supply. (Hifi Exquis )
  • 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. (Hifi exquis 1101017)
  • 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
  • DAC has 3 Op-amps: it's OPA2604AU or OPA2134PA 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)

Specification Parameters:

  • Dimensions: width 260mm, depth 167mm, height 55mm ( excluding knob , machine feet , connector size)
  • Frequency response : 20Hz-30KHz
  • SNR : OP-amp port output : 110dB (Hifi exquis )
              Tube port output : 90dB
  • Harmonic distortion : General port output : <0.001
               Tube port output : <0.1%
  • Support 16bit, 20bit, 24bit digital stream (Hifi exquis )
  • Supports the following sampling frequencies : 44.1kHz, 48kHz, 88.2kHz, 96kHz, 192KHz
  • Output signal level : about 2V
  • Dynamic range : 120dB (Hifi exquis )
  • Input Impedance: 75 ohms figures
  • Line Output impedance: 600 ohms (Hifi exquis )
  • Headphone Support: 32ohms - 600 ohms
  • Headphone Output Power: 90mw/600Ω, 180mw/300Ω, 450mw/100Ω, 610mw/62Ω,  910mw/32Ω
  • Input voltage : 100V-240V/50Hz60Hz voltage power support
  • Net Weight: about 1.75KG (Hifi exquis )

This is an inside structure view of the new dac and headphone version:



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 (Sunnyvale, United States) on 24 Apr. 2018 (XiangSheng DAC-03A II AK4495 USB Tube DAC HIFI EXQUIS Coaxial SPDIF HD Exterior Sound Card Headphone Amp DAC03A-II) :

Xiangsheng dac-03a

Very good sound but as bnc connector not used yet also usb port

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