QLS-HIFI QA730U audio HiFi USB digital interface

Price: US$199.99
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  • Coaxial output,optical output,I2S output.
  • Word clock output.
  • The sound quality will be improved.
  • Support Mac OS,Linux,Window.


QA730U is heritage of QA661 XMOS USB digital interface,and it is asynchronous USB to digital audio coaxial & optical & I2S output device,you can also treat it as a HiFi USB digital sound card.


Use method:
Connect it with computer and tablet PC via USB,then play music.
Connect output of QA730U with the digital input of your DAC or Amplifier via Coaxial or Optical or I2S.

Digital output:Coaxial output,optical output,I2S output.
Word clock output,for example:if your DAC has word clock input,such as Hilo,you can connect DAC word Clock input via a BNC cable,the sound quality will be improved.
Input voltage:coaxial(0.5V p-p);word clock(3.7Vp-p); I2S(IIS)(3.3V TTL electrical level)
Output impedance:75ohm(coaxial).
Support sampling rate:44.1k 48k 88.2k 96k 176.4k 192k, DSD 64(Dop output)
Sampling Bit:16Bit or 24Bit.
Support Mac OS,Linux,do not need driver.
Provide WinXP or Window 10,32/64 driver.
Support iphone,ipad,need Camera Connection Kit or conversion cable,do not need driver.
Support some android phones,use OTG cable,Hiby player.
Unit Size:110mm*130mm*27mm,0.34KG.
Package size:180mm*155mm*63mm,0.60kg


QA730U *1
USB cable *1
User manual *1
Input AC110-240V,output DC9V DC power supply*1

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