QED Reference USB A-B Cable



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QED Reference USB A-B Cable

Reference USB, the flagship QED USB cable representing the pinnacle of musical performance

Reference USB cable is designed to transmit high definition digital audio between USB audio components (such as a computer or storage device and a high performance DAC) with ultra low jitter. It utilises a carefully engineered geometry including an integral Ferrite jacket, electrically isolated power conductors and an impedance controlled data lane to reduce timing errors within the digital signal, for cleaner audio transmission.


  • 99.999% Oxygen Free Copper twisted pair of 24 AWG
  • Low density Polyethylene (LDPE) high performance dielectric- for sonic purity and low return loss
  • Dual electromagnetic screen using an aluminium mylar wrap and 99.999% OFC shield braid
  • Unique inner Zn/Mn impregnated ferrite screen -for advanced signal protection and reduction of unwanted frequency noise components
  • Ultra Low Jitter design for reduced timing errors
  • 24c Gold plated plugs
  • QED Lifetime Guarantee


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