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QED Reference High Resolution USB cable, coiled with both ends showing

QED · Digital Cables

QED Reference High Resolution USB Cable (A to B)

A USB A to B cable with controlled impedance, a ferrite jacket and isolated data lanes.

£99.00

A single USB audio cable with a controlled-impedance twisted pair for data, double shielding and a floating ferrite jacket. Four lengths from 0.6 m to 3 m.

Length: 0.6m
How would you like it?

  • Delivery, collection or fitting. Free UK delivery unless stated, collection from Lymington, or we install and set it up anywhere across the New Forest and the south coast.

  • Sold and looked after by New Forest Technology Services Ltd in Lymington. Secure checkout. Terms of sale · Delivery & returns.

  • Not sure it's the right one? Call 01425 705035 and talk to an installer, or ask on WhatsApp.

Best for: A computer or music server feeding a DAC, for a more carefully built USB link.

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Goes well with

About the QED Reference High Resolution USB Cable (A to B)

This updated Reference cable has a slimmer, more flexible profile than the one it replaces. The data lane is a 24 AWG, 99.999% oxygen-free copper twisted pair in a foamed polyethylene dielectric. Its impedance is held to 90Ω plus or minus 5%, with a rise time of just 100 picoseconds on a 3 m cable, which QED say keeps jitter in the audio data stream low.

QED’s Clean Path Audio design isolates the data lane with a double-layer shield, so power and noise from a computer stay out of the audio data. A floating Zn/Mn ferrite jacket absorbs high-frequency noise, and QED report 50% less jitter than a comparable cable without it.

It sits in QED’s Reference range. Use it from a computer, laptop, network drive or music server to a DAC or headphone amp with a USB B socket.

Genuine UK stock from an authorised QED dealer. Not sure which cable suits your system? Tell us what you have and we will suggest the right one. We install hi-fi, home cinema and multi-room audio across the New Forest and the south coast. See our audio and video work.

Key features

  • Impedance-controlled data lane, 90Ω plus or minus 5%
  • Clean Path Audio: double-layer shield isolates the data lane
  • Floating Zn/Mn ferrite jacket absorbs high-frequency noise
  • 24 AWG, 99.999% oxygen-free copper data pair
  • Sold as one cable, in 0.6 m, 1 m, 2 m or 3 m

Specifications

Connectors
USB A to USB B
Data lane
24 AWG, 99.999% oxygen-free copper twisted pair
Dielectric
Low-permittivity foamed polyethylene
Impedance
90 Ω plus or minus 5%
Rise time
100 ps (3 m cable)
Shielding
Aluminium/Mylar wrap and shield braid, double layer
Jacket
Floating Zn/Mn ferrite
Lengths
0.6 m, 1 m, 2 m, 3 m

Specifications from QED. They can change between production runs.

Questions about the QED Reference High Resolution USB Cable (A to B)

Is it one cable?

Yes. It is a single USB lead, with an A plug at one end and a B plug at the other.

Will it work with my DAC?

If your DAC has a USB B socket and your source has a USB A port, yes. If your DAC uses USB-C, see our QED Performance USB A to C cable.

Which length should I choose?

It comes in 0.6 m, 1 m, 2 m and 3 m. Measure between your source and the DAC and choose the next length up.

Got a question we haven't answered? Ask us and we'll get back to you.

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