




QED Performance QE7811 USB Type A to USB Type B Cable 0.75m
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QED Performance USB-A to USB-B Cable 0.75m
USB has become one of the most popular ways to connect computers, streamers and music servers to DACs. Simple in theory, until you start looking at cable specifications, data rates, shielding, certification logos and forum debates that somehow turn a straightforward connection into a weekend project.
Performance USB is designed to remove the guesswork. Built specifically for digital audio, it combines USB-IF High Speed® certification, individually screened oxygen-free copper conductors and a low-loss cable design that's optimised for high-resolution audio playback.
Whether you're connecting a laptop, music server, streamer or DAC, Performance USB gives you the confidence that you've got this connection right. Because your USB cable shouldn't become the most complicated component in your system.
Features
- USB-IF High Speed® certified
- Supports high-resolution audio up to 24-bit/192kHz and DSD512
- Individually screened 99.999% oxygen-free copper data conductors
- Low-loss dielectric design
- Triple-screened construction
- Isolated power and data pathways
- Flexible TPE outer jacket
- Nickel-plated USB connectors
- Ultra-flexible TPE outer jacket
Explore the full range in HDMI & Streaming Cables.
Specification
| Conductor Material | Stranded 99.999% Oxygen-Free Copper |
|---|---|
| Conductor Sizes | 1P 7/0.127 + 1C 7/0.254 + 1C 7/0.254 + 1C 7/0.127 + Drain |
| Screening Material | Aluminium Mylar, tinned OFC drain and shield braid |
| Dielectric | Foamed Polyethylene |
| Loop Resistance | 0.093 Ω/m |
| Capacitance Imbalance | <330 pF/100 m |
| Delay Skew | 45 ns/100 m |
| Characteristic Impedance | 90 Ω |
| Jacket Outside Diameter | 6.8 mm |
| Jacket Finish | Stone Grey TPE |
What's Included
- QED Performance USB-A to USB-B Cable 0.75m
QED
About the QED QE7811
From our tech experts at CEN
The QED Performance QE7811 is a 0.75m USB Type A to USB Type B cable for audio and data. It connects a computer or other USB-A host to a device with a square USB-B socket, such as a desktop DAC, and is the shortest of the three USB-A to USB-B lengths in the Performance range.
Who it suits
The 0.75m length suits a DAC sitting right next to a laptop or desktop computer, or a compact desk setup where spare cable gets in the way. For a computer under the desk or a little further away, the 1.5m QE7814 gives more slack.
Our tech experts advise
Check your device has a USB-B socket before ordering. Plug straight into the computer rather than a hub for the most reliable connection, and select the DAC as the audio output in your computer's sound settings. Keep the cable loose rather than taut so the sockets are not strained. See the range in our QED collection.
Explore the full QED range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all QED
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Frequently Asked Questions
Q: What connectors does the QED QE7811 have?
A: It has a USB Type A plug at one end and a USB Type B plug at the other.
Q: What length is the QE7811?
A: The QE7811 is 0.75m long. It is also available in 1.5m (QE7814) and 3m (QE7817).
Q: Can I use the QE7811 to connect a DAC?
A: Yes, if the DAC has a USB Type B input. The QE7811 connects a USB Type A port, such as on a computer, to a USB Type B socket.
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