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AudioQuest - Carbon - USB Digital Audio Cable (Single)

AudioQuest - Carbon - USB Digital Audio Cable

AudioQuest - Carbon - USB Digital Audio Cable (Single)

AudioQuest's digital cables start with Long-Grain Copper (LGC) conductors, which is a low-distortion metal with fewer grain boundaries and low oxygen content. Each successive step up in the line adds the cost-effective performance benefits of silver plating (in increasing amounts), with the top cable in each digital cable family employing AudioQuest's best conductor metal, solid 100% PSS. Geometry is optimized for each application, with insulation materials ranging from hard-cell foam to solid polyethylene.

In 1982 Sony gave AudioQuest "Perfect sound forever," along with the attitude that, "it's just digital, so all CD players sound the same." That was disproved and qualitative differences between players became accepted truth. Next came separate transport and DAC combos, which brought with it the attitude that "all S/PDIF digital audio cables sound the same..." until that too became disproved. Now the frontier has moved once again. Is digital audio really just ones and zeros? We don't believe so, and once you've had a chance to listen to Carbon USB, you won't think so either.


Solid conductors eliminate strand-interaction distortion and reduce jitter. Solid silver-plated conductors are excellent for very high-frequency applications, like HDMI audio and video. These signals, being such a high frequency, travel almost exclusively on the surface of the conductor. As the surface is made of high-purity silver, the performance is very close to that of a solid silver cable, but priced much closer to solid copper cable. This is an incredibly cost effective way of manufacturing very high-quality HDMI cables.


Hard-Cell Foam (HCF) Insulation ensures critical signal-pair geometry. Any solid material adjacent to a conductor is actually part of an imperfect circuit. Wire insulation and circuit board materials all absorb energy. Some of this energy is stored and then released as distortion. Hard-Cell Foam Insulation is similar to the Foamed-PE used in our more affordable Bridges & Falls cables, and is nitrogen-injected to create air pockets. Because nitrogen (like air) does not absorb energy and therefore does not release any energy from or into the conductor, distortion is reduced. In addition, the stiffness of the material allows the cable's conductors to maintain a stable relationship along the cable's full length, producing a stable impedance character and further minimizing distortion.


It's easy to accomplish 100% shield coverage. Preventing captured Radio Frequency Interference (RFI) from modulating the equipment's ground reference requires AQ's Noise-Dissipation System (NDS). Traditional shield systems typically absorb and then drain noise/RF energy to component ground, modulating and distorting the critical "reference" ground plane, which in turn causes a distortion of the signal. NDS's alternating layers of metal and carbon-loaded synthetics "shield the shield," absorbing and reflecting most of this noise/RF energy before it reaches the layer attached to ground.


USB Options
USB Options


  • Solid 5% Silver Conductors
  • Hard-Cell Foam Insulation
  • All Conductors Controlled for RF Noise Directionality
  • Carbon-Based 3-Layer Noise Dissipation System (NDS)
  • USB A to Micro option is Micro B 2.0


Solid 5% Silver

Hard-Cell Foam

Noise-Dissipation System
Carbon-Based 3-Layer Noise-Dissipation System

Black/Gray Braid

USB 2.0 Lengths
Up to 5.0m

USB 3.0 Lengths
Up to 3.0m

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