SKU: 21228037907

Atlas Arran USB A-B Grun

Sale price$1144.35 Regular price$1271.50
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Description

Atlas Arran USB A-B GrunA new generation digital interconnect specifically developed to meet the stringent requirements of USB as a high resolution audio interface. USB (Universal Serial Bus) was initially conceived almost three decades ago as an inexpensive 'jack of all trades' standard enabling the exchange of data and power between all manner of devices. However, using USB for serious hi fi purposes reveals a number of factors which don't affect printers or hard drives,

A new generation digital interconnect specifically developed to meet the stringent requirements of USB as a high-resolution audio interface.

USB (Universal Serial Bus) was initially conceived almost three decades ago as an inexpensive 'jack of all trades' standard enabling the exchange of data and power between all manner of devices.

However, using USB for serious hi-fi purposes reveals a number of factors which don't affect printers or hard drives, primarily concerning timing and digital 'noise;' effects typically heard as a subtle loss of tonal depth, smearing and glare or graininess to the sound. Some of these issues require improved hardware (digital source and/or DAC), but the cable has a potentially crucial part to play.

The Arran SC (Solid Core) USB is our definitive response to the shortcomings of lower-grade USB cables. With Arran, we've addressed multiple cable issues* which can combine to degrade the integrity of the signal transmission.

While in theory, a DAC can 'correct' some of these factors, in practice, it's clear that the harder such circuitry has to work, the poorer the sound quality.

In practice, the ‘Essential Elements’ — conductor, dielectric, connector, screening and manufacturing quality — which we prioritise in analogue audio cables prove equally vital for digital audio.

Accordingly, Arran SC USB features precisely-tailored twin solid core OCC copper data and power conductors, carefully matched low-loss dielectric and our advanced foil & OFC screening throughout. Meticulous assembly with high-quality connectors employing gold-plated contacts ensures an accurate connection to your equipment. This achieves a high level of consistency, both when used over longer lengths and when matching with a range of components.

Performance, particularly with regard to noise levels, is further enhanced by the inclusion of our proven Grun Coherent Ground System.

The result is a clarity, dynamic range and sense of ease to the overall sound rarely encountered in systems where USB is the selected interface and which fully bears comparison with S/PDIF and streaming alternatives.

A Grun lead and spade tag adapter are included; further improvement can be attained via our Grun mains adapter, which can each be used — the effect is cumulative — with up to four Grun-enabled products.

  • Many of these problems — and their solutions — also apply to Ethernet-type streaming audio cables. For more detailed information refer to the Streaming Cables white paper in our Technical Library.

Product Specifications.

Construction Stranded twin balanced
Conductor OCC Copper
Dielectric PEF
Screen Foil/OFC braid
Capacitance 40.05 pF/m
Inductance 0.798 µH/m
Resistance 0.971 Ohms/m
Outside Diameter 8.6 mm
Colour/Finish Blue Fabric/Luxe options
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 21228037907

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4.3 ★★★★★
Based on 22 reviews
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Product Reviews
T
Verified Purchase
This is very very very small and honestly not worth the money ! I should have returned it but it but was not able to at the time!do not waste your money on this product!!!
Grantham, US
★★★★★ 5
Color and quality
Color: Light Brown
Beautiful and wonderfully made just did not work with our color palette
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
C
Verified Purchase
Carlos Andrade
Boise, US
★★★★★ 5
Todo según lo esperado
Color: Dark Brown
Todo como lo esperado
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
J
Verified Purchase
James Turner
Draper, US
★★★★★ 5
Great for blue collar guys
Color: Dark Brown
Perfect size for dumping pockets, phone, knife and keys after work or when switching pants
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Reviewed in the United States on March 3, 2026
J
Verified Purchase
Jessica
Houston, US
★★★★★ 5
Quality Product, Definitely Recommend
Size: 17.2"L x 3.15"W x 0.78"H, Color: Black Walnut, Size: 17.2"L x 3.15"W x 0.78"H, Color: Black Walnut
Looks and feels great. Amazingly smooth, and well-crafted. It fits the length of my keyboard, and has quality grippers on the base to prevent sliding. Was actually really pleased with it.
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Reviewed in the United States on September 15, 2025
J
JCF
Belleville, US
★★★★★ 5
High quality solid wood rest
Size: 14.4"L x 3.15"W x 0.78"H, Color: Black Walnut
This wrist rest is nicely finished and was well packed in high-density foam as well as a cardboard box that was wrapped very tightly in thick plastic. It's sanded very, very smooth and is made of beautiful solid walnut, with nonskid pads on the back. The branding is on the side that touches the keyboard, so it is not visible or obtrusive at all. My keyboard is 15.5 inches long, and the 14.4 inch rest looks great up against it. The 0.78" thickness is also very suitable for the thickness of my keyboard. The product gets 5 stars because it is accurately represented and this is entirely down to personal preference, but something about this rest that I don't love is the degree of incline. I have my keyboard up on the kickstands, and the wrist rest that I already owned slopes pretty dramatically starting from the middle, so it follows the angle of the keyboard. The ZQL wrist rest is about 75% flat and then has a small slope that rounds off on the bottom edge. Again, this is very much a personal thing; I just brought it up because it's something that people might not think too much about until they actually use it. I think this rest would be great for anyone with very large hands, or with a flat keyboard. It's taking a little getting used to for me, but I really enjoy the smoothness and obvious quality of the wood. A wrist rest is an ergonomic must when it comes to thicker keyboards.
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Reviewed in the United States on August 28, 2025

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