AudioQuest Diamond USB-C to USB-C High-Definition Audio Cable

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AudioQuest-Diamond-USBC-USBC-Audio-Cable
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AudioQuest Diamond USB-C to USB-C High-Definition Audio Cable

The AudioQuest Diamond USB-C to C Digital Audio Cable is a top-tier USB Type-C to Type-C connection engineered for high-fidelity digital audio systems. It is built to deliver the cleanest signal possible between USB-C sources and USB-C DACs or audio components, emphasizing clarity, ultra-low noise, and minimal distortion.

Conductor Purity and Surface Technology

This cable uses solid Perfect-Surface Silver (PSS) conductors—100% silver—chosen to reduce distortion from grain boundaries and to provide excellent high-frequency conduction. Because digital transitions often travel along conductor surfaces, the pure silver composition helps preserve signal integrity.

Noise Dissipation and Shielding Scheme

To protect against radio-frequency interference and electromagnetic noise, the cable incorporates a metal-layer noise-dissipation system. This acts as a “shielding the shield” layer, absorbing or redirecting noise before it can interfere with the signal or ground paths.

Insulation, Dielectric, and Biasing Techniques

The cable uses rigid insulation materials (such as foamed polyethylene or equivalent) chosen for low dielectric absorption. In addition, it supports a 72 V Dielectric-Bias System (DBS) that applies a constant electrostatic field across insulation to reduce nonlinear dielectric behavior, helping maintain timing accuracy and reduce distortion.

Key Features
  • Solid Perfect-Surface Silver (PSS) 100 % silver conductors
  • Metal-layer noise-dissipation shielding (shielding the shield)
  • 72 V Dielectric-Bias System (DBS) for insulation linearity
  • Rigid low-absorption insulation (foamed materials)
  • USB 2.0 High-Speed support (up to 480 Mbps)
  • Standard USB audio voltage: 5 V
  • Consistent internal geometry for stable impedance
  • Precision direct-silver plated connectors
  • Directional design to steer noise flow
  • Engineered for low jitter, low distortion, and clean digital transfer