AudioQuest Forest USB A-B Cable (0.75m Single)

The AudioQuest Forest sits second in AudioQuest’s five-tier USB cable hierarchy, above the entry-level Pearl and below the Cinnamon. Where the Pearl uses pure Long-Grain Copper (LGC) conductors, the Forest steps up to solid 0.5% silver-plated LGC — a meaningful upgrade in conductivity that reduces signal-path resistance and improves high-frequency detail transfer between source and DAC.

Conductor Technology

Forest uses solid-core conductors rather than stranded wire. Solid conductors eliminate strand-interaction distortion — the interference pattern that occurs when individual strands within a conductor make and break contact under flexion. The 0.5% silver plating applied over the Long-Grain Copper base exploits silver’s superior conductivity (the highest of any element) to further reduce signal degradation at the conductor surface, where high-frequency signals travel.

Hard-Cell Foam Dielectric

The insulation surrounding each conductor uses AudioQuest’s Hard-Cell Foam (HCF) — a nitrogen-injected closed-cell material. Because the foam structure is predominantly air (nitrogen), it absorbs significantly less energy from the signal than solid dielectric materials such as PVC or polyethylene. Lower dielectric absorption means less stored energy is released back into the signal path out of phase, preserving transient detail and timing accuracy.

Metal-Layer Noise-Dissipation

Radio-frequency interference is a persistent problem in digital audio cables, particularly in environments with Wi-Fi routers, mobile phones, and switched-mode power supplies nearby. Forest’s Metal-Layer Noise-Dissipation system addresses this by absorbing and reflecting RF energy in a dedicated shielding layer before it can modulate the cable’s ground reference plane. This approach prevents the noise-induced jitter that degrades timing accuracy in digital audio streams.

Direction-Controlled Design

Each Forest USB cable is tested and marked with directional arrows indicating optimal signal flow from source to DAC. This is based on AudioQuest’s finding that metal grain structure in drawn conductors creates a slight directional preference for RF noise drainage. Installing the cable in the marked direction ensures noise is drained away from the receiving equipment.

What the Press Says

• "Detail levels are improved" with "greater precision and punch over bundled cables." — What Hi-Fi? ★★★★☆ (October 2010)