Description
USB audio has become a reference-level source interface, but the quality of the USB connection can still influence what you hear—especially in revealing systems. While digital data is robust, the electrical environment around the transmission is not: computer and network devices generate RF noise, switching supplies pollute the ground reference, and mechanical vibration can subtly affect connector contact stability. The Furutech GT2 NCF USB-B is designed to address these realities with a focused “pure transmission” approach: premium conductors, carefully selected insulation and shielding, and Furutech’s NCF noise-control concept—all engineered to reduce contamination of the digital signal environment and the DAC’s input stage.
Built for USB audio, not generic computing
Standard computer USB leads are built for basic connectivity, not for ultra-quiet playback systems where small reductions in noise can reveal big gains in clarity. The GT2 NCF USB-B is positioned as an enthusiast-grade cable that targets audible improvements such as enhanced depth and focus, richer harmonics, and a more balanced tonal presentation. Furutech explicitly highlights cleaner, better-defined low frequencies and a lowered noise floor as outcomes of the design and NCF integration.
NCF technology: a quieter mechanical and electrical interface
Furutech’s NCF (Nano Crystal² Formula) is incorporated as part of their strategy to reduce negative influences at the cable/connector interface. In practical system terms, that’s important because the USB connection is not only a data path—it’s also a physical interface exposed to vibration and static effects. When noise is reduced at the connection point, the listening result often feels like more “ease”: a calmer background, improved separation, and more stable image placement.
For many systems, the most noticeable benefits appear as:
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More stable imaging and soundstage focus
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Cleaner bass outlines and less low-frequency blur
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Smoother, more coherent midrange texture
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More intelligible micro-detail (reverb tails, room cues, decay)
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Less “digital haze” at realistic listening levels
Silver-plated α-OCC conductors for high-quality transmission
At the core of the GT2 NCF USB-B are silver-plated α (Alpha)-OCC conductors. Furutech’s α treatment and OCC conductor choice reflect their long-standing philosophy: improve material quality and reduce variables that compromise signal transfer. In a USB audio chain, this helps maintain a stable, consistent transmission environment that supports the DAC’s performance rather than adding noise and uncertainty.
Special-grade HDPE insulation and 3-layer shielding
Furutech specifies special-grade high-density polyethylene insulation, chosen to support stable transmission characteristics, and a 3-layer shield construction for improved noise insulation. Shielding matters in modern homes where RF and EMI are everywhere—from Wi-Fi routers to power supplies. By improving noise isolation around the conductors, the GT2 NCF USB-B helps prevent the cable from becoming an antenna that carries interference into the DAC’s input area.
24k gold-plated USB 2.0 connectors for long-term stability
The GT2 NCF USB-B uses Furutech-engineered 24k gold-plated USB 2.0 connectors. Gold plating is valued for stable, corrosion-resistant contact behavior over time—especially helpful in systems where cables are connected and disconnected repeatedly. Stable contact integrity can reduce micro-instability at the interface and support consistent performance.
Choosing the right length (0.6m to 5.0m)
Furutech offers multiple lengths so you can optimize real installations. A practical rule: choose the shortest length that fits your setup comfortably—without tight bends or stress at the connectors. For desktop rigs and short runs, 0.6m or 1.2m is often ideal. For racks where a server/streamer sits farther away, 1.8m to 2.5m may be the best balance. Longer lengths like 3.6m and 5.0m support more complex room layouts while maintaining the same construction and materials.
Ideal applications
The GT2 NCF USB-B is ideal for:
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Computer or music server → USB-B DAC
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Streamer/transport with USB output → DAC
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High-end headphone DAC/amp setups
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Studio playback chains where low noise and stable imaging matter
If your system already has strong resolution but can sound slightly “flat,” “busy,” or lacking in depth, upgrading the USB link with a purpose-built cable can be a highly effective step.








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