ddHiFi’s New TC19 Series Data Cable Packs Four Pure Silver Conductors Aligned in Parallel, All Within a Housing No Wider Than a Smartphone

• Built with flagship pure-silver conductors
• High-purity 4N mono crystalline silver
  
• Flat four-wire parallel design
• Adheres to USB On-The-Go (OTG) spec required by many audiophile DACs
• Available in USB-C to USB-C, USB-B to USB-C, and USB-B to USB-A

Elevated Sound Quality

When using a smartphone, tablet, or computer for digital audio playback, the quality of the USB cable has a greater impact on sound than raw data transfer speed. Most audio decoders and amplifiers rely on USB 2.0 interfaces, where a sealed shielding layer plays a critical role in maintaining stable transmission and protecting against electromagnetic interference.

The TC19 sets a new standard with pure silver conductors for both the positive and negative data lines, each housed within its own independent mesh shielding. By aligning the signal paths in parallel with equal transmission lengths, the TC19 ensures exceptional signal accuracy and sonic precision across your entire audio chain.

Four-Wire Parallel Design

The redesigned TC19 series arranges its four conductors—power positive, data negative, data positive, and power negative—in a perfectly parallel layout. Despite its precision engineering, the cable remains no wider than a smartphone port. Achieving this streamlined structure requires highly specialized manufacturing, including slow, meticulous twisting and uniform insulation wrapping. The result is a cable with consistent thickness, exceptional flexibility, and uncompromising build quality.

Precision Shielding Against Interference

Signal interference from smartphones and computers often stems from electromagnetic leakage at plug joints and solder points. The TC19 combats this at the source with a CNC-machined, one-piece metal housing, featuring precisely interlocking upper and lower shells. This zero-gap, fully enclosed shielding cavity completely isolates the internal signal pathways from external electromagnetic interference, effectively eliminating crosstalk and preserving signal integrity.

Ergonomic Design Meets Visual Elegance

The TC19’s tail end features an innovative curved protrusion, thoughtfully designed to follow the natural arc of finger movement, making plugging and unplugging feel effortless and intuitive. This fusion of rigid metal texture with soft, flowing lines strikes a balance between form and function, delivering both practical ease of use and a visually refined aesthetic. Every interaction offers a tactile expression of meticulous craftsmanship and elegant design.

Specifications

• Cable Structure: Flat 4-wire parallel arrangement
• Insulation Material: SoftFlex PVC
• Data Section
  • Conductor Gauge: 25.6AWG (D+), 25.6AWG (D-)
  • Conductor Material: High-purity 4N mono crystalline silver
  • Shielding Material: 22.7AWG oxygen-free copper with silver plating
• Power Section
  • Conductor Gauge: 21.3AWG (V+), 21.3AWG (G)
  • Conductor Material: 5N long-grain copper with silver plating
  • Conductor Area: 0.376 mm² × 2