ddHiFi TC19 OTG Cable | Flagship Pure Silver Interconnect Cable

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