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The LADDER Handel External Clock Audio Digital USB Interface is engineered for audiophiles seeking pristine digital audio transmission. Its constant-temperature crystal oscillator, powered by two LT3045 regulators and double-shielded with a CNC-machined box, minimizes jitter for exceptional signal purity. The high-quality power supply—featuring an imported O-shaped iron core transformer, pure copper wiring, and 17 custom 2200µF capacitors paired with 11 parallel MOSFETs—delivers stable, high-current performance. Multiple LT1763 regulators and WIMA capacitors provide independent, noise-free voltage to critical chips. With support for external clocks (45.1584MHz and 49.152MHz) and a versatile array of outputs (I²S, AES, coaxial, optical), this interface ensures compatibility with a wide range of DACs, offering up to 16x USB sampling rates and a refined, high-resolution audio experience.
| Parameter | Details |
|---|---|
| Model | LADDER Handel External Clock Audio Digital USB Interface |
| Inputs | USB, Coaxial, Optical, AES, Clock |
| Outputs | Coaxial, Optical, I²S C, I²S A, AES 2, AES 1 |
| External Clock Inputs | 45.1584MHz, 49.152MHz |
| Power Supply | Automatic Identification, O-shaped Iron Core Transformer, Pure Copper Cable |
| Power Components | 3 Groups of Transformers, 17x 2200µF Capacitors, 11x MOSFETs (Parallel with Radiator) |
| Crystal Oscillator | Constant-Temperature, Dual LT3045 Regulated, Double-Shielded (CNC Box) |
| Capacitance | Multiple LT1763 Regulators, Various WIMA Capacitors |
| Sampling Rate (USB) | Up to 16x |
| AES Modes | Switchable Single/Double Interfaces |
| I²S Modes | 8 Configurations |












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