DENAFRIPS IRIS 12TH DDC 
 
The IRIS represents DENAFRIPS’ introductory-level USB Digital-to-Digital Converter (DDC) — the culmination of a meticulous three-year development process. Drawing upon the technological advancements of DENAFRIPS’ acclaimed DAC series, the IRIS integrates our proprietary FPGA DSP Processing, FIFO Buffer & Reclocking architecture, and an exceptional USB Audio Interface powered by the STM32F466 Advanced ARM-based MCU.
 
In celebration of DENAFRIPS’ 12 years of digital audio excellence, the IRIS 12th Anniversary Edition builds upon the beloved sonic signature of the original model, now enhanced with refined performance, superior noise suppression, and a precision-engineered power supply.
 
 
What Is a DDC?
 
A Digital-to-Digital Converter (DDC) converts one type of digital audio signal into another format — bridging compatibility gaps between digital sources and DACs.
 
The DENAFRIPS DDC accepts a digital input (e.g., USB) and converts it to alternative digital outputs (such as AES, Coaxial, Optical, or I²S). Beyond simple conversion, it applies advanced signal processing to significantly reduce jitter and enhance overall sonic purity.
 
By employing a FIFO buffer and high-precision FEMTO clocks, the IRIS achieves timing accuracy and synchronization that minimize distortion and preserve the authenticity of your audio. Furthermore, galvanic isolation ensures that electrical interference is kept at bay — maintaining pristine signal integrity throughout the conversion process.
 
 
12th Anniversary Edition Enhancements
 
The IRIS 12th Anniversary Edition features a host of upgrades designed to elevate audio performance:
 
Eight precision ultra-low-noise linear power regulators
Oversized 60VA UPOCC copper O-Core transformer
Refined multi-stage linear power supply for stable and interference-free operation
FIFO buffer with FEMTO crystal reclocking for superior jitter suppression
 
This meticulous design ensures the digital signal remains pure and stable, providing a level of sonic refinement rarely found in this class of converter.
 
 
Ultra-Pure OCC Copper Transformer
 
At the heart of the IRIS lies a 60VA O-Core Shielded Transformer, meticulously hand-wound in-house using UPOCC copper.
 
This robust transformer supplies clean, consistent power to the multi-stage regulation network — ensuring exceptional stability and dynamic range. By isolating the digital circuitry from power fluctuations, it establishes the foundation for precise and natural sound reproduction.
 
 
Transformation Through Precision
 
If you’re seeking to elevate the sound quality of your Computer Audio System (CAS) — be it a PC, Mac, or Raspberry Pi — the IRIS 12th Anniversary Edition delivers a transformative improvement.
 
It seamlessly integrates with a wide range of DACs, regardless of brand, unlocking a more refined, natural, and immersive sonic experience.
With the IRIS in your system, your digital source is no longer just a computer — it becomes a high-fidelity transport worthy of the finest audio setups.