ES9027PRO Quad-DAC
Designed with a singular focus on sound quality, PD20 adopts the ESS ES9027PRO DAC in a Quad-DAC configuration.
Four DACs operate independently to minimize inter-channel interference and deliver precise signal separation. As a result, even the finest nuances in sound are revealed with greater clarity, creating a natural, analogue-like presentation through clean, distortion-free layering.
Enhanced Signal Alignment
Through its in-house developed ESA (Enhanced Signal Alignment) technology, PD20 significantly improves one of the fundamental challenges in audio reproduction—group delay. ESA precisely aligns frequency signals so they arrive more uniformly, minimizing frequency distortion and enhancing clarity and cleanliness of sound.
Triple AMP Architecture
PD20 features three distinct amplifier classes, allowing you to directly choose both sonic character and driving performance.
Class A mode delivers rich, high-density sound with minimal signal distortion, expressing a smooth, analogue-like texture.
Class AB mode offers excellent balance and efficiency, providing stable dynamics and articulate detail.
Hybrid mode combines the refined texture of Class A with the efficiency and power of Class AB, creating a new level of sonic balance.
Switching between amplifier classes is achieved through a physical slide key rather than a software menu, enabling intuitive, immediate control based on your listening situation. Choose the amplifier class that best matches your music and listening environment.
Adjustable Class-A Current
In Class A and Hybrid modes, the amplifier current can be adjusted in three levels: High / Mid / Low.
AMP Current adjustment goes beyond simple output control. It precisely fine-tunes the energy density and driving behaviour of the amplifier, allowing you to further refine sound quality according to the characteristics of your earphones or headphones.
Sound Tuned to Your Hearing
PD20 delivers optimal sound tailored to your individual hearing.
Developed in collaboration with global audio solution leader Audiodo, Personal Sound is used in a DAP for the first time, creating a personalized profile exclusively for you and redefining how you experience sound.
By precisely analysing your hearing characteristics and independently compensating for left and right ears, it dramatically enhances clarity and balance. Regardless of genre, volume level, or the headphones or IEMs you use, you can enjoy a consistently optimized listening experience.
With a simple hearing test, your personal listening experience is complete.
Audiodo Audiosphere
Audiosphere goes beyond conventional stereo, delivering a powerful sense of spatial immersion. It expands two-channel audio into a virtual three-dimensional sound field and offers four presets: Subtle, Balanced, Immersive, and Echoic.
From the expansive resonance of orchestral performances to the realism of video content, you can select the sound atmosphere that best suits your listening preference.
Effortless, Intuitive EQ Control
Audiodo’s Equalizer offers intuitive control cantered on Bass, Mid, and Treble. Working in harmony with the Personal Sound profile, it operates on an already corrected sound foundation, ensuring stable and consistent performance.
With the Tilting function, you can naturally adjust the overall tonal balance toward either the low or high frequencies, while preserving the original sound character.
Advanced Digital Audio Remaster
Advanced DAR is a second-generation DAR technology designed to deliver a more natural and refined sound.
Rather than sending the audio signal directly to the DAR engine, the signal first passes through VSE (Virtual Sound Extender), where lost harmonics are virtually restored to enhance sound quality.
After this initial enhancement, DAR processing is applied in a second stage to achieve more complete and sophisticated upsampling. Through this process, listeners can experience a deeper, more immersive sound that remains faithful to the original recording.
