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| Category | Details |
|---|---|
| Model | PD20 |
| Body Color | Silver |
| Body Material | Aluminum |
| Display | 6-inch Touch Screen, 2160 × 1080 |
| CPU | Octa-Core |
| DAC | ESS ES9027PRO ×4 (Quad-DAC) |
| Supported Formats | WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF |
| PCM Sample Rate | 8kHz ~ 768kHz (8/16/24/32-bit) |
| DSD Native | DSD64 / DSD128 / DSD256 / DSD512 (Stereo) |
| Decoding | Up to 32bit / 768kHz Bit-to-Bit Playback |
| Output Level | 5Vrms (Unbalanced) │ 10Vrms (Balanced, No Load) |
| Outputs | 3.5mm Unbalanced, 3.5mm Optical, 4.4mm Balanced (5-pole) |
| Input | USB Type-C (Charging / PC / Mac) |
| Wi-Fi | 802.11 a/b/g/n/ac (2.4GHz / 5GHz) |
| Bluetooth | V5.3 (A2DP, AVRCP, aptX HD, LDAC, LHDC, SBC, AAC) |
| Dimensions | 77.5 × 155.7 × 17.3 mm |
| Weight | Approx. 313g (11.04oz) |
| Firmware | OTA Upgrade Supported |
| Operating Temp | 0℃ ~ +40℃ |
| Parameter | Unbalanced (3.5mm) | Balanced (4.4mm) |
|---|---|---|
| Frequency Response (20Hz–20kHz) | ±0.005dB | ±0.010dB |
| Frequency Response (20Hz–70kHz) | ±0.020dB | ±0.020dB |
| S/N Ratio | 124dB | 127dB |
| Crosstalk | -133dB | -140dB |
| THD+N | 0.0003% | 0.0004% |
| IMD (SMPTE) | 0.0006% | 0.0006% |
| Output Impedance | 0.7Ω | 1.7Ω |
| Parameter | Specification |
|---|---|
| Clock Jitter | 25pS (Typical) |
| Reference Clock Jitter | 250 Femto Seconds |
| Parameter | Specification |
|---|---|
| Built-in Memory | 256GB (NAND) |
| External Storage | microSD ×1 (Up to 2TB) |
| Parameter | Specification |
|---|---|
| Capacity | 5,770mAh 3.8V Li-Polymer |
| Charge Time | Approx. 4 Hours (PD3.0 Fast Charging) |
| Playback Time | Approx. 14 Hours (FLAC 16bit/44.1kHz, Vol.50, Class AB, LCD Off) |
Sound Lab Control
The design concept of the PD20 is “Sound Lab Control.” It offers an experience akin to working with professional studio equipment—directly shaping, adjusting, and perfecting sound with precision.
The two wheels positioned on the top each serve a distinct purpose: one for sound tuning, the other for volume control. Their symmetrical layout ensures intuitive operation, while the low-profile protectors surrounding the wheels provide both protection and a sense of openness.
Top-mounted graphics and LED lighting allow you to instantly confirm the current mode without looking at the screen. The AMP and CURRENT slide switches, along with the lock button, are individually positioned to clearly define their functions, while the multifunction key is placed where the thumb naturally rests, enhancing overall usability.
A linear, refined body combined with structurally aligned control elements. The clean design identity pursued by the PD line reaches its fullest expression in the PD20.
To create the ultimate DAP unlike anything experienced before, we went beyond simply adopting the latest DACs and new specifications. We further evolved and applied TERATON ALPHA, Astell&Kern’s Ultimate Sound Solution, incorporating its advanced and innovative audio technologies.
Refined through continuous research, TERATON ALPHA represents Astell&Kern’s integrated audio engineering expertise. Through effective power noise reduction, efficient power consumption with stable amplification, and a precisely engineered audio output interface, it delivers sound that remains faithful to the original source.
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.
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 behavior of the amplifier, allowing you to further refine sound quality according to the characteristics of your earphones or headphones.
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, analog-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.
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, analog-like presentation through clean, distortion-free layering.
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.
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.
Audiodo’s Equalizer offers intuitive control centered 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.
The Sound Master Wheel, a key design element of the PD20, is seamlessly integrated with the Audiodo equalizer.
Each band—Bass, Mid, and Treble—can be finely adjusted across 160 steps, from –8.0 dB to +8.0 dB, allowing even the most subtle preferences to be precisely reflected in your sound.
Without interrupting your music, you can shape and refine the sound purely through the tactile feel of the wheel.
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.
| Colour | Black, Silver |
|---|
As a company, our primary goal is to provide a seamless service that results in customer satisfaction. We aim to deliver within 3 working days. Unfortunately, there may be occasions where this time frame may not be met due to unforeseen circumstances; in this instance, we deliver product/s as soon as we can. All delivery charges are included within the prices quoted unless otherwise specified.
All small items are usually delivered between 9 am and 6 pm, on a Monday to Friday, unless a Saturday delivery is requested. Follow My Parcel is an industry-changing innovation from DPD Local, which will give your customers unparalleled levels of information and peace of mind. Not only will your customers receive a one-hour delivery timeslot, but they’ll now also be able to track the progress of their parcels on a map as our drivers make their way to the delivery addresses. Follow My Parcel will:
