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Breaking Away From The Normal PD10
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Breaking Away From The Normal

Astell&Kern has long maintained a diverse lineup tailored to the unique characteristics of each product. However, we have come to realize that a departure from conventional methods is essential for achieving true innovation.
The PD10 represents our first product that ventures beyond the constraints of our existing lineup, marking a new endeavor. It is designed to provide users with a more convenient and distinctive experience of 'optimal sound,' and even the iconic Astell&Kern volume wheel design has been reinterpreted in a novel way.
Experience the beginning of “Breaking Away From The Normal”, the Astell&Kern PD10.

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  • World's First Application of AK4498EX in a DAP
  • HEXA Audio Circuit Structure : Complete Separation of Digital and Analog Signal Processing
  • Equipped with Impedance-Adaptive Dual Amplifiers
  • Automatic Amplifier Matching Mode : Smart Gain
  • Overwhelming Audio Performance Through Independent Dual Audio Circuits
  • Astell&Kern Device to Support Full Android OS
  • Advanced DAR Technology
  • Features 4.5th generation UI, combining functionality and emotional design
  • AKM4498EX

    AKM4498EX
    Quad-DAC

  • Octa-Core

    Octa-Core

  • TERATON Alpha

    TERATON
    Alpha

  • Smart Gain

    Smart Gain

  • Android OS

    Android OS

  • Advanced DAR

    Advanced
    DAR

  • Advanced DAR

    roon
    READY

  • Advanced DAR

    qobuz
    CONNECT

First Application of AK4498EX in a DAP

By applying AKM's latest DAC AK4498EX, we have achieved a more natural sound. Adopting a HEXA audio circuit structure, featuring two AK4191EQs for processing digital signals and four of AKM's latest DACs, the AK4498EX, combined with Astell&Kern’s TERATON ALPHA technology, the highest level of sound quality is delivered.

HEXA Audio Circuit Structure with Complete Separation of Digital and Analog Signals

The PD10 employs four AK4498EX DACs incorporated in an innovative HEXA audio circuit design with two separately applied AK4191EQs for processing digital signals, resulting in the creation of the finest sound.

The HEXA audio circuit is designed with a structure in which the AK4191EQ, a separate Digital delta-sigma modulator, reduces noise from the input digital signal, and then the AK4998EX, a completely isolated Analog DAC, processes only the analog signal separately.

By physically and perfectly separating digital and analog signal processing, The PD10 it delivers an astonishing level of sound that has never been experienced before.

Automatic Amplifier Matching Mode : Smart Gain

The PD10 instantly checks the impedance of the connected receiver upon plugging in your earphones or headphones and automatically sets the appropriate AMP. Regardless of which earphones (headphones) are connected, the player automatically distinguishes between low and high impedance without cumbersome settings and matches the optimal AMP.

Earphones with an impedance of 32ohm or less are set to Normal Gain, providing a maximum output of 5.5Vrms in Balanced, and earphones exceeding 32ohm are set to High Gain, providing ample output of up to 8.3Vrms based in Balanced output. The customized amplifier matching function (Smart Gain) provides audio enthusiasts who use a variety of earphones and headphones with a fresh listening experience.

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Equipped with Impedance-Adaptive Dual Amplifiers

To cater to the diverse listening environments of our users, the PD10 is equipped with two distinct amplifiers. Different sound tunings have been applied to each AMP, considering the average impedance of the connected earphones and headphones.
The Normal Gain AMP reproduces delicate details and high-purity sound quality, faithfully expressing the original sound.
The High Gain AMP specializes in handling complex and dynamic sounds, expressing audio signals more vividly and with greater clarity. Enjoy a variety of sounds from a single player, according to your preference and the earphones and headphones you use.

In order to complete the ultimate DAP that has never been experienced before, we have not only applied the latest DAC and new specifications, but also further developed and applied Astell&Kern's revolutionary audio technology, TERATON ALPHA, our Ultimate Sound Solution.
Boasting effective power noise removal, efficient power consumption, stable amplification, and a perfectly converted audio output interface, TERATON ALPHA is Astell&Kern's unique technology, focused on realizing sound close to the original.

Overwhelming Audio Performance
Through Independent Dual Audio Circuits

To create an innovative DAP beyond the level of excellent DAPs, a DAP that no one has ever attempted, we aimed to overcome the limitations of sound by designing independent dual audio circuits for Unbalanced and Balanced outputs. In most DAPs, Unbalanced and Balanced signals are used together in the internal DAC structure. Since the signal output from the DAC is divided into Unbalanced and Balanced signals and transmitted to the AMP, an Audio Switch is essential.

However, the Audio Switch has a limit to the range of signals it can receive from the DAC, so it first reduces the signal size and then transmits it to the amplifier to restore it to its original signal size, which creates limitations in improving audio performance. By creating two separate, independent audio circuits, one for balanced output and a second for unbalanced output, Astell&Kern maximizes audio performance no matter what output is being used.

We invite you to experience the high-level sound created by Astell&Kern's innovative circuit technology.

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Astell&Kern’s Full Android OS Integration

Astell&Kern has overcome Android OS’s sampling limitation (SRC) through its proprietary customization technology, ADP (Astell&Kern Direct Path). This allows for bit-perfect, lossless playback even in streaming environments, ensuring the highest possible sound quality during music listening.

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[ Astell&Kern Direct Path Flow ]

In response to the growing shift toward streaming-based music consumption, Astell&Kern has integrated full Android OS for the first time.

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Advanced DAR by Astell&Kern

Advanced DAR, Astell&Kern’s second-generation DAR (Remaster) technology, is first applied to the SP4000, delivering sound that is even more natural and reDigital Audio fined. Rather than sending the audio file directly to the DAR engine, VSE (Virtual Sound Extender) to virtually restore lost harmonics, enhancing the sound quality at the initial stage.

Then, the advanced DAR engine performs a second-stage upsampling process with greater precision and completeness. This two-step approach allows listeners to enjoy a deeper, more immersive sound that comes closer than ever to the original recording.

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  • [ Lossy audio above 16kHz ]
  • [ Data restoration through VSE ]
  • [ DAR applied after data restoration ]
DAR option
Maximum Conversion Rate
  • PCM 44.1kHz range PCM will be converted to 352.8kHz for playback
    48kHz range PCM will be converted to 384kHz for playback
    No conversion will be made when playing DSD with this option selected
  • DSD PCM files lower than 96kHz will be converted to DSD128 for playback
    PCM files over 96kHz will be converted to DSD256 for playback
    DSD files below DSD256 will be converted DSD256 for playback with this option selected
  • * The DAR function can be turned on and off and you may select it to suit the source sound and your own preferences.
  • * Max PCM rate 384kHz/DSD64 conversion play is supported, and the files will be converted to and played in the sample rates that fit the source sound.

Equipped with a 5,770mAh
High-Capacity Battery

The PD10 enables up to 15 hours of continuous playback with its optimized circuit configuration. Although the screen is larger and the performance is upgraded, you can enjoy music without worrying about battery life with the extended playback time.

  • * Standard: FLAC, 16bit, 44.1kHz, Vol.50, LCD Off, Normal Gain.
  • * Continuous playback time may vary depending on the usage environment.

Enhanced 4.5th-Generation UI That Blends Function and Emotion

The PD10 features an upgraded UI that balances both functionality and emotional experience. The main screen includes an immersive animation where an LP appears to slide in and out as you swipe through albums—turning the act of choosing music into a visually engaging and tactile experience.
The interface retains Astell&Kern’s signature Crimson theme, reflecting the brand’s identity and capturing its distinct emotional sensibility in a refined, modern design.

Sound Design Through DAC Filters

With the PD10, you can enjoy the fun of creating your own sound style by directly selecting various DAC filters provided by the DAC manufacturer. Design your own sound through 6 DAC filters.

Sound Type
Impulse Response
Filter name
Remarks
Edge
  • Natural Tone wave Super Slow Roll-off No echo reproduces
    natural sound     Ultra-Sharp
  • Acoustic Tone wave Short Delay Slow Roll-off Minimal echo reproduces
    original sound     Sharp
  • Traditional Tone wave Slow Roll-off Minimal echo reproduces
    original sound     Middle
  • Harmonic Sound wave Low dispersion Short echo reproduces
    original sound     Middle
  • Acoustic Sound wave Short Delay Sharp Roll-off Post echo enhances
    bass sound     Sharp
  • Traditional Sound wave Sharp Roll-off Pre and post echoes make
    powerful sound     Slow

Crossfeed,
Speaker effect when listening through headphones

In a headphone environment in which the left and right channels are clearly separated, ear fatigue may increase during prolonged listening. The moment you turn on Crossfeed, the experience of crisp, but comfortable sound begins. Crossfeed mixes parts of the original signal from one channel and sends that signal to the opposite channel with a time difference to center the sound image.
Through the use of detailed settings such as Shelf Cutoff, Shelf Gain, and Mixer Level, you can set the level of crossfeed according to your listening preferences.

* Crossfeed supports PCM formats of 24 bits / 192 kHz or less.

Real-Time Information with LED Lights

The LED light surrounding the power button provides information on the Bit Depth of the currently playing song, and also adds a visually pleasing element by making it shine and stand out.

* The LED light can be turned on or off according to user settings.

  • 16bit
  • 24bit
  • 32bit
  • DSD

Supports Native DSD512, 32bit/768kHz

PD10 supports Native DSD512 and up to 32bit/768kHz with Astell&Kern’s excellent audio technology, allowing you to fully enjoy your favorite music.

Equipped with a 6-inch Large Screen Full HD Display

Experience the PD10 more conveniently and comfortably through the wider and higher-quality 6-inch large screen display

AK File Drop to enjoy wireless transfers

The new AK File Drop function in the PD10 makes files transfers easier and more convenient. Using AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network. Music file management is now possible with a cableless, wireless solution.

ReplayGain Automatically and Uniformly Adjusts Playback Volume

ReplayGain for Automatic Volume Level Adjustment ReplayGain functionality, which adjusts audio sources with varying volume levels to a uniform loudness, has been implemented. Enjoy your personalized playlists with the ReplayGain feature.
* ReplayGain supports up to 24bit/192kHz audio sources.

PD 3.0 Fast Charging Supported

Contents to be added later

Wireless Hi-Fi Sound via BT Sink

The BT Sink function allows you to connect the PD10 to an external device via Bluetooth, similar to connecting a smartphone to a BT speaker. Music being played on the external device can be transmitted to the PD10 through the BT Sink function.

  • roon ready_logo

    Roon Ready network players

    Roon Ready network players from our partners have Roon’s high-resolution streaming technology built right in. They combine simple setup, daily reliability, and support for the highest level of digital audio performance in the industry. Every Roon Ready player is certified by Roon to guarantee the same stellar experience, regardless of its manufacturer, its price, or its features.

  • qobuz_logo

    Qobuz Connect support

    With Qobuz Connect, seamlessly enjoy the full Qobuz experience. This feature offers the ability to control your Hi-Fi music directly from a Qobuz app, switch between devices while your music continues from the exact moment you left off, and control various Qobuz applications with each other. Simply launch Qobuz, press play, and enjoy the highest sound quality and an unmatched listening experience with CD/lossless and Hi-Res quality up to 24-bit/192 kHz—it’s that simple.

Leather Case

The PD10 bundle case is made using polyurethane fabric from the Italian company Synt3.
Synt3 is an eco-friendly material certified under RCS (Recycled Claim Standard) version 2.0, which verifies the use of recycled materials from raw materials to the final product. It is highly durable and resistant to contamination.
Synt3’s eco-friendly leather maintains its quality even after long-term use, ensuring continuous usability.
Designed to highlight the unique features of the PD10, the case is engineered for easy access to all buttons and offers an optimized fit that provides perfect protection while ensuring the best grip. It not only enhances visual appeal but also elevates the overall PD10 experience.

Synt3 from Milan

The various patterns and colors of new brands developed and introduced by Synt3 are always considered the new standard in the industry. This demonstrates Synt3’s outstanding design sensibility, which stays ahead of the industry and leads global design trends.

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DESIGN

The design concept of the PD10 is 'Contrast Cube.'
The harmony of Stainless Steel and Glass materials in the body creates a simple yet rich look through light reflection. Designed for easy one-handed operation in line with DAP characteristics, the intuitive button control enhances user immersion.
To evoke the powerful performance of a high-output audio player, the design resembles a 'Control Tower' that focuses on the core functions of the DAP.
For the first time in an Astell&Kern DAP, the volume wheel has been replaced with buttons, creating a clean and minimalist look while using distinct material contrast to draw the user's attention to the control buttons. The PD10’s carefully crafted design and production process, which enhance the unique colors of the materials, demonstrate Astell&Kern's exceptional craftsmanship.

Specification

  • General Specifications
    • Model

      PD10

    • Body Color

      Black, Silver

    • Body Material

      Stainless Steel

    • Display

      6inch 1080 x 2160 Touch screen

    • Supported Audio Formats

      WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF

    • Sample rate

      PCM : 8kHz ~ 768kHz (8/16/24/32bits per Sample)
      DSD Native : DSD64(1bit 2.8MHz), Stereo / DSD128(1bit 5.6MHz), Stereo
      DSD256(1bit 11.2MHz), Stereo / DSD512(1bit 22.4MHz), Stereo

    • Output Level

      [Normal] Unbalanced 2.6Vrms │ Balanced 5.6Vrms (Condition No Load)
      [High] Unbalanced 4Vrms │ Balanced 8.3Vrms (Condition No Load)
      [Cradle XLR Out] 5.6Vrms (Condition Load)

    • CPU

      Octa-core

    • DAC

      AKM4191EQ x2 (Dual Modulator) + AKM4498EX x4 (Dual+Dual DAC)

    • Decoding

      Support up to 32bit / 768kHz Bit to Bit playback

    • Input

      USB Type-C input (for Charging & PC & MAC)

    • Outputs

      Unbalanced Out (3.5mm), Optical Out (3.5mm)
      Balanced Out (4.4m, only 5-pole supported)

    • Wi-Fi

      802.11 a/b/g/n/ac (2.4/5GHz)

    • Bluetooth

      V5.3 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC, LHDC, SBC, AAC)

    • Dimensions

      2.96 (75.4mm)[W] x 5.88” (149.5mm)[H] x 0.68” (17.3mm)[D]

    • Weight

      About 15.34oz (435g)

    • Feature Enhancements

      Firmware upgrade supported (OTA)

    • Operating Temperature

      0℃ ~ + 40℃ (32℉~ 104℉)

  • Audio Specifications
    • Frequency Response

      ±0.066dB (Condition : 20Hz~20kHz) Unbalanced │ ±0.066dB (Condition : 20Hz~20kHz) Balanced
      ±0.62dB (Condition : 20Hz~70kHz) Unbalanced │ ±0.61dB (Condition : 20Hz~70kHz) Balanced

    • S/N

      125dB @ 1kHz, Unbalanced │ 128dB @ 1kHz, Balanced

    • Crosstalk

      -137dB @ 1kHz, Unbalanced │ -138dB @ 1kHz, Balanced

    • THD+N

      0.0007% @ 1kHz, Unbalanced │ 0.0006% @ 1kHz, Balanced

    • IMD SMPTE

      0.0004% 800Hz 10kHz (4:1) Unbalanced │Balanced

    • Output Impedance

      Unbalanced Out 3.5mm (1ohm) │ Balanced Out 4.4mm(1.6ohm)
      *Audio measurement specifications are based on Normal gain.

  • Clock Source
    • Clock Jitter

      25pS (Typ.)

    • Reference Clock Jitter

      250 Femto Seconds

  • Storage Capacity
    • Built-in Memory

      256GB [NAND]

    • External Memory

      microSD x1 (Max. 1.5TB)

  • Battery
    • Capacity

      5,770mAh 3.8V Li-Polymer

    • Charge Time

      about 4hours (PD3.0 Charging)

    • Playback Time

      about 15hours (Standard : FLAC, 16bit, 44.1kHz, Vol.50, LCD Off, Normal Gain)

  • Supported OS
    • Supported OS

      Windows 8,10,11(32/64bit) MAC OS X 10.7

  • Price
    • 　

      $2,200