Astell&Kern PD20

Now In (04.20.26)

Overview:

• The first DAP to support personalized sound through a hearing test

• 160-step EQ control via the Sound Master Wheel

• Triple AMP Class with real-time switching

• Class A current control with High / Mid / Low modes

• Proprietary ESA (Enhanced Signal Alignment) technology to minimize group delay

• Advanced DAR

General Specifications:

• Model: PD20

• Body Color: Silver

• Body Material: Aluminum

• Display: 6inch 2160 x 1080 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: Unbalanced 5Vrms │ Balanced 10Vrms (Condition No Load)

• CPU: Octa-Core

• DAC: ESS ES9027PRO x4 (Quad-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 (4.4mm, 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: 3.05” (77.5mm)[W] x 6.12” (155.7mm)[H] x 0.68” (17.3mm)[D]

• Weight: about 11.04oz (313g)

• Feature Enhancements: Firmware upgrade supported (OTA)

• Operating Temperature: 0℃ ~ + 40℃ (32℉~ 104℉)

Audio Specifications:

• Frequency Response

  ±0.005dB (Condition : 20Hz~20kHz) Unbalanced │ ±0.010dB (Condition : 20Hz~20kHz) Balanced
  ±0.020dB (Condition : 20Hz~70kHz) Unbalanced │ ±0.020dB (Condition : 20Hz~70kHz) Balanced

• S/N

  124dB @ 1kHz, Unbalanced │ 127dB @ 1kHz, Balanced

• Crosstalk

  -133dB @ 1kHz, Unbalanced │ -140dB @ 1kHz, Balanced

• THD+N

  0.0003% @ 1kHz, Unbalanced │ 0.0004% @ 1kHz, Balanced

• IMD SMPTE

  0.0006% 800Hz 10kHz (4:1) Unbalanced │Balanced

• Output Impedance

  Unbalanced Out 3.5mm (0.7ohm) │ Balanced Out 4.4mm(1.7ohm)
  * Audio measurement specifications are based on AMP Class AB.

Clock Source

• Clock Jitter: 25pS (Typ.)

• Reference Clock Jitter:250 Femto Seconds

Storage Capacity

• Built-in Memory: 256GB [NAND]

• External Memory: microSD x1 (Max. 2TB)

Battery

• Capacity: 5,770mAh 3.8V Li-Polymer

• Charge Time: about 4hours (PD3.0 Charging)

• Playback Time: about 14hours (Standard : FLAC, 16bit, 44.1kHz, Vol.50, Class AB, LCD Off)

Supported OS

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