Products from Astell Kern

Astell Kern AK100 (price: 577,69 €, VAT excluded)

Astell Kern AK100
A practical Hi-Fi audio solution
in a portable package



Equipped with the Wolfson WM8740 DAC

First portable audio device equipped with the Wolfson WM8740 24-bit/192kHz Stereo DAC
Compatible as an External Optical DAC

Volume Wheel & Aluminum Body

Volume wheel gives an analog feel to the fingertips.
Detailed hairline pattern of aluminum body gives
a luxurious look and feel.

General Specifications

  • Display: 2.4inch QVGA (320 x 240) IPS Touchscreen 
  • Supported Audio Formats: WAV, AIFF, FLAC, ALAC, APE, MP3, AAC, WMA, OGG 
  • Sample rate: WAV, AIFF, FLAC, ALAC : 8kHz ~ 192kHz (8/16/24-bits per sample) 
  • Output Level: 1.5Vrms (No Load) 
  • DAC: Wolfson WM8740 24-bit DAC (High-End Audio DAC) 
  • Decoding: Supports up to 24-bit / 192kHz Bit to Bit Decoding 
  • Charging Interface: Micro USB Type-B 
  • Interface: USB 2.0, OPTICAL IN/OUT, Headphone Out 
  • Dimensions: 2.33 ”(59.2 mm) [W] x 3.11 ”(79 mm) [H] x 0.57 ”(14.4 mm) [D] 
  • Weight:
  • 4.3 oz (122 g)
  • Feature Enhancements: Firmware upgrades supported 

Audio Performance

  • Frequency Response: 10Hz to 20kHz +/-0.02dB (24bit 48kHz, No Load) 
  • Signal to Noise Ratio: 110dB (1kHz 0dB, 24bit 48kHz, No Load) 
  • Crosstalk: -120dB (1kHz 0dB, 24bit 48kHz, No Load) 
  • THD+N: 0.0009% (1kHz 0dB, 24bit 48kHz, No Load) 
  • IMD SMPTE:0.003% (24bit 48kHz, No Load)
  • Output Impedance: 20 ohm 

Clock source

  • Clock Jitter: 90ps


  • Capacity: 2,000mAh 3.7V Li-Polymer Battery 
  • Continuous Playback Time: Up to 16 hours (Standard - MUSIC: FLAC, 16-bit, 44kHz, Volume 37, EQ Off, LCD Off)
  • Charge Time: About 5 hours 


  • Built-in Memory: 32GB [NAND] 
  • External Memory: microSD (Max 32GB) x2 


  • Supported OS: Windows XP, Windows Vista,7,8 (32/64bit), MAC OS X 10.6.5 and up

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