Products from Astell Kern

Astell Kern AK120 (price: 1 073,55 €, VAT excluded)

Astell Kern AK120
The finest Hi-Fi Audio performance
in a very compact package



The AK120 provides a true dual-mono audio output, completely independent left and right audio channels that provide wider dynamic range and broader soundstage.


Supports up to 192GB of total memory
Professional inspired EQ settings

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: L: 1.5Vrms + R: 1.5Vrms (Condition No Load) 
  • DAC: Wolfson WM8740 24-bit DAC (High-End Audio DAC) x2 
  • 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 3.50 ”(89 mm) [H] x 0.57 ”(14.4 mm) [D] 
  • Weight: 5 oz (143 g) 
  • Feature Enhancements: Firmware upgrades supported

Audio Performance

  • Frequency Response: ±0.02dB (Condition: 20Hz~20kHz) / ±0.2dB (Condition: 10Hz~70kHz) 
  • Signal to Noise Ratio: 113dB (1kHz 0dB, 24-bit 48kHz, No Load) 
  • Crosstalk: -128dB (1kHz 0dB, 24-bit 48kHz, No Load) 
  • THD+N: 0.0008% Typ (1kHz 0dB, 24-bit 48kHz, No Load) 
  • IMD SMPTE: 0.0005% (24-bit 48kHz, No Load) 800Hz 10kHz (4:1) 
  • Output Impedance: 3ohm 

Clock source

  • Clock Jitter: 50ps (Typ)


  • Capacity: 2,350mAh 3.7V Li-Polymer Battery 
  • Continuous Playback Time: Up to 14 hours (Standard - MUSIC: FLAC, 16-bit, 44kHz, Volume 37, EQ Off, LCD Off) 
  • Charge Time: About 6.5 hours 


  • Built-in Memory: 64GB [NAND] 
  • External Memory: microSD (Max 64GB) x2 


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

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