Astell & Kern AK120 Mastering Quality Sound Portable Dual DAC Hi-Fi Audio System

Model: AK120 UPC: 821566011992 Item: 156650

Product Information

The Astell&Kern is the ultimate portable high-fidelity audio system capable of playing Mastering Quality Sound (MQS) from music mastering studios. MQS refers to all of the high resolution digital music recording studio formats up to 24-bit/ 44 – 192kHz. MQS delivers vast amounts of better music experience because MQS delivers 6.5 times of the detailed information in the same track.

Astell&Kern features:

  • Meets 100% of Hi-Fi audio specifications
  • Equipped with the world’s first portable Wolfson WM8740 24-bit, 192kHz DAC
  • Can be used as an external optical DAC
  • Touch equalizer (EQ) easily manipulated by the fingertips
  • A user interface with an analog 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: 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: ±0.02dB (Condition: 20Hz~20kHz) / ±0.2dB (Condition: 10Hz~70kHz)
  • Frequency Response: 113dB (1kHz 0dB, 24-bit 48kHz, No Load)
  • Signal to Noise Ratio: -128dB (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)

Battery

  • 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

Memory

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

OS

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

 

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