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AK100 MKII AK series first generation portable audio player Japan limited sound quality enhanced model, the 'sapphire blue' model appeared in limited edition

Astell &Kern AK100MKII LTD sapphire blue

Astell &Kern AK100MKII LTD sapphire blue
  • Astell &Kern AK100MKII LTD sapphire blue
  • Astell &Kern AK100MKII LTD sapphire blue
  • Astell &Kern AK100MKII LTD sapphire blue
  • Astell &Kern AK100MKII LTD sapphire blue
  • Astell &Kern AK100MKII LTD sapphire blue
  • Astell &Kern AK100MKII LTD sapphire blue
  • Astell &Kern AK100MKII LTD sapphire blue
  • Astell &Kern AK100MKII LTD sapphire blue
  • Astell &Kern AK100MKII LTD sapphire blue
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$ 441.88 (¥ 49,800)
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Product Information

AK100 MKII AK series first generation portable audio player Japan limited sound quality enhanced model, the 'sapphire blue' models appeared in limited production.

Maximum 192kHz/24bit heirezosolution sound native playback support. Pursued a faithful reproduction of the original sound achieved 'Hi-Fi audio can play the sound just the way' Astell &Kern first generation portable audio player.


Equipped with high-quality high-end DAC 'WM8740'

High-end DAC, with manufactured by Wolfson WM8740. Was specifically designed to get precise and courteous design including analog circuits with a WM8740 of extremely high audio performance. And both high-performance and compact, clear and guests can enjoy Hi-Fi quality sound neutral.

[192kHz/24bit Max: supports native playback of high resolution sound

Making full use of high-performance WM8740, corresponding to maximum 192kHz/24bit at the Bit to Bit hires native playback. Amount of information far beyond the audio CDs and a vast dynamic range is the sensibility of the artist and the atmosphere of the scene is also faithfully reproduced, to stage a new portable audio. Even DSD(2.8MHz) the playback is also possible. * DSD is 88.2 kHz / 24-bit conversion

Maximum 96 GB * capacity to achieve dual microSDHC card slots

Equipped with a high bit rate audio sound quality is good but the space becomes enormous, but in addition to the built-in 32 GB high-capacity NAND Flash, supports up to 32 GB SDHC microSD card slot 2 ' dual microSDHC card slot ". * Internal memory contains areas of the system. * microSD card is optional.

152 step dial volume control with

Volume control the dial volume control with 0.5 step also total 152 stage by depending on the recording status, music genre and scene to use the optimum volume adjustment is possible.

Partnerships with a variety of peripheral devices.

equipped with a 3.5 mm diameter earphone output and optical output is shared and separate optical input. Others, equipped with Bluetooth V3.0, it is possible with the PC and audio equipment. * Optical digital input non-176.4 KHz only.

And other features

1 function USB-DAC
1 * gapless playback support
1 set of professional engineers 'PRO EQ'
1. in folder repeat play
1 line-out mode


Product pictures (click to enlarge)


Release date for this product is 12/26/2014.
That order before the release date and will deliver after the release date. For more information Click herePlease visit.

Product specifications

Product name Astell &Kern AK100MKII LTD
Body color Sapphire blue
Recording media
Internal capacity 32 GB NAND Flash * including the areas of the system
External memory * 1 microSD card slot x 2 slot (supports up to SDHC 32 GB maximum)
Music playback
Journal number * 2 Approximately 7,680 songs
Continuous playback * 3 Approximately 12 hours (FLAC / 192kHz/24bit)
Approximately 15 hours (FLAC / 96kHz/24bit)
About 16 hours ( FL.c/44.1khz/16bit )
20 hour (MP3/128 kbps).
File formats WAV, FLAC, APE, MP3, WMA, OGG, AAC, AIFF, ALAC ( M4A ) * 7 DSD (2.8 MHz/1 bit DSF/DFF) * 8
Sampling rate 8 kHz, 16 kHz, 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz
The number of quantization bits 8-bit, 16-bit, 24-bit (* 24-bit is only WAV/FLAC/AIFF/ALAC compatible)
Bit rate FLAC:0-8 and APE:Fast-High, MP3/WMA:8 kbps ~ 320 kbps, OGG:Up to Q10
Folder management
Tag information ID3 V1 Tag, ID3 V 2 2.0, ID3 V 2 3.0
Database management All, another album, by artist, genre, only the number of order, 24-bit sound
Resume function 1 * will * play in head out playing the song.
Album art display
Lyrics display LDB format (embedded lyrics)
Playlist function
How to play Normal playback, shuffle
Repeat mode Repeat the song repeat
Gapless playback 1 * 8 (on, off)
Gain boost function 1 * 8 (on, off)
Equalizer PRO EQ (AK100 MKII only), user EQ (5 band)
D/a converter Wolfson WM8740 (High-End Audio DAC)
Line output terminals * 4 3.5 mm earphone / optical digital output terminal x 1, 3.5 mm optical digital input terminal x 1
USB-DAC function 44.1 kHz ~ 192kHz/16bit, 44.1 kHz ~ 96kHz/24bit * 9
Output level 1.5 Vrms + 1.5 Vrms (no load)
Headphone in pea dance 16-300 Ω
Output impedance 3 Ω
Frequency characteristics 10 Hz-20 kHz / ± 0.02 dB
Dynamic range 110 dB greater than
S / N ratio 110 dB (no 1kHz/0dB, 48kHz/24bit, load)
Stereo crosstalk -120 dB (no 1kHz/0dB, 48kHz/24bit, load)
THD+N 0.0009% (no 1kHz/0dB, 48kHz/24bit, load)
IMD 0.003% (no 48kHz/24bit, load)
Clock Jitter 90 ps
Equalizer function User EQ ( 5 bands: 62 Hz, 250 Hz, 1 kHz, 4 kHz, 16 kHz )
Physical key Power-on / off screen, rewind, play / pause, fast forward, dial volume
Physical lock Volume lock
Volume control 152 step ( 0 ~ 75/0.5 increments)
Version 3.0
Profile * 5 A2DP, HFP
Display language Seven languages Japan Japanese, English, Korea language, simplified Chinese / traditional Chinese, Russia language, Spain language, France,
Supported operating systems Windows 8 (64-bit), 7 ( 32bit/64bit ), Vista (32-bit), XP, 2000, Mac OS X 10.6.5 or more
Power supply
Battery Built-in lithium-polymer battery ( 2000mAh/3.7V )
Auto-off function Auto power off ( inactivity time ), backlight off ( inactivity time ), sleep timer * 8
Charging time About 5:30 (USB charging / 460 mA)
USB type
Shape MicroUSB (5 pin)
Interface USB2.0 High Speed
USB class USB mass storage
Display IPS system color 2.4 LCD
RES QVGA ( W 320 x 240 H dot )
Number of colors 16 million color
Touch panel Capacitance type
Size ( W × H×D) Approximately 59.2 x approx. 79 x approx. 14.4 (mm)
Weight Approx. 122 g
Operating temperature -5 ° c ~ 40 ° c
Contents * 6 For screen protection sheet X4, for rear protection sheet x 1, microUSB cable, private porch, quick start guide, warranty certificate (unit 1 year / accessories 90 days), microSD card 2 GB ( sound 24 bit sample x 5 songs pre-installed )
JAN 4549325012221
Type No. AK100MKII-32GB-ble-J

* 1 is not guaranteed for all microSD cards.
* 2 If the 4-minute songs saved internal space compression rate 128 Kbps (MP 3 format) theoretical value.
* 3 all volume 37, EQ off, screen off
* 4 optical digital cable is sold separately. Optical digital input is not supported only 176.4 kHz.
* 5 Max 96kHz/24bit compatible (* in A2DP standard playback quality will be. ) Is not guaranteed for all Bluetooth devices.
* 6 does not come with earphones. Manual internal memory included in PDF format.
* 7 USB-DAC features for firmware Ver2.10 or later. It is available in Windows XP, Vista, 7, MAC OS X10.7.5 more than 8 (32bit/64bit). does not support the USB-DAC capability via a USB3.0 port on 64-bit OS. May the music played by the specifications of the connected equipment. You cannot use the optical digital output when using a USB DAC. It is not guaranteed work and all the connected devices.
* 8 more FW ver. 2.30 supports playback of DSD files (PCM conversion).



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