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Astell&Kern AK120II - Portable High Definition Sound System (Silver)
  • Astell&Kern AK120II - Portable High Definition Sound System (Silver) | Cirrus Logic CS4398 x 2 (Dual DAC) | 5.6 MHz DSD Support | 3.3" WVGA AMOLED Full Touchscreen | 128GB Internal Flash Memory
  • Astell&Kern AK120II - Portable High Definition Sound System (Silver) | Cirrus Logic CS4398 x 2 (Dual DAC) | 5.6 MHz DSD Support | 3.3" WVGA AMOLED Full Touchscreen | 128GB Internal Flash Memory
  • Astell&Kern AK120II - Portable High Definition Sound System (Silver) | Cirrus Logic CS4398 x 2 (Dual DAC) | 5.6 MHz DSD Support | 3.3" WVGA AMOLED Full Touchscreen | 128GB Internal Flash Memory
  • Astell&Kern AK120II - Portable High Definition Sound System (Silver) | Cirrus Logic CS4398 x 2 (Dual DAC) | 5.6 MHz DSD Support | 3.3" WVGA AMOLED Full Touchscreen | 128GB Internal Flash Memory

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Item Code: HSAK000028 Part Number: AK120II

Astell&Kern AK120II - Portable High Definition Sound System (Silver)
Cirrus Logic CS4398 x 2 (Dual DAC)
5.6 MHz DSD Support
3.3" WVGA AMOLED Full Touchscreen
128GB Internal Flash Memory

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The AK120II Portable High Definition Sound System from Astell & Kern is a pocket-sized audio system capable of studio Mastering Quality Sound (MQS) support and playback. As a high-definition digital music format, MQS delivers distortion-free sound without data loss by operating at 24 bits and sampling at a rate from 96 to 192 kHz. MQS sources are commonly saved as a lossless 24-bit WAV or FLAC files during mastering. The AK120II also supports 5.6 MHz DSD playback by converting/downsampling to 176 kHz PCM.


The AK120II has an integrated dual-channel Cirrus Logic CS4398 DAC and balanced output to provide exceptional sonic quality and detail. It can also be used as an external DAC when connected to a Mac or PC via USB. Additional DAC support for CD player or other digital device via optical DAC.

The 3.3" AMOLED touchscreen provides smartphone-style control over playback, while the brushed aluminum body and volume wheel provide a smooth analog feel. The built-in battery recharges via USB and lasts for up to 12 hours of playback. The AK120II ships with a protective case and micro-USB cable.


feature:

Frequency Response Unbalance & Balanced: 20 Hz to 20 kHz +/- 0.023 dB
Unbalance & Balanced: 10 Hz to 70 kHz +/- 0.3 dB
Signal to Noise Ratio Balanced: 117 dB @ 1kHz Unbalanced: 116 dB @ 1 kHz
Crosstalk Balanced: 135 dB @ 1 kHz
Unbalanced: 130 dB @ 1 kHz
THD + N Balanced: 0.0005% @ 1 kHz
Unbalanced: 0.0007% @ 1 kHz
IMD SMPTE Balanced: 0.0003% 800 Hz 10 kHz (4:1)
Unbalanced: 0.0004% 800 Hz 10 kHz (4:1)
Output Impedance Balanced Out 2.5 mm: 1 ohm
Phones 3.5 mm: 2 ohms
General Specifications
Display 3.31" WVGA (480 x 800) AMOLED Touchscreen
Supported Audio Formats WAV, FLAC, WMA, MP3, OGG, APE (Normal, High, Fast), AAC, ALAC, AIFF, DFF, DSF
Sample Rate FLAC, WAV, ALAC, AIFF: 8 to 192 kHz (8/16/24 bits per sample)
DSD64: 1bit 2.8 MHz Stereo
DSD128: 1bit 5.6 MHz Stereo
Output Level Balanced: 2.3 Vrms (condition no load)
Unbalanced: 2.1 Vrms (condition no load)
DAC 2 x Cirrus Logic CS4398 (dual DAC)
Decoding Support up to 24 bit/192 kHz (bit to bit decoding)
Input USB Micro-B Input: For charging & data transfer (PC & Mac)
Connection Mode: MTP (Media Device)
Outputs Balanced Out: 2.5 mm (only 4-pole supported)
Phones: 3.5 mm
Optical Out: 3.5 mm
Wi-Fi 802.11 b/g/n (2.4 GHz)
Bluetooth V4.0
Clock Sources Clock Jitter: 50 ps (Typical)
Battery 3,150 mAh 3.7 V Li-Polymer Battery
Memory Built-in Memory: 128 GB NAND
External Memory: 1 x microSD (Max 128 GB)
Supported Operating System Windows XP, Windows 7,8 (32/64 bit)
Mac OS X 10.7 and up
Body Material Aluminum
Dimensions (WxHxD) 2.2 x 4.6 x 0.6" / 5.5 x 11.8 x 1.5 cm
Weight 6.2 oz / 176.9 g
Manufacturer Warranty 1 Year
Manufacturing Defect Exchange 14 Days