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Astell & Kern AK320
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The primary goal of Astell&Kern has always been to deliver the original sound,and the AK320 is doing so!

$1799.00

General Specifications


Display
4” WVGA(480 x 800) Touch Screen

Supported Audio Formats

WAV, FLAC, WMA, MP3, OGG, APE(Normal, High, Fast), AAC, ALAC, AIFF, DFF, DSF

Sample rate

PCM: 8kHz~192kHz(8/16/24bits per sample)

DSD: DSD64, Stereo/DSD128, Stereo

Output Level
Unbalance 2.2Vrms/ Balance 2.3Vrms(Condition No Load)

DAC
AKM AK4490 x2(Dual DAC)

Decoding
Support up to 24bit / 192kHz Bit to Bit Decoding

Inputs

USB Micro-B input(for charging & data transfer(PC & MAC)) / Connection Mode: MTP(Media Device)

Outputs


PHONES(3.5mm) /Optical Out(3.5mm) / Balanced Out(2.5mm, only 4-pole supported)

Wi-Fi
802.11 b/g/n(2.4GHz)

Bluetooth
V4.0(A2DP, AVRCP, aptX)

Dimensions
2.95”(75.15mm)[W] x 4.42”(112.4mm)[H] x 0.64”(16.45mm)[D]

Weight
7.65oz(217g)

Body Material
Aluminum

Body Color
Gun Metal

Feature Enhancements
Firmware upgrades supported(OTA)t


Audio Performance


Frequency Response


±0.053dB(Condition: 20Hz~20kHz) Unbalance & Balance

±0.56dB(Condition: 10Hz~70kHz) Unbalance /±0.55dB(Condition: 10Hz~70kHz) Balance

Signal to Noise Ratio
116dB @ 1kHz, Unbalance/117dB @ 1kHz, Balance

Crosstalk
130dB @ 1kHz, Unbalance/135dB @ 1kHz, Balance

THD+N
0.0008% @ 1kHz, Unbalance/0.0007% @ 1kHz, Balance

IMD SMPTE
0.0007% 800Hz 10kHz(4:1) Unbalance/0.0006% 800Hz 10kHz(4:1) Balance

Output Impedance
Balanced out 2.5mm(1ohm) /PHONES 3.5mm(2ohm)


Clock Source


Clock Jitter
30ps(Typ)
Reference Clock Jitter 200 Femto Seconds


Memory


Built-in Memory
128GB[NAND]

External Memory
microSD(Max. 128GB) x1


Battery


Capacity
3,400mAh 3.7V Li-Polymer Battery


OS


Supported OS
Windows XP, Windows 7, 8,10(32/64bit), MAC OS X 10.7. and up

Device Components:

AK320 Device, Leather Case, Screw Cap, Micro 5pin USB Cable, Quick Start Guide, Warranty Card,
microSD Card Slot Cover x2, Protective Film(Front, Back)