AK320 with AK320 Case

The primary goal of Astell&Kern has always been to deliver the original sound,and we believed that the AK380 did just that.

We wanted even more people to experience the AK320 and its ability to deliver the original sound as intended.

- AK4490's Dual-DAC, DSD-to-PCM Playback
- Parametric EQ with 20bands 0.1dB
- 200 Femto Second VCXO Reference Clock
- Exceptional Expandability
- DLNA-based AK Connect App
- Metal Touch
Specifications
Model
AK320
Body Color
Gun Metal
Body Material
Aluminum
Display
4inch WVGA (480 x 800) Touchscreen
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(1bit 2.8MHz), Stereo/ DSD128(1bit 5.6MHz), 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
Input
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)
Dimensions
2.95 ”(75.15 mm) [W] x 4.42 ”(112.4 mm) [H] x 0.64 ”(16.45 mm) [D]
Weight
7.65 oz (217 g)
Feature Enhancements
Firmware upgrades supported (OTA)
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 Jitter
30ps(Typ)
Reference Clock Jitter
200 Femto Seconds
Battery
Capacity
3,400mAh 3.7V Li-Polymer Battery
Memory
Built-in Memory
128GB [NAND]
External Memory
microSD (Max 128GB) x1
OS
Supported OS
Windows XP, Windows 7,8,10 (32/64bit), MAC OS X 10.7 and up
FAQ
Q1
How to connect my AK player to my OSX devices?
A
1. Disconnect AK from PC
2. Download the filetransfer driver at Android File Transfer site.
http://www.android.com/filetransfer
3. Install the file downloaded according to the attached guide in pdf.
4. Use AK after connection with PC.