Operation Manual

Miscellaneous 46
User Guide
Specifi-
cations
AK120 II
PPM21
STONE SILVER
Aluminum
3.31 inch WVGA (480x800) AMOLED Touch Screen
WAV, FLAC, WMA, MP3, OGG, APE (Normal, High, Fast),
AAC, ALAC, AIFF, DFF, DSF
FLAC, WAV, ALAC, AIFF: 8 kHz - 192 kHz (8/16/24 bits per sample)
DSD: DSD64(1 bit 2.8 MHz), DSD128, Stereo
Unbalanced 2.1 Vrms/ Balanced 2.3 Vrms (Condition No Load)
Cirrus Logic CS4398 x 2 (Dual DAC)
Support up to 24 bit / 192 kHz Bit-to-Bit Decoding
USB Micro-B input (for charging & data transfer (PC & Mac)) /
Connection Mode: MTP (Media Device)
PHONES (3.5 mm )/ Optical Out (3.5 mm) /
Balanced Out (2.5 mm, only 4-pole supported)
802.11 b/g/n (2.4GHz)
v4.0
2.16” (55mm)[W] x 4.64” (118mm)[H] x 0.58” (14.9mm)[D]
6.24 oz (177g)
Firmware upgrade supported (OTA)
±0.023 dB (Condition: 20 Hz - 20 kHz) Unbalanced & Balanced /
±0.3 dB (Condition: 10 Hz - 70k Hz) Unbalanced & Balanced
116 dB @ 1 kHz, Unbalanced / 117 dB @ 1 kHz, Balanced
130 dB @ 1 kHz, Unbalanced / 135 dB @ 1 kHz, Balanced
0.0007% @ 1 kHz, Unbalanced / 0.0005% @ 1 kHz, Balanced
0.0004% 800 Hz 10 kHz (4:1) Unbalanced/
0.0003% 800 Hz 10 kHz (4:1) Balanced
Balanced out 2.5mm (1ohm) / PHONES 3.5mm (2ohm)
50 ps (Typ)
128GB(NAND)
microSD (Max. 128 GB) x 1
3,250 mAh 3.7V Li-Polymer Battery
Windows XP, Windows 7,8 (32 & 64 bit)
Mac OS X 10.7
General Specifications
PRODUCT NAME
Model
Body Color
Body Material
Display
Supported Audio
Formats
Sampling rate
Output Level
DAC
Decoding
Input
Outputs
Wi-Fi
Bluetooth
Dimensions
Weight
Feature Enhancements
Audio Specifications
Frequency
Response
S/N
Crosstalk
THD+N
IMD SMPTE
Output impedance
Clock Jitter
Memory
Built-in Memory
External Memory
Battery
Capacity
Supported OS
Supported OS