Astell Kern AK380 ExDemo

Reproductor Astell Kern AK380. Reproductor portátil de referencia, 250GB de capacidad interna ampliable con tarjeta microSD de 128GB (se vende por separado). Doble DAC de AKM modelo AK4490, WIFI y Bluetooth integrados

General Specifications
Model AK380
Body Color Meteoric Titan
Body Material Aircraft Grade Duralumin
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 ~ 384kHz (8/16/24/32bits per Sample)/ DSD Native: 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 32bit / 384kHz 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 Ancho 79.8 x Alto 112.4 x Fondo 17.9 mm
Weight (230 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 source
Clock Jitter 30ps(Typ)
Reference Clock Jitter200 Femto Seconds

Battery
Capacity 3,400mAh 3.7V Li-Polymer Battery

Memory 
Built-in Memory 256GB [NAND]
External Memory microSD (Max 128GB) x1

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