Iriver Astell & Kern AK240 MQS Flagship Portable High-Resolution HiFi Music Player

SKU: FN158
Price: US$ 2388.98
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  • Full touch screen
  • Providng Wi-Fi capability
  • Support native DSD USB DAC function
  • More Detailed 10-Band 0.5dB step EQ setting

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Model: AK240
Body Color: Gun Metal
Body Material: Aircraft Grade Duralumin
Display: 3.31inch 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 : 8kHz ~ 192kHz (8/16/24bits per Sample)
/ DSD Native : DSD64 (1bit 2.8MHz), Stereo / DSD128 (1bit 5.6MHz), Stereo

Output Level: Unbalance 2.1Vrms / Balance 2.3Vrms (Condition No Load)
DAC: Cirrus Logic CS4398 x2 (Dual DAC)
Decoding: Support up to 24bit/192kHz Bit to Bit Decoding, DSD64/128
Input: USB Micro-B input (for charging & data transfer (PC & MAC))
/ Connection Mode : MTP (Media Device)
Output: 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

Dimensions: 66(W) x 107(H) x 17.5(D) (mm)
Weight: 185g

Feature Enhancements: Firmware upgrades supported(OTA)
Audio Performance

Audio Performance:
Frequency Response: ±0.023dB (Condition: 20Hz~20kHz) Unbalance & Balance
/ ±0.3dB (Condition: 10Hz~70kHz) Unbalance & Balance
Signal to Noise Ratio: 116dB @ 1kHz, Unbalance / 117dB @ 1kHz, Balance
Crosstalk: 130dB @ 1kHz, Unbalance / 135dB @ 1kHz, Balance
THD+N: 0.0007% @ 1kHz, Unbalance / 0.0005% @ 1kHz, Balance
IMD SMPTE: 0.0004% 800Hz 10kHz(4:1) Unbalance / 0.0003% 800Hz 10kHz(4:1)

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

Clock source
Clock Jitter: 50ps (Typ)

Capacity: 3,250mAh 3.7V Li-Polymer Battery

Built-in Memory: 256GB
External Memory: microSD (Max 128GB) x1

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

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