Astell&Kern AK100 II Portable Hi-Fi Sound System

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Product Description


Founded in 1999, Iriver has been globally recognized as an A/V powerhouse. The world's leading publications have honored Iriver's product line with prestigious awards, including: BusinessWeek Best Product Award; CES Innovations Award; CNET "Best MP3 Player"; and dozens more.

The Astell&Kern audio systems are among the most notable devices made by Iriver, toted as the ultimate portable high-fidelity audio systems capable of playing Mastering Quality Sound (MQS). All Astell&Kern audio systems natively support 24-bit/44-192kHz audio, getting you even closer to the sound that the recording artist intended. MQS delivers about 6.5 times more detail than a conventional CD, offering listeners a more realistic music experience.

Improved from the first AK100, the Astell&Kern team focused on making the AK100 II 'feel' right to our senses, rather than simply boasting specifications that may not translate well when listening. The AK100 II features a re-tuned A-amp designed specifically for the CS4398 Single DAC, giving the system rich, warm sound delivery. The option for balanced output also reduces outside radio frequency interference while increasing the strength of your audio signal.

If the sound card on your PC or Mac doesn't quite cut it, the AK100 II includes the USB DAC feature, allowing you to enjoy a richer resolution in sound from your computer. The AK100 II also supports DSD to PCM conversion, up to 5.6MHz, allowing you to play an even greater range of lossless audio files.

Hands-on by GEDDEM


Additional Information

Additional Information

Product Specification
  • Body Material: Aluminum
  • 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 : DSD64 (1bit 2.8MHz), Stereo / DSD128 (1bit 5.6MHz), Stereo
  • Output Level: Unbalance 2.0Vrms / Balance 1.7Vrms (Condition No Load)
  • DAC: Cirrus Logic CS4398 x1 (Single 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: V 4.0
  • Dimensions: 2.16 �(55 mm) [W] x 4.37 �(111 mm) [H] x 0.58 �(14.9 mm) [D]
  • Weight: 5.99 oz (170 g)
  • Feature Enhancements: Firmware upgrades supported (OTA)
  • Highlights
  • Built in Single DAC with USB DAC capabilities
  • Supports DSD format up to 5.6 MHz
  • 64GB of internal storage + MQS Streaming over WiFi
  • Related Video



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