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The blue AK100II Portable High Definition Sound System from Astell & Kern is a pocket-sized audio system capable of studio Mastering Quality Sound (MQS) support and playback. MQS is a high definition digital music format operating at 24 bits and sample rates from 96 to 192 kHz, which translates to distortion-free sound without data loss. MQS sources are commonly saved as a lossless 24-bit WAV or FLAC files during record production at the time of the mastering source. The AK100II also supports 5.6 MHz DSD playback by converting/downsampling to 176 kHz PCM.
The AK100II has an integrated single-channel Cirrus Logic CS4398 DAC and balanced output to provide exceptional sonic quality and detail. It can also be used as an external DAC when connected to a Mac or PC via USB. The player features 64GB of internal flash memory and a microSD card slot that supports up to 128GB from a separately sold card. This allows you to store a maximum of 192GB of high definition lossless music.
The 3.3" AMOLED touchscreen provides smartphone-style control over playback, while the brushed aluminum body and volume wheel provide a smooth analog feel. The built-in battery recharges via USB and lasts for up to 12 hours of playback. The AK110II ships with a protective case and micro-USB cable.
Integrated Cirrus Logic CS4398 DAC allows the player to provide high definition quality and detail, and can be used as an external DAC for PC or Mac. Additional DAC support for CD player or other digital device via optical DAC
Wirelessly download and stream music from your Mac or PC via a Wi-Fi network. Firmware updates are available immediately from your wireless network. Astell & Kern MQS Streaming Server software must be installed on your PC or Mac with a shared folder saved for MSQ Streaming to work
Save high definition lossless music to the 64GB internal flash memory. The player also has a MicroSD card slot supporting 128GB for expanded storage space
Built-in Rechargeable Battery
The built-in rechargeable lithium-polymer battery has a capacity of 3,150mAh and can be recharged via USB. Listen continuously for up to 12 hours on a charge
High Output Impedance
Headphone Output: up to 2Ω
Balanced Output: 1Ω
10 Band EQ
Extended frequency control with a 10 band graphic EQ in .5 dB increments. In addition, multiple user EQs are supported so that users may create custom EQs to fit each music genre and change them whenever desired.
Full Touch Screen
Smartphone-style controls of the AK100II with a large 3.3" WVGA AMOLED touch screen
Aluminum hairline and diamond cut finish. The knurled volume knob is wrapped in a guard for secure protection
In the Box
Astell&Kern AK100II Portable High Definition Sound System (Blue)