Astell&Kern - AK100 II

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Astell & Kern, the South Korean audio brand, offers high-end DAC's and Audio Players. Never ceasing to surprise, it continues to bring to us the most luxurious and highly innovative audio gear.

A replacement to the AK100, the Astell & Kern  AK100 II Portable High Definition Music Player and DAC is a pocket-sized audio system capable of studio Mastering Quality Sound (MQS) support and playback. The AK100 II also supports 5.6 MHz DSD playback by converting/downsampling to 176 kHz PCM.

The AK100 II has an integrated Cirrus Logic CS4398 DAC for exemplary sound quality and detail. It can also be used as an external DAC with your Mac or PC via USB. This hi-res player features 64GB of inbuilt memory and a microSD card slot that supports up to 128GB. Thus, the storage is a grand total of 192GB, enabling to store up the best of your music and carry it everywhere you go.

The construction is solid and it is made of a hairline and diamond cut finish for the aluminum body.The 3.3"  AMOLED touchscreen provides an easy to use interface while the sleek aluminum body and volume wheel are smooth and robust.

The AK100 II comes with a set of screen protectors and a micro-USB cable.

  • Supports DSD to PCM

    The Astell&Kern AK100 II supports DSD, the digital audio format widely considered to be the next-generation in high resolution audio. The 5.6 MHz DSD is supported via 'DSD to PCM' by utilizing a Dual Core CPU and converting/downsampling to 176 kHz PCM.

    Supports Master Quality Sound 

    The AK100 II is capable of supporting Master Quality Sound. MQS is a high definition digital music format operating at 24 bits and sample rates from 96 to 192 kHz, which leads to distortion-free sound without data loss. MQS sources are generally saved as a lossless 24-bit WAV or FLAC files during record production at the time of the mastering source.

    USB DAC 

    The AK100 II has an integrated Cirrus Logic CS4398 DAC that allows the player to provide high definition sonic quality and detail, and can be used as an external DAC for PC or Mac via USB. The USB DAC feature also supports UAC 1.0 (USB Audio Class 1.0 / 24-bit, 96 kHz) audio output. 

    Full AMOLED Touch Screen

    The 3.3" AMOLED touchscreen (an 82% increase over the previous screen's size) provides smartphone-like full touch capabilities with a responsive interface and a larger screen for more information. The Album View screen has been completely overhauled. The larger screen offers a view of six albums compared to its predecessor's four. In addition to the music in the internal storage, music on the MQS Server can be searched during MQS Streaming.

    High Band EQ

    The AK 100 II provides extended frequency control with a 10 band graphic EQ in .5 dB increments. Along with this, multiple user EQs are supported so that users may create custom EQs to fit each music genre and change them whenever they want to.

    64GB In-Built + 128GB Expandable Memory

    The AK100 2nd Generation features 64GB of inbuilt memory while supporting microSD cards of up to 128 GB. The AK 100 II therefore has a total storage capacity of 128 GB! This inbuilt capacity itself is capable of storing approximately 625 or more MQS audio files.

    Supports Multiple File Formats

    The Astell&Kern AK100 II is capable of seamlessly supporting a vast collection of music files across all formats be it, DXD, DSD 64/128, PCM @384kHz/64bit, FLAC, ALAC, WAV, or APE.

    Single DAC & Balanced Out

    Although the depth in sound quality delivered by Balanced Out was proven in Astell&Kern's flagship model, they wondered if the same quality could be achieved by implementing the Balanced Out with a Single DAC. The newly designed demo board delivers everything they ever wanted. The AK100 2nd Generation provides a rich, warm sound through the re-tuned A-amp designed especially for the CS4398 Single DAC.

    Network Playback

    With the AK100II, it's no longer required to turn on your PC, search for music, connect a device, and transfer files. Just connect the AK100 2nd Generation to your PC or Mac via Wi-Fi on the same network and download or stream music wirelessly. Plus, as long as you are connected to Wi-Fi, Astell&Kern will notify you of firmware updates as soon as they launch from wherever you are. AK 100II users receive firmware updates immediately.

    Supports Bluetooth 4.0 & Wi-Fi for Wireless Convenience

    The AK100 II lets you stream your music to your wireless headphones, hi-fi systems or car stereos easily with the help of its Bluetooth 4.0 codec. You can also access or download your music from your PC via Wi-Fi.

    Redesigned Volume Wheel & Guard

    The AK100 II’s volume wheel consists of two parts: the head and the root. The head is the knurled part that controls the volume wheel by holding it securely. The root is the base of the volume wheel and wrapped in a guard that’s directly connected to the hardware. This division into two parts enhances the usability and stability of the AK100 2nd Generation, while the robust components also provide further protection from external damage. 

    Twin Protection Layers on Aluminium Body

    The AK100 2nd Generation’s aluminum body and protector appear like overlapping layers. For the first layer, a luxurious hairline and diamond cut finish is utilized for the aluminum body. These two finishing processes add weight to the material while the second layer acts as the protector. The three delicate lines that are carved into the protector are reminiscent of string instruments, and symbolize the delicacy of sound that Astell&Kern provides. 

    Up To 12 Hours of Battery Life

    The AK100 II packs a lot of power! Its built in 3150mAh capacity Lithium-polymer rechargeable battery allows for a phenomenal 12 hours of play time.

    What's in the box:

    • Astell&Kern AK100 II Portable Digital Music and Media Player
    • Micro USB Cable
    • Carrying Case

  • 20Hz - 20000Hz;  ±0.025 dB
    10Hz - 70000Hz;  ±0.6 dB
    Output: 2-2.5 Ohms

    3.5mm Jack

    Dimensions -  5.5 x 11.1 x 1.5  cm
    Weight - 169.8 g
    Power - USB Micro B Input
    Battery display - Yes
    Battery Capacity - 3150 mAH
    Battery Life - <12 Hours


    One Year

    Manufacturer's Warranty covers only manufacturing defects. For more details, check our Warranty Page. To claim warranty, please maintain a copy of your invoice and Contact Headphone Zone Care (authorised service center) at or +91 750 664 6988.

  • "I actually find the least expensive model to be the most palatable for long-term listening. No, it isn't as impressive on first listen. It doesn't have the transient snap of its more ambitious siblings."
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    "Overall, while not cheap by any means, I think the AK100 II offers outstanding value as it rivals some of the better and more costly desktop rigs."
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