Astell&Kern always brings the world's best DAPs to the table with its years of experience. The AK Jr is another very affordable stunner. The Astell&Kern AK Jr Portable High Definition Music Player and DAC is a pocket-sized audio system capable of studio Mastering Quality Sound (MQS) support and playback. The AK Jr also supports 2.8 MHz DSD64 playback by converting to PCM. .
The AK Jr can also function as an external DAC (sound card) when connected to a PC or Mac via USB. When playing music stored on a computer, the AK Jr delivers the same high level of audio quality while eliminating the need for a built-in sound card. - The AK Jr's EQ settings are disabled when used as a USB DAC. The USB DAC feature also supports UAC 1.0 (USB Audio Class 1.0 / 24-bit, 96 kHz) audio output.
The AK70 supports real time playback in Master Quality Sound (MQS) from any location where network is available, allowing users to enjoy high-quality music from GroovThe AK Jr supports DSD, the digital audio format widely considered to be the next-generation in high resolution audio. Listen to a greater range of audio through DSD. - The AK Jr converts 2.8 MHz DSD files to PCM.
The AK Jr is one of the best looking hi-res players available today and is a beautifully crafted piece of hardware that'll give most portable high res players a run for their money. The Jr is made predominantly from anodised aluminium and has a machined industrial look that's all straight lines and no curves.
The Ak Jr looks gorgeous. It is well built and compact. I paired it with my V-moda M100s, loaded some flacs and wow! What an experience! There is zero noise and the sound is crystal clear with rich bass and a massive soundstage.
The only downside is that the interface is slightly sluggish and less responsive. That being said, it is still perfectly useable and can be forgiven considering how amazing the audio performance is.