Ak 380 copper + Ak 380 Amp copper with new Firmware 1.25 
so far sounds excellent pair with Meze 99 classic.





Meze Classic 99 headphones


























https://youtu.be/nTVSFvtwhn8

Find it on their indiegogo page

https://www.indiegogo.com/projects/seiun-players-hi-res-audio-meets-4k-video#/comments