I currently use LeEco max2 (x820) on DerpFest Rom and mqa works great.
https://www.extreamsd.com/index.php/hires-audio-driver
https://www.extreamsd.com/index.php/hires-audio-driver
Audio player Pro+Lenovo k3 note+S.M.S.L M2+Phillips Fidelio L2
Audio player Pro+Lex820+Musical Fidelity MF200B
Audio player Pro+Lex820+Musical Fidelity MF200B