I'm using zenfone 5(ze620kl). Sound coming from Poweramp became distorted, at first I thought my earphones were broken, then I tried using other music app and watching videos on youtube, my earphones are working fine. I also tried using other earphones and they also sound fine except when I use Poweramp. I did not change anything in audio settings and eq. Also, hi res output sounds muffled since I updated my phone to pie, so I was using opesl es output but now opensl es is distorted.