1) LG V20, model number vs995
2) Android Version. 7.0
3) Your description on the google play store states that there is High Res support for the LG V10 and im positive the V20 is as well. Here is a link that you requested. http://www.androidauthority.com/lg-v20-quad-dac-explained-713587/
Thanks in advance for the help. Poweramp is a really impressive application.