HIBY R6 - DAP Dual DAC Balanced Out Follow this Link for Procedure to Update Your R6 to Android Oreo 8.1: https://www.head-fi.org/goto/post?id=14703786#post-14703786 See reviews here: https://headfonics.com/2017/12/hiby-music-r6-review/ And here: [/SIZE] Here you see a 1kHz...