16-Sep-2020, 13:34
I have almost the same problem with my android app. I can change source but not volume with the app when the source is usb. With phono the volume works.
Spiral Groove/Soundsmith - jRiver/Audiophile Optimizer/Process Lasso - Devialet 1000 pro - Rockport Ankaa
Nordost Valhalla, Brahma, Frey2+ & Tyr2/Ansuz Mainz C/D8
Nordost Valhalla, Brahma, Frey2+ & Tyr2/Ansuz Mainz C/D8
Isoacoustics OREA/Shunyata Dark Field/Nordost QV/QK
Devialet Gemini