Hello, I have an Pi 3+ with Raspbian OS and the DAC+ Pro. The output is too low with sinusodial sine wave e.g. 50/100/200Hz. At the scope measured at the XLR out I get 600mV.
Alsamixer is at 100%
Any suggestion how to get more volume out of the XLR.? Should be at max level arround 4Vrms, right.?