I2S 2:1 switching module

Is this correct:
You are using Amanero?
You have DSD_ON connected between the USB board and the DSD Converter?
You have MUTE connected between the USB board and the DSD Converter?
All the I2S wiring from the USB board to the DSD Converter board is very, very short length?
All the I2S signals from the USB board to the DSD Converter board is a dedicated ground just for that signal?