Multiroom, is it easy to change the transceiver device ... And does HifiBerry card is supported

Hi everyone, before subscribing MyVolumio Premium, I would like to know and be sure that what I would like to do is possible.

I will build and synchronize 3 PI 3B+ with HifiBerry card:

  • PI1 = In the Salon, with the Hifiberry DAC2 Pro (I still use it to listen to my NAS music files. It is connected to my analog HiFi amplifier)

  • PI2 = in the Kitchen, with the Hifiberry Amp (I still use it alone, as I don’t still subscribe to MyVolumio Premium)

  • PI3 = in the Salon, with the Hifiberry DAC2 ADC Pro (I will use it to connect as input a TV audio analogic)

Questions:

  • Does HifiBerry DAC2 ADC Pro is supported with VolumIO?

  • Is it easy to change the transceiver device to use. What I mean is at a moment, I listen to the PI1 on all devices, later I listen to PI3 on all the devices and the evening I select again the PI1 to use with all devices.

  • The last question is how to transmit the Sonos Amp (gen1) sound through VolumIO? Is it possible? I would like to keep also the RCA connection from my Sonos Amp to my analog HiFi amplifier.

In advance thank you for your answers and suggestion.

Have a good day.