The other great thing about your set up is you can add a $15 Alibaba Bluetooth adapter and you can integrate with any audio client. Rather that using the sonos

The other great thing about your set up is you can add a $15 Alibaba Bluetooth adapter and you can integrate with any audio client. Rather that using the sonos client to control which room something plays in, you can have different bluetooth devices connected to different amps and you select which audio device you want your client to output to. Personally I think this more convenient and easier to use that proprietary end to end systems