That’s what the sonos is for in this setup. If we eliminated it, I’d probably just put a VM with similar software on it on the linux box and give it access to

That’s what the sonos is for in this setup. If we eliminated it, I’d probably just put a VM with similar software on it on the linux box and give it access to linux’s line out. (A raspberry pi would work, but might need a better dac and it takes more cabinet space than a vm on an existing machine.)