I really considered that approach.. using a port for each zone or speaker set. The only downside is cost if you have a lot of speakers or zones. I did 38 spea

I really considered that approach.. using a port for each zone or speaker set. The only downside is cost if you have a lot of speakers or zones. I did 38 speakers, so if I did 19 ports that would be $8500, and take up a lot of room. I do like a lot of things about the Sonos software.