I am designing a new home with a 37ft x 20ft great room / dining / kitchen area. I would like to have music for casual listening, it never needs to be too loud and won’t need multiple zones in the space. I would like to add 1 Sonos amp along with a Sonos One in order to have a voice assistant. For ceiling speakers, would 4 be enough to run off the one amp or would 6 be necessary?