Not in the same “room” but the feature called grouping lets you play the same music, synchronised, to multiple rooms/speakers. 

Sonos makes it harder, due to their use of the term ‘room’, when they mean (to my mind) ‘zone’. There is no reason why you can’t put as many Sonos ‘rooms’ in the same physical room, and sync them, as ​@nik9669a states. In fact, I do, given my open plan kitchen and living room.

I’d get in to esoteric arguments about stereo signals, conflicts of placement, and ‘perfect’ listening nodes, but it can be done.