The home theater portion of my 8,000 cu ft room is about 16ft wide by 30ft deep, and I only have 1 150 that works great for all seats in The Plex.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85