Atmos 4 or 2 speakers

Hi All, cinema room nearing completion size is 6 meters x 4.6 meters 2.4 ceiling can anyone who IS using dolby atmos in either 2 or 4 ceiling speaker arrangement provide some feedback whether the 4 is required in my room size.

Thanks

Speak to Savi Systems for an advise. They are very professional. Browse and you will be able to find details.