5.2.2 ATMOS Sound Systems: 85 inch Soundbar and Dual 15 inch subwoofers. Theory surround sound systems are available in 2.0 to 7.2 or 5.2.2 ATMOS using a single Loudspeaker Controller, or up to 48 total channels using current surround processing technology by deploying multiple loudspeaker controllers within a single system.