RyanDay7.2 is a generic term. This receiver is Atmos and DTS-X enabled. 7.2 means I has 7 channels (powered) & 2 sub pre-outs. For this it's receiver 7.2 = 5.2.2 in Dolby numbering format. x.x.2 mean means 2 channels either height, ceiling, or Atmos Enabled up firing speakers.