The DTR-40.6 7.2 channel multizone network A/V receiver, with its 7 channel amplifier, allows you to create either a 7.2 surround system, a 5.2.2 Dolby Atmos system, or a 5.2 surround system with an independent powered zone2 (Audio and Video). There are also 7.2 channel preamp outputs for use with a separate amplifier.