Theater-reference Dolby Atmos or DTS:X sound through up to 7.2. 4 channels complements 8K HDR video passthrough. Connect 5.2.4-channel speakers and Zone 2 speakers and switch between 5.2.4-ch and 5.2.2-ch + Zone 2 playback, or use 5 GHz / 2.4 GHz Wi-Fi and your voice to control music all around your home .Theatre-reference Dolby Atmos or DTS:X sound across up to 7.2.4 channels complements 8K HDR video pass-through. Connect 5.2.4ch speakers and zone 2 speakers and switch between 5.2.4ch and 5.2.2ch + zone 2 playback, or use 5GHz / 2.4GHz Wi-Fi and your voice to control the music throughout your home..PZA MORE SPECS