The Onkyo TX-RZ830 is a 9.2 channel AV receiver that supports Dolby Atmos and DTS:X for immersive surround sound. It has a power output of 120 watts per channel (8 ohms, 20 Hz - 20 kHz, 0.08% THD, 2 channels driven) and features support for 4K Ultra HD, HDR10, HLG, Dolby Vision, and BT.2020 pass-thr...