Denon and Marantz introduce 8K HDMI 2.1 upgrade for AV receivers | What Hi-Fi?
Denon updates its full line of 8K AV receivers | Digital Trends
Denon AVR-X8500H 13.2CH IMAX Enhanced AV Receiver Review | Audioholics
Denon AVR-X4800H (125W X 9) 9.4-Ch. with HEOS and Dolby Atmos 8K Ultra HD HDR Compatible AV Home Theater Receiver with Alexa Black AVR-X4800H - Best Buy
Denon announces first HDMI 2.1 receivers for 8K60, 4K120 pass-through - FlatpanelsHD