And their predecessors can be upgraded to 2021 spec, too

Denon and Marantz have launched flagship AV receivers to sit at the top of their respective home cinema trees. The Denon AVC-X8500HA and Marantz AV8805A are kitted out with all the HDMI 2.1, 8K and 3D audio features one can imagine, and an upgrade path for owners of the previous models has been announced, too.

It was 2018 that saw the launch of the last top-of-the-range home cinema amps from both manufactures, the Denon AVC-X8500H and Marantz AV8805, so there are plenty of upgrades on the menu.
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