Room for a second subwoofer — This receiver has 4 independent subwoofer outputs and the build has one sub. A second subwoofer on its own output — each dialed in with its own distance and level — evens out bass across every seat far more than a single sub of any size. A common, high-value next upgrade.

Getting 4K120 gaming through this chain — A 4K/120 chain needs an Ultra High Speed (48 Gbps) certified HDMI cable; over a short run (under ~10 ft) any certified Ultra High Speed cable carries the full 48 Gbps.