I have a BenQ RL2755HM gaming monitor with a PS4 Pro to Elgato HD60 via HDMI to one HDMI port on the monitor. The 2nd HDMI port on the monitor I have a Roku Premier (2018) routed to the 2nd HDMI port on the monitor and both devices work fine however I decided to add a Sony HK-N400 sound bar to...