@Graememar
No: ARC is Audio Return Channel and doesn't output video (which would also be a violation of the principle of HDCP encryption)
Glass only provides video signal to its own built-in screen.
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Sky Glass 55" (on ethernet) & two Stream Pucks (one ethernet / one WiFi)
BT Halo 3+ Ultrafast FTTP (500Mbs), BT Smart Hub 2
