My two pennies worth .....
if you already have or are thinking about getting a separate sound system then air will do. If not glass has serviceable built in sound for most rooms . I went from 43 to 55 glass and after a day of getting used to the size difference I would now never go back !
if your router is in the same room as the tv then I would try WiFi to begin. The system is built for wifi and if you have a good speed and a solid signal you ll get no problems at all and no cables.
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43inch Gen 1 and 55 inch Gen 2 Sky Glass & sky live camera 3 Pucks. Virgin media M500 on hub 5x. Four sky mobile sims.
