A:AnswerThe Sound Bar section of these bars are very similar. They'll both offer fantastic room filling audio, and overhead speakers projection to experience Atmost Audio. The main difference is that the SB36512 comes with rear speakers for more immersive 'Surround Sound'.
A:AnswerThe optical input will supply up to a 5.1 audio signal to the sound bar however it would not be capable of providing Atmos audio to the sound bar.
A:AnswerIt will not because there is not a built in Google Assistant, but it will work if you pair it to your Google Assistant as part of a speaker group.
A:AnswerAs long as the devices the sound bar is connecting to can use HDMI (or HDMI-ARC) and can send Atmos- you should be fine. We’d recommend contacting your TV manufacturer to make sure it supports Atmos.
A:AnswerI am on the phone now with Vizio and they are telling me this model does not support 4K passthrough. I have been trying for a week and I got my answer as i can't with any of my UHD equipment get a UHD/4k picture