A:AnswerThe satellite speakers use a standard RCA connection to the wireless subwoofer. The subwoofer needs to be plugged to a wall socket for power, but communicates wirelessly with the main soundbar unit so you do not have to run any wire across your living room.
A:AnswerNo, it is the 2016 model. The 2018 model is currently sold out but will be restocked shortly. That is the one that will get the SSE firmware with Dolby Atmos and Dolby Vision.