Hi. I just recently purchased a vizio 5.1.2 sound bar. I have three questions. 1. I live in a single room 10x10 do you think this is overkill? 2. How should i set it up? As far as where the bar should go(no wall mount just a 3 shelf stand) , subwoofer,and two side speakers should go. And as far as the side speakers go they should be ear level correct? 3. I own a ps4 non pro,a xbox one x and my cable box[also a vizio p55f1 tv). Port one is arc so i know the sb will go in there but a video i saw today showed the xbox being plugged into the hdmi in on the sb? Is this correct and what would the outcome be if i didnt connect it this way?