A:AnswerIf you are using your existing wall mount the brackets mount in the same holes. Most wall mounts have universal mounting gear holes on your to, also if your mounting a larger tv you can adjust the mounts to the same dimensions hiethbwise as the mounts are adjustable from top to bottom
A:AnswerYes to an extent. There are more detailed settings if you use the soundbars menu itself but the TV will allow you to control volume and a few standard sound settings with the TV remote if that's what you mean. They pair very well
A:AnswerThe stand probably not fit. My table was almost 5 feet and the stands didn’t even touch the sides of the table when I sat it on top. They are near the ends of the 70” so I ended up wall mounting.