A:AnswerNo, the base is fixed to the TV which gives it more stability. I have mine on a small TV turn table and it works great. This is the best TV that I have ever owned.
A:AnswerHello Bill, the product size of this unit without the stand is 36.1" x 21.1" x 2.5" and the product size with the stand is 36.1" x 23.5" x 11.3". ^Britt
A:AnswerI would say no sound bar is required. The sound is much improved over a TV purchased in November 2015. The sound is clearer and louder and I don't have any issues hearing even the softest conversation on a lower volume.
A:AnswerHello BillyBoy, I have attached a link below to the specifications of this unit, you will find all available Inputs/Outputs here.
https://www.samsung.com/us/televisions-home-theater/tvs/uhd-tvs/40-class-mu6290-4k-uhd-tv-un40mu6290fxza/?redir=UN40MU6290FXZA#specs
^Britt
