A:AnswerIt depends if you have an entertainment center to put under it. I have always mounted mine about 36 to 40 inches off of the floor. You don't want to strain your neck while watching TV. It also depends on how far away your couch or chairs are.
A:AnswerWe have used on a Sharp, Vizio, LG and Hisense all size 50 or higher. We don’t have Insignia but i would say it’s universal. Our last one we just recently purchased was for one of our oldest TVs, a very heavy 52 in Sharp and mount work perfect. We love them
