My roommates are kinda being selfish

MV

I’m currently moving back into by dorm from break and I share it with 3 other people. When we first met I told them I wanted to keep my tv in my room because I play on my ps4 a lot. They said they had a tv too but said I couldn’t put mine in my room because it was bigger than theirs and they wanted it in the shared living room. I don’t know how to tell them that I want to move my tv in my room