home theater
noun /ˌhəʊm ˈθɪətə(r)/
  /ˌhəʊm ˈθiːətər/
 (North American English) (British English home cinema)
 [uncountable, countable]- television and video equipment designed to give a similar experience to being in a cinema, with high-quality pictures and sound and a large screenTopics TV, radio and newsb1, Film and theatreb1