home theater

/HH OW1 M TH IY0 AH0 T ER0/
noun
  1. 1

    A system for showing theater-quality films at home, usually comprising high-definition television and surround sound.

  2. 2

    (by extension) A dedicated room for such a system.

Synonyms

Source: https://en.wiktionary.org/wiki/home%20theater