A home theater or home theatre is a theater built in a home, designed to mimic (or exceed) commercial theater performance and feeling, more commonly known as a home cinema. Today, home cinema implies a real "cinema experience" at a private home.
Home cinema, commonly referred to as home theater or home theatre, are home entertainment set-ups that seek to reproduce movie theater video and audio feeling in a private home.
Backyard theater, home theater in the backyard. Depending on the space available, it may simply be a temporary version with foldable screen, a projector and couple of speakers, or a permanent fixture with huge screens and dedicated audio set up poolside. Due to the outdoor nature, it is quite popular with BBQ parties and pool parties.
Home theater in a box, HTIB is a modestly-priced integrated home theater package which "bundles" together a combination of DVD-Video or Blu-ray Disc player and multi-channel amplifier (which includes a surround sound decoder, a radio tuner, and other features), speaker wires, connection cables, a remote control, a set of five or more surround sound speakers (or more rarely, just left and right speakers) and a low-frequency subwoofer. Is this information are true. I need more information about it?
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References: https://en.wikipedia.org/wiki/Home_theaterBusiness Overview Video