Home theater audio is configured specifically for playing movie. The sound and style should be close to the cinema style. This is different from the home Karaoke system and CD music system, home theater audio configuration is higher.  Karaoke system and CD music system with 2.0 can be achieved. But for home theater system, it involved many things, such as amplifiers, speakers, speaker layout, sound field processing and environment and so on,every details will affect the sound quality.