The home theater broadcasting system mainly consists of three parts: DVD player, AV amplifier and speaker system.

Audio and video player

DVD players are now the most popular and the basic configuration of the home theater system.

AV amplifier

AV power refers to a multichannel power amplifier with multiple inputs or decoding outputs of multiple channels, such as dolby ac-3 5.1 decoding and DTS decoding outputs.

Speaker system

The most basic configuration is 5.1 mode: 1 pair main speaker, 1 pair surround speaker, 1 medium speaker and 1 overweight low speaker. The high-end can be configured with 2 mid speakers in 7.1 mode.