hardware: a player supporting multi-channel surround sound format (CD player, DVD player, hard disk player, computer, etc., as long as it is supported); The corresponding signal connection line; One multi-channel power amplifier, or several dual-channel power amplifiers or mono power amplifiers corresponding to the number of channels; There are several sound boxes corresponding to the number of channels, and the correct position is placed and the circuit is connected. This is the mainstream configuration. Some multifunctional players have their own decoding and power amplifier directly connected to the speaker. Computer players usually have a host and a set of active multimedia speakers, which can be connected together. Software: recorded discs with multi-channel sound source information or any sound source, movies, games, etc. with surround sound logo. After the hardware and software are qualified, you need to make relevant settings to play correctly. See the instructions for details. It should be pointed out that in terms of hardware, the system needs a surround sound decoder, the position is not fixed, some players have their own decoding, some power amplifiers have decoding function, and some games use independent decoders, depending on the actual configuration of your system.