Home cinema refers to the simulation of a relatively audio-visual projection location in the home. Generally, the audio-visual equipment in a home is usually an integrated television, and all image images come from the television. Home cinema is a set of audio-visual output modules composed of multiple specialized devices. In summary, home theater can be understood by integrating two concepts, namely "Home Theater Standards" and "Playback Systems for Playing Movies in Home Environments"

家庭影院中环绕音箱指在环绕声中，除了听众前方“左-中-右”三声道外，其它的声道一般都被叫做环绕声道，但是在家庭影院7.1以上声道环绕声中，左中和右中声道不被称为环绕声道。主音箱一般是单个且体积较大，环绕音响有两个以上，一般主音箱用于主声场的还原，如电影中人物声音从主音箱发声，而环境音则又环绕音箱负责。主音箱一般放在前方，环绕音箱放在后方或左右两侧。

Surround speakers in home cinemas refer to the sound channels in surround sound, except for the "left center right" three channels in front of the audience, which are generally referred to as surround channels. However, in home cinemas with 7.1 or higher surround sound channels, the left center right middle channels are not referred to as surround channels. The main speaker is usually a single and relatively large volume, with two or more surround speakers. Generally, the main speaker is used for restoring the main sound field, such as in movies where the sound of characters is emitted from the main speaker, while the ambient sound is also handled by the surround speaker. The main speaker is generally placed at the front, while the surround speaker is placed at the rear or on both sides.

01家庭影院KTV音响的选购技巧

Tips for purchasing KTV sound systems in 01 home theaters

家庭影院环绕音箱与主音箱区别有以下几点：

There are several differences between home theater surround speakers and main speakers:

1、一般主箱体比较大，如果是一样大小的箱子，环绕有可能是双向的。如果完全一样，那就不用区分了。都可以做前置，或环绕音箱。好多家庭影院5.1音箱都是完全一样的5个音箱，没有前置音箱和环绕音箱的区别。不过，在环绕音箱系统中需要准备一个低音炮。

1. Generally, the main box is relatively large, and if it is of the same size, the surrounding area may be bidirectional. If it's exactly the same, then there's no need to distinguish. Both can be used as front speakers or surround speakers. Many home theater 5.1 speakers have exactly the same 5 speakers, without the difference between front speakers and surround speakers. However, a subwoofer needs to be prepared in the surround speaker system.

2、在外形来看调换一下是可以的，不过在硬件设计和调音走向方面，主音箱和环绕音箱还是有不少区别的，如果进行了调换会对环绕效果产生影响;

2. It is possible to switch the appearance, but there are still many differences between the main speaker and the surround speaker in terms of hardware design and tuning direction. If a switch is made, it will have an impact on the surround effect;

3、在音箱的功率方面，显然是主音箱的功率更高，而环绕声音箱，低音频率都在70赫兹以上，低音不是很好，而且环绕声音箱的功率都在100W以下，因为环绕声，是多声道，功放功率都不大;

3. In terms of speaker power, it is obvious that the power of the main speaker is higher, while the bass frequency of surround sound speakers is above 70 Hz, and the bass is not very good. Moreover, the power of surround sound speakers is below 100W, because surround sound is multi-channel and the power amplifier power is not high;

4、应用场景不同：一般主音箱用于主声场的还原，如电影中人物声音从主音箱发声，而环境音则由环绕音箱负责。

4. Different application scenarios: Generally, the main speaker is used for restoring the main sound field. For example, in movies, the sound of characters is emitted from the main speaker, while the ambient sound is handled by the surround speaker.

5、摆放位置不同：主音箱一般放在前方，环绕音箱放在后方或左右两侧。

5. Different placement positions: The main speaker is generally placed in the front, while the surround speaker is placed in the rear or on both sides.

6、形体区别：主音箱体积较大，一般是两个大小相同的箱体，而环绕音箱有两个以上的箱体，箱体的大小有相同也有不同的组合。好多家庭影院5.1音箱都是完全一样的5个音箱，没有前置音箱和环绕音箱的区别，不过，在环绕音箱系统中需要准备一个低音炮。

6. Shape difference: The main speaker has a larger volume, usually consisting of two boxes of the same size, while there are more than two boxes surrounding the speaker. The size of the boxes can be the same or different combinations. Many home theater 5.1 speakers have exactly the same 5 speakers, without the difference between front speakers and surround speakers. However, a subwoofer is required in the surround speaker system.

7、不能调换：在外形来看调换一下是可以的，不过在硬件设计和调音走向方面，主音箱和环绕音箱还是有不少区别的，如果进行了调换会对环绕效果产生影响。

7. Cannot be swapped: It is possible to switch the appearance, but there are still many differences between the main speaker and the surround speaker in terms of hardware design and tuning direction. If swapped, it will have an impact on the surround effect.

8、功率不同：在音箱的功率方面，显然是主音箱的功率更高，而环绕声音箱，低音频率都在70赫兹左右，因此环绕声音箱的功率都在100W以下，因为环绕声是多声道，功放功率都不大。

8. Power difference: In terms of speaker power, it is obvious that the main speaker has a higher power, while the bass frequency of surround sound speakers is around 70 Hz. Therefore, the power of surround sound speakers is below 100W, because surround sound is multi-channel and the power amplifier power is not high.