> For the complete documentation index, see [llms.txt](https://docs.lmms.io/user-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.lmms.io/user-manual/jian-ti-zhong-wen/xiao-guo-qi-cha-jian/crossover-equalizer-fen-pin-jun-heng-qi.md).

# Crossover Equalizer（分频均衡器）

<figure><img src="https://3710990805-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FZRacsG2wvxpXwri0XH6G%2Fuploads%2FcJmOZ4xvUXmm8Bpgksw8%2Fimage.png?alt=media&amp;token=33024f53-bdc1-4f9a-a6a5-3b467ce3be6a" alt=""><figcaption><p>Crossover Equalizer</p></figcaption></figure>

A basic multiband volume control that uses [crossover filters](https://en.wikipedia.org/wiki/Audio_crossover#Overview) to split the input into 4 bands.

* **Sliders:** adjusts gain of each band. The buttons below these sliders can be used to mute the bands.
* **Knobs:** adjusts crossover frequency between respective bands (think "cutoff frequency").