> 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/effects/crossover-equalizer.md).

# Crossover Equalizer

![Crossover Equalizer](/files/-LuiSW7_09PYSqyIbYeF)

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").