> 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/bassbooster.md).

# BassBooster

![BassBooster](/files/-LuiSGs3D2tVJ4Gr_cxK)

A simple bass-booster plugin. Essentially functions as a low-shelf filter.

* **FREQ:** adjusts Cutoff Frequency.
* **GAIN:** adjusts overall gain.
* **RATIO:** adjusts amplitude ratio of affected (BassBoosted) to unaffected frequencies, from a range of .1 (1:10) to 10 (10:1).

![An example of a low-shelf filter using Equalizer.](/files/-MPAZnp4G0Jj98OH5Mm3)