> 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/bassbooster-di-yin-zeng-qiang-qi.md).

# BassBooster（低音增强器）

<figure><img src="https://3710990805-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FZRacsG2wvxpXwri0XH6G%2Fuploads%2FXW6gpJNVQfKuwlnKcIyC%2Fimage.png?alt=media&amp;token=3c6b4f68-91b6-4d9a-9dfa-edcb040a24c2" alt=""><figcaption><p>BassBooster</p></figcaption></figure>

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).

<figure><img src="https://3710990805-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FZRacsG2wvxpXwri0XH6G%2Fuploads%2Ftxg8hdnjirZrz4LKQ8V9%2Fimage.png?alt=media&amp;token=3adbbf0d-b996-4d58-a80e-28df8e20b801" alt=""><figcaption><p>均衡器中的低架滤波器示例</p></figcaption></figure>