> 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/amplifier-fang-da-qi.md).

# Amplifier（放大器）

<figure><img src="https://3710990805-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FZRacsG2wvxpXwri0XH6G%2Fuploads%2F6is5g7ePu0v2NiK9LyUF%2Fimage.png?alt=media&amp;token=26462c1e-717b-4583-aa32-157486b78b85" alt=""><figcaption><p>Amplifier</p></figcaption></figure>

A simple amplifier that adjusts volume or panning of the audio without any other change.

## Knobs

* **VOL:** adjusts gain of the amplifier.
* **PAN:** adjusts panning of the amplifier.
* **LEFT:** controls left channel gain of the amplifier.
* **RIGHT:** controls right channel gain of the amplifier.