# Effects Prologue

There are 2 types of plugins bundled with LMMS, LMMS plugins and [LADSPA Plugins](/user-manual/en/effects/ladspa.md).\
LMMS plugins are described in the following pages, while LADSPA plugins get their own reference page.

The menu below can be accessed via the Add Effect button in an Effects Rack (found in the effects tab of instrument windows and the right hand side of the mixer window).

![Add effect](/files/-LuiUvLEx4f2CZn850bG)

Double-click to select an effect. You can enter keywords using the text box at the top.

{% hint style="info" %}
Keyboarders can use Tab, Up/Down arrow keys, and Enter to select plugins, after typing in keywords.
{% endhint %}


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