# Dual Filter

![Dual Filter](/files/-LuiSocDEVeW5IO8kyEI)

A plugin featuring 2 filters processed in parallel.

## Filter Parameters

* **FREQ:** adjusts cutoff/center frequency.
* **RESO:** adjusts resonance/bandwidth of the selected filter.
* **GAIN:** adjusts output gain of the selected filter.
* **Dropdown Menu:** allows for the selection of a filter from a list.

## Other

* **MIX:** adjusts final output bias to favor one filter over the other.

  With a value of:

  * **-1**, Filter 2 is muted and Filter 1 is the sole output.
  * **0**, Filter 2 and 1's outputs are mixed at 50/50.
  * **1**, Filter 1 is muted and Filter 2 is the sole output.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.lmms.io/user-manual/effects/dual-filter.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.