---
name: "al_set_mixer_gain"
section: "3"
platform: "linux"
package: "allegro"
version: "5.2.11.3-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/al_set_mixer_gain"
---

# al\_set\_mixer\_gain(3)

Allegro 5 API

## NAME

al\_set\_mixer\_gain - Allegro 5 API

## SYNOPSIS

-

  ```
  #include <allegro5/allegro_audio.h>
  bool al_set_mixer_gain(ALLEGRO_MIXER *mixer, float new_gain)
  ```

## DESCRIPTION

Set the mixer gain (amplification factor).

Returns true on success, false on failure.

## SINCE

5\.0.6, 5.1.0

## SEE ALSO

[al\_get\_mixer\_gain(3)](/al_get_mixer_gain/3.md)