# Audio Equalizer

Apply a multi-band equalizer (EQ)

> Canonical page: https://elysiatools.com/en/tools/audio-equalizer

- **Category:** Media

- **Keywords:** audio, eq, equalizer, frequency, tone

## Overview

Adjusts multiple frequency bands with individual gain controls for tonal balancing (bass, mids, highs).

## Inputs

- **Audio File** (file): Select an audio file
- **Bass Gain (dB)** (number): 0
- **Mid Gain (dB)** (number): 0
- **Treble Gain (dB)** (number): 0
- **Bass Center Freq (Hz)** (number): 100
- **Mid Center Freq (Hz)** (number): 1000
- **Treble Center Freq (Hz)** (number): 8000
- **Q (band width)** (number): 1.0
- **Output Format** (select)

## When to use

- When you need to boost or cut specific frequency ranges in an audio recording.
- To correct imbalances like excessive bass or harsh treble in audio files.
- For preparing audio for different playback systems or environments.

## How it works

- Upload your audio file in a supported format such as MP3, WAV, or AAC.
- Adjust gain levels for bass, mid, and treble bands using sliders or input fields, with ranges from -24 dB to +24 dB.
- Optionally set center frequencies and Q (bandwidth) for each band to fine-tune the effect.
- Select an output format like MP3 or WAV and process the file to download the equalized audio.

## Use cases

- Enhancing low-end frequencies in music tracks for a richer sound.
- Reducing sibilance or hiss in podcast recordings by adjusting treble.
- Balancing audio for video content to improve dialogue clarity.

## Frequently asked questions

### What audio formats can I upload?

The tool accepts common audio formats including MP3, WAV, AAC, and others via the file input.

### How do I adjust the bass gain?

Use the Bass Gain (dB) option to increase or decrease bass levels, with a range of -24 dB to +24 dB.

### What does the Q parameter control?

Q determines the bandwidth of each frequency band; lower Q affects a wider range, higher Q is more precise.

### Can I process multiple audio files at once?

No, the tool processes one audio file at a time, as specified by the single file upload.

### What output formats are available?

You can choose from MP3, AAC, M4A, OGG Vorbis, Opus, FLAC, or WAV for the output file.

## Related tools

- [Audio Chorus](https://elysiatools.com/en/tools/audio-chorus): Apply a chorus effect
- [Audio Crossfade](https://elysiatools.com/en/tools/audio-crossfade): Apply a crossfade between two audio files
- [Audio Denoise Chain](https://elysiatools.com/en/tools/audio-denoise-chain): Apply a multi-step denoise chain with filters and optional RNNoise
- [Audio Flanger](https://elysiatools.com/en/tools/audio-flanger): Apply a flanger effect
- [Audio Gated Reverb](https://elysiatools.com/en/tools/audio-gated-reverb): Apply a reverb effect that is cut off abruptly
- [Audio Notch Filter](https://elysiatools.com/en/tools/audio-notch-filter): Remove a very narrow frequency band (e.g., hum)
- [Audio Phaser](https://elysiatools.com/en/tools/audio-phaser): Apply a phaser effect
- [Audio Reverse Reverb](https://elysiatools.com/en/tools/audio-reverse-reverb): Apply a reverb effect that builds up before the sound

## Samples

- [Copyright-Free FLAC Audio Samples](https://elysiatools.com/en/samples/flac-samples): Lossless FLAC audio samples for testing and development, mirrored from MP3 set with nature sounds and meditation music
- [Copyright-Free MP3 Audio Samples](https://elysiatools.com/en/samples/mp3-samples): Collection of royalty-free audio samples for testing and development purposes including nature sounds, meditation music, and ambient audio
- [Copyright-Free WAV Audio Samples](https://elysiatools.com/en/samples/wav-samples): Uncompressed PCM WAV audio samples for testing and development, mirrored from MP3 set with nature sounds and meditation music
- [Copyright-Free Raw PCM Audio Samples](https://elysiatools.com/en/samples/pcm-samples): Raw PCM s16le audio samples featuring nature ambience and relaxing music for waveform, playback, and conversion workflows