System-Wide PulseAudio Effects Software PulseEffects Update Includes Configurable Number Of Equalizer Bands

PulseEffects PulseAudio system-wide audio effects

PulseEffects, the audio effects tool for PulseAudio, was updated to version 4.0 recently, with subsequent bug-fix releases to version 4.0.4, introducing new features like an option to change the number of its PulseAudio equalizer bands, or use a custom color for the spectrum, among others.

PulseEffects allows using multiple audio input and output effects on your system (which needs to use PulseAudio), including reverberation, stereo enhancer, limiter, auto volume, as well as a 30-band system-wide equalizer.

The application was updated to version 4.0.0 about 10 days ago, and since then there were 4 bug-fix releases, but the 4.x versions weren't available on FlatHub until recently (the current version on Flathub is 4.0.2 so it's 2 bug-fix versions behind).

With version 4.0, PulseEffects uses a different preset format, which means users will have to create new presets. "I know it sucks but it was necessary", mentions the PulseEffects developer. Also, with 4.0, PulseEffects has moved from Python to C++.

Related: PulseEffects: A Nice System-Wide PulseAudio Equalizer / Audio Effects App

Changes in PulseEffects 4.0.x include:

  • The system-wide equalizer bands number can be changed from the equalizer settings menu
  • The spectrum color can be changed.
  • Users can now change the effects order in the left sidebar.
  • A new Calf Filter plugin replaces the high pass and low pass filters from previous PulseEffects versions.
  • Per-app level meters were removed because they caused bugs which the developer was unable to fix.
  • The app no longer crashes when trying to enable an optional plugin that's not installed on your system.
  • Fixed many potential memory leaks.
  • The default buffer values were increased from 100 to 200 ms, which should fix issues with noises for Bluetooth headphone users. The buffer value can be changed from the main settings menu.

PulseEffects PulseAudio system-wide equalizer
Configurable number of equalizer bands

Configurable spectrum color

Download PulseEffects


PulseEffects may not work by default in Ubuntu (and other Linux distributions based on it like Linux Mint) or KDE without some tweaks. See this page for how to get it to work.


PulseEffects, like most Flatpak apps, doesn't use your current GTK theme, but this can be done by installing some themes from Flathub. Check out this article for more information: How To Get Flatpak Apps To Use The Correct Gtk Theme.

For alternate installation methods (like a PPA for Ubuntu / Linux Mint - but it wasn't updated to PulseEffects 4.0.x yet), see this page.

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