AutoEq is an open-source project with pre-made equalizer configurations for different headphones. Experiment with various EQ curves to find the sound you like, from flat response to optimized curves.

Most equalizer apps have to be purchased, but Equalizer APO, is open source so it’s free to download. It’s not officially supported on Windows 11, but the Windows 10 version still works for ...

Equalizer APO is a graphic equalizer for Windows that can be used to boost audio on any PC. This audio booster tool can be used to modify various audio parameters, like pitch, treble ...