Boom 3D - Audio enhancer with 3D surround sound
Music Equalizer - Music Equalizer is an intuitive and easy-to-use application that comes with the best solutions related to sound, such as bass booster.
Equalizer APO - A system-wide equalizer for Windows 7 / 8 / 8.1 / 10 with channel remapping/copying capabilities
Sound Booster - Sound Booster is a simple yet powerful app for an enhanced audio experience on your Mac, enabling...
FxSound - Clearer Sound for Your PC. The new FxSound boosts your sound quality, volume, clarity and bass.
eqMac 2 - The open-source macOS audio optimizer 🎛️