Hesuvi - Hesuvi imitates the binaural sound effect of many surround virtualizations by making use of...
SteelSeries Sonar - SteelSeries Sonar is a free audio program for PC that lets you make real-time adjustments to sound being played or sound being recorded.
DFX Audio Enhancer - Formerly known as DFX Audio Enhancer, FxSound Enhancer instantly boosts the sound quality of the music on your PC.
Realtek Audio Control - "Realtek Audio Control" provides the best audio experience with the Realtek Audio Codec. You can adjust audio device effects and all the audio device settings in this App.
Letasoft Sound Booster - Boosts sound volume above maximum level
FxSound - Clearer Sound for Your PC. The new FxSound boosts your sound quality, volume, clarity and bass.