volume booster and sound amplifier

Sound Energy Volume Control is directly tired to your PC's volume control

Sound mixer applet which allows you to add hot keys to volume mixers and Winamp.

Control sound volume using system-wide hotkeys!

SoundVolume is tiny control sound volume ActiveX control.

Saves WAV or MP3 files when sound from microphone exceeds a given volume

Sound Volume SDK adjust master , microphone volume in window 7 , vista.

Increase PC volume above maximum in every program.

Boogex is a guitar amplifier plug-in with a variety of sound shaping features.

Control sound volume with the mouse wheel from any application

adjust the volume of sound played from Flash sites,or indeed that play music.