From Actual Solution:
Power Mixer is an advanced Windows audio mixer, a replacement for the standard Volume Control. This application lets you easily change the sound volume by simply rotating the mouse wheel or by using keyboard hot keys. It includes an audio mixer with advanced volume controls support, a scheduler, an on-screen display, command line support, the ability to store and recall different unlimited presets via one mouse click or system-wide hot keys. By using presets you can change all parameters of sound simultaneously. It is designed to be especially useful for those who play games, work professionally with sound, or are everyday users.
What's new in this version:
Added support for individual speakers in multi-channel configuration
Added balance control for audio applications
Added peak meter control for audio applications
Added simple peak indicator into volume slider
Added option to disable OSD in full-screen applications