Some seem to like this one, some don't. You might see if it does the job for you.

Quote:
First released in July 1999 and updated regularly since, Sound Control is a freeware replacement Windows Sound Mixer applet which together with most of the features of the standard Windows mixer it also allows you to add hot keys to adjust any combination of your sound mixer volumes. Support to control Winamp (and compatibles) with a series of hot keys, CD Player and an On Screen Display is also included. Supports Windows 95 / 98 / Millennium-Me / NT4 / 2000 / XP / Vista and 7.

If you are going to use Sound Control with the Windows Vista / Windows 7 platform please ensure you review the compatibility notes for important instructions.


http://www.reallyeffective.co.uk/sound-control/