XonarSwitch
Gives your Xonar super powers!, well almost, i find it realy useful when i wanna switch between headphones and speakers, it also has a classic volume adjustments
Currently Supported Hardware:
ASUS
Xonar D1, DX, D2, D2X, DS, DSX, DG, DGX, Essence ST, Essence STX, Xense, Xonar H6
AuzenTech
X-Meridian 7.1, X-Meridian 7.1 2G
Currently Supported Operating Systems:
Windows XP and later, both x86 and x64.