Go to Setup
Enable Direct Sound
Select the SFX Button
Select Compressor and click Add.
Under Compressor Properties use the following settings:
Gain = Adjust for how loud you want people to be. (I use 15)
Attack = 0.01
Release = Around 500
Threshold = Around -30
Ratio = 100
Pre delay = 4.0
Done!

I remember when you taught me that back in the Rift days… So fricking usefull =)