Quote Originally Posted by bmovie View Post
From it's homepage:

To configure DualComp as a sidechain compressor, add it to the desired channel and then create a new channel with the signal for the sidechain input (usually a kick drum or something similar). Route this channel's output to ports 3/4 of DualComp on the primary channel. The sidechain signal will not be added to the output of the primary signal, so you should create a separate track for your kicks.

Sample configuration of DualComp in Ableton Live:

nice one. will trhy it when i'm back from india