Lets you see all the DirectX audio plugins in your system, the exact path and filename, whether or not it exists, how many inputs/outputs it has, the class ID, etc! It even lets you open up the Properties page of the plugin! Not only that, you can add/remove plugins at will simply by dragging themonto the program while it's running and letting it know what you want to do! This program is a MUST for anyone out there using DirectX plugins.