There is a new firmware posted today for the DTX900M/DTX900/DTXtreme III. Version 1.04 adds three significant improvements to the module:
Increased pad sensitivity with updated trigger set up parameters.
Expanded the input gain setting range from between 0 to 63 to 0 to 127, a huge improvement for customizing your settings.
Additional pad types such as KU100, TP70S Snare, TP70S Tom, TP70S HiHat, TP70, PCY100, and PCY90