The inBOX not only provides your FSR sensors with the gain they need to trigger your drum controller, it also includes both dynamic range and response controls so you can balance it out. What's more, there are two inputs on the inBOX, allowing you to plug in both an inHEAD and a rimSHOT trigger and combine them into a single 1/4" TRS output.
The inBOX Trigger Signal Conditioner Features: