Roland RT10K Acoustic Kick Drum Trigger Item #: ROL RT10K 

The Roland RT-10K Acoustic Drum Trigger is a newly improved trigger for kick drum.
With acoustic-drum triggering more popular now than ever, Roland has responded to requests from the market and has created these new-generation triggers: the RT-10K (for kick drums), RT-10S (for snare drums), and RT-10T (for toms). Physically smaller than their predecessors, the new 10-series triggers are easier to position. Best of all, they feature new trigger-sensing technology for improved response. The new sensor system is designed to eliminate false retriggering by offering an adjustable sensor structure (U.S. Patent No. 6,794,569). The reduced size and lighter weight of the triggers are helpful in improving sensitivity.