The single-piezo Simmons ST1 acoustic drum trigger mounts easily to most acoustic drums enabling you to activate sounds from your drum module. Designed with a high-quality piezo sensor the ST1 picks up the player’s drum strikes translates them to electronic signals and routes them to most drum sound modules with a standard 1/4 jack cable. The ST1 is engineered for quick easy and sturdy mounting on most standard drum head tension rods and the sturdy nylon structure will withstand years of use.