Trigger pad

[citation needed] Triggers are also used to add more definition to drum sounds and prevent bleeding[when defined as?]

between sound sources, making it easier to hear clearly every drum hit without rumble or excessive cymbals.

is where very rapid bass drum hits become difficult to distinguish or even hear in the presence of a full band.

as a training device (e.g., to see if a drummer misses hits), and to officially monitor tests and competitions of drumming speed.

Triggers can send a MIDI to a lighting control console to signal a change in stage displays.