Web Audio Drum Machine

Pulse Grid

One bar of sixteenth notes, four synthesized voices. Toggle cells while it runs; tempo and pattern changes take effect on the next step.

4 / 4 · 16 steps · 1 bar

Tempo

BPM

60120180

Ready · step 01/16 · 120 BPM

Audio unlocks on Play

Click a pad to toggle it. Colored pads are active; the white outline follows the playhead. Kick · Snare · Hi-hat · Clap are generated with oscillators, filtered noise, and envelopes.