DRS0 is an advanced drum machine /sampler.

4 Tracks + 1 Accent Track. 32 steps + double steps for a total of 128 steps (using the AB variations).
4 patterns with N loop and Next Pattern option (plus a go-to-previous-pattern option).
A B Variations.
Mirror Editing - allows both A B variations to be edited once.
Each track can load multiple audio sounds (wav, flac, ogg, mp3, WusikSound) with speed (pitch) and reverse option. Plus volume, pan, attack and decay.
Sounds can be triggered together or in Round Robin (circular) or Random (with a special code that doesn't play the same sound in a row).
When loading multiple sounds, you can adjust individually the Volume and Pan of each sound, plus Velocity Low and High.
MIDI Output selection per track (if your host/daw supports it) with note selection (Channel 10 only).
Includes a great selection of sound files (be sure to download the 400 meg selection here).
Clock Matrix allows swing to be added to the sequencer clock.
Multiple Sync options and Remote Pattern Selections.
Resizeable interface.
Advanced multi-sound playback options.

400 Mb of extra sounds HERE