The DR-01S is a compact drum machine from the legends at Roland. It features a maximum polyphony of 24. It has the ability to act a metronome, giving you quarter note tempos from 30–400 and 3 different time signatures. It comes loaded with a myriad of percussion sounds that are perfect to add on to your acoustic kit, or your traditional percussion setup. The tones include shaker, maracas, bell, whistle, tambourine, pandeiro, claves, cowbell, triangle, bongo, hand clap, paila, conga, cajon, drums, metronome and sound effects.

This handy drum machine even includes a 4 in. speaker with a power output of 7W. It also features an Led display with 7 segments and 3 characters to easily program and choose your sounds.