Alesis SR18

The Alesis SR18 is a professional drum machine and drum sequencer. It is a popular choice for musicians, producers, and DJs who need a powerful and versatile drum machine. It has been used by artists such as The Prodigy, The Chemical Brothers, and Fatboy Slim.

The SR18 has a wide range of features, including a built-in library of over 500 drum sounds, a 16-track sequencer, and a variety of effects. It also has a built-in metronome and a range of real-time performance controls. The SR18 is powered by six AA batteries or an optional AC adapter. It is also compatible with MIDI and USB connections.