Yamaha MDP-30

The Yamaha MDP-30 is a digital drum machine released in the early 1990s. It was used by a variety of artists, including the Beastie Boys, Nine Inch Nails, and Aphex Twin.

The MDP-30 is a 16-bit drum machine with a variety of features, including 16-voice polyphony, 32-step sequencer, and a variety of built-in sounds. It also has a variety of effects, including reverb, delay, and chorus. Additionally, it has a built-in MIDI interface, allowing it to be connected to other MIDI devices.