Roland MPU-401

The Roland MPU-401 is a MIDI interface released by Roland Corporation in the 1980s. It was one of the first MIDI interfaces to be released and was widely used by professional musicians and producers. It allowed for the connection of MIDI-compatible instruments and devices to a computer or other MIDI-compatible device.

The Roland MPU-401 works by connecting to a computer or other MIDI-compatible device via a MIDI cable. It then sends and receives MIDI data, allowing for the control of MIDI-compatible instruments and devices. It also has a built-in MIDI sequencer, allowing for the recording and playback of MIDI data.

The Roland MPU-401 has been used by many famous musicians and producers, including Michael Jackson, Prince, and Dr. Dre. It is still widely used today, and is a popular choice for those looking for a reliable and easy-to-use MIDI interface.