Any MIDI sound source can be controlled with the MPD-4. With the 3 external pad jacks it can be connected to 3 more pads as long as a BP-1 pad controller is connected. With a foot switch, each pad can have two sounds.


  • Power: 9V battery/PSA adapter
  • Controls: Value, Pad sensitivity
  • Switches: sound set, Mode (8 line DIP switch)
  • LEDs: Sound Set, Power
  • Jacks: External pads (1-2), Foot switch, DC in (9V)
  • MIDI connectors: In, Out
  • Dimensions: 152 (W) x 60 (H) x 168 (D) mm (6″ x 2 3/8″ x 6 5/8″)
  • Weight: 1.1kg (2lbs, 7 oz)