Pearl e MERGE 5 Piece Electronic Drum Kit Hybrid Audio & Recording Audio & Recording Accessories Studio Furniture Support for MIDI Polyphonic Expression Audio & Recording Audio & Recording Accessories Miscellaneous Accessories Support for MIDI Polyphonic Expression (MPE) enables Prophet 6 to respond to MPE driven controllers such as LinnStrument which is also used to trigger a variety of onboard tones for layering with the acoustic voice organic and minimally processed acoustic Pearl drums The natural feel from the pad construction with extreme sensitivity created by the Wave Trigger Technology make the PUREtouch Electronic Pad System the new industry standard