The easy to use module on the Medeli DD-402 electronic drum set allows you to choose from 10 preset kit sounds and 108 voices. Simply plug in some headphones and you can play without having to worry about disturbing anyone. You can jam along to 40 preset songs and hear the possibilities of this kit with an included demo song. Additionally you can plug in your MP3 player or any music source via the auxiliary input and play along with your favorite artists. This drum set features 4 Drum pads, 3 cymbal pads (crash with choke function), a hi-hat control pedal and kick pedal. The module display is an easy to read 3-digit LED screen. Module inputs include: DC 9V, USB port, MIDI out, output L/Mono, output R, aux in, phones and trigger input. A great kit for the students or budget minded pro?s!