The Alesis PercPad enables you to add four drum pads and an optional kick trigger to your acoustic or electronic kit or percussion setup. It's compact, easy to fit into tight setups, fits on a snare stand, is easy to use, and it contains 25 sounds that are perfect for accessorizing standard drum sets. A MIDI output allows you to access external drum modules. Dual 1/4" outputs are supplied to connect to any sound system or amp, and a headphone out lets you monitor the sound. Includes power supply.