Manikin-Electronic Memontron Rack Sound Expander Module - unlike a VST instrument this is real hardware, so it is perfect for people who want to play Mellotron sounds on stage without the use of a PC or a sensitive original unit. Comes with 24x instruments, sounds can be loaded from memory card slot in the front, digital effects (hall, delay, chorus, flanger & rotary speaker), volume control, data encoder, display, inputs and outputs (headphone out, mono/stereo line out, MIDI in/thru), flashcard slot. Dimensions: 19"/1U, Made in Germany