Pearl's malletSTATION EM Pro 2.0 octave Midi mallet control module is a premium quality professional electronic instrument. EM Pro features a 32-Bit Multi-Processor with KMI Smart Fabric Technology and is designed to be expandable, so you can go from a 2 octave instrument to a 3, 4 or 5 octave keyboard. EM Pro bars are 125mm tall and 46mm wide with a gap of 9.5mm between bars making the playing experience more natural. There is a full-color multi-line screen for navigation, programmable backlit touch-sensitive buttons and control sliders, plus USB and 5 PIN Midi connectivity. A powerful, optional sound card is available that can totally free you from a computer tether during live performance. EM Pro is all about raw power, ultimate performance, and expandability.