Experience seamless MIDI connectivity with this MOTU Micro Express USB MIDI Interface. With 96 channels and a USB interface, this MIDI interface allows you to easily connect your MIDI devices to your computer for a smooth recording experience. The micro express model has four line inputs and is lightweight at only 7 pounds. It is also compatible with Win 64-bit for added convenience. Whether you're a professional musician or just starting out, this MIDI interface is a must-have for your recording setup. No power supply!!! Untested