MIDIFace II 1x1 USB MIDI Interface The MidiFace Thru is USB powered and supports MIDI In, MIDI Out and MIDI Thru. It is Class Compliant, which means you won't need to install drivers on your iPad, Mac, Windows XP, Vista or 7 computer Just plug it in using the included USB cable and you are ready to go! It even includes two MIDI cable so you can connect your keyboard or other MIDI device to the MidiFace. Ideal for anyone who want to connect a MIDI keyboard to a Mac, PC or iPad