USB MIDI-Interface with 1x MIDI-In?? 1x MIDI-Out and 1 x MIDI-Thru??</br>USB bus-powered?? Class Compliant MAC OSX?? Windows XP and above</br>include. 2x 5 din MIDI-Cable and a USB-Cable</br></br>Product Description</br></br>TBOX M3 is a USB MIDI interface which has MIDI IN / MIDI OUT / MIDI THRU in a single unit. TBOX M3 is powered directly by the USB connection?? so no external power supply is required.</br><br/>http://www.amazon.com/gp/product/B0194MMVTC