Want to speed up and streamline your workflow? Youre in the right place. Meet the subzero 4x4 midi interface. Powered by usb this device is incredibly versatile. Whether youre on stage on location or even in the studio. The elimination of an external power source allows you to make music where you like. However you like. Without having to compromise on quality or performance. Thanks to plug and play technology youll be able to effortlessly connect midi devices to either your windows or apple operating systems. With this in your set up youll be guaranteed wholly accurate timing and control over your keyboards drum machines synthesizers and more. Incredibly versatile the 4x4 has multiple functions. Depending on your task youll be able to use it as either a midi to usb interface when paired with your computer. Or as a midi to midi device to communicate between multiple devices via the mb44.