ESI M4U eX [USB 3.0 MIDI Interface] 8-Port In/Out

The M4U eX is a compact USB 3.0 MIDI interface with eight dual-purpose IN/OUT MIDI ports (auto-detection). Connect it to a computer to use it as a USB MIDI interface, or function as a standalone MIDI thru box or MIDI merge box. It also includes a three-port USB 3.0 hub, allowing you to connect a USB dongle, USB MIDI keyboard, or an additional M4U eX (M8U eX). This highly convenient MIDI interface is suitable for everything from private studios to large-scale systems. MIDI Interface