This XRI Systems XR400 Midi Mate comes with its original manual and offers a MIDI merger/switcher that is perfect for musicians and DJs. The device allows you to control multiple MIDI devices from a single input, making your performance or recording session more efficient and streamlined. With its durable construction and reliable functionality, you can trust this XRI Midi Mate to enhance your music setup. The XR400 Midi Mate is compatible with a range of MIDI devices and is an essential tool for any musician or producer looking to streamline their setup. The device is ideal for use in studios, live performances, and home recording setups. With its intuitive design and easy-to-use features, you can seamlessly integrate the XR400 Midi Mate into your existing setup and take your music production to the next level.