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High Performance USB 3.0 MIDI with automatic I/O detection

M4U eX is a compact and yet extremely powerful USB 3.0 MIDI interface with 8 MIDI ports.

Each of the 8 ports can either be used as a MIDI input or as a MIDI output, replacing not only traditional MIDI interfaces like it's popular predecessor models with 4 inputs and 4 outputs, but providing also other possible configurations. For instance, you can use up to 8 outputs at a time or up to 8 inputs, or 6 outputs and 2 inputs - to name some examples. And the best feature? This is all handled automatically, simply based on your connection to other MIDI inputs or MIDI outputs and each automatic input / output configuration is displayed via colored LEDs on the front panel.

M4U eX is not only one of the worlds first USB 3.0 MIDI interfaces, it also includes a USB 3.0 hub with 3 connectors for other USB equipment like software dongles or USB keyboards and others. This can literally turn this device into the central hub for your MIDI and USB musical instrument devices. The class compliant device can be bus powered or if needed for other USB devices, be powered by the included DC power supply.

The Windows 7 / 8.1 / 10 / 11 and macOS compatible device provides not only perfect timing and the highest low latency performance of any MIDI interface in it's class on the market today, it can even be used fully standalone without a computer: different operation modes allow you to route input to output signals, merge MIDI signals or use M4U eX as a MIDI thru box. These modes can be selected with the push of a button when needed.

If the 8 ports are not enough, you can connect multiple units to the computer at one time - plus there is also the larger M8U eX available, with 16 ports.

FRONT
BACK

Features

  • USB 3.0 MIDI interface
  • 100% class compliant, works without the installation of a driver
  • USB bus powered
  • 8 MIDI ports, 4 on the front and 4 on the back
  • automatic input and output detection, each port works as a MIDI input or MIDI output
  • standalone operation possible
  • can be used as MIDI Thru box in standalone mode to send one MIDI signal to 7 outputs
  • can be used as MIDI merger in standalone mode to merge 7 MIDI signals to a single output
  • 3-port USB 3.0 hub with external 5V DC power supply to power USB devices (power supply included)
  • multiple units can be used with one computer at a time
  • downwards compatible to USB 2.0 with a USB 2.0 legacy mode
  • optional ESI MIDI Port driver for multi device / multi client operation under Windows available
  • dimensions roughly 17.5cm x 12.0cm x 4.5cm

Bundled Software


In order to get you started right out of the box, M4U eX ships with a powerful software package for professional recording, creation of your own songs, mixing of any audio content and much more. The following applications are currently included:

  Steinberg Cubasis LE  

Cubasis LE is the compact version of Steinberg's mobile multitouch sequencer, providing the same look and feel of its bigger brother Cubasis. Specially designed for quick and easy operation, Cubasis LE makes recording, editing and mixing a breeze, no matter where you are, right there on an iPhone or iPad when connecting M4U eX.

 

Our website always shows the latest information on what we currently ship with our products. Depending on the production date, it can sometimes be possible that a different software package is included with the M4U eX at a local reseller. The actual content is mentioned on the retail box of the product itself. If you are unsure, please contact us.

Reviews and Testimonials


Here are selected reviews of M4U eX:

 

11/2019 Paul Vnuk Jr. wrote a detailed RECORDING review of M4U eX and M8U eX: "Both the ESU M4U eX and M8U eX are well built, rock-solid boxes with old school MIDI connectivity for days all with a modern USB 3.0 edge and workflow. Nicely done." - you can check the full text here as PDF.

   

 

In the 10/2019 issue of Beat (Germany), Jan Wilking wrote about our M4U eX: "The sturdy and nifty MIDI interface can be used with the computer and standalone and provides innovative features at an affordable price" - you can read / download the full German review as PDF here.

   

 

The famous Russian technology review site ProSound/iXBT published a very comprehensive positive review of our M4U eX and M8U eX written by Maxim Liadov. You can find the complete review in Russian language here.

   

 

The September 2018 Sound & Recording (Germany) contains a review of M4U eX from Axel Latta: "The new ESI interface provides good build quality (...) there is a high flexibility for integration into your own setup." - you can read / download the full German review as PDF here.

   

If you are interested in adding a review to this list, do not hesitate and contact us.