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ESI M4U eX

103 Customer ratings

4.6 / 5

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features

quality

57 Reviews

ESI M4U eX
£134
-20% 30-days best price: £167
info
All prices incl. VAT
In stock
1
R
Works best without(!) the ESI Windows-driver
RobSt 14.11.2022
Beware: if you use the ESI driver under Windows 10, it won't send MIDI program changes via Ableton. Deinstalling the driver and letting Windows install it 'natively' (thus via plug and play), solves this problem.

Now that this is solved, thanks to ESI's help via email, I've updated my review (again). All good!
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So
Might be the best MIDI interface
Son of 8-Bits 30.03.2022
Great interface with extreme low latency from USB and it's various modes.

1 star is lost because ESI didn't include software so you can set your own custom modes. Or even better, allow filtering of MIDI messages.

But besides that, this is an incredible interface that works extremely well!
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Z
Flexible and talented
Zwavelbron 02.07.2020
Works great as a MIDI interface, very flexible due to each port being configurable as either an input or output when connected to the PC.

Before buying, I e-mailed them to check if the ports are powered when set to MIDI OUT, and they replied quickly (confirming that they are indeed powered).

When not connected (or when the PC is shut off), it works as a standalone MIDI mixer with 3 different modes, one of which suits my needs perfectly (merging all 7 inputs into 1 output).

The USB 3.0 hub functionality is a nice bonus that I'm also using without any problems.

I'm glad to see companies still building dedicated MIDI hardware and even adding some innovations (the configurable ports in this case).
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DS
Easy to learn and very flexible!
Duke Savage 21.09.2025
I found ESI M4U eX very easy to learn to use from a very short instruction supplied with the product. I use it along with LogicPro on my laptop and a bunch of synth keyboards and modules and it is very easy and quick to change configurations. No bugs nor glitches so far.
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KZ
Karl Zuse 02.05.2021
Perfect for my connecting MIDI devices: Yamaha G50 guitar2midi, Behringer FCB1010 with Uno2, Novation A-station, E-mu Proteus 2000, H&K BS200 and computer. Working pefectly out-of-box with Linux(Kubuntu Studio 20.04LTS) and JACK or in stand-alone mode for live action.
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EN
A lot of functions
Encho Naydenov 15.02.2019
High quality build. Looking very nice.
The USB hub is must have for me.
Highly recommended
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f
A sturdy and smart solution
frescobaldi 26.10.2024
Everything about this device is smart and thought through. It works as both midi merger and splitter, has front and back I/O so you can hide your cables on whichever side. The device can detect whether it's an in or out signal by itself (no configuration required). Acts as a (powered) USB hub on top of that. It's your friend if you work with many midi (usb and/or 5-PIN midi) devices at the same time. It can be helpful especially for windows users experiencing USB connectivity issues on custom desktops. Sure, those issues are manageable, but this little box can save you some time.
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O
A Fantastic Piece of Equipment
Oshogbo 23.01.2021
I use the ESi M4UeX in my home studio, and I never regretted buying it! Absolutely easy to set up and perfect in every way.
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JB
Great MIDI Hub with Hybrid USB/MIDI standard connection
James Bermingham 12.10.2023
This is an amazing Midi Box with 3 USB slots and 8 Multi directional standard Midi ports.

I have this connected to my Push 3 USB 2.0 port as a HUB for my synths, and it connects them perfectly with Push 3 recognising all connections.

Very handy MIDI utility.
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Td
Great solution for hybrid setups
Thomas dB 10.10.2022
Not cheap, but an easy solution for hybrid setups. Easy to use
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ESI M4U eX