ESI M4U eX
Professional music gear - detailed information and where to buy
ESI
M4U eX
Product Info
* Prices may vary. Check retailer for current pricing and availability.
The ESI M4U eX is a solid, affordable MIDI interface for musicians and producers needing a lot of ports. Its thru/merge functionality is a real bonus, making it versatile for complex routing scenarios. It's a great choice for those wanting reliable performance without a premium price tag.
Product Description
- ESI M4U eX
- USB 3.0 MIDI Interface
- With a total of 8 MIDI ports
- Each port can be used as input or output
- Automatic input and output detection
- Multicoloured LEDs for status display
- Additional functions allow the interface to be used as a thru or merge box
- Powered via USB or via the AC adapter included
- Class-compliant - without drivers under Windows 7
- Windows 8.1
- Windows 10 and Mac OSX (32/64 Bit)
- Dimensions: 175 x 120 x 45 mm
PROS
- • 8 ports offer exceptional flexibility for complex setups
- • USB 3.0 ensures rock-solid latency for demanding projects
- • Thru/Merge capabilities expand routing options significantly
- • Compact size makes it ideal for portable or tight studio spaces
CONS
- • Plastic enclosure feels a bit budget-oriented, lacks premium heft
- • LED indicators, while colorful, can be overly bright in a dark room
- • Limited advanced routing customization beyond basic thru/merge
Product Video
Key Features
MIDI Ports
8 (4 In, 4 Out)
USB
USB 3.0 Type-B
Channels
16
Standalone
Yes, Thru/Merge functionality
Power
USB or AC Adapter (included)
Weight
0.75 kg
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Frequently Asked Questions
Yes, it's class-compliant, so it should work fine with older software, though you might see slightly higher latency.
It's surprisingly good for the price; while not as feature-rich as a dedicated merge box, it handles basic merging and routing very reliably.
The AC adapter is designed to be fairly universal, but double-check the voltage rating on the adapter itself to ensure compatibility with your local power supply.
