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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
ESI M4U eX 8-port USB 3.0 MIDI interface with USB hubHigh Performance USB 3. 0 MIDI with automatic I O detectionM4U 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
High Performance USB 3.0 MIDI with automatic I/O detectionM4U 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.Bundled SoftwareIn 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: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.
- 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
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 333 reviews
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Product Reviews
★★★★★ 5
Large, excellent toy with many squeakers!
Color: Blue, Color: Blue
This toy is excellent! I’m super happy with this purchase. My dog loves squeakers and there are so many in this toy, plus stuffing for her to rip out, and crinkle paper to take the sensory experience up another notch! It’s also more durable than many other plush-type dog toys, and is larger than expected which is a plus in my book.
For size reference, both dogs are around 40lbs.
I will be buying another as soon as this one is demolished!
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Huge and fun. Good for two dogs to play with together.
Color: Yellow
This dog toy is great! And it's HUGE. Each tentacle crinkles, and the dogs love to play tug-of-war with it. It seems to be holding up well, too. It seemed a bit pricy for a dog toy, but it turns out it was worth it.
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Reviewed in the United States on January 11, 2026
★★★★★ 5
My dogs new favorite toy!
Color: Blue
His new favorite toy! My dog absolutely loves it!!! It’s much bigger than I thought it would be so my dog has to be careful when he’s running with it because he will trip on the legs of the octopus. The best part is there is a little squeaker in the bottom of each leg! Bonus!!! If your dog chews up stuffed animals, this will be no different. It is a stuffed animal. My baby just likes to carry it around and squeak it a 1000 times a day. Don’t mind my crazy voice in the video. That’s the voice I use when he’s excited about a toy. He greets me every day with his octopus.🥰
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Reviewed in the United States on February 13, 2026
★★★★★ 4
Fun while they lasted
Color: Green
I ordered two. One for each pup. Both my puppies loved this toy. The first one lasted less than a day with my pup who loves to do the death shake on everything. The second lasted two days with the other as she chews in the same spot. They loved the crinkle noise. However, I'm taking one star away due to not lasting long. Everything else was fine and they enjoyed them while they lasted. Note that most toys do not last long with my pups.
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Puppy Loves this toy
Color: Tie Dye Blue
My puppy is a 7wk old Great Pyrenees & Lab mix. He loves this toy! Fun for tug of war and for cuddles. Definitely worth the money. It is durable enough for razor puppy teeth.
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Reviewed in the United States on June 9, 2026