Keith McMillen Instruments MIDI Expander Demo

MIDI Over USB to Conventional 5-pin MIDI I/O Converter Intended for Use with Keith McMillen Instruments MIDI Controllers
4/5 6 Write review Item ID: MIDIExpandd1
Keith McMillen Instruments MIDI Expander image 1
Keith McMillen Instruments MIDI Expander image 1
$53.00
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Condition of unit: Light signs of use. Included accessories: USB cables.

This item was thoroughly inspected by our factory-authorized service team and is backed by Sweetwater's exclusive 2-year warranty. The images shown do not necessarily represent the condition of this particular item.

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Keith McMillen Instruments MIDI Expander
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Connect Your KMI Gear to Your Hardware Synths!

Add MIDI I/O to your Keith McMillen Instruments controller with the MIDI Expander! The KMI MIDI Expander was created by Keith McMillen Instruments for the specific purpose of letting you hook your KMI SoftStep, 12 Step, QuNeo, or other control surface to your hardware synths and MIDI-equipped effects modules. The way it works is simple: you just attach your KMI controller to the MIDI Expander via standard USB. The MIDI Expander then converts the class-compliant MIDI data running to and from your controller via a pair of conventional 5-pin MIDI ports. That's it! Connecting your KMI gear to your hardware really is that easy with a Keith McMillen Instruments MIDI Expander!

Keith McMillen Instruments MIDI Expander USB/MIDI Bridge Features:
  • The ideal way to connect your KMI control surface to your MIDI-based hardware synths and effects
  • Simple, rugged, and easy-to-use converter between class-compliant MIDI over USB to conventional 5-pin MIDI I/O
  • True plug-and-play operation - hook it up and you're ready to go
  • Completely bus powered operation means no need for extra cables and bulky power supplies
  • No computer required for operation
  • LED indicators let you easily check power connectivity as well as MIDI in and out activity
  • Confirmed compatibility with SoftStep, 12 Step, QuNeo, and other KMI controllers
  • Dimensions: 4" x 1.25" x 1.25"
  • Weight: 2.5 oz.
Get more from your KMI gear with a McMillen Instruments' MIDI Expander from Sweetwater!

What Makes a Product a "Demo"?

At Sweetwater, "Demo" usually means one of the following:

  • It spent some time on display in our store.
  • It was used in a sales training presentation.
  • It was returned by another customer who tried it out for a few days.

Every demo item we sell is certified to be in perfect working order and backed by Sweetwater's 2-year Total Confidence Coverage warranty. Demos are thoroughly inspected by our Factory-Authorized technicians, and you will find their detailed condition notes on the product page. If you have any questions, please call us at (800) 222-4700.

Additional Media

Control Surface Buying Guide

Tech Specs

Manufacturer Part Number K-701

Customer Reviews

4/5
Based on 6 reviews
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5/5

Super Easy Set Up

KMI gives simple instructions for setting this up. I got it running without reading them. It is really simple and functions invisibly. Of course, it should be part of the 12 Step and shouldn't have to be purchased separately. That said (grumpy old man) it works flawlessly.
Music background: Retired composer, producer, recording engineer now playing with art and sound
4.5/5

Another great piece of gear from Keith McMillan!

I needed the expander to convert some gear from USB to standard MIDI and this has been a great solution. The problem I have had is with some heavy Duty MIDI cables do not plug in. I ended up having to use lighter (smaller ended) cables. However, this does not affect performance. Overall, a nice small and affordable solution.
Music background: Live Playing, Home Recording
4/5

MIDI Expander

It's a great kit . Be aware that there is no two prong power cable included in case you need to use external power.
4/5

Finally! A way to use USB "MIDI" controllers without using a computer

The market is flooded with MIDI controllers that DO NOT HAVE MIDI OUT. Instead they have USB. That's great with computers, but not for the live performer who wants to control another device. I guess there must be a lot more home studios than live performers. For a long time I've been looking for a small MIDI controller I could bring onstage without having to setup a computer. The MIDI expander is the solution. I'm using it with the 12 Step. I suppose it should work with any USB MIDI controller... but I have not tried it.
Music background: Live Performer
4/5

Necessary Option

The Midi Expander greatly increases the usability to the very cool line of products from Dave McMillen Instruments. Providing a standard 5 Pin Din output allows all the DM controllers to work with all your hardware Midi devices. Trouble free. Plug and play.
Music background: Music Technology Specialist
See also: Keith McMillen Instruments, Keith McMillen Instruments Control Surface Accessories