Keith McMillen MIDI Expander

55.30 (including VAT @ 23%)

Available for orderDelivery Information

Item on order with our supplier

This item has been ordered from our supplier, and we are currently awaiting delivery.

We will dispatch this product to you as soon as it is received from our supplier.

"Estimated delivery to you" is our estimate of when we will be able to deliver the product to you, based on our supplier's normal delivery timescales. If we become aware it is going to take significantly longer than normal to deliver this item, we will let you know, otherwise, we will advise by email or text message when the item has been dispatched from our distribution centre.

Estimated delivery to you: 1st November 2016

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1 year warranty and 30 day money back guarantee included

1 year warranty and 30 day money back guarantee included

Once the product is delivered, you have 30 days to decide that you definitely want to keep it. If you decide it is not suitable for any reason, you can return it back to us for replacement or full refund, including standard delivery charges.

All Products are new unless stated, and include a minimum of one year warranty.

Some items are only eligible for money back guarantee if they are returned to us unused and sealed in the original packaging, and in the case of software, unregistered. These items include:

  • Software
  • CDs & DVDs
  • In-ear Monitors
  • Earplugs and Ear Protection
  • Mouthpieces, Reeds etc… for Woodwind and Brass instruments
  • Mouth / Lip Care Products

We are unable to accept returns of any custom made items designed to work together as a unique package, such as computer system built to a customer’s personal specifications. Exceptions may only be possible with prior agreement of the vendor, and may be subject to a cancellation fee.

Product Ref: 33729

  • Keith McMillen Instruments MIDI Expander
  • Use KMI Gear to Control MIDI Hardware Devices
  • Send + Receive MIDI Data With or Without a Computer
  • Works with KMI SoftStep, 12 Step, QuNexus + QuNeo

Keith McMillen MIDI Expander


The MIDI Expander from Keith McMillen Instruments allows you to use the KMI SoftStep, 12 Step, QuNexus or QuNeo to control MIDI hardware devices with 5-pin MIDI DIN connectors. With a MIDI device plugged into the KMI MIDI Expander you can send and receive MIDI data with or without a computer.

Product Ref: 33729

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  • Comments from customers who bought this item:

The KMI MIDI Expander is needed for controlling external hardware devices like effects boxes, synthesizers and lighting consoles using the KMI SoftStep, 12 Step or QuNeo over a MIDI cable. When the controller is connected to a computer there is no need for a power supply to run either the controller or the MIDI Expander; if they are connected without a computer then either the controller or the MIDI Expander must use the USB power supply.

The MIDI input jack on the MIDI Expander is solely for receiving MIDI data from external hardware and transmitting it to a computer. It does not function as a MIDI Thru.


  • Works with KMI SoftStep, 12 Step, QuNexus and QuNeo
  • Send and receive MIDI data with or without a computer
  • Control external hardware devices over a MIDI cable