Pearl MIDI Expander Keyboard Production Station

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MSRP: $106.99
You save $42.99
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The MIDI Expander is a 5 pin MIDI In & Out box that enables communication from Keith McMillen products with hardware devices. 



  • 5-pin MIDI In & Out enables communication with hardware devices
  • Powers your KMI controller and enables stand-alone use without a computer 
  • Includes 2 meter A to B USB cable, power plug, and 5 meter A to B mini-USB cable 
  • The MIDI Expander is a must-have add-on that enables you to control your MIDI world
  • *Only compatible with SoftStep, 12 Step, QuNeo, and other controllers from Keith McMillen Instruments 
  • Simple plug and play operation





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Shipping & Returns

Returns Policy

If you are not completely satisfied with one of our products, you may return it anytime within 30 days of the date of purchase for a hassle-free refund of the amount you paid for the product. Refunds do not include shipping costs. We only specify that returned product not be damaged, missing components, or manufacturer’s documentation. Any special order or non-stocking items are specifically exempted from this policy and will be assessed an appropriate restocking charge.

Shipping Policy

Interstate Music is proud to offer Free Shipping on most items with no minimum purchase. The following are the restrictions to our Free Shipping Policy:

  • Certain oversized or special-order items may not qualify for free shipping. 
  • Free Shipping is available to the 48 contiguous United States.  Alaska and Hawaii do not qualify for Free Shipping.
  • Mid to Heavyweight items will ship via UPS with delivery times between one to five days depending upon destination.
  • Lightweight items (13 ounces or less) will be shipped via USPS Priority Mail with a tracking number.  Delivery is usually within two to five days.

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Pearl MIDI Expander Keyboard Production Station

MSRP: $106.99
You save $42.99

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