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One Control Effects Gecko MKIII Compact Programable MIDI Switcher, 20 Presets
One Control Effects Gecko MKIII Compact Programable MIDI Switcher, 20 Presets One Control Effects Gecko MKIII Compact Programable MIDI Switcher, 20 Presets One Control Effects Gecko MKIII Compact Programable MIDI Switcher, 20 Presets

One Control Effects Gecko MKIII Compact Programable MIDI Switcher, 20 Presets


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  • Dimensions: 120 (W) x 65 (D) x 46 (H) mm
  • Weight: 400g
  • Power Supply: DC9V
  • Current Draw (using power supply): 25mA max​
  • Current Drain (Battery): Less than 1mA

Manufacturer's Description

The Gecko is a compact, lightweight solution for quickly switching between programs on MIDI devices. With an increasing number of guitar pedals being built with MIDI capabilities, having the ability to access presets in a quick and efficient manner has become an important part of playing live. The Gecko MKIII gives guitarists three modes to access programs.


  • Lightweight, compact MIDI controller
  • PC signals of 16 MIDI channels can be sent simultaneously
  • 20 presets
  • Tap tempo control for multiple devices
  • Can be powered by battery or 9V DC external power supply
  • Two DC outs can also supply power (when using external power supply)

​Three Modes

1. Select Preset Mod (E1) MIDI signals sent only when the OK footswitch is pressed
2. Instant Preset Mode (E2) MIDI signals sent as soon as the preset number is changed
3. Direct Mode (E3) MIDI signals sent as soon as the program number (0-199) is changed


Gecko MKIII has 20 presets. Each preset can store one PC (program change) message for each of 16 MIDI channels. In modes E1 and E2, you can edit presets. PC # can be set between 0 to 199*. Also, if set to OFF, no MIDI signal will be sent to that MIDI channel.
* It may not be possible to receive a value exceeding PC # 128, depending on the receiving device.
​MIDI Channel & Tap Tempo

Each individual MIDI channel can be turned off globally. Since MIDI channels that are set to OFF globally are not displayed during preset editing, setup can be shortened.
Also, for each MIDI channel, you can set the CC number to send when pressing the OK/TAP footswitch and use it as tap tempo control. Since you can set individual CC numbers for each channel, you can control tap tempo of up to 16 devices at once.

​Why you NEED the Gecko MKIII

Perhaps you have a rack effect you've always wanted to use live but going back between songs an scrolling between presets is just out of the question. Perhaps you've got a digital pedal and you'd like to use more than one preset in a single song. Perhaps you play a synthesizer and don't have time to dial the preset menus in between songs. These are all scenarios in which the Gecko MKIII would be a useful tool.

The amount of digital effects being used in live situations continues to grow. One Control responded to the need to have easy access to your favorite presets in an extremely quick and easy manner. The Gecko not only allows to you scroll through twenty user-defined presets, but also allows you to scroll from 0 to 199.

For guitarists who use rack effects that have complex controls, they know that using them in a live situation is quite difficult. With the Gecko you can be at ease knowing that you can use your favorite rack-based effects and not have to worry about having a tech scroll through presets for you... or, even worse, having to go back to your rack between songs and change a preset yourself!

Our Mission

Our team of musicians fuses the spirit of the local guitar shop with the convenience of the web by creating a reliable and worry-free buying experience.

At Music Store Live, our goal is to revolutionize the way gear is bought online. It’s not just about videos and know how; it’s about the person on the other end of the line. Whether you are in Tokyo or Toledo, we invite you to experience the reality of a living online music store and help us shape the best buying experience possible. As you'll see in the video below, we're musicians just like you. We strive to offer the best gear, the best online experience, and the best personalized service in the industry. We invite you to get to know our team, and we would love the opportunity to get to know you too!

Free Shipping - Free Return Shipping - 30 Day Returns

At we are proud to offer free return shipping and a 30-day return policy in the 48 contiguous states on all new* items over $30. It's all part of our mission to bring the guitar shop to your living room. This policy allows you to get your gear hassle-free and try it with your own rig to be sure that it truly fits with your playing style and sound. If it doesn't work the way you had hoped we'll send you a prepaid return label and work up an exchange or issue you a refund once we get the item back in the same condition it was purchased. It's that simple.

Please allow 2-4 business days from the receiving date for returns to be processed.
  • Your order must ship to the billing address associated with your credit card, PayPal, or other method of payment (unless an alternate shipping address has been approved by an MSL Gear Specialist).
  • If you want the shipment to be held at a shipping company hub it is your responsibility to make those arrangements directly with the shipping company.
  • An indirect signature will be required upon delivery for all transactions over $250. If you would like to require a signature on a transaction of less than $250, please request it when you place your order.
  • We do not insure packages valued under $3,000. If you would like to add insurance for delivery or return please request it when requesting your order or initiating your return.
  • All returns are subject to a Tech Check upon arrival. Any instrument that is returned with damage, wear and tear (including pick marks), missing or replaced parts, missing protective or packing materials are not eligible for a full refund.
  • *Used / Open Box/ Vintage / Clearance items carry our same return policy, except with a 3­ day return window.
  • Orders shipped within California will be subject to 7.25% state sales tax.

In most cases we ship same day if your order is placed by 12 p.m. EST Monday thru Friday!

Return Policy Details
Is your instrument just not doing it for you? We understand and we absolutely want you to be thrilled with any gear that you buy from If you're not happy with your order, you can return it to us at no charge within 30 days of delivery.

  • Customers outside the continental USA must pay their own return shipping and are responsible for all applicable taxes and fees.
  • The return policy does not apply to custom orders or modifications (pickup installs, etc)
  • Contact MSL at or (866) 256-5725 to begin the return process. You can request a refund, store credit, or exchange.
  • We'll provide you a return label via email.
  • Ship the item back to us in its original packaging using the provided return label.
  • Customer is responsible for returning the item to Music Store Live in its original condition.
  • A refund or exchange will be issued within 3 business days from our receipt of the returned item.
  • All returns will go through a technical inspection and are subject to a restocking fee if the item is not returned in its original condition. Restocking fee to be determined by MSL.

Layaways & Financing


  • Deposit a non-refundable minimum of 10% down of the purchase price on anything in stock
  • Contact MSL at or (866) 256-5725 to place your initial deposit.
  • Pay it off at your convenience within 30 days.
  • $100 layaway fee for each additional month over the initial 30 days (on most items).


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