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If you use multiple guitars with varying levels, TheGigRig Three2One allows you to switch effortlessly between them and use the built in preamps to balance the levels.

The GigRig Three2One guitar selector features three inputs. You can now switch easily between 1-3 guitars or even line level inputs such as a keyboards or drum machines! 

After plugging your instruments in simply use the footswitch to cycle through them. Need more inputs? You can link 2 units together for up to 6 guitars. If you need to balance levels between differing instruments, then simply select the adjacent preamp button. This engages the pre-amp gain controls next to the LED displays. You can then easily cut or boost the individual inputs.

You can choose true bypass or preamp for each instrument.  User programmable functions with optional signal mute pre-sets and gain boosts up to X4.

We’ve doubled the voltage internally from 9v to 18v, so the Three2One has massive input headroom and can easily cope with a huge range of differing guitar pickup types (including active pickups), but remains ultra clean and quiet.

The Three2One uses the exclusively TheGigRig designed Optokick footswitch. It’s milled from incredibly tough marine quality stainless steel. The Optokick footswitch uses light instead of potentially un-reliable mechanical switching. We firmly believe it’s the most reliable footswitch in the world!


Power9V to 12V DC centre negative (9VDC recommended). Optimised for use with the GigRig Generator power supply.

Current Draw120mA normal mode, 120mA to 200mA in blend mode.

Input ImpedanceUsing the selectable amplifiers 1.6Meg Ohms on each input

Input Signal Handling - True Bypass. No limit, passive DC connection using relays. Buffered input. 8.6V peak to peak, Buffered with X2 gain: 8.6V peak to peak. With boost option engaged: 4V peak to peak.

Output Impedance - True Bypass, variable, highest = 21K Ohms. Using the Selectable amplifiers = 100 Ohms
DimensionsBox size: 11.5cm x 8cm x 4cm
Weight0.22kg / 0.49lbs
The GigRig warrants the product to be free from defects in material and workmanship for a period of 2 years from the original date of purchase. If the product fails within the warranty period, The GigRig will repair or, at our discretion, replace the product and cover the cost of return shipping to the original purchaser. This warranty covers defects in manufacturing discovered while using this product as recommended by The GigRig. This warranty does not cover loss or theft, nor does the coverage extend to damage caused by misuse, abuse, unauthorized modification, improper storage, lightning, or natural disasters. Damage caused by any of the above circumstances may result in a non-warranty repair fee. Legal: In the case of malfunction, the purchaser’s sole recourse shall be repair or replacement, as described in the preceding paragraphs. The GigRig will not be held liable to any party for damages that result from the failure of this product. Damages excluded include, but are not limited to, the following: lost profits, lost savings, damage to other equipment, and incidental or consequential damages arising from the use, or inability to use this product. In no event will The GigRig be liable for more than the amount of the purchase price, not to exceed the current retail price of the product. The GigRig disclaims any other warranties, express or implied. By using the product, the user accepts all terms herein.

5 Reviews Hide Reviews Show Reviews

  • 5
    Excellent product, works as advertized

    Posted by Francisco Hartung on 30th Aug 2021

    Great adition to my board adding versatility and reliability. Love it

  • 5
    The Three2One is ...

    Posted by Daniel Nourry on 15th Apr 2021

    an exceptionally well designed pedal (stylish as well) and what is even better is the quality of the construction: solid but light as a feather. The functions it provides are exactly what I was looking for, and tbh, the only thing stopping me from collapsing under the jealousy I feel for not having thought of it myself, is that I know own one. Great work by everyone involved. Thank you so very much. Also, if anyone is wondering about International shipping ... I live in Mexico.

  • 5
    three 2 one

    Posted by frederic forester on 4th Jun 2020

    delivery on time excellent product easy use adjustable gain on each source plus extra features found my best friend!

  • 5
    It's voodoo...

    Posted by Matthew O'Neill on 30th Nov 2017

    I bought the Three2One in an attempt to mix the signals from a keyboard, a drum pad, and a GR-55 into the aux in of my looper. Not only does it do this perfectly, but each signal is now crystal clear and I have far greater control over their respective volumes. I really didn't want to have to put a full blown mixing desk on my pedal board - even the tiniest ones take up a huge chunk of precious space - so the Three2One is absolutely perfect. Thanks a million GigRig, you've outdone yourselves yet again. Mat

  • 5
    Want to use

    Posted by Tony Campbell on 16th Aug 2017

    I bought the 321 because I use a Les Paul and a Strat with my band. It's so convenient not to have to swap over, I just keep both plugged in and click the switch to change between them. I love the gain switch for each input, it lets me balance the levels then forget about it. As with all Gigrig gear, it's top notch quality and really easy to set up and use. Dan has done it again, highly recommended.

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