Current Doubling Cable Adapter

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If you have a pedal that requires more than standard current, you can use a Current Doubling Cable Adapter along with two matching High Current Adapters to provide your pedal with up to double the mA of a single High Current Adapter without the need of a custom shop solution.

One cable supplied, please choose 2.1 mm or 2.5mm connection.

1. Choose the High Current Adapters to match the Voltage your pedal requires. ( table below shows single adapter information)

2. Select the doubling cable with the connector size to match the High Current Adapter (2.1mm or 2.5mm).

3. Plug each output from the High Current Adapter into the inputs of the doubling cable and the single output plug into your pedal or  additional cable adapter (if polarity or connection size needs changing) 


Single High Current Adapter values:

High Current adapter power details

Please note:

These cables will not alter the polarity from the High Current Adapters. If you require the alternate polarity, you will require an additional Reverse Polarity Adapter after the current doubling cable.

If you require a change in connection you may require an additional 

Cable Adapter




If you need more advice on the correct power for your pedals our Custom Power Path Diagram service is available here

Or contact

The GigRig warrants the product to be free from defects in material and workmanship for a period of 1 year 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.

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  • 5
    Perfect for powering my HX Stomp

    Posted by Michael Nichols on Feb 14th 2023

    If you're using an isolated power supply for your HX Stomp or other high-current pedals, this one is for you. I use this (and a 2.1mm-to-2.5mm non-polarity-reversing adapter) to merge two 500ma outputs from my Strymon Ojai for my HX Stomp. (NOTE: If you're using an HX Stomp like me, and your power supply has 2.1mm outputs, you MUST also order the 2.1mm-to-2.5mm NON-polarity reversing adapter. The other 2.5mm current doubler will NOT work because ALL its connections are 2.5mm, not just the output connection. Use THIS 2.1mm current doubler to connect to your power supply, and use the 2.1mm-to-2.5mm NON-polarity-reversing adapter to connect the current double to your HX Stomp.)