The cookie settings on this website are set to 'allow all cookies' to give you the very best experience. Please click Accept Cookies to continue to use the site.


£109.00 (Inc. VAT)
£90.83 (Ex. VAT)
(23 reviews) Write a Review
The GigRig Humdinger

Split your signal, correct phase & kill hum.

Great for DI, reamping, wet/dry and plenty more besides.

The Humdinger was designed to eliminate earth loops in audio equipment by isolating the second output with a high quality audio transformer. Earth loops are a common complaint. As soon as the ground on your gear has more than one main route to earth, you have the potential for an earth loop. The best and safest way to get rid of an earth loop is to isolate the ground that is causing the hum. 

Using the Humdinger to get rid of earth loops is easy. If you use 2 amps all you need to do is stick the HumDinger at the end of your effects chain. Your main (buffered) output goes to one amp and the isolated output goes to the other. Your earth is consistent through the main output but isolated through the isolated output. 

Using a mains powered effects pedal, simply place the HumDinger in the chain after the mains powered effect. The Mains powered effect is your main ground and the ground from the amp is isolated.


POWER - 9V / 100mA
OUTPUTS - 1 x buffered, 1 x transformer isolated/phase reversible 
DIMENSIONS - 5.2cm x 2.6cm x 10.2cm / 2.05" x 1.02" x 4.02"
WEIGHT - 0.25kg / 0.6lbs

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.

23 Reviews Hide Reviews Show Reviews

  • 5
    Humdinger — Excellent

    Posted by Jamie Hill on 21st Oct 2019

    Used to split signal into Blues Junior IV and Victory Sheriff 22. Zero loss of tone and allows for for a super simple wet/dry rig; with no phase issues.

  • 5

    Posted by Francisco Amorim on 25th Sep 2019

    I got it to setup a dry/wet rig, works perfectly. The small size is great to fit under any board. Shipping came super fast all the way to Brazil. I'm super satisfied with it.

  • 5
    Dings the Hum

    Posted by Iain Gorrie on 24th Aug 2019

    Very much enjoyed my first wet/dry rig experience thanks to the Humdinger. Really well built, great buffer and compact enough to fit on the underside of a mid-size Pedaltrain.

  • 5

    Posted by Anthony Cook on 23rd Aug 2019

    I had a phase reversal issue on my wet/dry setup. The Humdinger made the problem go away with, literally, the press of a button.

  • 5

    Posted by Mark Cooper on 29th May 2019

    Great product. Really good musical sound from the buffer and the ground loop eliminator works well.

    If Dan is in the mood for a version 2, the addition of midi switching for the polarity inversion would be great. This would remove the issue of some pedals output being the reverse phase of the input when switched in and out of the signal chain. Not an issue in mono applications but certainly a problem in wet/dry or stereo rigs. For instance Victory V4 reverses phase on channel two compared to channel 1.


  • 5

    Posted by Ian Fay on 2nd Mar 2019

    Does what it says - no more hum in my wet dry rig (and squeezed onto pedal board)

  • 5

    Posted by Paolo on 3rd Nov 2018

    Excellent produt. It does what is required. A must for proper dry/wet set up. Amazing what a dry/wet set up delvers in terms of clarity, richness and space. Once tried impossible to go back.

  • 5

    Posted by Giuseppe on 3rd Sep 2018

    Phase issue solved in a wet/dry/wet setup, nice equipment, more to experiment with. It's a great tool.