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The GigRig HumDinger Ground Loop Isolator

Isolate Audio Equipment & Eliminate Earth Loops


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    Product Description

    The GigRig HumDinger eliminates earth loops and provides an extremely easy way to improve your setup sound. 

    Earth loops are caused by multiple electrical paths connecting to a common piece of gear. The HumDinger isolates the second output of your rig, eliminating any extra hum caused by the two circuits. 

    Simply place at the end of your effects chain or after your mains powered pedals to instantly improve signal transparency.


    • POWER - 9V / 100mA
    • CURRENT DRAW - 100mA
    • OUTPUTS - 1 x buffered, 1 x transformer isolated/phase reversible 
    • DIMENSIONS - 5.2cm x 2.6cm x 10.2cm / 20.5" x 1.02" x 4.02"
    • WEIGHT - 0.25kg / 0.6lbs
    Cian Hodge author picture

    Written by Cian Hodge

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    Here at Andertons Music Co. we believe that we stock some of the best musical equipment in the world. That's why we want to make it as quick and easy as possible for you to get your order, safe and sound!

    We offer a wide range of delivery options to help fit around your busy lifestyle without compromise. This includes free, named-day delivery for most UK postcodes on orders over £99 which are in stock, Saturday & Sunday deliveries, and competitive delivery rates worldwide.

    Please note: Some UK postcodes including remote areas and Northern Ireland are subject to charges.

    You can find full details about the services we offer, including details on our international delivery charges, on our main delivery page. Click here to read more.

    Customer Reviews


    21 reviews





    Mr Ben Draper4th May 2021

    Value 5Looks 5Durability 5Sound 5

    Alister19th Apr 2021

    Value 4Looks 3Durability 5Sound 5

    Mr Pete Lawler10th Apr 2021

    Oh the silence. Thank you. The only noise I hear is the noise I make.

    Value 5Looks 5Durability 5Sound 5

    Mr carl Dale10th Apr 2021

    does what it says on the tin

    Value 3Looks 3Durability 3Sound 3

    Trusted Customer1st Feb 2021

    Value 3Looks 5Durability 5Sound 4

    Mr Jonathan Taylor26th Dec 2020

    Just set it up in a wet/dry configuration with two amps. Works a treat. Would definitely recommend.

    Joao Fonseca8th Dec 2020

    Great price! Amazing product!

    Value 5Looks 5Durability 5Sound 5

    Trusted Customer21st Nov 2020

    Quality is great, but you can only use the isolated out if your using the buffered out. I’m not a engineer but both outputs should be buffered and if you could use the isolated out by itself it would be WAY more useful. I’m happy with the product but due to those two factors being hard to find out without buying the product it is ultimately useless for what I purchased it for. Still glad I own it. It just is only useful for a small number of scenarios.

    Value 3Looks 5Sound 5

    Andrew Dorman9th Jul 2020

    What witchcraft is this?! Amazing piece of kit, eliminated any hum and the phase switch finally brought my wet dry setup to life. It was like having an entirely new rig. Cannot recommend highly enough.

    Value 5Looks 5Durability 5Sound 5

    Will Rudder26th May 2020

    Value 5Looks 5Durability 5Sound 5

    Finance available at checkout for orders £300+

    How do I use instant finance?

    It's simple! Just add the products you want to your basket and click the "Checkout" button in your basket. Go through the checkout process and tick the "Finance" option under "Select Your Payment Method". You can then choose which finance term you'd like to apply for, and change your deposit if you wish.

    At the end of the checkout you'll be taken to the V12 Finance web site. This is where your finance application is processed. Assuming your application is accepted you'll be able to place your deposit and confirm your order right there.

    Then, your order will come through to Andertons and we'll send you the goods. Get approval before 3pm and we'll send your order out the same working day (stock permitting) for next working day delivery!

    Who can apply for finance?

    You must: spend over £300, be at least 18 years of age, have been a UK resident for 3 years or more, be able to make repayments by Direct Debit, be in regular employment (minimum of 16 hours per week) including self-employment, or in permanent residence with your partner who is in regular employment.

    Read More About Online Finance

    Andertons Music Company's Registered Office: 58-59 Woodbridge Road, Guildford, GU1 4RF. Andertons Music Company acts as a credit broker and not a lender and only offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance. Andertons Music Company is authorised and regulated by the Financial Conduct Authority. Credit provided subject to age and status.