KMA Machine

KMA WURM 2 Distortion

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Legendary BOSS HM2 MIJ distortion sound!

The WURM is KMA’s unabashed sonic love letter to the classic BOSS HM-2 MIJ.

The Boss HM2 sound was a key element of the Swedish chainsaw metal scene.

With the WURM, KMA took the essential ingredients of this sought-after pedal, but added extra features to create a way more flexible distortion pedal.

KMA kept the classic active EQ section and added two more bands: giving a much wider range of tones to tailor your evil and gritty distortion sound!

WURM 2 takes the essential ingredients of KMA’s now classic pedal and adds the ability to switch between EQ settings right on the front of the pedal.

In addition, KMA squeezed it into a smaller and more pedalboard-friendly enclosure with top mounted jacks!

The Wurm 2 presents you with a three-way toggle switch that allows you to run the unit with the original HM-2 style configuration, or with the KMA EQ profile.

A third option lets you combine both traditional and KMA custom EQ profiles. Plus, each of the frequency band has an internal trim-pot to fine-tune your tone.

These flexible EQ options are sure to come in handy when running a down-tuned electric guitar through the Wurm 2!

There is also an internal dip switch input filter to activate a high-cut and stop the unit oscillating when you have all the controls dimed.

That's the sort of distortion we are dealing with: dime all the settings, dime your guitar amp, and play something extreme!

KMA WURM 2 Distortion features:

• High-Gain Metal Distortion pedal.

• Modern take of the sought-after original Boss HM2 MIJ.

• Wide range of metal-distortion tones: from chainsaw, to plain evil and gritty!

• Highly configurable 4-band active EQ.

• 3 distinct types of EQ frequency controls to tailor your tone: now accessible on the front.

• Compact enclosure with top-mounted jacks.

• True Bypass.

• Power: 9V DC.

• Current Draw: 50mA.



Type Distortion
Condition New
Power 9V DC
Current Draw 50mA
Power supply included No
Manufacturer Warranty 5 years
Shipping & Return


  • Free shipping within Canada.
  • Free shipping to the USA.
  • Free shipping on international orders over 399$.

    Visit the Shipping page for more infos.

Fast Delivery

  • Canada : 1 - 2 business days
  • USA : 1 - 2 business days
  • Rest of the world: 3 - 5 business days.

Hassle-Free Returns

You have 45 days to test your new gear.
If you choose to return it, we’ll send a full refund.
It’s that simple: no bogus restocking fees or charges.

Visit the Returns page for more infos.


Frequently Asked Questions

  • Q : Is this item in stock? +

    A : On product pages, you can find an availability status.

    Products with the mention 'In stock' are in stock and ready to ship.

    Products with the mention 'Out of stock' are not currently in stock.

    For out of stock products, you can ask to get notified as soon as the item is back in stock.

    Enter your email in the ‘Email me when available’ field and you’ll be kept in the loop.

  • Q : Where are you located? +

    A : We’re in Blainville, Quebec, Canada.

    Contact us to schedule an appointment if you’d like to meet.

  • Q : When will my order ship? +

    A : Orders placed before 3pm EST ship on the same business day.

    An update with tracking details will be sent shortly after purchase.

    (Please note: business days don’t include weekends and holidays)

  • Q : How much does shipping cost? +

    A : Shipping to Canada and the USA is free on most orders.

    Shipping to the rest of the world is free on orders over 399$US.

    Visit the Shipping page for more infos.

  • Q : What shipping method do you use? +

    A : We ship with UPS.

  • Q : What payment methods do you accept? +

    A : We accept credit cards and Paypal.

  • Q : Do you charge sales taxes to Canadians? +

    A : Canadian residents are asked to pay sales taxes:

    Alberta: 5%.

    British Columbia: 5%.

    Manitoba: 5%.

    New Brunswick: 15%.

    Newfoundland and Labrador: 15%.

    Northwest Territories: 5%.

    Nova Scotia: 15%.

    Nunavut: 5%.

    Ontario: 13%.

    Prince Edward Island: 15%.

    Quebec: 14.975%.

    Saskatchewan: 5%.

    Yukon: 5%.

  • Q : Are there import charges on orders shipped to Canada? +

    A : No. Canadian customers will not be charged import fees.

  • Q : Are there import charges on orders shipped to the USA? +

    A : No. USA residents will not be charged import fees.

  • Q : Are there import charges on International shipments? +

    A: Shipping prices do not include VAT or other import taxes.

    Customers outside of Canada and the USA are responsible for duties and taxes.

    Orders that come back to the shop as refused by the customer will be refunded minus shipping.

    Please track your shipment to be aware of customs processing and delivery attempts.

  • Q : Can you declare a lower value on customs documents? +

    A : We understand that import fees are an annoying part of international purchases.

    However, we cannot offer to declare a lower value on customs forms.

    Customers outside of Canada and the USA are responsible for any fees that may be charged by their government.