Wampler Pedals

Wampler Gearbox Overdrive

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Your overdrive toolbox!

Created in collaboration with guitar extraordinaire Andy Wood, the Gearbox features modified versions of two of Wampler’s best loved drive circuits.

The pedal combines the Tumnus and the Pinnacle, resulting in one of the most versatile dual pedals Wampler has ever created!

Andy tweaked the controls so with everything set at around noon this will sound fantastic out of the box with a minimum of setup.

Channel 1 (based on the legendary Tumnus) is a perfect addition to any board setup and playing style.

You can stack it with another pedal, use it as a stand-alone overdrive, or as a slightly dirty boost to push the front end of your amp.

Channel 2 (based on the Pinnacle, one of Brian’s most popular distortion pedals) delivers that legendary “Brown Sound”.

The three band EQ lets you dial in your soaring lead tone while the unique noise gate keeps the clarity on point.

Stack both channels together for tonal bliss; warm, yet brutal grunt; delicate and controllable harmonic overtones; beautifully defined distortion.

For ultimate control, connect both sets of inputs and outputs to an external switcher to mix or match in parallel or series!

Wampler Gearbox Overdrive Pedal Features:

• Dual-channel overdrive / distortion.

• Developed in collaboration with Andy Wood.

• Channel 1 is a tweaked version of Wampler's Tumnus transparent drive.

• Channel 1 controls: Level, Tone, and Gain.

• Channel 2 is based on a modified Pinnacle British-style distortion.

• Channel 2 controls: Gain, Level, Bass, Mids, and Treble.

• Gate control filters out unwanted noise on channel 2.

• Order switch allows you to change the stacking order of the circuits for added sonic flexibility.

• Power: 9V DC.

• Current Draw: 52mA.

• Dimensions: 5” X 4.5” X 1.5”.



Type Overdrive
Condition New
Power 9V DC
Current Draw 100mA
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.