big muff guitar pedal EHX by JHS – BIG MUFF 2 – JHS Pedals
SKU: 90322523646
big muff guitar pedal

big muff guitar pedal EHX by JHS – BIG MUFF 2 – JHS Pedals

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Description

big muff guitar pedal EHX by JHS – BIG MUFF 2 – JHS PedalsFor 50 years, a forgotten schematic sat buried in dust and time a concept waiting to be born. Now, its moment has come. The EHX Dual Op Amp Big Muff 2 is here, delivering a completely new Big Muff voice unlike anything youve heard before. THE PAST & PRESENT In 2021, while on a research trip that led to the creation of the book Made On Earth For Rising Stars: The Electro Harmonix Story, we had the privilege of digging through decades of materials,

For 50 years, a forgotten schematic sat buried in dust and time – a concept waiting to be born. Now, its moment has come. The EHX Dual Op-Amp Big Muff 2 is here, delivering a completely new Big Muff voice unlike anything you’ve heard before.


THE PAST & PRESENT

In 2021, while on a research trip that led to the creation of the book Made On Earth For Rising Stars: The Electro-Harmonix Story, we had the privilege of digging through decades of materials, memorabilia, devices, and prototypes in the workshop of Bob Myer, the inventor of the EHX Big Muff. It was there we discovered it: a loose sheet of paper with a hand-drawn schematic labeled “BIG MUFF USING (2 DUAL OP AMPS)”.

This wasn’t just another circuit. It was Bob Myer’s own attempt to reimagine the original transistorized Big Muff circuit using the new cutting-edge Op-Amp technology that had emerged later in the 1970s.

For nearly 50 years, this “Lost Big Muff” design sat forgotten in his notebooks — until now.  We found it. We built it. And have brought it to life.


WHAT MAKES THE BIG MUFF 2 DIFFERENT?

Once discovered, we breadboarded the circuit exactly as Bob drew it, and immediately knew we had something worth making.  We found that Bob’s design is unique when compared to the now famous late 70s Op-Amp Big Muff designed by Michael Abrams. Different clipping arrangement, an extra gain stage and various other elements that made this lost version extremely special. 

Where the original Big Muff delivers that iconic "sweet violin-like sustain," Bob's two dual Op-Amp approach pushes into more aggressive, cutting territory. It's the Big Muff DNA with a sharper edge, more volume, and the most pronounced low-end and midrange of any EHX Big Muff ever. It expresses Bob's vision of aggressive sustain and cutting presence, with the familiar Big Muff control layout you know and love.  It’s the sound of what almost was.

Mike Matthews himself, after hearing our prototype, admitted it had "something special" even though it strayed from the traditional Big Muff voicing he typically preferred. Sometimes the best creations are the ones that don't follow the rules.


VOLUME - Controls the output volume. Left is less, right is more.

SUSTAIN - Controls the amount of fuzz, which increases the sustain when turned up. Left is less, right is more.

TONE - Controls the overall tone. Left is darker, right is brighter.

POWER - 9VDC center negative, 18mA


AN ALTERNATE TIMELINE BIG MUFF

The collaborative result between JHS Pedals, Electro-Harmonix, and official EHX archivist Daniel Danger represents more than just a new pedal — it's a piece of lost music history resurrected for today.  


THE STORY CONTINUES

This pedal is directly connected to the book "Made On Earth For Rising Stars: The Electro-Harmonix Story,” the definitive visual history of Electro-Harmonix, spanning 1968 through the 2020s.  A historic collaboration between EHX, JHS Pedals, Third Man Books, and artist/archivist Daniel Danger.  This expansive book explores everything from Mike Matthews himself to the production floor — from circuit designers to the manic pursuit of curing death, from flying machines to disco towers.  Packed with never-before-seen prototypes, unreleased pedals, vintage documents, and rare photographs, this book captures the chaos, creativity, and genius that made EHX a legend — from the circuit bench to the world stage.  


From Bob Myer's original forgotten workshop to your pedalboard — the Big Muff 2 is the sound of history reborn.*

 

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SKU: 90322523646

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Riik
Charlottesville, US
★★★★★ 5
Easy to install
Color: 4*2.5in Cube LED Pod
Definitely more than I expected. .. dang good product and easy to install
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Reviewed in the United States on April 11, 2026
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rkruz
Whiting, US
★★★★★ 4
Easy Install Onto Jeep JKU, No Switch Backlight or Mounting Holes, Great Customer Service
Color: 5in Cube LED Pod, Color: 5in Cube LED Pod
I installed the Auxbeam 5" 168W LED Cube Pods onto my Jeep JKU Anniversary Steel Bumper. It was an easy install with some YouTube videos to help me snake the cables into the cab. The unused holes in the steel bumper were the perfect size to fit the mounting bolts on the pod lights, and there was plenty of room to reach under the top edge of the bumper to install the nuts with some Loctite. To snake the provided cable through the firewall, I had to remove the installed socket. This was easy to do by simply recessing the retainer clip on each pin, taking a picture of the wired connector before releasing the wires so I knew how to reassemble, snaking the connectorless cable through the firewall into the cab where the pins were then reinserted and locked into the connector. I dressed the cable by zip tie to the existing wire harness at the top of the engine bay. In the cab, I pulled the side panel from the dash (driver's side) and made a small hole for the cable in the panel. After cleaning the dash with alcohol, the adhesive-backed switch seems to hold nicely in place. The lights were very bright and did a great job of illuminating the front and sides of the trail ahead of me. No backlight on the switch, which is a necessity, and I dont understand why that feature is not present. Also, there is no through hole to mount as the adhesive back won't stay attached, so the lack of a mounting hole is a big negative as well. 5 Month UPDATE: One of the lights got water inside. I noticed two screws that hold the glass cover were loose on the bottom of both sides. The other light also had the same loose screws but no water under the glass. I contacted Auxbeam, and they replaced the entire set in 2 days. Very awesome customer service.
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Reviewed in the United States on December 25, 2023
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Kevin Sanguansukdikosol
Los Angeles, US
★★★★★ 5
Brightness and quality
Color: 4*2.5in Cube LED Pod
Got this for my 2024 Crosstrek. Got this one specifically due to its functionality that I wanted, quality for the price and it looks great especially DRL. I leave the Amber cover on most of the time. If you want the DRL to be on while the car is on, you can do that but it has to be rewired which I did. Love the brightness. I’ve been having this on my Crosstrek for a few months now and have no issues.
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Reviewed in the United States on March 3, 2026
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Thomas Chapman
Lexington, US
★★★★★ 5
Bright lights
Color: 4*2.5in Cube LED Pod
Installed these on my Bronco as ditch lights. Very bright light and I like that you can have them be white or put the cover on them for and amber light look. Took about 30 minutes to install and wire to the upfitter switches. They shoot a wide angle covering your blind spots on dark roads. I got these to replace a three inch ditch light. They're made from heavy duty metal and stand up to the extreme weather. I like them so much that I purchased the seven inch lights and install them on the front bumper. For what they cost it was a price that I couldn't pass up. I highly recommend these lights.
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Reviewed in the United States on January 17, 2026
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Abraham Hazim
Whiting, US
★★★★★ 5
Great product
Color: 4*2.5in Cube LED Pod, Color: 4*2.5in Cube LED Pod
Great lighting and beautiful design!!!!!
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Reviewed in the United States on April 18, 2026

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