The EHX Expression Pedal is part of our innovative Next Step Effects series. It does not use a potentiometer, optics or magnetism to sweep expression-enabled controls. The result is a responsive expression pedal that provides precise control over your expression or control- voltage capable effects and instruments.

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Next Step Expression

The EHX Lizard King is a fixed-gain fuzz that is dynamically responsive. Adjustments to your instruments volume affects the amount of fuzz. Lower instrument volumes create a clear, fuzzy overdrive, while full instrument volume sends the gain over the top for ripping riff and searing solo tones. The familiar VOLUME and OCTAVE knobs control overall output and octave blend volume respectively. 

Demo by Happy Mag

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Lizard King

The EHX OD Glove provides a rich, overtone laden sound that doesn’t get muddy. Responsive controls that take you from sparkling, clean boost through brown crunch and all the way to thick, saturated hi-gain. Advanced features like Tone Shift and selectable 9 or 18V internal voltage for surgical sound sculpting.

Versatile MOSFET overdrive/distortion
Tone Shift switch
Selectable 9V or 18V internal voltage
True bypass
Tough, compact die-cast chassis
9V battery included

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Review by Paul White, soundonsound.com

Review by Trevor Curwen, musicradar.com

Demo by Alexis Guitars

OD Glove

With original late-70s Op-Amp Big Muffs selling for exorbitant prices, Mike Matthews decided to take the power to the people and reissue the classic pedal at a price that players could afford! The circuitry of the new EHX Op-Amp Big Muff Pi —sometimes also referred to as the IC or V4 Big Muff— has been faithfully re-created while several practical enhancements have been added including a compact, die-cast chassis and true bypass switching.

“The Op-Amp Big Muff was popularized by the brilliant Billy Corgan who first used it on the Smashing Pumpkins’ epic 1993 album Siamese Dream. After he was videotaped playing and talking about the reissue, Billy stated: ‘The magic’s still in the box, I can still get what I’m looking for!’” – Mike Matthews

The pedal relies on op-amps rather than transistors and three gain stages rather than four, to create its signature sound. It’s a sound that’s been described by noted Big Muff collector and historian, Kit Rae, as: “a huge, crushing Big Muff sound with more crunch… great for grungy, wall-of-sound distortion, heavy rhythm playing and heavy leads.”

A faithful reissue of the original classic circa 1978
Iconic sound and vibe that’s coveted by guitarists
Controls for Tone, Sustain and Volume, plus a Tone Bypass switch
True bypass switching for maximum signal integrity in bypass mode
Rugged, compact, die-cast package… pedalboard friendly
9V battery included

Product Review 

User Manual 

Product Demo 

OP AMP BIG MUFF PI

The Big Muff Pi® Hardware Plugin® is a new type of product that transcends the limitations of traditional DAW plugins to bring the unique qualities of analog sound to digital recording.

Analog hardware has a magical warmth that is beloved for its sound and feel. That was the genesis behind this product. Take the world’s most beloved harmonic distortion / sustainer and transform it into a plugin.

It works like a standard DAW plugin, but recorded tracks go through the actual analog circuitry of EHX’s Big Muff Pi, injecting analog warmth into your session. Of course, it integrates seamlessly with all the most popular DAWs like Pro Tools®, Ableton Live®, Cubase®, GarageBand®, Logic Pro X®, Reaper® and more.

Simply connect the Big Muff to your DAW by USB, select a track, and open the plug-in window. Instead of software emulation, you have real clipping diodes, overdriving transistors, and nature itself coloring your sound. The analog circuit is pushed over the edge and loses control. The sound you hear is the natural warmth of electromagnetic chaos.

The new Big Muff Pi Hardware Plugin can even function as a 2-in/2-out USB audio recording interface, which enables the user to record with or without the Big Muff effect engaged.

The Big Muff Pi Hardware Plugin can be used as a stand-alone pedal and shares the circuit design of the legendary 1973 Violet Ram’s Head Big Muff. That coveted pedal has set the standard for musical distortion and has been heard on countless classic recordings. It’s renowned for its unmistakable articulation and exceptional sustain, and now it’s has been updated to be true stereo. It also features Tone Wicker, Tone Bypass and presets. With the ability to store up to ten footswitch-accessible presets on the pedal itself and as many as your computer can hold, it is truly a Big Muff Pi like no other!

Wailing solos. Crunchy rhythm. Fat drums. Thundering bass. Liven up just about any track or instrument in your mix. Not just for guitar players, the Big Muff Pi Hardware Plugin opens the universe of real analog circuitry to all digital recording artists and computer musicians!

Brings analog warmth and magic to the digital domain. Great on guitar, but also exceptional on keys, drums, vocals and more
Integrates seamlessly with all popular DAWs (digital audio workstations) like Pro Tools®, Ableton Live®, Cubase®, GarageBand®, Logic Pro X®, Reaper® and more
Works like a standard DAW plugin and it can also be used as a stand-alone pedal
The Big Muff Pi Hardware Plugin’s circuit design is straight from the legendary 1973 Violet Ram’s Head Big Muff with some very special updates including true stereo
A Tone Wicker switch delivers the option of opening up 3 high frequency filters for extra top-end snarl and bite
A Tone Bypass button completely removes the tone control for broadband Big Muff slam
Ten footswitch-accessible presets let you dial in and recall your favorite Big Muff sounds
Provides the added versatility and enhanced functionality of a 2-in/-2-out USB audio recording interface… record with or without the Big Muff effect engaged
Comes with an EHX 9Volt power supply and can also be powered via its USB 2.0 Type B port

Review by Stuart Williams, musicradar.com

Demo by Sweetwater