Pigtronix EP-2 Envelope Phaser




  • Sensitivity
  • Staccate Off/On (toggle)
  • EF Sweep Up/Down (toggle)
  • (footswitch)
  • Depth
  • Blend Off/On (toggle)


  • Center
  • Speed
  • Resonance
  • LFO Smooth Off/On (toggle)
  • Invert +/- (toggle)
  • Engage (footswitch)



The Pigtronix Envelope Phaser pours on the special sauce to take your tone into outer space. Accentuating and sweeping through the harmonics of any musical source, the motion of this revolutionary phase shifter can be controlled by Envelope, LFO or a blend of both. The EP2 pedal is a complete re-design of our Envelope Phaser concept, built on 6 years of customer feedback from the original. EP2 sports all new sounds and smart features, in a considerably smaller package.

EP2 makes it easy to dial in monster envelope tones for any instrument or playing style. The envelope in the EP2 kicks it up a notch with a "Staccato" function that is ideal for fast picking, funk bass and tight rhythm guitar. The Stacatto circuit is an "intelligent envelope" that listens to your playing and quickly discharges the envelope between your notes. This crafty circuit enables incredibly responsive envelope performance, even during rapid fire playing.

EP2's rotary modulation LFO provides adjustable depth and center controls for fine-tuning the frequency range of operation, from subtle swirls to screaming sweeps with a huge range of available speeds. Another crucial addition is the new “LFO smooth” switch, which automatically reduces the resonance setting when the LFO is in use. This performance friendly function finally lets you switch between corpulent, Mutron style quack and deep, swirling Uni-Vibe sounds with a single footswitch stomp... no knob tweaking necessary on stage!

In addition to its unique voice and interactive modulation section, EP2 incorporates new control options, including expression pedals for both SWEEP and SPEED as well as a continuous blend between envelope and LFO modulation sources.

EP2 retains crucial features from the EP-1 such as true bypass switching, + or - phase inversion and our signature “trigger” input for manipulating the envelope with an external audio source. EP2 runs on 18-Volts for maximum headroom.

Years of work went into the development of this unique and ridiculously funky device. If you are a musician seeking the ultimate analog phaser, this is your pedal!


  • LFO Modulation with Speed, Depth and Center
  • Blend combines LFO and Envelope signals
  • Envelope travels Up or Down
  • Side-chain Trigger for Beat Sync
  • Intelligent Envelope Response
  • Invert switch for + or - Phase
  • Compact Aluminum Chassis
  • True Bypass switching
  • Assignable Resonance Kill Switch
  • Pigtronix 18VDC power supply included
  • Expression Pedal inputs for Sweep and Speed
  • Circuit Design by Howard Davis
  • Chassis Size = 5.7" x 4.7" x 1.5"




myFXDB user reviews

4 reviews, average score of 8.88 / 10

2016-03-01mirosol9/10  Think outside the box. This is what you'll get....
2015-12-12wiendahl8.5/10  enjoyed being able to use the envelope and phaser at the same time, really great sound, but ended up getting rid of it and getting the 3leafput some masking tape on it once and when i took it off the paint came off too. oh well
2015-11-12kor9.5/10  ......
2015-07-30wakan7778.5/10  Endless possibilities......

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