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Pigtronix PXEP2 Envelope Phaser II Guitar Effects Pedal


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  • Exceptional LFO modulation with envelope control
  • Envelope mode responds to the dynamics of your playing style
  • Vast array of controls that allow you to shape your tone with finesse
  • Slots into any pedal board with ease
  • Expression pedal inputs allow real-time control over LFO rate and phase-wah
  • Staccato function enables intelligent envelope which delivers exceptional results, no matter how fast you play
  • Includes 18VDC 300mA supply
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Delivery & Returns

Delivery to UK mainland addresses* is FREE on orders over £75 and up to 30kg. (As a guide, a standard electric guitar weighs approx. 3-5kg).

Delivery on orders below £75 are charged at £4.45!

Delivery to Northern Ireland, the Scottish Highlands & Islands, Isle of Man, Isle of Wight, Channel Islands and the Republic of Ireland. is weight dependant and will be indicated at the checkout

Delivery above 30kg to ANY location will vary according to weight and will be indicated at the checkout

LocationPriceStandard Delivery
UK mainland*FREE on orders over £75 £4.45 on orders under £751-3 working days
Northern Ireland, Scottish Highlands & Islands Isle of Man Isle of Wight Channel Islands Republic of Ireland£12.95 – any order value up to 30kg Over 30kg - please call1-3 working days
OverseasPlease call for detailsPlease call

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The Pigtronix PXEP2 Envelope Phaser EP-2 Guitar Effects Pedal delivers sumptuous phaser effects, and is packed to the brim with tone shaping options, which will satisfy even the most demanding of artists. Based on the original EP-I, the EP-II has been given a true redesign by effects genius Howard Davis, to develop a totally new phasing architecture that takes your tone to far out places.


Across the top of the Envelope Phaser, you will find an array of knobs and switches that allow you to carve and shape you tone will precision to achieve the tone of your dreams. With regard to the control knobs, Sensitivity allows you to determine the amount of signal that is needed to trigger the envelope, and as previously noted, responds to your playing dynamics accordingly. It has a vast range of adjustment for you to play with, and plays well with everything from passive single-coil pickups to active electric bass humbuckers - even line level recording equipment.

Depth /Blend controls the level of Low Frequency Oscillator (LFO) modulation, giving you everything from a slight wiggle to a pulsating throb. When the Blend mode is activated, this control acts as a mix between the Envelope Filter and LFO sources. Center controls the audio spectrum focus of the LFO - when the Depth control is set to maximum, the Center control has no effect. Effectively, you can create focus on a darker or brighter tone, depending on the tonal effect you are aiming to achieve. Speed controls the rate of the LFO, whilst Resonance controls how much of the signal is fed back into the circuit.

With regard to the toggle switches, Staccato switch activates the envelope's intelligent mode and monitors the input signal, quickly closing the envelope when it dictates space between notes. IF you're looking to create a dramatic pop with each note - great for accentuating slap bass and high-speed picking. Whatever instrument or line level instrument you are playing through the EP-II, the Staccato and Sensitivity controls work together beautifully to match the musicality of your instrument.

EF Sweep allows you to dictate the direction of the envelope sweep - starting from the bottom and moving up, or starting at the top of the waveform and moving down. Blend activates the Blend mode, which cause the phase shifter effect to be modulated by the Envelope (EF) and Rotary (LFO) simultaneously. The left footswitch to change between pure Envelope mode and BLEND mode. LFO Smooth automatically reduces the Resonance control in LFO mode only, and Invert switches the polarity of the phase shifting. The + setting enhances bass response using a Low Pass effect, whilst the – side cuts bass response to emphasise high frequencies.


The Envelope Phaser has a selection of inputs and outputs to facilitate greater dynamic control over the unit. Alongside the power supply and instrument inputs, there is the EF Trigger, Sweep Pedal, and Speed Pedal inputs. The EF Trigger allows you to connect directly to the envelope, to bypass the input signal as the source for modulation. The Sweep Pedal and Speed Pedal inputs enables TRS expression pedals to be connected to control phase-wah and LFO rate respectively.

As we've come to expect from the team at Pigtronix, the Envelope Phaser effects pedal is built like a tank, and designed to offer studio quality effects in any playing environment - which is clear to see why Bootsy Collins and Peter Frampton both employ the EP-II in their rigs. All you need is the included 18VDC power supply, and you can get out and play.

ModelPXEP2 Envelope Phaser II Guitar Effects Pedal
Dimensions (H x W x D) 38 x 145 x 119 mm
Controls Sensitivity
Staccato (Off / On)
EF Sweep (Up / Down)
Blend (Off / On)
LFO Smooth (Off / On)
Invert (+ / -)
EF / LFO Footswitch
Engage Footswitch
Connectivty Instrument Input
Effect Out
Speed Pedal Input
EF Trigger Input
Sweep Pedal
Included Accessories 18VDC 300mA power supply
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