Electro Harmonix Pico Swello Guitar Effects Pedal
Electro Harmonix Pico Swello Guitar Effects Pedal - Image 2

Electro Harmonix Pico Swello Guitar Effects Pedal

★★★★★ 4.9 Stars — Over 1,500 Google Reviews

Original price was: $419.00.Current price is: $345.00.

FAST
Delivery

EASY
Returns

IN HOUSE
Repairs

Buy Now

1 in stock (can be backordered)

✨ This item qualifies for AU Free Shipping!

Pick-up from store - FREE
Free pickup from our Melbourne Store at 4 Drake Boulevard, Altona VIC 3018. Your order will typically be ready by the next business day. We recommend calling us on (03) 8360 7799 beforehand to check it's ready for collection.

International Shipping
Please proceed to checkout to see international rates and avalability.

Electro-Harmonix Pico Swello Polyphonic Attack Envelope Pedal

Unleash smooth, ambient textures and cinematic soundscapes with a micro-sized powerhouse dedicated to reshaping your instrument's dynamic profile. The Electro-Harmonix Pico Swello Polyphonic Attack Envelope Pedal extracts the highly sought-after, premium attack filter from the legendary EHX POG2 and packages it into a compact Pico chassis. Unlike traditional monophonic volume swells that choke when tracking multiple notes, this advanced polyphonic engine tracks chords and fast arpeggios perfectly. It is the premier choice for ambient guitarists, studio sound designers, and post-rock musicians looking to build bowing strings or synth-pad layers on their board.

Angkor Music Technical Evaluation: Polyphonic Attack Tracking & Integrated Low-Pass Filter Resonance

Standard volume auto-swells work on a basic input threshold trigger, meaning they mute your signal and restart the swell only after a period of complete silence. The Pico Swello utilizes a highly sophisticated polyphonic attack algorithm that analyzes and applies independent attack envelopes to each individual note within a chord or fast line. This tracking is expanded by an integrated, interactive modulated low-pass filter (LPF). By linking the filter's sweep timing directly to the main attack envelope, the pedal delivers expressive, analog-style synth sweeps and convincing reverse-audio simulations without losing tracking accuracy.

E-E-A-T Performance Standard: Interactive 4-Knob Controls & Dual-Resonance Filter Voicing

At Angkor Music, our effects specialists recommend the Pico Swello for its clean layout and wide tonal range. Bi-Directional Mod Envelope: The specialized MOD knob gives you complete control over both the depth and direction of the LPF envelope, allowing you to choose between upward or downward filter sweeps. Dual Resonance Modes: The dedicated Filter Button doesn't just turn the circuit on or off; it lets you choose between low and high resonance settings, making it easy to shift between subtle warm filtering and sharp, electronic synth-style pads.

Shop All Effects Pedals →

Technical Specifications

  • Brand: Electro-Harmonix (EHX)
  • Model Portfolio: High-Performance Pico Series
  • Effect Core Type: Polyphonic Attack Envelope & Modulated Filter
  • Circuitry Architecture: High-Speed Digital Tracking Algorithm (Derived from POG2 Architecture)
  • Control Parameters: VOL (Output Master Volume), ATTACK (Swell Rise Time Delay), FREQ (LPF Cutoff Frequency), MOD (Envelope Depth & Sweep Direction)
  • Hardware Selector: Multi-Function Filter Button (LPF Toggle & Dual Resonance Mode Selection)
  • Polyphonic Performance Profile: Processes individual notes inside dense chords independently
  • Chassis Enclosure: Ultra-Compact Heavy-Duty Pico Die-Cast Zinc Housing
  • Audio Connections: 1/4-Inch Mono Input, 1/4-Inch Mono Output
  • Power Specifications: 9VDC Center-Negative Power Input Jack
  • Included Accessories: Genuine EHX 9.6VDC-200mA Australian-Compatible Power Supply Adapter
  • Origin: Designed and Engineered by Electro-Harmonix in New York, USA

What's In The Box Product Contents

  • Core Device: 1 x Electro-Harmonix Pico Swello Attack Envelope Pedal
  • Factory Power Adapter: 1 x Genuine EHX 9.6VDC 200mA Isolated External AC Power Supply
  • Documentation: 1 x Official Electro-Harmonix Pico Swello Quick-Start User Manual Sheet

Key Product Features

  • Standalone POG2 Attack Engine: Puts the legendary multi-voice attack envelope engine straight onto your board without the large footprint or cost of a full-sized POG2.
  • True Polyphonic Tracking: Smoothly swells entire chords and complex fingerpicked lines note-by-note, avoiding the choppy, uneven gating found in older design volume pedals.
  • Flexible Attack Time Scaling: Sweeps easily from a fast, subtle rounding of your picking attack up to slow, dramatic ambient swells.
  • Bi-Directional Filter Sweeps: The MOD knob shapes your attack with upward or downward low-pass sweeps, adding extra texture and character to your notes.
  • Master Volume Gain Recovery: The dedicated VOL knob easily compensates for any perceived drop in loudness caused by long, ambient rise times.
  • Ultra-Compact Pico Footprint: Fits neatly into the tightest layouts, saving valuable space on crowded professional pedalboards.

Frequently Asked Questions

How does the polyphonic tracking in the Pico Swello compare to a standard noise-gate style auto-swell pedal?
Standard auto-swell pedals use a basic noise gate loop that triggers only when your guitar signal drops below a set threshold. If you play a new note while an older chord is still ringing, standard pedals won't swell the new note at all. The Pico Swello features an advanced polyphonic tracking algorithm that analyzes the input signal continuously. This allows it to apply independent attack shapes to newly picked notes even while older notes are sustaining, ensuring smooth, uninterrupted playability.

What is the purpose of the Filter Button, and how do I read its color indicator states?
The Filter Button turns the modulated low-pass filter (LPF) on and off, while also switching between two distinct resonance modes. When the LED indicator is unlit, the LPF is completely bypassed for a clean, natural volume swell. Toggling the button switches between green and red LED states, allowing you to select between a subtle low-resonance setting for smooth tone shaping, or a high-resonance mode that adds sharp, electronic synth-like sweeps to your playing.

Can I safely power the Pico Swello with a standard multi-pedal power supply daisy chain?
Because the Pico Swello uses advanced digital tracking algorithms, it requires clean, stable power to prevent noise. While it runs on a standard 9V center-negative barrel connection, we highly suggest powering it with the included isolated Electro-Harmonix AC adapter or a premium isolated output brick. Avoid sharing power with high-gain analog overdrive or vintage fuzz pedals on a cheap daisy chain, as this can introduce clock noise or digital hum into your signal path.

Additional information

Weight 0.56 kg
type

Effects Pedal

Related Items & Accessories

Related products