GFI System Duophony Parallel Signal Blender Pedal

£299.00

On the Menu for January 2026 are the GFI System Guitar Pedals. These are fresh in, hand picked by the chef, & cooked to perfection. A tasty number we can deliver straight to your door, serving orders quickly and securely. For more info on GFI System New Guitar Pedals, please read on for full details, demos, videos, reviews & to order online


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Description

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The GFI System Guitar Pedals are fresh in for Jan. The Just Pedals Chef is dishing up hot gear all over the UK, served straight to your door, quickly and securely, For more info on tasty GFI System New Guitar Pedals, please read on for full details, ingredients, reviews and where to order in the UK.

The GFI System Duophony is a mono/stereo parallel blender pedal of unparalleled depth and flexibility, allowing the user to blend two separate signal chains of any kind in myriad different ways. Its rotary touch slider mix control is both intuitive and eye-catching, requiring but a swipe of the finger to tweak the blend ratio of Duophony’s X and Y loops. Each loop is further equipped with dedicated, easily-accessible controls — including gain, dry level, phase, trails (for reverbs and delays), and there’s even an onboard modulation engine with its own expansive control set!

Duophony offers three parallel blend modes for its loops, two routing options (parallel or series), and 16 presets organised into eight banks. Besides the touch slider on the face of the pedal, each of Duophony’s knobs is also a button; allowing for quick access to any parameter while keeping the user interface clean and simple.

Options for outboard expression, aux switching, and MIDI control round out Duophony's exhaustive feature-set — making it the ultimate effects blending workstation for the dedicated sonic adventurer.

Key Features

  • True stereo on all (inputs, outputs, and FX loops) signal paths.
  • Parallel or series routing modes.
  • 3 parallel blend modes : XY mix, Y plus [X], and X plus [Y].
  • 16 presets.
  • Fully adjustable dry signal level.
  • Phase invert function on loop X.
  • Individual gain control for each loop.
  • Bypass function with or without trails.
  • Expression pedal and aux switches control input.
  • MIDI input.
  • Full-featured modulation engine.

Specifications

  • Input Impedance: 1 MOhm
  • Output Impedance: 500 Ohm
  • Input/Send/Return Jacks: 1/4" TRS
  • Output jJacks: 1/4" TS
  • Expression/Aux Input Jack: 1/4" TRS
  • MIDI Input Connector: 1/8" TRS
  • USB Connector: Type C
  • Dimensions: 9.7 x 12 cm (3.8" x 4.7")
  • Power Requirements : 9V DC / 150 mA, centre-negative plug (power supply not included)

Ingredient Allergy Warning : Product may contain nuts.

Additional information

Weight 1 kg

Brand

GFI System

GFI System is a boutique pedal company based in Jakarta, Indonesia, recognized for its high-quality guitar effects pedals and advanced signal processing units. Founded by Henry Widjaja, GFI System has gained acclaim for its commitment to innovation, craftsmanship, and sonic excellence.

The company offers a diverse range of effects pedals, including modulation, delay, reverb, and overdrive pedals, each designed with meticulous attention to detail and utilizing cutting-edge technology. GFI System pedals are celebrated for their versatility, pristine sound quality, and intuitive user interface, making them a favorite among discerning musicians and recording engineers worldwide.

One of GFI System’s standout products is the Specular Tempus, a stereo delay and reverb pedal renowned for its studio-quality sound and extensive feature set. The Specular Tempus offers a wide range of delay and reverb algorithms, customizable parameters, and MIDI functionality, making it a powerful tool for ambient musicians, sound designers, and performing guitarists alike.

In addition to effects pedals, GFI System also produces advanced signal processing units, such as the Clockwork Delay and the Cabzeus Mono, which offer studio-grade effects and amp simulation in a compact and portable format.

With its dedication to innovation, quality, and sonic excellence, GFI System continues to be a respected name in the guitar effects industry, inspiring musicians to explore new sonic territories and push the boundaries of their creativity.

Category

GFI System

GFI System is a boutique pedal company based in Jakarta, Indonesia, recognized for its high-quality guitar effects pedals and advanced signal processing units. Founded by Henry Widjaja, GFI System has gained acclaim for its commitment to innovation, craftsmanship, and sonic excellence.

The company offers a diverse range of effects pedals, including modulation, delay, reverb, and overdrive pedals, each designed with meticulous attention to detail and utilizing cutting-edge technology. GFI System pedals are celebrated for their versatility, pristine sound quality, and intuitive user interface, making them a favorite among discerning musicians and recording engineers worldwide.

One of GFI System’s standout products is the Specular Tempus, a stereo delay and reverb pedal renowned for its studio-quality sound and extensive feature set. The Specular Tempus offers a wide range of delay and reverb algorithms, customizable parameters, and MIDI functionality, making it a powerful tool for ambient musicians, sound designers, and performing guitarists alike.

In addition to effects pedals, GFI System also produces advanced signal processing units, such as the Clockwork Delay and the Cabzeus Mono, which offer studio-grade effects and amp simulation in a compact and portable format.

With its dedication to innovation, quality, and sonic excellence, GFI System continues to be a respected name in the guitar effects industry, inspiring musicians to explore new sonic territories and push the boundaries of their creativity.

Tags

Expression

Expression pedals allow real-time control over specific parameters on compatible guitar pedals, such as volume, delay time, modulation depth, or filter sweep. Used with an expression input, they let players shape effects dynamically with their foot, adding movement and performance control that cannot be achieved with fixed knob settings.

Guitar Pedals

Your pedal is like a signature dish for your sound — a flavour-packed creation that transforms the bland ingredients of your guitar into something unforgettable. Each one adds its own seasoning, texture, and heat, turning a simple meal into a feast of tone.

These tasty little boxes sit in a row, like plates on a buffet, letting you mix and match flavours as you play. With one tap of your foot, you can swap sweet for spicy, subtle for smoky, and serve up something completely new. From the comfort food of warm overdrive to the fiery kick of fuzz, from smooth jazz sauce to heavy-metal spice, pedals give players a full menu of options to express their taste.  And just like with food, once you’ve tried one dish, you’ll want to sample them all.

Collecting, trading, and discovering new flavours soon becomes part of the joy of being a tone-loving gourmet geek with a guitar.

MIDI

MIDI pedals use the Musical Instrument Digital Interface standard to communicate with other guitar pedals, effects units, and hardware. They allow control over presets, parameters, and switching across multiple devices from a single controller. MIDI integration makes it possible to build complex, synchronised pedal setups while keeping control simple and consistent.

New

This is brand new, fresh in, and a UK warranty is included. New Gear always comes from trusted UK music retailers.

power supply

Rotary

Rotary pedals recreate the swirling, moving sound of a rotating speaker cabinet, adding rich modulation and a sense of motion to guitar tones. They typically simulate the changing pitch and volume caused by spinning speakers, producing anything from subtle shimmer to deep, pulsating swirl. Rotary effects are often used for clean and lightly driven sounds to add depth, movement, and a classic, organ-inspired character.

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