Synesthesia is an advanced, yet user friendly dual-channel multi-modulation engines, capable of running two modulation algorithms simultaneously. Packed with 22 classic and modern algorithms (expandable to 30 with future updates) and 3 different DSP routing schemes Synesthesia offers limitless sonic possibilities.

Synesthesia is not just another modulation pedal. By marrying a powerful dual-engine architecture with rich and deep algorithms we provide players with immersive and 'colorful' modulation effects experience, hence the name : Synesthesia.

Up to 30 on-board algorithms - more will be made accessible via the SymmLab editor.

*  To be added in future updates (est. March 2020).

Flexible DSP Routings :   

                         CASCADE                                                  MIXTURES                                                       LR-SPLIT

Preset mode -  conveniently recall your favorite patches from an easy-to-navigate banks of 32 presets.

Stompbox mode -  stomp the footswitches to control the individual DSP, just like using individual stompboxes.
Comprehensive external control :
  • Expression Pedal - with adjustable heel and toe values.
 
  • Control Voltage (CV) - takes 0 - 2.5 V control voltages.​ 
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  • Aux Switches - accepts up to 3 external switches for versatile control (tap-tempo, bank up/down, etc).
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  • MIDI In / MIDI Thru - nearly all features and functionalities of the pedal are opened to MIDI access, including MIDI clock. 
Tap-Tempo -  you can tap in your tempo using an external tap pedal, via Midi, or on the pedal itself.

Space saving -  12 cm x 12 cm (4.7" x 3.5"), impressively small for a pedal that can replace 3 or more individual stompboxes.

​Switch effects order (pre or post) effortlessly via the switchable Pre/Post configuration (specifed on per-preset basis).

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Signal flow

Set to "PRE" :
                Pedal A  <  Pedal B  <  Synesthesia

Set to "POST" :
                 Synesthesia  <  Pedal A  <  Pedal B

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Tips : normally Pedal A and Pedal B would be overdrive or distortion pedals.
 -   Click on picture for full view   -

​Demo Videos

Mike Hermans demo

GFI ​Walkthrough video : Basic Operation

Andy Martin demo
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Mark Johnston demo
R.J Ronquillo demo

GFI Walkthrough video : Expression, Ramping, Aux Switch

Demos in the Dark
Sound Samples demo (Part 2)

​Accessories

Triple Switch
Unlock the full potential of controls and features of Synesthesia with this 3-buttons aux-switch pedal.
  • Bank Up / Down.
  • Page-Up.
  • Tap-Tempo.
  • Favorite Preset.
  • Instant Ramping.
  • DSP-X control, DSP-Y Control.
  • Bypass / Engage.
Key Features :
  • Dual-engine runs 2 algorithms simultaneously.
  • 22 classic and modern modulation effects (expandable to 30 with future updates).
  • Flexible DSP Routings : Cascade, Mixture, Split.
  • 32 Presets.
  • Tap-Tempo.
  • MIDI In / MIDI Thru.
  • Expression Pedal and CV input.
  • Aux Switch expansion.
Specification :
  • Input impedances : 1 MOhm.
  • Output impedances : 500 Ohm.
  • DAC / ADC resolution : 24 bits.
  • Current draw : ~240 mA.
  • Input / Output jacks : 1/4 inch TS.
  • USB Connector : Type B
  • Weight : 800 grams (1.6 lbs).
  • Dimension : 12 (L) x 12 (W) x 5.5 (H) cm
  • Power requirement : 9VDC / 240mA, negative-center plug.

Price : US$399