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Pedals & Effects - Gsus4

Pedals & Effects

Explore a curated selection of guitar pedals and effects at Gsus4 - from boutique overdrive and distortion to delay, reverb, modulation, pitch, volume and utility pedals. Our range covers everything from classic analogue tones to modern, experimental sound design tools.

Based in Sydney, Gsus4 focuses on thoughtfully selected gear that inspires creativity, whether you are building a compact pedalboard, refining your core tone, or expanding into ambient and textural sounds. Each pedal is chosen for sound quality, build reliability and real-world usability.

Discover gain devices, preamps, buffers, switching solutions and time-based effects from respected global and boutique brands. Whether you play live, record at home, or experiment in the studio, our guitar effects collection is designed to support every stage of your signal chain.

Original price $719.00
Original price $719.00 - Original price $719.00
Original price $719.00
Current price $519.00
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Current price $519.00

Digitech | Whammy DT | Classic Pitch Shifting w/ Drop

DigiTech

With the Whammy DT, you can modify your tuning without having to change guitars or pause awkwardly to make adjustments for the next song. Key cha...

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Original price $719.00
Original price $719.00 - Original price $719.00
Original price $719.00
Current price $519.00
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Current price $519.00
Original price $249.00 - Original price $249.00
Original price $249.00
$249.00
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Current price $249.00

Keeley | Moon Op Amp Fuzz | Based on the Dark Side Circuit | 3 Distinct EQ Profiles

Keeley Electronics

The Moon Op Amp Fuzz is a supermassive destroyer, spinning galaxies of gain. Tidal wave bass response gives you tones heavy as gravity itself. The ...

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Original price $249.00 - Original price $249.00
Original price $249.00
$249.00
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Current price $249.00
Original price $499.00 - Original price $499.00
Original price $499.00
$499.00
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Current price $499.00

Keeley | Loomer Workstation | Fuzz, Reverb, Delay & Modulation

Keeley Electronics

THE LOOMER IS A WALL-OF-FUZZ DRENCHED IN A WASH-OF-REVERB.Heavy Gain, Soft Focus, Reverse, Cascading Octave Feedback, Tremolo Bar Strummed Rever...

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Original price $499.00 - Original price $499.00
Original price $499.00
$499.00
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Current price $499.00
Original price $1,299.00
Original price $1,299.00 - Original price $1,299.00
Original price $1,299.00
Current price $1,249.00
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Current price $1,249.00

Empress Effects | ZOIA Euroburo | Digital Modular System

Empress Effects

The ZOIA Euroburo is a digital modular system that can be placed in your modular system, a real Russian nesting doll situation. We added a headph...

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Original price $1,299.00
Original price $1,299.00 - Original price $1,299.00
Original price $1,299.00
Current price $1,249.00
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Current price $1,249.00
Original price $1,099.00
Original price $1,099.00 - Original price $1,099.00
Original price $1,099.00
Current price $869.00
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Current price $869.00

Empress Effects | ZOIA | Modular Synth Pedal | w/ Reverb, Delay, Chorus, Flanger & more!

Empress Effects

WHAT’S A ZOIA?The ZOIA is basically a modular synthesizer in pedal form. Instead of being a delay effect or tremolo, the ZOIA provides the module...

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Original price $1,099.00
Original price $1,099.00 - Original price $1,099.00
Original price $1,099.00
Current price $869.00
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Original price $419.00
Original price $419.00 - Original price $419.00
Original price $419.00
Current price $349.00
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Current price $349.00

DigiTech | Drop | Polyphonic Drop Tune Pedal

DigiTech

The DigiTech Drop is a dedicated polyphonic drop tune pedal that allows you to drop your tuning from one semitone all the way down to a full oc...

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Original price $419.00
Original price $419.00 - Original price $419.00
Original price $419.00
Current price $349.00
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Current price $349.00
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Original price $549.00 - Original price $549.00
Original price $549.00
$549.00
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Current price $549.00

Drybell | Vibe Machine V3 | Chorus | Inspired by the Uni-Vibe

Drybell

V-3 features the same options as the V-2, so it’s basically the same product in the context of secondary options. However, we played around with...

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Original price $549.00 - Original price $549.00
Original price $549.00
$549.00
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Current price $549.00
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Original price $849.00
Original price $849.00 - Original price $849.00
Original price $849.00
Current price $649.00
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Current price $649.00

Cornerstone | AQUARIUM VIBE | Based on the Classic 'Univibe' Pedal

Cornerstone

The Aquarium is our take on the authentic analog modulation tones of the classic‘Univibe’ pedal, built to inspire your creativity yet designed to...

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Original price $849.00
Original price $849.00 - Original price $849.00
Original price $849.00
Current price $649.00
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Current price $649.00
Original price $479.00
Original price $479.00 - Original price $479.00
Original price $479.00
Current price $349.00
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Current price $349.00

DigiTech | Whammy (5th Gen) | Pitch Shifting Pedal

DigiTech

The new generation Whammy now has a number of improvements over it's predecessors.  For example, pitch shifting through an entire octave now soun...

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Original price $479.00
Original price $479.00 - Original price $479.00
Original price $479.00
Current price $349.00
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Current price $349.00
Original price $349.00
Original price $349.00 - Original price $349.00
Original price $349.00
Current price $259.00
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Current price $259.00

DigiTech | Whammy Ricochet | Pitch Shift Pedal

DigiTech

The Whammy Ricochet lets you bounce your playing up or down in pitch in controlled or crazy shifts. A momentary switch and customizable independe...

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Original price $349.00
Original price $349.00 - Original price $349.00
Original price $349.00
Current price $259.00
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Original price $419.00
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Original price $419.00
Current price $329.00
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Current price $329.00

DigiTech | FreqOut | Natural Feedback Creator Pedal

DigiTech

The DigiTech FreqOut Natural Feedback Creator allows you to get sweet, natural feedback at any volume, with or without distortion. The FreqOut i...

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Original price $419.00
Original price $419.00 - Original price $419.00
Original price $419.00
Current price $329.00
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Current price $329.00
Original price $335.00 - Original price $335.00
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Current price $335.00

Xotic | Robotalk 2 | Two Individual Envelope Filters

Xotic Effects

The Robotalk2 sports two individual envelope filter channels. Each channel is independently voiced and can be preset for different playing style; ...

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Original price $335.00 - Original price $335.00
Original price $335.00
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Current price $335.00
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Original price $659.95
Original price $659.95 - Original price $659.95
Original price $659.95
Current price $645.00
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Current price $645.00

IK Multimedia | AmpliTube X-Vibe | Multi Modulation Pedal

IK Multimedia

AmpliTube Modulation Effects in a Show-stomping Pedal With IK Multimedia X-Vibe on your pedalboard, a cache of hyper-realistic, AmpliTube-deriv...

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Original price $659.95
Original price $659.95 - Original price $659.95
Original price $659.95
Current price $645.00
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Current price $645.00
Original price $829.00
Original price $829.00 - Original price $829.00
Original price $829.00
Current price $649.00
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Current price $649.00

Hotone | AMPERO II STOMP | Tri-Core DSP Next Gen Amp Modeller & Multi Effects Processor

Hotone

Hotone has teamed up with Celestion for the latest iteration of its Ampero amp modeller – the Ampero II Stomp – which comes loaded with 20 of th...

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Original price $829.00
Original price $829.00 - Original price $829.00
Original price $829.00
Current price $649.00
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Current price $649.00
Original price $499.00 - Original price $499.00
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$499.00
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Current price $499.00

Keeley | DARK SIDE V2 | Neo-Vintage Fuzz, Delay & Modulation

Keeley Electronics

We should all be so lucky as to be identified by the sound of a single note.  Some players are so well defined that their entire musical journey ...

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Original price $499.00 - Original price $499.00
Original price $499.00
$499.00
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Current price $499.00
Original price $479.00 - Original price $479.00
Original price $479.00
$479.00
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Current price $479.00

Keeley | Monterey | Neo-Vintage Effects | Fuzz, Rotary, Vibe & Auto Wah

Keeley Electronics

With the Keeley Monterey you take one step back in time and two steps forward.  The Monterey is a surrealistic envelope of neo-vintage effects.  ...

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Original price $479.00 - Original price $479.00
Original price $479.00
$479.00
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Current price $479.00
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Original price $589.00
Original price $589.00 - Original price $589.00
Original price $589.00
Current price $439.00
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Current price $439.00

Source Audio | C4 | Stereo Modular Synth Pedal for Guitar & Bass

Source Audio

A Powerful Modular Synth Pedal for Your Guitar or Bass Source Audio’s C4 Synth Pedal packs the power of a classic Eurorack modular synthesizer in...

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Original price $589.00
Original price $589.00 - Original price $589.00
Original price $589.00
Current price $439.00
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Current price $439.00
Original price $489.00
Original price $489.00 - Original price $489.00
Original price $489.00
Current price $319.00
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Current price $319.00

Source Audio | SPECTRUM | Intelligent Stereo Filter, Distortion, Octave & Envelope Phaser

Source Audio

Premium Filter, Octave, and Distortion FX for Your Guitar or Bass Source Audio poured their extensive filter design expertise into the Spectrum I...

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Original price $489.00
Original price $489.00 - Original price $489.00
Original price $489.00
Current price $319.00
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Current price $319.00
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Original price $589.00
Original price $589.00 - Original price $589.00
Original price $589.00
Current price $350.00
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Current price $350.00

Source Audio | ULTRAWAVE | Stereo Multiband Processor

Source Audio

Transform Your Guitar Tone with Multiband Saturation and Tremolo It's safe to say bands like Muse and Rage Against the Machine wouldn't have mad...

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Original price $589.00
Original price $589.00 - Original price $589.00
Original price $589.00
Current price $350.00
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Current price $350.00
Original price $589.00
Original price $589.00 - Original price $589.00
Original price $589.00
Current price $375.00
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Current price $375.00

Source Audio | ULTRAWAVE BASS | Stereo Multiband Bass Processor

Source Audio

Transform Your Bass Tone with Multiband Saturation and Tremolo If you're a bass player with an ear for nontraditional fuzz/distortion sounds and...

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Original price $589.00
Original price $589.00 - Original price $589.00
Original price $589.00
Current price $375.00
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Current price $375.00
Original price $439.00
Original price $439.00 - Original price $439.00
Original price $439.00
Current price $319.00
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Current price $319.00

Source Audio | GEMINI | Programmable Stereo Chorus

Source Audio

Three Flavours of Deep, Hypnotic Chorus Drift away on swirlicious clouds of liquid stereo chorus generated by the Source Audio Gemini Chorus guit...

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Original price $439.00
Original price $439.00 - Original price $439.00
Original price $439.00
Current price $319.00
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Current price $319.00
Original price $539.00 - Original price $539.00
Original price $539.00
$539.00
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Current price $539.00

Fairfield Circuitry | SHALLOW WATER | K-Field Modulator | Lo-Fi Chorus Vibrato

Fairfield Circuitry

Poolside conversations while staring at your own reflection. The depths of which shall never be known, at least not for another couple thousand ...

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Original price $539.00 - Original price $539.00
Original price $539.00
$539.00
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Current price $539.00
Original price $479.00 - Original price $479.00
Original price $479.00
$479.00
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Current price $479.00

Fairfield Circuitry | Randy's Revenge | Ring Modulation

Fairfield Circuitry

At its finest, in a considerably small package, powered by your typical 9V power supply, all analogue, hand stamped, pure sine wave oscillator, l...

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Original price $479.00 - Original price $479.00
Original price $479.00
$479.00
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Current price $479.00
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
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Current price $299.00

GFI System | ROSSIE | Dynamic Multi Envelope Filter Pedal | w/ EXP

GFI System

ROSSIE is a dynamic multi-filter pedal, encompassing 3 essential tone-enriching filter effects:  Envelope Filter - a colourful resonant filter...

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Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
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Current price $299.00
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