Skip to content
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 $829.00
Original price $829.00 - Original price $829.00
Original price $829.00
Current price $649.00
$649.00 - $649.00
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...

View full details
Original price $829.00
Original price $829.00 - Original price $829.00
Original price $829.00
Current price $649.00
$649.00 - $649.00
Current price $649.00
Original price $599.00
Original price $599.00 - Original price $599.00
Original price $599.00
Current price $549.00
$549.00 - $549.00
Current price $549.00

Elite Acoustics | EAE | StompMix 4 | 4Ch Digital Mixer Pedal | w/ DSP Gate, Compressor, EQ, Reverb & Delay

Elite Acoustics (EAE)

The StompMix 4 Compact Digital Mixer Pedal is built with a powerful 32-bit DSP engine and a compact lightweight stomp box package.The StompMix 4...

View full details
Original price $599.00
Original price $599.00 - Original price $599.00
Original price $599.00
Current price $549.00
$549.00 - $549.00
Current price $549.00
Original price $339.00 - Original price $339.00
Original price $339.00
$339.00
$339.00 - $339.00
Current price $339.00

Keeley | CAVERNS V2 | Delay & Reverb Dual Effect

Keeley Electronics

The New Caverns Delay Reverb V2 dual effect pedal combines delay and reverb for the perfect end to any pedal board. It features Keeley’s analog s...

View full details
Original price $339.00 - Original price $339.00
Original price $339.00
$339.00
$339.00 - $339.00
Current price $339.00
Original price $329.00 - Original price $329.00
Original price $329.00
$329.00
$329.00 - $329.00
Current price $329.00

Keeley | 30ms Double Tracker | Doubler With Reverb

Keeley Electronics

Keeley 30ms Automatic Double Tracker.  The stereo effect pedal offers an array of studio style doubling effects used for creating thicker, fuller ...

View full details
Original price $329.00 - Original price $329.00
Original price $329.00
$329.00
$329.00 - $329.00
Current price $329.00
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
Current price $299.00

Keeley | Memphis Sun | Small Room Reverb, Slapback Echo, Double Tracking

Keeley Electronics

Head into the Memphis Sun and bask in the tones of the 1950s! Studio sounds of the 1950s and more. Small Room Reverb, Slapback Echo, Futuristic D...

View full details
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
Current price $299.00
Sold out
Original price $249.00 - Original price $249.00
Original price $249.00
$249.00
$249.00 - $249.00
Current price $249.00

Keeley | VERB O TREM | Reverb & Tremolo Combo

Keeley Electronics

The Keeley VoT reverb and tremolo combo gives players a simple and beautiful sounding way to introduce the famous Keeley spring and plate reverbs ...

View full details
Original price $249.00 - Original price $249.00
Original price $249.00
$249.00
$249.00 - $249.00
Current price $249.00
Sold out
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
Current price $299.00

Keeley | DDR | Drive, Delay & Reverb in One

Keeley Electronics

The DDR combines the most common guitar effects–DRIVE and WET–into one pedal. Choose between two classic overdrives and then pour on some delay o...

View full details
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
Current price $299.00
Original price $419.00 - Original price $419.00
Original price $419.00
$419.00
$419.00 - $419.00
Current price $419.00

Keeley | HYDRA | Stereo Reverb & Tremolo | w/ Expression

Keeley Electronics

The HYDRA combines high-fidelity Reverb and Tremolo to add space and dimension to your guitar, bass, or keyboard signal. After the team at Keel...

View full details
Original price $419.00 - Original price $419.00
Original price $419.00
$419.00
$419.00 - $419.00
Current price $419.00
Original price $329.00 - Original price $329.00
Original price $329.00
$329.00
$329.00 - $329.00
Current price $329.00

Keeley | Dynatrem | Dynamic Tremolo & Reverb | w/ Multiple Waveforms

Keeley Electronics

DynaTrem Dynamic Tremolo and Reverb Easily our most addictive Vibe tone! The DynaTrem Dynamic Tremolo by Keeley Engineering is an all new type o...

View full details
Original price $329.00 - Original price $329.00
Original price $329.00
$329.00
$329.00 - $329.00
Current price $329.00
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
Current price $299.00

Keeley | Seafoam Plus | True Chorus & ADT w/ Reverb

Keeley Electronics

We are proud to announce the all new Seafoam Plus Chorus – True Chorus and ADT with Reverb. It will forever change the way you think about chorus...

View full details
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
Current price $299.00
Sold out
Original price $249.00 - Original price $249.00
Original price $249.00
$249.00
$249.00 - $249.00
Current price $249.00

Keeley | VIBE O VERB | Modulated Reverberation Machine

Keeley Electronics

This is a reverberation machine…. Lost reverbs that never were. The atmospheres are Vibey, have Vibratoneness, and are Phasery…. This three mode ...

View full details
Original price $249.00 - Original price $249.00
Original price $249.00
$249.00
$249.00 - $249.00
Current price $249.00
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
Current price $299.00

Keeley | Aurora Digital Reverb | Spatial Studio Quality Reverb

Keeley Electronics

Turn down the lights, turn up the spectrum… Join Keeley Electronics’ grand entrance into the hallowed halls of psychoacoustic processing–the Auro...

View full details
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
Current price $299.00
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
Current price $299.00

Keeley | Hooke Reverb | Spring Reverb, Tremolo & Octave Reverb

Keeley Electronics

The new Hooke Spring Reverb from Keeley brings vintage tube-amp spring reverb and tremolo into one package. Bring your blackface reverb and tremol...

View full details
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
Current price $299.00
Original price $849.00
Original price $849.00 - Original price $849.00
Original price $849.00
Current price $629.00
$629.00 - $629.00
Current price $629.00

Source Audio | COLLIDER | Dual DSP | Stereo Delay & Reverb Pedal

Source Audio

Atomic Delay and Reverb Combination What do you get when you combine a dense delay and radioactive reverb? To find out, the mad scientists at Sou...

View full details
Original price $849.00
Original price $849.00 - Original price $849.00
Original price $849.00
Current price $629.00
$629.00 - $629.00
Current price $629.00
Sold out
Original price $929.00
Original price $929.00 - Original price $929.00
Original price $929.00
Current price $640.00
$640.00 - $640.00
Current price $640.00

Source Audio | VENTRIS | Dual Stackable Stereo Reverb | 14 Modes

Source Audio

14 Stackable Reverbs with Adjustable Spillover From angelic shimmer to Bauhaus indie ambience, the Source Audio Ventris is your ticket to just a...

View full details
Original price $929.00
Original price $929.00 - Original price $929.00
Original price $929.00
Current price $640.00
$640.00 - $640.00
Current price $640.00
Original price $539.00
Original price $539.00 - Original price $539.00
Original price $539.00
Current price $389.00
$389.00 - $389.00
Current price $389.00

Source Audio | TRUE SPRING | 3 Mode Stereo Reverb | w/ 56bit Sigma DSP

Source Audio

Definitive Spring Reverb Tone and Three Sweet Tremolo Modes The Source Audio True Spring Reverb pedal packs some of the most realistic spring reve...

View full details
Original price $539.00
Original price $539.00 - Original price $539.00
Original price $539.00
Current price $389.00
$389.00 - $389.00
Current price $389.00
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
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...

View full details
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
Current price $299.00
Sold out
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
Current price $299.00

GFI System | SKYLAR | Pristine Studio-Grade Reverb | w/ EXP

GFI System

Skylar packs four quintessential GFI System’s reverb algorithms into a compact pedal that is straightforward and easy to use. Intuitive user int...

View full details
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
Current price $299.00
Sold out
Original price $299.00
Original price $299.00 - Original price $299.00
Original price $299.00
Current price $295.00
$295.00 - $295.00
Current price $295.00

Walrus | FATHOM | Multi Function Reverb Pedal

Walrus Audio

Four Reverb Modes with Big Performance Potential Whether you use reverb for subtle ambience or to completely drown your tone in evocative washes...

View full details
Original price $299.00
Original price $299.00 - Original price $299.00
Original price $299.00
Current price $295.00
$295.00 - $295.00
Current price $295.00
Sold out
Original price $759.00
Original price $759.00 - Original price $759.00
Original price $759.00
Current price $629.00
$629.00 - $629.00
Current price $629.00

Universal Audio | UAFX Golden Reverberator | A Stompbox Filled with Classic Studio Reverbs

Universal Audio

UAFX 2.0 Firmware Update is here - Unlock full MIDI control over USB with your MIDI controller. (Detailed guide available here) Universal Audio’s ...

View full details
Original price $759.00
Original price $759.00 - Original price $759.00
Original price $759.00
Current price $629.00
$629.00 - $629.00
Current price $629.00
Original price $519.00
Original price $519.00 - Original price $519.00
Original price $519.00
Current price $439.00
$439.00 - $439.00
Current price $439.00

Walrus | MAKO Series R1 | High-Fidelity Stereo Reverb Pedal | MK1

Walrus Audio

Boasting a feature set unlike any other stompbox-sized reverb, the Walrus Audio R1 is a new addition to the company’s groundbreaking Mako serie...

View full details
Original price $519.00
Original price $519.00 - Original price $519.00
Original price $519.00
Current price $439.00
$439.00 - $439.00
Current price $439.00
Original price $349.00
Original price $349.00 - Original price $349.00
Original price $349.00
Current price $319.00
$319.00 - $319.00
Current price $319.00

Walrus | SLO | Multi Texture Reverb & Sustain Pedal

Walrus Audio

Cavernous Reverb with Captivating Modulation If you use reverb more as a sonic texture than as a subtle ambient effect, you’ll love the Walrus ...

View full details
Original price $349.00
Original price $349.00 - Original price $349.00
Original price $349.00
Current price $319.00
$319.00 - $319.00
Current price $319.00
Original price $419.00 - Original price $419.00
Original price $419.00
$419.00
$419.00 - $419.00
Current price $419.00

JET Pedals | REVELATION Reverb V2 | BLACK | w/ MIDI

JET Pedals

The Revelation V2.0 builds on the ever popular Revelation Reverb. Upgrades include true stereo in's & out's, three user selectable algorith...

View full details
Original price $419.00 - Original price $419.00
Original price $419.00
$419.00
$419.00 - $419.00
Current price $419.00
Sold out
Original price $419.00 - Original price $419.00
Original price $419.00
$419.00
$419.00 - $419.00
Current price $419.00

JET Pedals | REVELATION Reverb V2 | White | w/ MIDI

JET Pedals

The Revelation V2.0 builds on the ever popular Revelation Reverb. Upgrades include true stereo in's & out's, three user selectable algorith...

View full details
Original price $419.00 - Original price $419.00
Original price $419.00
$419.00
$419.00 - $419.00
Current price $419.00