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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.

Pedals & Effects - Gsus4
Original price $187.00 - Original price $187.00
Original price $187.00
$187.00
$187.00 - $187.00
Current price $187.00

Rodenberg M2-Boost Clean Boost for Bass Co-Designed by Marcus Miller

Rodenberg

Sound Design by Marcus Miller and Uli Rodenberg M2 Boost (Clean Boost) for bass Deep Boost toggle switch Toggle switch +20dB level boost Controls:...

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Original price $187.00 - Original price $187.00
Original price $187.00
$187.00
$187.00 - $187.00
Current price $187.00
Original price $375.00 - Original price $375.00
Original price $375.00
$375.00
$375.00 - $375.00
Current price $375.00

Rodenberg M2-OD Bass Overdrive Boost Co-Designed by Marcus Miller

Rodenberg

Sound Design by Marcus Miller and Uli Rodenberg Three completely separate custom pedals in one box: Low Gain overdrive, High Gain overdrive, Boost...

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Original price $375.00 - Original price $375.00
Original price $375.00
$375.00
$375.00 - $375.00
Current price $375.00
Original price $247.00 - Original price $247.00
Original price $247.00
$247.00
$247.00 - $247.00
Current price $247.00

Keeley MANIS 4-in-1 Overdrive & Boost Based on Klon

Keeley Electronics

Keeley pens the next chapter in the legend of the mythical Klon with the Manis Overdrive. The essential germanium diodes are at the heart of the my...

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Original price $247.00 - Original price $247.00
Original price $247.00
$247.00
$247.00 - $247.00
Current price $247.00
Original price $600.00 - Original price $600.00
Original price $600.00
$600.00
$600.00 - $600.00
Current price $600.00

Echo Fix EF-P5 Studio Grade FET Compressor

Echo Fix

Studio-Grade Analog Compression with Modern FlexibilityThe Echo Fix EF-P5 FET Compressor is a premium, 100% analog dynamics processor built for aud...

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Original price $600.00 - Original price $600.00
Original price $600.00
$600.00
$600.00 - $600.00
Current price $600.00
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Original price $375.00
Original price $375.00 - Original price $375.00
Original price $375.00
Current price $337.00
$337.00 - $337.00
Current price $337.00

Echo Fix EP-P3 Chorus Vibrato Pedal

Echo Fix

The Echo Fix EF-P3 Chorus Vibrato pedal is an analog BBD Chorus pedal with a rich and extended feature set. Designed to be the ultimate chorus peda...

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Original price $375.00
Original price $375.00 - Original price $375.00
Original price $375.00
Current price $337.00
$337.00 - $337.00
Current price $337.00
Original price $450.00 - Original price $450.00
Original price $450.00
$450.00
$450.00 - $450.00
Current price $450.00

Echo Fix EF-P2 100% Analog Spring Reverb

Echo Fix

The Echo Fix EF-P2 is a real Spring Reverb pedal that packs a huge sound into a small enclosure. The EF-P2 features a three-spring reverb tank, adj...

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Original price $450.00 - Original price $450.00
Original price $450.00
$450.00
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Current price $450.00
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Original price $675.00 - Original price $675.00
Original price $675.00
$675.00
$675.00 - $675.00
Current price $675.00

GFI System Solis Ventus Stereo Reverb & Delay Machine

GFI System

Solis Ventus is a dual‐engine Delay and Reverb pedal, able to run two algorithms at once, with arbitrary pairings, ordering, and routings. A speci...

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Original price $675.00 - Original price $675.00
Original price $675.00
$675.00
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Current price $675.00
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Original price $1,065.00 - Original price $1,065.00
Original price $1,065.00
$1,065.00
$1,065.00 - $1,065.00
Current price $1,065.00

Milkman Sound The Amp Stereo Stereo Amplifier Pedal w/ Cab Sim & Headphone Out

Milkman Sound

Milkman Sound has expanded its popular line of pedalboard amplifiers with the mighty The Amp Stereo. This newly-designed, fully stereo amplifier d...

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Original price $1,065.00 - Original price $1,065.00
Original price $1,065.00
$1,065.00
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Current price $1,065.00
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Original price $1,125.00 - Original price $1,125.00
Original price $1,125.00
$1,125.00
$1,125.00 - $1,125.00
Current price $1,125.00

Milkman Sound The Amp 100 100W Guitar Amplifier Pedal

Milkman Sound

Milkman's original The Amp was an instant hit. Setting the precedent for almost all pedalboard-based amplifiers, Milkman has now launched a 100w ve...

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Original price $1,125.00 - Original price $1,125.00
Original price $1,125.00
$1,125.00
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Current price $1,125.00
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Original price $405.00 - Original price $405.00
Original price $405.00
$405.00
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Current price $405.00

Fairfield Circuitry 20% MORE Slew Limiting Distortion

Fairfield Circuitry

Explorations around a schematic found among old papers of mysterious origin, suspiciously similar to a datasheet sq/tri oscillator. All that was n...

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Original price $405.00 - Original price $405.00
Original price $405.00
$405.00
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Current price $405.00
Original price $262.00
Original price $262.00 - Original price $262.00
Original price $262.00
Current price $247.00
$247.00 - $247.00
Current price $247.00

ZVEX Basstortion Ampeg SVT In A Box Bass Distortion Pedal Vexter Series

ZVEX

The ZVEX Effects Basstortion captures the spirit of the legendary, cranked Ampeg SVT bass amp sound - in an ultra-compact format! Delivering a thic...

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Original price $262.00
Original price $262.00 - Original price $262.00
Original price $262.00
Current price $247.00
$247.00 - $247.00
Current price $247.00
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Original price $262.00
Original price $262.00 - Original price $262.00
Original price $262.00
Current price $240.00
$240.00 - $240.00
Current price $240.00

ZVEX Loop Gate Loop Switch w/ Built-in Buffer & Noise Gate Vexter Series

ZVEX

The ZVEX Loop Gate is a pedal like no other. It adds a new dimension to your other stompbox sounds, as well as throwing a few neat tricks of its o...

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Original price $262.00
Original price $262.00 - Original price $262.00
Original price $262.00
Current price $240.00
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Current price $240.00
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Original price $472.00
Original price $472.00 - Original price $472.00
Original price $472.00
Current price $435.00
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Current price $435.00

ZVEX Fuzz Factory 7 Original Iconic Fuzz Vexter USA Series

ZVEX

Expanded fuzz, germanium magic, and total sonic chaos. The Fuzz Factory 7™ takes the iconic ZVEX fuzz circuit and launches it into a whole new di...

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Original price $472.00
Original price $472.00 - Original price $472.00
Original price $472.00
Current price $435.00
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Current price $435.00
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Original price $180.00 - Original price $180.00
Original price $180.00
$180.00
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Current price $180.00

ZVEX Fuzzolo Fuzz Pedal

ZVEX

ZVEX managed to squeeze this wild fuzz machine into a small box to save real estate on pedal boards. This fuzz pedal has great bite and cuts throug...

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Original price $180.00 - Original price $180.00
Original price $180.00
$180.00
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Current price $180.00
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Original price $300.00 - Original price $300.00
Original price $300.00
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Current price $300.00

ZVEX Woolly Mammoth Fuzz Pedal Vexter Series

ZVEX

Although originally created for bass, the ZVEX Woolly Mammoth quickly become a guitarist fan favourite as it packs some of the dirtiest low fuzz to...

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Original price $300.00 - Original price $300.00
Original price $300.00
$300.00
$300.00 - $300.00
Current price $300.00
Original price $247.00
Original price $247.00 - Original price $247.00
Original price $247.00
Current price $225.00
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Current price $225.00

ZVEX Fuzz Factory Vertical Original Iconic Fuzz Vexter Series

ZVEX

The Fuzz Factory is ZVEX's flagship pedal, and a true modern classic. Putting the brand on the map back in the mid-to-late '90s, the Fuzz Factory ...

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Original price $247.00
Original price $247.00 - Original price $247.00
Original price $247.00
Current price $225.00
$225.00 - $225.00
Current price $225.00
Original price $270.00 - Original price $270.00
Original price $270.00
$270.00
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Current price $270.00

ZVEX Fat Fuzz Factory Original Iconic Fuzz w/ Toggle Switch Vexter Series

ZVEX

This pedal takes the standard ZVEX Fuzz Factory formula down into sub-octave abyss! Featuring all of the same features found on ZVEX's flagship fu...

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Original price $270.00 - Original price $270.00
Original price $270.00
$270.00
$270.00 - $270.00
Current price $270.00
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Original price $247.00 - Original price $247.00
Original price $247.00
$247.00
$247.00 - $247.00
Current price $247.00

ZVEX Fuzz Factory Original Iconic Fuzz Vexter Series

ZVEX

The Fuzz Factory is ZVEX's flagship pedal, and a true modern classic. Putting the brand on the map back in the mid-to-late '90s, the Fuzz Factory ...

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Original price $247.00 - Original price $247.00
Original price $247.00
$247.00
$247.00 - $247.00
Current price $247.00
Original price $262.00
Original price $262.00 - Original price $262.00
Original price $262.00
Current price $247.00
$247.00 - $247.00
Current price $247.00

ZVEX '59 Sound Vertical Tweed Bassman In A Box Vexter USA Series

ZVEX

Experience the legendary sound of the '59 Tweed Fender Bassman in a compact pedal with the ZVEX Effects '59 Sound. This pedal captures the essence ...

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Original price $262.00
Original price $262.00 - Original price $262.00
Original price $262.00
Current price $247.00
$247.00 - $247.00
Current price $247.00
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Original price $322.00
Original price $322.00 - Original price $322.00
Original price $322.00
Current price $300.00
$300.00 - $300.00
Current price $300.00

ZVEX Vibrophase Vertical Vibrato & Phaser Pedal Vexter Series

ZVEX

A few years ago ZVEX Effects released the Candela Vibrophase, a candle-powered vibrato/phaser machined from solid brass and glass that used a mix ...

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Original price $322.00
Original price $322.00 - Original price $322.00
Original price $322.00
Current price $300.00
$300.00 - $300.00
Current price $300.00
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Original price $262.00
Original price $262.00 - Original price $262.00
Original price $262.00
Current price $247.00
$247.00 - $247.00
Current price $247.00

ZVEX Box of Rock Vertical Distortion & Boost Vexter USA Series

ZVEX

The ZVEX Effects Box of Rock is an extremely popular distortion pedal. Able to accurately imitate the iconic tones of a cranked Marshall JTM45 amp...

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Original price $262.00
Original price $262.00 - Original price $262.00
Original price $262.00
Current price $247.00
$247.00 - $247.00
Current price $247.00
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Original price $300.00
Original price $300.00 - Original price $300.00
Original price $300.00
Current price $277.00
$277.00 - $277.00
Current price $277.00

ZVEX Box of Rock Distortion & Boost Vexter Series

ZVEX

The ZVEX Effects Box of Rock is an extremely popular distortion pedal. Able to accurately imitate the iconic tones of a cranked Marshall JTM45 amp...

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Original price $300.00
Original price $300.00 - Original price $300.00
Original price $300.00
Current price $277.00
$277.00 - $277.00
Current price $277.00
Original price $300.00
Original price $300.00 - Original price $300.00
Original price $300.00
Current price $262.00
$262.00 - $262.00
Current price $262.00

ZVEX Instant Lo-Fi Junky Vertical Compressor & Chorus Pedal Vexter Series

ZVEX

ZVEX have a reputation for their niche and otherworldly guitar effects, used by experimental players to attain simply mind-blowing sounds! The Ins...

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Original price $300.00
Original price $300.00 - Original price $300.00
Original price $300.00
Current price $262.00
$262.00 - $262.00
Current price $262.00
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Original price $240.00
Original price $240.00 - Original price $240.00
Original price $240.00
Current price $225.00
$225.00 - $225.00
Current price $225.00

ZVEX Super Hard On (SHO) Clean Boost Pedal Vexter Series

ZVEX

The ZVEX Super Hard On is a bone-head simple boost pedal that'll seriously raise your tone! With an ultra-transparent sound, the Super Hard On adds...

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Original price $240.00
Original price $240.00 - Original price $240.00
Original price $240.00
Current price $225.00
$225.00 - $225.00
Current price $225.00