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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 $263.00
Original price $263.00 - Original price $263.00
Original price $263.00
Current price $225.00
$225.00 - $225.00
Current price $225.00

OPFXS Dig Deep MK1 Sub-Harmonic Octaver Pedal

OPFXS

The OPFXS Dig Deep MK1 is a sub-harmonic octave-down pedal designed to add a monophonic bass line underneath your guitar signal. It tracks the lowe...

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Original price $263.00
Original price $263.00 - Original price $263.00
Original price $263.00
Current price $225.00
$225.00 - $225.00
Current price $225.00
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Original price $300.00
Original price $300.00 - Original price $300.00
Original price $300.00
Current price $263.00
$263.00 - $263.00
Current price $263.00

OPFXS Asteroide Sampler & Harmonizer Pedal

OPFXS

The OPFXS Asteroide is a creative sampler and harmonizer pedal designed to capture the note you are playing and replay it as a dynamic harmonic lay...

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Original price $300.00
Original price $300.00 - Original price $300.00
Original price $300.00
Current price $263.00
$263.00 - $263.00
Current price $263.00
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Original price $375.00
Original price $375.00 - Original price $375.00
Original price $375.00
Current price $338.00
$338.00 - $338.00
Current price $338.00

OPFXS Dig Deep MK3 Advanced Octave Down Bass Synth Pedal

OPFXS

The OPFXS Dig Deep MK3 is an advanced octave-down pedal designed to generate a deep, monophonic bass line from your guitar signal while keeping the...

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Original price $375.00
Original price $375.00 - Original price $375.00
Original price $375.00
Current price $338.00
$338.00 - $338.00
Current price $338.00
Original price $360.00
Original price $360.00 - Original price $360.00
Original price $360.00
Current price $338.00
$338.00 - $338.00
Current price $338.00

Earthquaker Devices Sunn O))) HalfLIFE Octave Distortion & Boost Pedal

Earthquaker Devices

The EarthQuaker Devices Sunn O))) HalfLife is the most compact, pedalboard-friendly version of the legendary Sunn O))) Life Pedal circuit to date. ...

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Original price $360.00
Original price $360.00 - Original price $360.00
Original price $360.00
Current price $338.00
$338.00 - $338.00
Current price $338.00
Original price $248.00
Original price $248.00 - Original price $248.00
Original price $248.00
Current price $210.00
$210.00 - $210.00
Current price $210.00

T-Rex QUINT Machine Octaver Pedal w/ Fifth Up & Individual Volume Control

T-REX

HIGHLY TUNABLE OCTAVES + FIFTH Classic octave doubling is cool, but throwing in a 5th up and giving all 3 modulated sounds their own volume cont...

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Original price $248.00
Original price $248.00 - Original price $248.00
Original price $248.00
Current price $210.00
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Current price $210.00
Original price $473.00
Original price $473.00 - Original price $473.00
Original price $473.00
Current price $375.00
$375.00 - $375.00
Current price $375.00

Aguilar Octamizer DLX Octave Generator Pedal for Bass

Aguilar

Expanded Voices. Precision Tracking. Total Performance Control. The Octamizer DLX is Aguilar’s most powerful bass octave pedal to date, combining t...

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Original price $473.00
Original price $473.00 - Original price $473.00
Original price $473.00
Current price $375.00
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Current price $375.00
Original price $210.00 - Original price $210.00
Original price $210.00
$210.00
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Current price $210.00

Klowra VERDICT Polyphonic Octave & Pitch Shifter

KLOWRA

The Klowra Verdict is far more than a standard octaver - it’s a powerful polyphonic pitch engine designed to turn a single guitar into a full, lay...

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Original price $210.00 - Original price $210.00
Original price $210.00
$210.00
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Current price $210.00
Original price $330.00
Original price $330.00 - Original price $330.00
Original price $330.00
Current price $240.00
$240.00 - $240.00
Current price $240.00

DigiTech Drop BLACK Polyphonic Drop Tune Pedal Limited Edition

DigiTech

The Digitech Drop Guitar Pedal in Black is a dedicated polyphonic drop tune pedal that allows you to drop your tuning from one semitone down to...

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Original price $330.00
Original price $330.00 - Original price $330.00
Original price $330.00
Current price $240.00
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Current price $240.00
Original price $180.00
Original price $180.00 - Original price $180.00
Original price $180.00
Current price $172.00
$172.00 - $172.00
Current price $172.00

TC Electronic Brainwaves Pitchshifter

TC Electronic

With its mind-bending range and kaleidoscopic pitch effects, the studio-grade BRAINWAVES PITCH SHIFTER is the perfect fusion of brains and brawn. ...

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Original price $180.00
Original price $180.00 - Original price $180.00
Original price $180.00
Current price $172.00
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Current price $172.00
Original price $157.00
Original price $157.00 - Original price $157.00
Original price $157.00
Current price $152.00
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Current price $152.00

TC Helicon Critical Mass Choir, Reverb & Tone Pedal Vocal Effects

TC Helicon

There’s nothing like having a large and enthusiastic audience singing along with you. CRITICAL MASS puts that magic right at your feet in an easy ...

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Original price $157.00
Original price $157.00 - Original price $157.00
Original price $157.00
Current price $152.00
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Current price $152.00
Original price $142.00
Original price $142.00 - Original price $142.00
Original price $142.00
Current price $135.00
$135.00 - $135.00
Current price $135.00

TC Electronic Sub 'N' Up Octaver Pedal w/ Toneprint

TC Electronic

Transmit flawless octave tones by using the TC Electronic Sub 'N' Up octaver pedal with exclusive TonePrint technology. Polyphonic tracking takes...

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Original price $142.00
Original price $142.00 - Original price $142.00
Original price $142.00
Current price $135.00
$135.00 - $135.00
Current price $135.00
Original price $112.00
Original price $112.00 - Original price $112.00
Original price $112.00
Current price $105.00
$105.00 - $105.00
Current price $105.00

TC Electronic Sub 'N' Up Mini Octaver Pedal w/ Toneprint

TC Electronic

A compact version of the hugely popular Sub 'n' Up octaver with advanced polyponic octave engine and toneprint-enabled technology for easy custom...

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Original price $112.00
Original price $112.00 - Original price $112.00
Original price $112.00
Current price $105.00
$105.00 - $105.00
Current price $105.00
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Original price $52.00 - Original price $52.00
Original price $52.00
$52.00
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Current price $52.00

TC Electronic Nether Octaver Stompbox

TC Electronic

Level up your tone with the vintage-sounding Nether Octaver and unleash a gnarly pitch-o-rama that will slay all the posers and make you irresisti...

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Original price $52.00 - Original price $52.00
Original price $52.00
$52.00
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Current price $52.00
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Original price $150.00
Original price $150.00 - Original price $150.00
Original price $150.00
Current price $112.00
$112.00 - $112.00
Current price $112.00

Hotone PULZE MINI Battery Powered Portable Modelling Guitar Amplifier w/ Celestion IRs

Hotone

Meet the Pulze Mini — a palm-sized powerhouse designed for guitarists, bassists, and acoustic players who want pro-level tone without hauling arou...

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Original price $150.00
Original price $150.00 - Original price $150.00
Original price $150.00
Current price $112.00
$112.00 - $112.00
Current price $112.00
Original price $210.00 - Original price $210.00
Original price $210.00
$210.00
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Current price $210.00

Klowra VEIN 17-Interval Polyphonic Pitch-Shifter w/ Studio-Grade 32-Bit DSP & Microtonal Precision

KLOWRA

Klowra Vein – 17‑Interval Polyphonic Pitch‑Shifter Pedal Precision Pitch Shifting, Harmonies, Octaves & Glide Modes with Ramp, Stereo Output &...

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Original price $210.00 - Original price $210.00
Original price $210.00
$210.00
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Current price $210.00
Original price $245.00
Original price $245.00 - Original price $245.00
Original price $245.00
Current price $225.00
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Current price $225.00

Markbass RAW OCTAVER Ultra-Fast One Octave Down w/ Dry Signal Mix

Markbass

Following the amazing success of MB Octaver, we decided to offer a smaller version, part of our Raw pedals series. As for its predecessor, the MB ...

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Original price $245.00
Original price $245.00 - Original price $245.00
Original price $245.00
Current price $225.00
$225.00 - $225.00
Current price $225.00
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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

ZVEX Jonny Octave Analog Octave-Up Pedal Hand Painted

ZVEX

Take your solos into another dimension with the Jonny Octave™ – a compact, hand-painted analog octave-up pedal that adds shimmering, harmonically r...

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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
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Original price $811.00
Original price $811.00 - Original price $811.00
Original price $811.00
Current price $541.00
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Current price $541.00

Hotone AMPERO II GEN 2 Tri-Core DSP Next Gen Amp Modeller & Multi Effects Processor w/ ToneCatch

Hotone

The Hotone Ampero II Gen 2 Amp Modeller & Multi-Effects Processor is a next-generation solution for musicians seeking unparalleled tonal versa...

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Original price $811.00
Original price $811.00 - Original price $811.00
Original price $811.00
Current price $541.00
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Current price $541.00
Original price $300.00 - Original price $300.00
Original price $300.00
$300.00
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Current price $300.00

Keeley OCTA PSI Fuzz / Pitch Shifter & Polyphonic Octave

Keeley Electronics

Introducing the Octa Psi Transfigurating Fuzz Pedal: The Ultimate Combination of Pitch-Shifter, Octave Generator, and Analog Fuzz! Imagine merging...

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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 $225.00
Original price $225.00 - Original price $225.00
Original price $225.00
Current price $195.00
$195.00 - $195.00
Current price $195.00

Catalinbread Perseus DIO Synth, Sub Octave & Fuzz in One

Catalinbread

Fewer things give guitarists that fabled “riff face” more than a fuzz mixed with an analog octave down, and our original Perseus was a trailblazer ...

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Original price $225.00
Original price $225.00 - Original price $225.00
Original price $225.00
Current price $195.00
$195.00 - $195.00
Current price $195.00
Original price $713.00
Original price $713.00 - Original price $713.00
Original price $713.00
Current price $488.00
$488.00 - $488.00
Current price $488.00

Eventide PitchFactor Pitch Shifting Delay Pedal

Eventide

What started in a New York basement in 1971 has become a ubiquitous name in audio broadcasting and recording. Eventide's revolutionary devices an...

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Original price $713.00
Original price $713.00 - Original price $713.00
Original price $713.00
Current price $488.00
$488.00 - $488.00
Current price $488.00
Original price $450.00
Original price $450.00 - Original price $450.00
Original price $450.00
Current price $413.00
$413.00 - $413.00
Current price $413.00

Hotone PULZE Eclipse 30W Stereo Modelling Amplifier w/ Bluetooth Black

Hotone

Introducing the Hotone Pulze Luna Modelling Amplifier in a sleek white finish—a modern marvel designed to elevate your musical experience. This Bl...

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Original price $450.00
Original price $450.00 - Original price $450.00
Original price $450.00
Current price $413.00
$413.00 - $413.00
Current price $413.00
Original price $450.00
Original price $450.00 - Original price $450.00
Original price $450.00
Current price $413.00
$413.00 - $413.00
Current price $413.00

Hotone PULZE Luna 30W Stereo Modelling Amplifier w/ Bluetooth White

Hotone

Introducing the Hotone Pulze Luna Modelling Amplifier in a sleek white finish—a modern marvel designed to elevate your musical experience. This Bl...

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Original price $450.00
Original price $450.00 - Original price $450.00
Original price $450.00
Current price $413.00
$413.00 - $413.00
Current price $413.00
Original price $938.00
Original price $938.00 - Original price $938.00
Original price $938.00
Current price $601.00
$601.00 - $601.00
Current price $601.00

Hotone AMPERO II STAGE Tri-Core DSP Amp Modeller & Multi Effects Processor

Hotone

Ampero II Stage, the latest gem in the Ampero series, is here to revolutionise your live performances. With its cutting-edge triple-core digital ...

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Original price $938.00
Original price $938.00 - Original price $938.00
Original price $938.00
Current price $601.00
$601.00 - $601.00
Current price $601.00