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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 $225.00
Original price $225.00 - Original price $225.00
Original price $225.00
Current price $207.00
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Current price $207.00

Xotic Bass RC Booster V2 Super Transparent Boost Pedal

Xotic Effects

The BRC-V2 is a super transparent boost pedal designed to add clarity and definition to your bass tone. It's the perfect solution for bass player...

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Original price $225.00
Original price $225.00 - Original price $225.00
Original price $225.00
Current price $207.00
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Current price $207.00
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Original price $300.00 - Original price $300.00
Original price $300.00
$300.00
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Current price $300.00

Limetone IRODORI Clean Boost Pedal w/ Mellow & Vivid Switch

Limetone

A booster that gives "colour" to the sound.It enhances the tone of the instrument and the amplifier, and boosts the level, so that the player is ...

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Original price $300.00 - Original price $300.00
Original price $300.00
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Current price $300.00
Original price $360.00 - Original price $360.00
Original price $360.00
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Current price $360.00

Limetone FOCUS-NX Studio Quality Compressor w/ Colour Knobs (2x Mid Controls) & Boost

Limetone

Compression, clean boost / gain boost, and midrange sound adjustments. It is a pedal with a completely new concept that allows you to control all ...

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Original price $360.00 - Original price $360.00
Original price $360.00
$360.00
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Current price $360.00
Original price $360.00 - Original price $360.00
Original price $360.00
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Current price $360.00

Limetone FOCUS Studio Quality Compressor Boost w/ Gain & EQ White

Limetone

Focus is a studio-grade compressor with Gain, Level, Bass and Treble control. The guitar's signal travels through the compression circuit, to Ga...

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Original price $360.00 - Original price $360.00
Original price $360.00
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Current price $360.00
Original price $192.00 - Original price $192.00
Original price $192.00
$192.00
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Current price $192.00

Greer Amps Moonshot Germanium Pre Pedal

Greer Amps

Enclosure Dimensions (in):  4.77" x 2.6" x 1.39" Power:  9 volt neg. center pin ONLY.   Current draw:  5mA.   The Greer Amps Moonshot is our take ...

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Original price $192.00 - Original price $192.00
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$192.00
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Current price $192.00
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Original price $225.00 - Original price $225.00
Original price $225.00
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Current price $225.00

Keeley KATANA Throwback White LIMITED EDITION +30dB DUAL FET Clean Boost

Keeley Electronics

You thought it was discontinued.. You thought the second hand price was ridiculous and only John Mayer could afford them for his backup boards,,...

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Original price $225.00 - Original price $225.00
Original price $225.00
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Current price $225.00
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Original price $337.00
Original price $337.00 - Original price $337.00
Original price $337.00
Current price $270.00
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Current price $270.00

Source Audio ZIO Analog Front End Boost pedal

Source Audio

The New Source Audio ZIO Analog Front End + Boost pedal comes with four distinct preamp circuits. JFET offers a completely transparent signal bo...

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Original price $337.00
Original price $337.00 - Original price $337.00
Original price $337.00
Current price $270.00
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Original price $623.00
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Original price $623.00
Current price $435.00
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Current price $435.00

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 $623.00
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Original price $623.00
Current price $435.00
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Original price $277.00 - Original price $277.00
Original price $277.00
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Current price $277.00

Benson Amps Germanium Boost Pedal

Benson Amps

When designing the temperature controlled fuzz, we tried some unusual approaches. One false start utilised a voltage controlled error correction...

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Original price $277.00 - Original price $277.00
Original price $277.00
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Original price $292.00 - Original price $292.00
Original price $292.00
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Current price $292.00

Keeley D&M Drive That Pedal Show's Signature Dual Overdrive

Keeley Electronics

It’s a dual overdrive that's the perfect storm of drive and boost.​ The 'Drive' side is all about Dan’s favourite kind of rich, harmonic gain and ...

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Original price $292.00 - Original price $292.00
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Original price $127.00 - Original price $127.00
Original price $127.00
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Current price $127.00

Keeley Katana MINI 4 Mode Booster

Keeley Electronics

The tastefully updated Mini Katana is now a 4 Mode Booster!  With the dual micro switches you have a total of four sounds possible.  Need drive,...

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Original price $127.00 - Original price $127.00
Original price $127.00
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Current price $127.00
Original price $465.00
Original price $465.00 - Original price $465.00
Original price $465.00
Current price $397.00
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Current price $397.00

Source Audio EQ2 Stereo Programmable Equalizer & Boost Pedal

Source Audio

Fine-tune Your Guitar’s Tone with This Flexible EQ The Source Audio EQ2 Programmable Equalizer adds 10 flexible bands of sonic sculpting to your ...

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Original price $465.00
Original price $465.00 - Original price $465.00
Original price $465.00
Current price $397.00
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Current price $397.00
Original price $300.00 - Original price $300.00
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Current price $300.00

Blackstar Dept. 10 BOOST Vacuum Tube Boost

Blackstar

Hit Your Amp Harder with Rich Tube Tone Equipped with a real ECC83 preamp tube, the Blackstar Department 10 Boost pedal is the perfect way to punc...

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

Creation Audio Labs FUNKULATOR Slap Bass Tone Shaper

Creation Audio Labs

The Funkulator Bass Tone Shaper Effect Pedal – Zero to Funk w/ One Click! The funky love-child of the acclaimed MK.4.23 and the Holy Fire; the Fu...

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Original price $225.00 - Original price $225.00
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Original price $82.00
Original price $82.00 - Original price $82.00
Original price $82.00
Current price $74.00
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Current price $74.00

Creation Audio Labs Ai1 Redeemer Buffer All-in-one Jack mount Buffer Installation Kit For Guitars & Passive Volume Pedals Mod

Creation Audio Labs

  Installation Guide PDF Download Why do you need a guitar pick-up buffer? Because your instrument's output is high impedance your pick-up will suf...

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Original price $82.00
Original price $82.00 - Original price $82.00
Original price $82.00
Current price $74.00
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Original price $277.00
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Original price $277.00
Current price $225.00
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Current price $225.00

Creation Audio Labs MK.4.23 Clean Boost Pure, Transparent, Noiseless Gain +24dB Boost

Creation Audio Labs

  The most transparent clean boost pedal on the planet. Simply put, this is the cleanest, quietest and most sonically transparent boost pedal...

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Original price $277.00
Original price $277.00 - Original price $277.00
Original price $277.00
Current price $225.00
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Current price $225.00
Original price $375.00 - Original price $375.00
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Current price $375.00

Effectrode Fire Bottle Boost FB-1A All-Tube Clean Boost Fitted w/ NOS Sylvania Tube

Effectrode

IMPORTANT NOTE - Effectrode pedals comes with a 12V centre positive (+) power supply with Australian power plug. Using a wrong power supply ca...

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Original price $375.00 - Original price $375.00
Original price $375.00
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Current price $375.00
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Original price $675.00 - Original price $675.00
Original price $675.00
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Current price $675.00

Effectrode Blackbird Preamp SR-71 All-Tube Preamp based on 'Blackface' Amp w/ JJ 12AX7 Tubes

Effectrode

IMPORTANT NOTE - Effectrode pedals comes with a 12V centre positive (+) power supply with Australian power plug. Using a wrong power supply c...

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

RJM OVERTURE Programmable Classic Overdrive w/ 12dB Pre Boost

RJM Music Technology

The Overture takes six great classic and modern overdrive tones and puts them all into one pedal.  Create up to 8 presets with your favourite set...

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Original price $450.00
Original price $450.00 - Original price $450.00
Original price $450.00
Current price $337.00
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Current price $337.00
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Original price $375.00
Original price $375.00 - Original price $375.00
Original price $375.00
Current price $315.00
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Current price $315.00

Mad Professor LOUD'N PROUD Vintage Marshall in a box w/ a Boost & Fuzz

Mad Professor

The vintage 4-input Marshall, just has that classic and rebellious rock tone we have all grown to love. It helped to define the classic hard rock t...

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Original price $375.00
Original price $375.00 - Original price $375.00
Original price $375.00
Current price $315.00
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Original price $300.00
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Original price $300.00
Current price $247.00
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Current price $247.00

Mad Professor RUBY RED BOOSTER NASHVILLE MOD Limited Editiion

Mad Professor

Nashville Hot Mids Solo Boost modded Ruby Red Booster - Limited Edition booster pedal now especially tailored for boosting and fattening your solos...

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

Mad Professor RUBY RED BOOSTER Two boosters & switchable buffer in One

Mad Professor

RUBY RED BOOSTER - A COMBINATION OF TWO BOOSTERS AND A SWITCHABLE BUFFER You can use Ruby Red Booster as a treble booster, a clean boost or an o...

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Original price $300.00
Original price $300.00 - Original price $300.00
Original price $300.00
Current price $247.00
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Current price $247.00
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Original price $465.00
Original price $465.00 - Original price $465.00
Original price $465.00
Current price $450.00
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Current price $450.00

Horizon Devices APEX PREAMP w/ Cab Sim & Noise Gate

Horizon Devices

Is your flubby sounding high-gain amp not doing your metal playing justice? The Horizon Devices Apex preamp is the answer to your tonal woes. Use...

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Original price $465.00
Original price $465.00 - Original price $465.00
Original price $465.00
Current price $450.00
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Current price $450.00
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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

Horizon Devices NANO ATTACK Overdrive Mini Pedal

Horizon Devices

Presenting the Precision Drive... but smaller and a whole lot simpler. The Horizon Devices Nano Attack provides the perfect modern metal drive i...

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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
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