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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 $489.00
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Current price $399.00
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A3 Stompbox | The Custom Expression Pedal | Stainless | Mini

A3 Stompbox

"The best volume pedal ever with the perfect throw and curve."- Michael Thompson"This is great."- Melvin Davis"So smooth"- Nigel Hendroff"FI...

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Original price $489.00
Original price $489.00 - Original price $489.00
Original price $489.00
Current price $399.00
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Current price $349.00
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Mad Professor | SNOW WHITE | Auto Wah

Mad Professor

The New Snow White AutoWah (GB) is a combination of the previous Snow White AutoWah and the Snow White Bass AutoWah pedals. Now both of those fab...

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Original price $399.00
Original price $399.00 - Original price $399.00
Original price $399.00
Current price $349.00
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Original price $449.00 - Original price $449.00
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Benson Amps | PREAMP | Based on Chimera Amps

Benson Amps

The Benson Preamp Pedal captures the preamp of the Chimera 30 amplifier. It adds grit and thickness to your tone and will give you those fat Ame...

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Original price $449.00 - Original price $449.00
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Original price $529.00 - Original price $529.00
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Benson Amps | Temperature Controlled GERMANIUM FUZZ | Studio Black

Benson Amps

The Benson Germanium Fuzz is influenced by classic '60s fuzz topology, using a pair of meticulously-matched 2N527 transistors. However, Benson h...

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Original price $529.00 - Original price $529.00
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Original price $599.00 - Original price $599.00
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Current price $599.00

A3 Stompbox | The Custom Volume & Expression Pedal | w/ Built-in TC Polytune & Bonafide Buffer | Mini

A3 Stompbox

This is a Custom Unit Made for Gsus4 by A3 Stompbox. Features, 1x Input Jack (TS) // 1x Output Jack (TS) for Volume Control 1x Output Jack (TRS) fo...

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Original price $599.00 - Original price $599.00
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Original price $529.00 - Original price $529.00
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Benson Amps | Temperature Controlled GERMANIUM FUZZ | Snow White

Benson Amps

The Benson Germanium Fuzz is influenced by classic '60s fuzz topology, using a pair of meticulously-matched 2N527 transistors. However, Benson ha...

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Original price $529.00 - Original price $529.00
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Original price $369.00 - Original price $369.00
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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 $369.00 - Original price $369.00
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Original price $299.00 - Original price $299.00
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Keeley | Roto Sonic | Rotary, Vibro & U-Vibe | Custom Shop Ltd Edition Pedal

Keeley Electronics

The Keeley Roto Sonic features three Dopple-Swirly-Vibey sounds! It’s a three-mode pedal with custom crafted rotary speaker effects. The three mo...

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Original price $599.00
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Current price $499.00
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Jackson Audio | FUZZ | Modular Fuzz w/ EQ & Octaver

Jackson Audio

A Must-Have Stompbox for Fuzz Connoisseurs If you consider yourself a fuzz pedal connoisseur, the Jackson Audio FUZZ was created with you in mind....

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Original price $599.00
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Current price $499.00
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Original price $899.00
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Current price $849.00
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Jad & Freer Audio | KLONE | Authentic Sound of Klon Overdrive S.N. 3157

Jad & Freer Audio

Faithful copy of the original Klon Centaur Professional Overdrive S.N. 3157, with certificate of authenticity. “The instrument Klone is guaranteed...

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Original price $899.00
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Original price $229.00 - Original price $229.00
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Keeley | Compressor PLUS | 4-Knob Compressor Pedal

Keeley Electronics

Keeley's compressor pedals have gathered worldwide acclaim, and the Keeley Compressor Plus pedal continues the trend by incorporating player-req...

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Original price $229.00 - Original price $229.00
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Original price $339.00 - Original price $339.00
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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...

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Original price $339.00 - Original price $339.00
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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
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Original price $249.00 - Original price $249.00
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Keeley | Fuzz Bender | Three Transistor, Modern Fuzz | w/ Active EQ

Keeley Electronics

The Keeley Fuzz Bender is a three transistor modern fuzz using a combination of high-gain silicon and smooth-toned germanium.  What sets the Fuzz...

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Original price $249.00 - Original price $249.00
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Original price $389.00 - Original price $389.00
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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 $389.00 - Original price $389.00
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Original price $169.00 - Original price $169.00
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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 $169.00 - Original price $169.00
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Original price $479.00 - Original price $479.00
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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
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Original price $329.00 - Original price $329.00
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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 ...

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Original price $329.00 - Original price $329.00
Original price $329.00
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Keeley | ARIA | Compressor & Overdrive | 2-in-1 Effects Pedal

Keeley Electronics

Improvements for 2020 include easy access to TRS function and Compressor ATTACK via slide switch ports on the right side wall of the pedal. NO MOR...

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

Keeley | ECCOS | Delay & Looper | Ture Stereo Neo Vintage

Keeley Electronics

The new true-stereo Keeley ECCOS artfully combines a delay pedal and a looper.  At the heart of the ECCOS is a neo-vintage delay with unprecedent...

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Original price $419.00 - Original price $419.00
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Original price $249.00 - Original price $249.00
Original price $249.00
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Keeley | Super Phat Mod | Transparent Overdrive

Keeley Electronics

The original pedal was a great design that features tube-like amp stages, tube amp tone stacks, and a variety of tone shaping circuits that bring...

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Original price $249.00 - Original price $249.00
Original price $249.00
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Original price $329.00 - Original price $329.00
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Keeley | Bassist Limiting Amplifier | Performance Compression for Bass

Keeley Electronics

BASS COMPRESSION The Keeley Bassist Compressor provides true high-fidelity compression and limiting. Be heard and felt using performance compres...

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Original price $329.00 - Original price $329.00
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Original price $329.00 - Original price $329.00
Original price $329.00
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Keeley | Bubble Tron | Filter, Sample & Hold | w/ Dynamic Flanger & Phaser

Keeley Electronics

The Keeley Bubble Tron Dynamic Flanger Phaser and Random Synth Filter has three modes of operation. The Flanger section of the pedal draws on ins...

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Original price $329.00 - Original price $329.00
Original price $329.00
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Original price $299.00 - Original price $299.00
Original price $299.00
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Keeley | Synth-1 | Guitar Triggered Wave Generator

Keeley Electronics

Synth-1 Reverse Attack Fuzz Wave Generator The Keeley Synth-1 is a guitar-triggered, single-note wave generator.  You control the tone of the wav...

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