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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 $279.00 - Original price $279.00
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JHS | Milkman | Slap Echo Delay w/ Boost

JHS Pedals

The JHS Pedals Milkman began with a conversation between Josh Scott and Tim Marcus of Milkman Sound. Tim wanted a pedal that could pair perfec...

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Original price $279.00 - Original price $279.00
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Original price $319.00
Original price $319.00 - Original price $319.00
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Current price $299.00
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Current price $299.00

Xotic | RC Booster CLASSIC | Super Transparent Clean Boost

Xotic Effects

We are very excited to announce our best selling RC Booster is back in the original design with a limited edition package and special swag! This i...

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Original price $319.00
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Current price $299.00
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Original price $419.00 - Original price $419.00
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Lee Custom Amp | TX-1 | Transformer Amplified Clean Boost | w/ 140dB S/N Ratio

Lee Custom Amp

Lee Custom Amp TX-1 is transformer amplified clean boost, manufactured with clear anodised aluminium machined chassis, CTS pot, and Point-to-Poi...

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Original price $325.00
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Current price $295.00
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Empress Effects | BUFFER+ | w/ Noise Filter & Boost | Complete Input & Output for Pedalboard

Empress Effects

The Empress buffer+ was designed to be the complete I/O interface for the pedal board, while maintaining the highest fidelity to your guitar’s si...

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Original price $325.00
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Current price $295.00
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KarDian | IRODORI | On Board Preamp Boost Character Module

KarDiaN

Beeline Treatment by irodori onboard"irodori" was born in 2017 by Mr. Imanishi of Limetone Audio. It was the winner of that year's effects contest...

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KarDiaN | Nitroglycerin | C3H5N3O9 | Overdrive Distortion | Made in Japan

KarDiaN

There are a lot of pedal-type overdrives out there, but most of them don't have the grainy, biting compression of a tube amp distortion, a...

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KarDiaN | Serotonin 5th Limited Edition | C10H12N2O | Overdrive & Boost based on TS5 | Made in Japan

KarDiaN

KarDiaN, a pedal brand born in 2017, is now celebrating its 5th anniversary. This year, we will produce a pedal named after the number "5," whic...

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KarDiaN | Serotonin | C10H12N2O | Overdrive & Boost Based on Tube Screamer | Made in Japan

KarDiaN

"The C10H12N2O / Serotonin was developed to provide the rich midrange and smooth picking response of the Tube Screamer. The "C10H12N2O / Seroto...

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Current price $329.00
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Mad Professor | MIGHTY RED Distortion | PCB

Mad Professor

Premium quality distortion pedal "All in all, the Mighty Red Distortion might be offering a very signature sound, but it can also deliver tons mo...

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Original price $399.00
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Red Witch | LILY Boost | Seven Sisters | Transparent Boost | w/ Built-in Li-Ion Battery

Red Witch

Lily is simply the boost to end all boosts. A truly transparent tone retaining desert island clean pedal The pure sister – offering a gorgeous cle...

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Original price $199.00 - Original price $199.00
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Browne Amp | THE FIXER | Buffer w/ Dual Boost | Made for Dual Guitar Setups

Browne Amplification

THE FIXER - WHAT IS IT? Every guitarist loves buying pedals, we can't help it. Show us a flashy new pedal and we will sell a vital organ to make...

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Current price $489.00
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Jackson Audio | 1484 TWIN TWELVE | Based on The Silvertone Amplifier

Jackson Audio

In 1963, history was made with the release of the Silvertone Twin Twelve Amplifier.Originally listed in the sears catalog as the 1484, the Twin Tw...

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Greer Amps | Sure Shot | Clipping Boost

Greer Amps

The sound of an amp, barely holding itself together is something to behold.  The tone of a good amp walking the knife edge between clean and ...

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Original price $525.00 - Original price $525.00
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Drybell | The Engine | Foundation Preamp | Treble Booster & EQ | Plexi in a Box

Drybell

The Engine is a highly versatile and fully analog foundation preamp pedal with distinct voicing inspired by 60’s British classic ampsand sounds. ...

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Original price $525.00 - Original price $525.00
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Catalinbread | Skewer | Treble Booster | Based on the Blackmore Hornby-Skewes

Catalinbread

One of Blackmore’s most recognizable pieces of gear is his old Hornby-Skewes Treble Booster, a version of the classic effect used by too many art...

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Original price $229.00 - Original price $229.00
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Catalinbread | Epoch Boost EP-3 | Preamp, Buffer & Boost

Catalinbread

The Epoch Boost simplifies the Catalinbread Epoch Pre into a pedalboard-friendly an exact-replica of the infamous EP-3 preamp (even down to mixer...

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Original price $229.00 - Original price $229.00
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Original price $289.00 - Original price $289.00
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Catalinbread | Dirty Little Secret Mk3 Red | Hot Rod Marshall in a Box

Catalinbread

If the classic Dirty Little Secret MKIII is your war-tested Marshall Plexi sidearm, Catalinbread’s DLS Red is a finely-tuned and well-oiled (figu...

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Original price $289.00 - Original price $289.00
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Original price $495.00 - Original price $495.00
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Drybell | UNIT67 | Compressor | Boost | EQ

Drybell

The Unit67 is a compact and fully analog device that has a highly versatile EQ set including a „Rangemaster-like“ mid control, a boost and an 117...

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Original price $495.00 - Original price $495.00
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Original price $279.00
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Current price $249.00
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Catalinbread | Dirty Little Secret Mk3 | Marshall in a Box

Catalinbread

Classic plexi to early 70s Marshall Super Lead and Super Bass sound and response “Clearly I get to play a lot of pedals and quite frankly I was s...

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Original price $279.00
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Original price $279.00
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Current price $225.00
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Catalinbread | Tribute | Low Gain Overdrive & Vari O Boost | w/ EQ

Catalinbread

Ahoy ahoy, you’ve just accessed the lore of the Tribute, a pedal that literally every guitarist needs. Yes, even you, outlaw country fan, and yo...

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Original price $279.00
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Original price $279.00
Current price $225.00
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Original price $419.00 - Original price $419.00
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JET Pedals | MR JAX | Chris Rocha Signature Series | Overdrive | Distortion

JET Pedals

Introducing MR JAX, our first pedal in a new series called the "Signature Series". Our first official JET artist is Chris Rocha, Chris is a two ...

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Original price $419.00 - Original price $419.00
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Catalinbread | Naga Viper MK1 | Treble Booster Pedal

Catalinbread

The Catalinbread Naga Viper is Catalinbread's take on the classic Dallas Rangemaster Treble Booster with added features allowing users to dial i...

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Original price $279.00 - Original price $279.00
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Original price $279.00
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Original price $279.00
Current price $249.00
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Current price $249.00

Catalinbread | Sabbra Cadabra | Treble Boost / Overdrive Pedal

Catalinbread

Tony Iommi + Treble Booster + Laney Supergroup   "Transform any guitar rig into a rig of doom with the Sabbra Cadabra."Tony Iommi arguably had t...

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Original price $279.00
Original price $279.00 - Original price $279.00
Original price $279.00
Current price $249.00
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Current price $249.00
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Original price $319.00 - Original price $319.00
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Surfy Industries | Blossom Point V2 | Boost based on Fender Showman Amp

Surfy Industries

As big fans of the so-called "brownface" Fender® amplifiers of the early 60s (1960-1963), we have long been thinking of producing an enhancing d...

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Original price $319.00 - Original price $319.00
Original price $319.00
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Current price $319.00