hello@gsus4.com.au
hello@gsus4.com.au
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.
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...
View full detailsWe 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...
View full detailsLee Custom Amp TX-1 is transformer amplified clean boost, manufactured with clear anodised aluminium machined chassis, CTS pot, and Point-to-Poi...
View full detailsThe 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...
View full detailsBeeline 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...
View full detailsThere 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, 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...
View full details"The C10H12N2O / Serotonin was developed to provide the rich midrange and smooth picking response of the Tube Screamer. The "C10H12N2O / Seroto...
View full detailsPremium quality distortion pedal "All in all, the Mighty Red Distortion might be offering a very signature sound, but it can also deliver tons mo...
View full detailsLily 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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1 Review
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...
View full details5.0 / 5.0
2 Reviews
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...
View full detailsThe 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 ...
View full detailsThe Engine is a highly versatile and fully analog foundation preamp pedal with distinct voicing inspired by 60’s British classic ampsand sounds. ...
View full detailsOne 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...
View full details5.0 / 5.0
1 Review
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...
View full detailsIf 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...
View full detailsThe 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...
View full detailsClassic 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...
View full detailsAhoy 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...
View full detailsIntroducing 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 ...
View full detailsThe Catalinbread Naga Viper is Catalinbread's take on the classic Dallas Rangemaster Treble Booster with added features allowing users to dial i...
View full detailsTony Iommi + Treble Booster + Laney Supergroup "Transform any guitar rig into a rig of doom with the Sabbra Cadabra."Tony Iommi arguably had t...
View full detailsAs 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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