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.
We’ve all had those late nights, filled with loud music, questionable decisions, and the occasional run-in with a big, beastly monster that want...
View full detailsThe Turbo RAT is the most intense pedal in the RAT family. For those brave enough to harness its power, it provides a palette of distortion unequ...
View full detailsThe RAT2 will be your go-to distortion pedal for every gig, whether it’s rock, blues, punk, or jazz. This is the standard that all other distortio...
View full detailsKatzenkönig. The Cat KingWe combined the best elements of a Tone Bender MkII fuzz with a Rat distortion to create something that sings like a fuz...
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 Ratatouille Distortion was inspired by the 80's Pro Co RAT Distortion Pedal it features an original circuit that has an amp like distortion w...
View full detailsWhat is the Queen Bee?The Custom Shop Queen Bee is powered by 3 x New Old Stock Military “Flying Saucer” germanium transistors in an original desi...
View full detailsThe mighty PlimSoul returns!...and the MkII is better than ever, with:Clipping = Distortion, and for many years we’ve only been offered two clippi...
View full detailsI recently found/bought a couple thouusand excellent BC108C transistors, so am happy to announce the return of the 70 pedal...this time, in a sma...
View full detailsSince its introduction in 2004, the Fulltone OCD (Obsessive Compulsive Drive) pedal has been the go-to dirt box for countless guitarists around the...
View full detailsFeaturing 3 x hand-picked New old Stock BC184C discrete transistors, this spicy number is capable of vicious, massive sounding Distortion/Fuzz th...
View full detailsA drive pedal that has both power and sound omission without crushing picking nuances while having high gain.The simple operation of level, gai...
View full detailsClassic British Style Distortion Pedal - 2 modes; bright and normal - Volume, tone and gain control - True bypass - Recreation of 70-80s Marshall a...
View full detailsVintage distortion pedal - Volume, tone and sustain control - True bypass - Rich and creamy fuzz tone, based on the 1st version EH Big Muff (tra...
View full detailsdUg Pinnick. Unmistakable in every way --that voice, the songwriting, his style, and, of course, the dUg tone. A super-compact adaptation of his...
View full detailsHotone 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...
View full detailsPowerful DSP Puts AmpliTube Distortion on Your Pedalboard With powerful onboard DSP, the IK Multimedia X-Drive Distortion Pedal puts 16 player-...
View full detailsA Must-Have Stompbox for Fuzz Connoisseurs If you consider yourself a fuzz pedal connoisseur, the Jackson Audio FUZZ was created with you in mind....
View full detailsKeeley Electronics, the leading manufacturer of pedals built in the U.S., announces the release of our most potent and aggressive metal stompbox...
View full detailsThe Iron Horse is our take on a classic distortion circuit that’s thick, punchy, riffy, and rowdy. With the help of the Si/LED knob and wide range ...
View full detailsPremium Filter, Octave, and Distortion FX for Your Guitar or Bass Source Audio poured their extensive filter design expertise into the Spectrum I...
View full detailsThe Only Bass Distortion Pedal You Need Out of the box, Source Audio's Aftershock bass distortion pedal packs three potent overdrive engines to...
View full detailsTransform Your Guitar Tone with Multiband Saturation and Tremolo It's safe to say bands like Muse and Rage Against the Machine wouldn't have mad...
View full detailsTransform Your Bass Tone with Multiband Saturation and Tremolo If you're a bass player with an ear for nontraditional fuzz/distortion sounds and...
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