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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.
When designing the temperature controlled fuzz, we tried some unusual approaches. One false start utilised a voltage controlled error correction...
View full detailsIt’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 ...
View full detailsThe 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,...
View full detailsFine-tune Your Guitar’s Tone with This Flexible EQ The Source Audio EQ2 Programmable Equalizer adds 10 flexible bands of sonic sculpting to your ...
View full detailsHit 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...
View full detailsThe 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...
View full details5.0 / 5.0
2 Reviews
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...
View full detailsThe 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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Effectrode | Fire Bottle Boost | FB-1A | All-Tube Clean Boost | Fitted w/ NOS Sylvania Tube
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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Effectrode | Blackbird Preamp | SR-71 | All-Tube Preamp based on 'Blackface' Amp | w/ JJ 12AX7 Tubes
5.0 / 5.0
1 Review
IMPORTANT NOTE - Effectrode pedals comes with a 12V centre positive (+) power supply with Australian power plug. Using a wrong power supply c...
View full detailsThe 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...
View full detailsThe 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...
View full detailsNashville Hot Mids Solo Boost modded Ruby Red Booster - Limited Edition booster pedal now especially tailored for boosting and fattening your solos...
View full detailsRUBY 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...
View full detailsIs 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...
View full detailsPresenting the Precision Drive... but smaller and a whole lot simpler. The Horizon Devices Nano Attack provides the perfect modern metal drive i...
View full detailsThe BROKEN ARROW is a very flexible overdrive with 4 presets for clipping options, an innovative gain adjustment feature that we call GAIN CY...
View full detailsCOMPRESSOR OVERVIEW As a compressor, the Bloom features an optical limiting circuit that takes its inspiration from compressors designed duri...
View full detailsThe Golden Boy Transparent Overdrive (designed in collaboration with Joey Landreth, of The Bros. Landreth fame) is the most versatile transparen...
View full detailsThe AMP MODE circuit is based on a MOSFET transistor which is a very popular type of transistor to use for boost circuits because it has many “am...
View full detailsthe BLOSSOM features an optical limiting circuit that takes its inspiration from compressors designed during the golden age of vacuum tube circui...
View full detailsThe PRISM was designed using a systems approach to tone shaping. While the PRISM contains many features and circuits, those circuits are precise...
View full details5.0 / 5.0
1 Review
The PRISM was designed using a systems approach to tone shaping. While the PRISM contains many features and circuits, those circuits are precise...
View full detailsCOMPRESSOR OVERVIEW As a compressor, the Bloom features an optical limiting circuit that takes its inspiration from compressors designed duri...
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