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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.

Pedals & Effects - Gsus4
Source Audio | ZIO | Analog Bass Preamp & DI Pedal (SA - ZIOBASS) - Gsus4
Source Audio | ZIO | Analog Bass Preamp & DI Pedal (SA - ZIOBASS) - Gsus4
$442.00
$442.00 - $442.00
$442.00
$372.00
$372.00 - $372.00
$372.00

Source Audio ZIO Analog Bass Preamp & DI Pedal

Source Audio

The ZIO Analog Bass Preamp + DI is an ultra-low noise, all-analog tone shaping tool voiced specifically for bass. Bass ZIO offers an expansive ran...

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$442.00
$442.00 - $442.00
$442.00
$372.00
$372.00 - $372.00
$372.00
Jad & Freer Audio | SISMA | Hybrid Tube & Class - G Bass Amp Head | Made in Italy | PRE - ORDER (JadFreer - Sisma - Amp) - Gsus4
Jad & Freer Audio | SISMA | Hybrid Tube & Class - G Bass Amp Head | Made in Italy | PRE - ORDER (JadFreer - Sisma - Amp) - Gsus4
$2,323.00 - $2,323.00
$2,323.00
$2,323.00
$2,323.00 - $2,323.00
$2,323.00

Jad & Freer Audio SISMA Hybrid Tube & Class-G Bass Amp Head Made in Italy PRE-ORDER

Jad & Freer Audio

THE GAME CHANGER: A must-have for any gigging musicians After many years spent building custom amps, SISMA is the first official bass amp release ...

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$2,323.00 - $2,323.00
$2,323.00
$2,323.00
$2,323.00 - $2,323.00
$2,323.00
Crazy Tube Circuits | PLANET B Plus | Preamp & Overdrive for Bass (CTC - Planet - B) - Gsus4 Sold out
$270.00 - $270.00
$270.00
$270.00
$270.00 - $270.00
$270.00

Crazy Tube Circuits PLANET B Plus Preamp & Overdrive for Bass

Crazy Tube Circuits

Voiced after a 70s high wattage guitar tube amp that was also used on bass guitar in rock, doom, sludge and stoner bands. Gain control provides a...

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$270.00 - $270.00
$270.00
$270.00
$270.00 - $270.00
$270.00
Sold out
Contact For Availability
Benson Amps | PREAMP | Wolf Shirt Finish | Based on Chimera Amps | LIMITED EDITION (Bensom - Preamp - wolf) - Gsus4 Sold out
$337.00 - $337.00
$337.00
$337.00
$337.00 - $337.00
$337.00

Benson Amps PREAMP Wolf Shirt Finish Based on Chimera Amps LIMITED EDITION

Benson Amps

The Benson Preamp Pedal now in a limited Wolf Shirt finish! The Benson Preamp Pedal captures the preamp of the Chimera 30 amplifier. It adds gri...

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$337.00 - $337.00
$337.00
$337.00
$337.00 - $337.00
$337.00
Sold out
Contact For Availability
KarDian | Y.O.S Smoggy | On Board Overdrive Character Module (Kar - SMOGGY) - Gsus4
KarDian | Y.O.S Smoggy | On Board Overdrive Character Module (Kar - SMOGGY) - Gsus4
$300.00 - $300.00
$300.00
$300.00
$300.00 - $300.00
$300.00

KarDian Y.O.S Smoggy On Board Overdrive Character Module

KarDiaN

Inheriting the DNA of the Smoggy OverdriveIn 2015, the legendary Smoggy Overdrive pedal was created by Mr. Yoshida of Y.O.S. Guitars. 3 Knobs is th...

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$300.00 - $300.00
$300.00
$300.00
$300.00 - $300.00
$300.00
Jad & Freer Audio | CAPO | 4 - in - 1 Multi - Preamp, Saturator, DI & FX Loop for Bass (JadFreer - CAPO) - Gsus4
Jad & Freer Audio | CAPO | 4 - in - 1 Multi - Preamp, Saturator, DI & FX Loop for Bass (JadFreer - CAPO) - Gsus4
$824.00 - $824.00
$824.00
$824.00
$824.00 - $824.00
$824.00

Jad & Freer Audio CAPO 4-in-1 Multi-Preamp, Saturator, DI & FX Loop for Bass

Jad & Freer Audio

"STUDIO-IN-A-BOX" The CAPO is a powerful preamp and D.I. capable of studio-grade clean sounds, harmonic saturations and everything in between...

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$824.00 - $824.00
$824.00
$824.00
$824.00 - $824.00
$824.00
Aguilar | DB925 | Bass Preamp Pedal | Broadband EQ Bass & Treble (db - 925) - Gsus4
$300.00
$300.00 - $300.00
$300.00
$240.00
$240.00 - $240.00
$240.00

Aguilar DB925 Bass Preamp Pedal Broadband EQ Bass & Treble

Aguilar

Inspired by its predecessor, the legendary DB 924, this discrete all-FET preamp delivers powerful broadband boost in a lightweight, space saving ...

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$300.00
$300.00 - $300.00
$300.00
$240.00
$240.00 - $240.00
$240.00
Strymon | DECO V2 | Tape Saturation & Doubletracker Delay Pedal | w/ Analogue JFET & ARM DSP (SN - DECO - 2) - Gsus4
Strymon | DECO V2 | Tape Saturation & Doubletracker Delay Pedal | w/ Analogue JFET & ARM DSP (SN - DECO - 2) - Gsus4
$562.00
$562.00 - $562.00
$562.00
$450.00
$450.00 - $450.00
$450.00

Strymon DECO V2 Tape Saturation & Doubletracker Delay Pedal w/ Analogue JFET & ARM DSP

Strymon

There's something undeniably special regarding the characteristic odd-order harmonic saturation and unpredictable artifacts that occur when using...

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$562.00
$562.00 - $562.00
$562.00
$450.00
$450.00 - $450.00
$450.00
LR Baggs | STADIUM DI | Studio - Grade | Bass DI | Stage Use (LRBSTADIUMDI) - Gsus4
LR Baggs | STADIUM DI | Studio - Grade | Bass DI | Stage Use (LRBSTADIUMDI) - Gsus4
$524.00
$524.00 - $524.00
$524.00
$464.00
$464.00 - $464.00
$464.00

LR Baggs STADIUM DI Studio-Grade Bass DI

LR Baggs

Originally developed by the bass playing engineers at LR Baggs for their own use, the Stadium Electric Bass DI infuses your signal with a blend o...

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$524.00
$524.00 - $524.00
$524.00
$464.00
$464.00 - $464.00
$464.00
Tech 21 | SansAmp | BASS DRIVER V2 | Preamp & DI (BSDRV2) - Gsus4
Tech 21 | SansAmp | BASS DRIVER V2 | Preamp & DI (BSDRV2) - Gsus4
$457.00
$457.00 - $457.00
$457.00
$412.00
$412.00 - $412.00
$412.00

Tech 21 SansAmp BASS DRIVER V2 Preamp & DI

Tech 21

Much more than just a direct box, the SansAmp Bass Driver DI is capable of dialing up big vintage tube tones, bright modern slap sounds, gnarly ...

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$457.00
$457.00 - $457.00
$457.00
$412.00
$412.00 - $412.00
$412.00
Tech 21 | SansAmp VT Bass DI | SVT® - Style Preamp & DI (CS - VTB - DI) - Gsus4
Tech 21 | SansAmp VT Bass DI | SVT® - Style Preamp & DI (CS - VTB - DI) - Gsus4
$487.00
$487.00 - $487.00
$487.00
$412.00
$412.00 - $412.00
$412.00

Tech 21 SansAmp VT Bass DI SVT®-Style Preamp & DI

Tech 21

For the pro on the go, the VT Bass DI covers a lot of ground in a small footprint. This multi-function, multi-application format features three ...

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$487.00
$487.00 - $487.00
$487.00
$412.00
$412.00 - $412.00
$412.00
IK Multimedia | Z - Tone Buffer Boost | +10dB Switchable Boost (IKMT_IP - ZTONE - BB) - Gsus4
IK Multimedia | Z - Tone Buffer Boost | +10dB Switchable Boost (IKMT_IP - ZTONE - BB) - Gsus4
Sold out
$218.00 - $218.00
$218.00
$262.00
$262.00 - $262.00
$262.00

IK Multimedia Z-Tone Buffer Boost +10dB Switchable Boost

IK Multimedia

Variable-Z JFET Preamp Pedal with +10dB Switchable Boost The switchable preamps and variable input impedance of IK Multimedia's AXE I/O series...

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$218.00 - $218.00
$218.00
$262.00
$262.00 - $262.00
$262.00
Sold out
Contact For Availability
Benson Amps | PREAMP | Based on Chimera Amps (Bensom - Preamp) - Gsus4
Benson Amps | PREAMP | Based on Chimera Amps (Bensom - Preamp) - Gsus4
$337.00 - $337.00
$337.00
$337.00
$337.00 - $337.00
$337.00

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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$337.00 - $337.00
$337.00
$337.00
$337.00 - $337.00
$337.00
Creation Audio Labs | FUNKULATOR | Slap Bass Tone Shaper (CreationAudioLabs-FUNKULATOR) - Gsus4
$225.00 - $225.00
$225.00
$225.00
$225.00 - $225.00
$225.00

Creation Audio Labs FUNKULATOR Slap Bass Tone Shaper

Creation Audio Labs

The 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...

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$225.00 - $225.00
$225.00
$225.00
$225.00 - $225.00
$225.00
Creation Audio Labs | GRIZZLY BASS | Bass Overdrive, Distortion & Tone Shaping (CreationAudioLabs - Grizzly Bass) - Gsus4
Creation Audio Labs | GRIZZLY BASS | Bass Overdrive, Distortion & Tone Shaping (CreationAudioLabs-Grizzly Bass) - Gsus4
Sold out
$334.00
$334.00 - $334.00
$334.00
$300.00
$300.00 - $300.00
$300.00

Creation Audio Labs GRIZZLY BASS Bass Overdrive, Distortion & Tone Shaping

Creation Audio Labs

Grizzly Bass is a different kind of animal created with the pro player in mind. Like a tube pre-amp but without the fragile tubes or heavy transfo...

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$334.00
$334.00 - $334.00
$334.00
$300.00
$300.00 - $300.00
$300.00
Sold out
Contact For Availability
29 Pedals | OAMP | The Output Driver | Output Buffer / Boost | The Ultimate "TONE SUCK" Cure | SYDNEY PICK - UP ONLY (29 - OAMP) - Gsus4
29 Pedals | OAMP | The Output Driver | Output Buffer / Boost | The Ultimate "TONE SUCK" Cure | SYDNEY PICK - UP ONLY (29 - OAMP) - Gsus4
$397.00 - $397.00
$397.00
$397.00
$397.00 - $397.00
$397.00

29 Pedals OAMP The Output Driver Output Buffer / Boost The Ultimate "TONE SUCK" Cure

29 Pedals

OAMP is the Output AMPlifier from 29 Pedals.An output driver that replaces conventional buffers, line drivers and preamps, OAMP makes up to ...

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$397.00 - $397.00
$397.00
$397.00
$397.00 - $397.00
$397.00
29 Pedals | EUNA | Elite Unity Amplifier | The Ultimate "TONE SUCK" Cure (29 - EUNA) - Gsus4
29 Pedals | EUNA | Elite Unity Amplifier | The Ultimate "TONE SUCK" Cure (29 - EUNA) - Gsus4
$367.00 - $367.00
$367.00
$367.00
$367.00 - $367.00
$367.00

29 Pedals EUNA Elite Unity Amplifier The Ultimate "TONE SUCK" Cure

29 Pedals

EUNA is handmade by 29 Pedals in California. Every component is hand-fitted and tested, including surface-mount parts.Even a few true-bypass ...

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$367.00 - $367.00
$367.00
$367.00
$367.00 - $367.00
$367.00