Skip to content

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
Original price $225.00 - Original price $225.00
Original price $225.00
$225.00
$225.00 - $225.00
Current price $225.00

Empirical Labs AROUSOR Original EL8 Distressor Plug-in by Empirical Labs

Empirical Labs

Arousor is the first compressor plug-in from Empirical Labs, coming two decades after the release of the company's legendary Distressor hardware ...

View full details
Original price $225.00 - Original price $225.00
Original price $225.00
$225.00
$225.00 - $225.00
Current price $225.00
Original price $165.00 - Original price $165.00
Original price $165.00
$165.00
$165.00 - $165.00
Current price $165.00

Empirical Labs BIG FrEQ EQ Plug-in Parametric EQ w/ Highpass, Lowpass & Harmonic Saturation

Empirical Labs

Empirical Labs BIG FrEQ offers extensive sound-shaping capabilities, along with an analog-flavoured sound that will add muscle to everything you ru...

View full details
Original price $165.00 - Original price $165.00
Original price $165.00
$165.00
$165.00 - $165.00
Current price $165.00
Original price $3,525.00
Original price $3,525.00 - Original price $3,525.00
Original price $3,525.00
Current price $2,992.00
$2,992.00 - $2,992.00
Current price $2,992.00

Empirical Labs ELQ Lil FrEQ Parametric EQ w/ DeEsser, High & Low Shelving

Empirical Labs

The Lil FrEQ is designed to be most of what an engineer needs crammed into a single-rackspace unit. Included in this great-sounding box is a great ...

View full details
Original price $3,525.00
Original price $3,525.00 - Original price $3,525.00
Original price $3,525.00
Current price $2,992.00
$2,992.00 - $2,992.00
Current price $2,992.00
Original price $885.00 - Original price $885.00
Original price $885.00
$892.00
$892.00 - $892.00
Current price $892.00

Empirical Labs PUMP EL-P VCA Compressor Based on EL8 Distressor 500 Series

Empirical Labs

Need an excellent compressor but you’re short on rack space? You can “de-stress” by purchasing the Empirical Labs Pump 500 Series Compressor! Chann...

View full details
Original price $885.00 - Original price $885.00
Original price $885.00
$892.00
$892.00 - $892.00
Current price $892.00
Sold out
Original price $1,200.00 - Original price $1,200.00
Original price $1,200.00
$1,200.00
$1,200.00 - $1,200.00
Current price $1,200.00

Empirical Labs DocDerr Channel Strip w/ Preamp, EQ, Tape Emulation & Mix Knob 500 Series

Empirical Labs

Empirical Labs created the DocDerr 500 Series channel strip module to give your signal impressive punch in any mix - and to put you in complete con...

View full details
Original price $1,200.00 - Original price $1,200.00
Original price $1,200.00
$1,200.00
$1,200.00 - $1,200.00
Current price $1,200.00
Original price $600.00 - Original price $600.00
Original price $600.00
$600.00
$600.00 - $600.00
Current price $600.00

Empirical Labs EL-DS DerrEsser V DeEsser & Dynamic Filter 500 Series

Empirical Labs

Empirical Labs' DerrEsser brings multi-function dynamic filtering to the API 500 series module format. At its most basic, the DerrEsser is an effec...

View full details
Original price $600.00 - Original price $600.00
Original price $600.00
$600.00
$600.00 - $600.00
Current price $600.00
Sold out
Original price $2,175.00 - Original price $2,175.00
Original price $2,175.00
$2,175.00
$2,175.00 - $2,175.00
Current price $2,175.00

Empirical Labs EL-9 Mike-E Microphone Preamp & Compressor / Saturator

Empirical Labs

Empirical Labs’ Mike-E channel strip manages to do many things very well! First and foremost, it’s a modern digitally controlled mic preamp. An ext...

View full details
Original price $2,175.00 - Original price $2,175.00
Original price $2,175.00
$2,175.00
$2,175.00 - $2,175.00
Current price $2,175.00
Sold out
Original price $3,075.00 - Original price $3,075.00
Original price $3,075.00
$3,075.00
$3,075.00 - $3,075.00
Current price $3,075.00

Empirical Labs EL7x FATSO Full Stereo Analog Tape Emulator & Optimiser w/ Knee Compressor

Empirical Labs

This is What's Missing from Your Mix The Empirical Labs Fatso EL7x adds even more sonic goodness to the original Fatso analog tape simulator, ...

View full details
Original price $3,075.00 - Original price $3,075.00
Original price $3,075.00
$3,075.00
$3,075.00 - $3,075.00
Current price $3,075.00
Original price $4,125.00 - Original price $4,125.00
Original price $4,125.00
$4,125.00
$4,125.00 - $4,125.00
Current price $4,125.00

Empirical Labs EL8-XS Distressor Stereo PAIR British Mode & Stereo Image Link Compressor / Limiter

Empirical Labs

The Empirical Labs Distressor EL8-X single-channel analog compressor adds some distinctive British flabour to an already outstanding unit! The EL8-...

View full details
Original price $4,125.00 - Original price $4,125.00
Original price $4,125.00
$4,125.00
$4,125.00 - $4,125.00
Current price $4,125.00
Original price $2,175.00 - Original price $2,175.00
Original price $2,175.00
$2,175.00
$2,175.00 - $2,175.00
Current price $2,175.00

Empirical Labs EL8-X Distressor British Mode & Stereo Image Link Compressor / Limiter

Empirical Labs

The Empirical Labs Distressor EL8-X single-channel analog compressor adds some distinctive British flabour to an already outstanding unit! The EL8-...

View full details
Original price $2,175.00 - Original price $2,175.00
Original price $2,175.00
$2,175.00
$2,175.00 - $2,175.00
Current price $2,175.00
Sold out
Original price $3,600.00 - Original price $3,600.00
Original price $3,600.00
$3,600.00
$3,600.00 - $3,600.00
Current price $3,600.00

Empirical Labs EL8-S Distressor Stereo PAIR Compressor / Limiter

Empirical Labs

The Empirical Labs "Distressor" is an analog compressor similar to the ELI8M Single Channel Distressor, but in a stereo/dual mono channel package. ...

View full details
Original price $3,600.00 - Original price $3,600.00
Original price $3,600.00
$3,600.00
$3,600.00 - $3,600.00
Current price $3,600.00
Sold out
Original price $1,875.00 - Original price $1,875.00
Original price $1,875.00
$1,875.00
$1,875.00 - $1,875.00
Current price $1,875.00

Empirical Labs EL8 Distressor Compressor / Limiter

Empirical Labs

The four large white knobs gleam at you as you enter the control room, announcing that this is not going to be your ordinary dynamics processing se...

View full details
Original price $1,875.00 - Original price $1,875.00
Original price $1,875.00
$1,875.00
$1,875.00 - $1,875.00
Current price $1,875.00
Sold out
Original price $225.00 - Original price $225.00
Original price $225.00
$225.00
$225.00 - $225.00
Current price $225.00

J Rockett MELODY 2-in-1 Overdrive & EQ Pedal Designed w/ Mark Letteri

J Rockett Audio Designs

When you need overdrive along with outstanding EQ control, the Melody Overdrive/EQ Pedal from J. Rockett Audio Designs is an intelligently design...

View full details
Original price $225.00 - Original price $225.00
Original price $225.00
$225.00
$225.00 - $225.00
Current price $225.00
Sold out
Original price $285.00 - Original price $285.00
Original price $285.00
$285.00
$285.00 - $285.00
Current price $285.00

J Rockett ROCKAWAY ARCHER Steve Stevens Signature 2-in-1 Overdrive & EQ

J Rockett Audio Designs

The Rockaway Archer is an overdrive EQ all in one. The Rockaway Archer was developed for legendary guitarist Steve Stevens as an all in one solu...

View full details
Original price $285.00 - Original price $285.00
Original price $285.00
$285.00
$285.00 - $285.00
Current price $285.00
Sold out
Original price $285.00 - Original price $285.00
Original price $285.00
$285.00
$285.00 - $285.00
Current price $285.00

J Rockett Tim Pierce Overdrive Based On 5881 Servo Tube from Naylor SD60

J Rockett Audio Designs

DESIGNED FOR A SESSION LEGEND The Power Amp section is fat and loud with nothing but punch, designed to emulate the sound of a full blown tube po...

View full details
Original price $285.00 - Original price $285.00
Original price $285.00
$285.00
$285.00 - $285.00
Current price $285.00
Sold out
Original price $225.00 - Original price $225.00
Original price $225.00
$225.00
$225.00 - $225.00
Current price $225.00

J Rockett GTO Overdrive Inspired by ODR-1

J Rockett Audio Designs

The new GTO is the latest design coop with Guthrie Trapp. The original was sort of the Nashville favorite, recreating the old Nobels ODR-1. A gr...

View full details
Original price $225.00 - Original price $225.00
Original price $225.00
$225.00
$225.00 - $225.00
Current price $225.00
Sold out
Original price $225.00 - Original price $225.00
Original price $225.00
$225.00
$225.00 - $225.00
Current price $225.00

J Rockett Blue Note Overdrive Tour Series

J Rockett Audio Designs

The Blue Note Tour gives you a very woodsy blues overdrive feel and can achieve more gain than a typical tube screamer (no this isn't another TS...

View full details
Original price $225.00 - Original price $225.00
Original price $225.00
$225.00
$225.00 - $225.00
Current price $225.00
Sold out
Original price $412.00
Original price $412.00 - Original price $412.00
Original price $412.00
Current price $375.00
$375.00 - $375.00
Current price $375.00

AC NOISES RESPIRA Shimmer Reverb & Multimode LFO Tremolo LTD Violet

AC Noises

Respira" is an Italian verb which means "breathe" in second person imperative (tu, respira = you, breathe).This percussive ambient machine cons...

View full details
Original price $412.00
Original price $412.00 - Original price $412.00
Original price $412.00
Current price $375.00
$375.00 - $375.00
Current price $375.00
Sold out
Original price $337.00
Original price $337.00 - Original price $337.00
Original price $337.00
Current price $277.00
$277.00 - $277.00
Current price $277.00

Spaceman IXION Optical Compressor Silver

Spaceman

The Ixion is an optical photocell based compressor with a smooth fat tone and a number of interesting and exploratory features. The controls of t...

View full details
Original price $337.00
Original price $337.00 - Original price $337.00
Original price $337.00
Current price $277.00
$277.00 - $277.00
Current price $277.00
Sold out
Original price $525.00
Original price $525.00 - Original price $525.00
Original price $525.00
Current price $487.00
$487.00 - $487.00
Current price $487.00

Asheville Music Tools ADG-1 Analog Delay

Asheville Music Tools

100% Analog delay / 16-700ms time range with modulation The ADG-1 is the latest installment in Hawker’s legacy of highly sought-after analog delay ...

View full details
Original price $525.00
Original price $525.00 - Original price $525.00
Original price $525.00
Current price $487.00
$487.00 - $487.00
Current price $487.00
Sold out
Original price $502.00
Original price $502.00 - Original price $502.00
Original price $502.00
Current price $487.00
$487.00 - $487.00
Current price $487.00

Asheville Music Tools ACV-1 Time Warping Chorus Vibrato

Asheville Music Tools

ACV-1 TIME WARPING CHORUS & VIBRATO 100% Analog BBD based Chorus Vibrato pedal The Analoger™ Series ACV-1 chorus/vibrato/slapback is the late...

View full details
Original price $502.00
Original price $502.00 - Original price $502.00
Original price $502.00
Current price $487.00
$487.00 - $487.00
Current price $487.00
Sold out
Original price $337.00 - Original price $337.00
Original price $337.00
$337.00
$337.00 - $337.00
Current price $337.00

Bondi Effects Del Mar MKII Overdrive

Bondi Effects

Back and better than ever! The Del Mar mk2 combines the much-lauded Del Mar sound with the refinements that a further decade of engineering exper...

View full details
Original price $337.00 - Original price $337.00
Original price $337.00
$337.00
$337.00 - $337.00
Current price $337.00
Sold out
Original price $285.00 - Original price $285.00
Original price $285.00
$285.00
$285.00 - $285.00
Current price $285.00

Bondi Effects Sick As MK3 Overdrive based on Klon

Bondi Effects

What's new with the Mk3 Version: Same classic Sick As sound Robust power input protection  Optimised power delivery network Reduced noise floor ...

View full details
Original price $285.00 - Original price $285.00
Original price $285.00
$285.00
$285.00 - $285.00
Current price $285.00
Sold out
Original price $600.00 - Original price $600.00
Original price $600.00
$600.00
$600.00 - $600.00
Current price $600.00

Vongon Polyphrase Stereo Echo w/ infinite Feedback Loop

Vongon

POLYPHRASE is a stereo echo and looping device inspired by early proto-digital delays of the 1970’s like the Lexicon Prime Time. As sophisticated...

View full details
Original price $600.00 - Original price $600.00
Original price $600.00
$600.00
$600.00 - $600.00
Current price $600.00
Sold out