Skip to content
Pedals & Effects - Gsus4

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.

Original price $419.00
Original price $419.00 - Original price $419.00
Original price $419.00
Current price $379.00
$379.00 - $379.00
Current price $379.00

Ceriatone | CENTURA | Klon-Style Overdrive | Matte Gold

Ceriatone

In the market for a Klon-style overdrive? Your search might just be over. Vintage tone experts Ceriatone have successfully forged one of the mos...

View full details
Original price $419.00
Original price $419.00 - Original price $419.00
Original price $419.00
Current price $379.00
$379.00 - $379.00
Current price $379.00
Original price $549.00
Original price $549.00 - Original price $549.00
Original price $549.00
Current price $415.00
$415.00 - $415.00
Current price $415.00

REVV | Tilt | Overdrive w/ Tilt Boost Circuit | Shawn Tubbs Signature Series

REVV

The All-In-One-Solution To Your Guitar Tone The Sound In Your Head - Session master Shawn Tubbs’ dream tone in your hands - a unique combinatio...

View full details
Original price $549.00
Original price $549.00 - Original price $549.00
Original price $549.00
Current price $415.00
$415.00 - $415.00
Current price $415.00
Original price $449.00 - Original price $449.00
Original price $449.00
$499.00
$499.00 - $499.00
Current price $499.00

Shnobel Tone | Daily Driver | The Versatile Overdrive

Shnobel Tone

The DAILY DRIVER® Overdrive features an original and unique drive circuit that gives you a rich sound full of harmonics and an amp like response,...

View full details
Original price $449.00 - Original price $449.00
Original price $449.00
$499.00
$499.00 - $499.00
Current price $499.00
Original price $499.00
Original price $499.00 - Original price $499.00
Original price $499.00
Current price $409.00
$409.00 - $409.00
Current price $409.00

Fulltone | OCD-Ge | Obsessive Compulsive Drive | Germanium Edition | Custom Shop

Fulltone

OCD Overdrive — Now with Germanium! Ever since it was introduced in 2004, the Fulltone OCD (Obsessive Compulsive Drive) pedal has wormed i...

View full details
Original price $499.00
Original price $499.00 - Original price $499.00
Original price $499.00
Current price $409.00
$409.00 - $409.00
Current price $409.00
Original price $549.00
Original price $549.00 - Original price $549.00
Original price $549.00
Current price $459.00
$459.00 - $459.00
Current price $459.00

Fulltone | PlimSoul MKII | Overdrive Distortion | Custom Shop

Fulltone

The 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 details
Original price $549.00
Original price $549.00 - Original price $549.00
Original price $549.00
Current price $459.00
$459.00 - $459.00
Current price $459.00
Sold out
Original price $499.00
Original price $499.00 - Original price $499.00
Original price $499.00
Current price $410.00
$410.00 - $410.00
Current price $410.00

Fulltone | FULL-DRIVE 3 | 2-in-1 Overdrive & Boost Pedal

Fulltone

Unlike its cousin the FD2, the FD3 uses both a JFET input and a JFET op-amp, giving it the most tube-like sound you can get out of a tubeless pe...

View full details
Original price $499.00
Original price $499.00 - Original price $499.00
Original price $499.00
Current price $410.00
$410.00 - $410.00
Current price $410.00
Original price $249.00
Original price $249.00 - Original price $249.00
Original price $249.00
Current price $225.00
$225.00 - $225.00
Current price $225.00

Red Witch | Xenia Overdrive Engine | Single Dial

Red Witch

Our “One-Inch-Punch” Overdrive. The juiciest overdrive sounds distilled into a tiny box with a single dial. You want gorgeous overdrive. We’ve do...

View full details
Original price $249.00
Original price $249.00 - Original price $249.00
Original price $249.00
Current price $225.00
$225.00 - $225.00
Current price $225.00
Original price $449.00
Original price $449.00 - Original price $449.00
Original price $449.00
Current price $399.00
$399.00 - $399.00
Current price $399.00

Fulltone | OCD V2.0 | Transparent Overdrive Distortion

Fulltone

Since 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 details
Original price $449.00
Original price $449.00 - Original price $449.00
Original price $449.00
Current price $399.00
$399.00 - $399.00
Current price $399.00
Sold out
Original price $499.00
Original price $499.00 - Original price $499.00
Original price $499.00
Current price $409.00
$409.00 - $409.00
Current price $409.00

Fulltone | FULL-DRIVE 2 | 2-in-1 Overdrive & Boost Pedal

Fulltone

Achieve natural, tubelike drive with the Full-Drive 2 V2. Loaded with the coveted JRC4558 chip and Fulltone’s 1990s Full-Drive circuit, this ped...

View full details
Original price $499.00
Original price $499.00 - Original price $499.00
Original price $499.00
Current price $409.00
$409.00 - $409.00
Current price $409.00
Original price $399.00
Original price $399.00 - Original price $399.00
Original price $399.00
Current price $319.00
$319.00 - $319.00
Current price $319.00

Fulltone | Full-Drive 1 | Overdrive

Fulltone

Yes it's true, finally the sound of a late 90s to early 2000s Fulldrive with-OUT the boost channel! Simple as it comes... with Volume, Tone, Driv...

View full details
Original price $399.00
Original price $399.00 - Original price $399.00
Original price $399.00
Current price $319.00
$319.00 - $319.00
Current price $319.00
Original price $275.00 - Original price $275.00
Original price $275.00
$275.00
$275.00 - $275.00
Current price $275.00

Xotic | Soul Driven | Super Transparent Overdrive

Xotic Effects

Add “Soul” to your sound by producing creamy boost and overdriven tones that enhance harmonics while maintaining the transparency of your guitar ...

View full details
Original price $275.00 - Original price $275.00
Original price $275.00
$275.00
$275.00 - $275.00
Current price $275.00
Original price $249.00 - Original price $249.00
Original price $249.00
$249.00
$249.00 - $249.00
Current price $249.00

Xotic | SL Drive | Based On The Super Lead Amplifier | w/ Dip Switch

Xotic Effects

Famous for its woody, organic and beautiful sounds of saturation, these legendary British amplifiers, the Super Lead & Super Bass, have been ...

View full details
Original price $249.00 - Original price $249.00
Original price $249.00
$249.00
$249.00 - $249.00
Current price $249.00
Original price $499.00 - Original price $499.00
Original price $499.00
$499.00
$499.00 - $499.00
Current price $499.00

Cornerstone | GLADIO SC | Preamp Overdrive Based on Dumble Amp

Cornerstone

Gladio SC (single channel), is designed to offer the same sound of the "big brother" Gladio but in a smaller and compact size.While the Gladio do...

View full details
Original price $499.00 - Original price $499.00
Original price $499.00
$499.00
$499.00 - $499.00
Current price $499.00
Sold out
Original price $499.00 - Original price $499.00
Original price $499.00
$499.00
$499.00 - $499.00
Current price $499.00

Limetone | JACKAL | Distortion | High Gain Drive w/ EQ & Bite Mode

Limetone

A 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 details
Original price $499.00 - Original price $499.00
Original price $499.00
$499.00
$499.00 - $499.00
Current price $499.00
Sold out
Original price $255.00 - Original price $255.00
Original price $255.00
$255.00
$255.00 - $255.00
Current price $255.00

Greer Amps | Tomahawk | Overdrive

Greer Amps

Enclosure Dimensions (in):  4.39" x 2.34" x 1.06" Power:  9-18 volt neg. center pin ONLY.   Current draw:  9mA @ 9v.   The Tomahawk Deluxe Dr...

View full details
Original price $255.00 - Original price $255.00
Original price $255.00
$255.00
$255.00 - $255.00
Current price $255.00
Sold out
Original price $319.00 - Original price $319.00
Original price $319.00
$319.00
$319.00 - $319.00
Current price $319.00

Greer Amps | Royal Velvet

Greer Amps

Enclosure Dimensions (in):  4.77" x 2.6" x 1.39" Power:  9-18 volt neg. center pin ONLY.   Current draw:  15mA @ 9v. Greer Amps expands the XFR ...

View full details
Original price $319.00 - Original price $319.00
Original price $319.00
$319.00
$319.00 - $319.00
Current price $319.00
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
Current price $299.00

Greer Amps | Southland | Harmonic Overdrive | White

Greer Amps

  Enclosure Dimensions (in):  4.77" x 2.6" x 1.39" Power:  9-18 volt neg. center pin ONLY.   Current draw:  10mA @ 9v.     The Southland Harmo...

View full details
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
Current price $299.00
Sold out
Original price $409.00 - Original price $409.00
Original price $409.00
$409.00
$409.00 - $409.00
Current price $409.00

Greer Amps | Lightspeed | Organic Overdrive | Standard Blue

Greer Amps

The Lightspeed Organic Overdrive is a very natural sounding overdrive. Why "organic"?  Well, simply put, it's the clearest, most natural feeling,...

View full details
Original price $409.00 - Original price $409.00
Original price $409.00
$409.00
$409.00 - $409.00
Current price $409.00
Sold out
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
Current price $299.00

Keeley | KATANA | Throwback White | LIMITED EDITION | +30dB DUAL FET Clean Boost

Keeley Electronics

You thought it was discontinued.. You thought the second hand price was ridiculous and only John Mayer could afford them for his backup boards,,...

View full details
Original price $299.00 - Original price $299.00
Original price $299.00
$299.00
$299.00 - $299.00
Current price $299.00
Sold out
Original price $649.00
Original price $649.00 - Original price $649.00
Original price $649.00
Current price $609.00
$609.00 - $609.00
Current price $609.00

Browne Amp | ETHANE | Dual Overdrive | Carbon + Gritador In One

Browne Amplification

Designed by Browne Amplification, the Ethane Dual Overdrive is the fusion of two of Browne’s most revered and coveted circuits, the Carbon and the...

View full details
Original price $649.00
Original price $649.00 - Original price $649.00
Original price $649.00
Current price $609.00
$609.00 - $609.00
Current price $609.00
Original price $799.00
Original price $799.00 - Original price $799.00
Original price $799.00
Current price $549.00
$549.00 - $549.00
Current price $549.00

Jackson Audio | OPTIMIST | Cory Wong Signature Dual Overdrive | Classic Edition

Jackson Audio

Jackson Audio and Cory Wong bring you The Optimist. Using three independent circuits, The Optimist is one product for creating the finest and insp...

View full details
Original price $799.00
Original price $799.00 - Original price $799.00
Original price $799.00
Current price $549.00
$549.00 - $549.00
Current price $549.00
Original price $375.00 - Original price $375.00
Original price $375.00
$375.00
$375.00 - $375.00
Current price $375.00

Tech 21 | SansAmp US Steel

Tech 21

Packing more metal than Pittsburgh, the U.S. Metal is high gain Valhalla. Blistering distortions and searing lead tones just keep coming; every n...

View full details
Original price $375.00 - Original price $375.00
Original price $375.00
$375.00
$375.00 - $375.00
Current price $375.00
Sold out
Original price $609.00
Original price $609.00 - Original price $609.00
Original price $609.00
Current price $498.00
$498.00 - $498.00
Current price $498.00

Tech 21 | SansAmp | Bass Driver Programmable | Preamp & DI

Tech 21

Always thinking of our fat-stringed brethren, we had to make a 3-channel, programmable, rig-in-a-box for bassists who can’t get enough of a great...

View full details
Original price $609.00
Original price $609.00 - Original price $609.00
Original price $609.00
Current price $498.00
$498.00 - $498.00
Current price $498.00
Original price $389.00 - Original price $389.00
Original price $389.00
$389.00
$389.00 - $389.00
Current price $389.00

Tech 21 | SansAmp Oxford

Tech 21

Get it on With this orange-flavored retro rocker. Experience T-rextacy With the greasy grit of ‘70s London glam, or take it deeper and darker in...

View full details
Original price $389.00 - Original price $389.00
Original price $389.00
$389.00
$389.00 - $389.00
Current price $389.00
Sold out