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Average Price: $182

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$50

$176+

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Description

Dive into the realm of sonic exploration with the GFI Systems Jonassus, a versatile dual-channel overdrive pedal that brings a symphony of tones to your fingertips. Whether you're crafting a gentle, warm low-gain aura with the Low Channel or dialing up the intensity for a medium-high gain roar on the High Channel, the Jonassus offers articulate sound shaping capabilities. With shared tone control and independent volume and gain adjustments for each channel, achieving your perfect sound has never been easier. The pedal's innovative clipping mode options—diode/asymmetric, diode/symmetric, and LED/symmetric—provide a palette of textures from compressed to open and warm, ensuring your music stands out with its unique signature.

Key Features:

  • Dual-channel overdrive: Low Channel for warm, articulate low-gain overdrive and High Channel for medium-high gain.
  • Shared tone knob with independent volume and gain controls for each channel.
  • Innovative clipping mode options: diode/asymmetric for more compression, diode/symmetric for balanced tones, and LED/symmetric for openness and warmth.

Product specs

Brand GFI System
Model System Jonassus Overdrive
Finish Black
Year 2021
Categories Overdrive and Boost Pedals
Pedal Format Standard

FAQs

What type of music genres is the GFI Systems Jonassus Overdrive pedal best suited for?

The GFI Systems Jonassus Overdrive pedal is versatile and can be used across various genres, including rock, blues, and jazz, offering a rich and dynamic overdrive tone suitable for both rhythm and lead playing.

Can the GFI Systems Jonassus Overdrive pedal be used with both electric and bass guitars?

Yes, the GFI Systems Jonassus Overdrive pedal can be used with both electric and bass guitars, though it is primarily designed for electric guitar use, providing a smooth overdrive that enhances tonal richness.

Does the GFI Systems Jonassus Overdrive pedal require a specific power supply?

The GFI Systems Jonassus Overdrive pedal operates on a standard 9V DC power supply, commonly used for most guitar pedals, ensuring easy integration into your existing pedalboard setup.

How does the GFI Systems Jonassus Overdrive pedal differ from other overdrive pedals?

The GFI Systems Jonassus Overdrive pedal stands out with its unique tonal character and responsiveness, offering a wide range of overdrive tones from subtle warmth to aggressive crunch, catering to diverse playing styles.

Is the GFI Systems Jonassus Overdrive pedal true bypass?

Yes, the GFI Systems Jonassus Overdrive pedal features true bypass switching, ensuring that your guitar signal remains unaffected when the pedal is not engaged, preserving your instrument's natural tone.

Andertons Music Co

Andertons Music Co

GFI Systems Jonassus pedal - A seriously versatile overdrive pedal!

Video thumbnail for GFI Systems Jonassus pedal - A seriously versatile overdrive pedal! by Andertons Music Co

GFI Systems Jonassus pedal - A seriously versatile overdrive pedal!

Andertons Music Co

Andertons Music Co

Video thumbnail for Variable Clipping Master | GFI Jonassus by Rabea Massaad

Variable Clipping Master | GFI Jonassus

Rabea Massaad

Rabea Massaad

Video thumbnail for GFI System: Jonassus Dual Channel Overdrive by Brett Kingman

GFI System: Jonassus Dual Channel Overdrive

Brett Kingman

Brett Kingman

Video thumbnail for GFI System Jonassus Drive by JayLeonardJ

GFI System Jonassus Drive

JayLeonardJ

JayLeonardJ

Video thumbnail for GFI System Jonassus (demo) by Living Room GD

GFI System Jonassus (demo)

Living Room GD

Living Room GD

Video thumbnail for GFI System Jonassus by Mike Hermans

GFI System Jonassus

Mike Hermans

Mike Hermans

Video thumbnail for GFI System Jonassus Overdrive (Part 1 : Features and Sounds) by GFI System

GFI System Jonassus Overdrive (Part 1 : Features and Sounds)

GFI System

GFI System

Video thumbnail for GFI System Jonassus Overdrive (Part 2 : Extended and Hidden Features) by GFI System

GFI System Jonassus Overdrive (Part 2 : Extended and Hidden Features)

GFI System

GFI System

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about GFI Systems Jonassus.

Comparisons

  • The Jonassus competes with high-end overdrives like the Greer Lightspeed, Bondi Sick As, and JHS AT+ in both low and high gain settings.

    Source
  • Owners who switched from the JHS Bonsai to the Jonassus find the latter offers more distinct tonal options, especially valuing it over the Bonsai's similar-sounding settings.

    Source

Features and functionality

  • Unlike other dual overdrives like the JHS Sweet Tea, the Jonassus does not allow simultaneous operation of both drives for a lead boost.

    Source
  • Users appreciate the Jonassus for its versatile clipping adjustments, particularly on the low gain channel, which offers more tonal variety than initially expected.

    Source
  • The Jonassus includes a unique stutter mode activated by holding the right switch, with a gradual slowdown when using the left switch for creative sound manipulation.

    Source

User experience

  • The pedal's tone shaping is limited to volume and gain for each side, with a shared tone knob, yet users find it easy to dial in desired sounds.

    Source
  • A user initially purchased the Jonassus for its high-gain capabilities but found the low-gain channel to be unexpectedly impressive, influencing a shift in usage preference.

    Source
  • Some users report a knocking sound when using the stutter mode, which may indicate a common issue or characteristic with the pedal.

    Source

Use cases and applications

  • The Jonassus excels in delivering consistent drive tones across various pickup positions, especially on Telecasters and Les Pauls, without becoming ice-picky or muddy.

    Source
  • The stutter mode in Jonassus can be used to create dynamic textures and rhythmic effects, adding versatility beyond traditional overdrive applications.

    Source

Critic Reviews

GFI System Jonassus Drive review | Guitar World

guitarworld.com

GFI Systems Jonassus Drive offers a unique dual-channel experience, featuring extensive controls and dynamic LED clipping that elevates its sound versatility. While its touch-sensitive overdrive and refined saturation may impress many, the price point may deter some, as there are more budget-friendly options available. Ultimately, the Jonassus stands out in its class, appealing to those seeking both rhythm and lead sounds without compromising on quality.

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