Fulltone FB-2 FatBoost

$80.00 Price Tier: Standard

4.0 (1)

Find out who is using Fulltone FB-2

1 community setup

1 wishlisted

2 saved

Page last updated Jun 05, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated June 5, 2026.

Store

Reviews

Price

5.0 (5)

$80.00 11 available Used

View Deal

Average Price: $80

Standard/Professional

$60

$151+

Price Tier

In the Boost Effects Pedals category, Fulltone FB-2 FatBoost is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

Budget

Standard

High-end

^* Product prices and availability are updated by Equipboard every 24hrs and are subject to change. Equipboard may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. For more information, please refer to our affiliate disclosure.

Description

Edit description

For guitarists seeking a pedal that can seamlessly enhance their sound, the Fulltone FB-2 FatBoost is a game-changer. This Class A JFET booster is renowned for its ability to provide a rich, transparent boost that maintains the integrity of your tone while adding a touch of warmth and sustain. Whether you're looking to push your amp into natural overdrive or simply add a bit more oomph to your solos, the FB-2 delivers with precision.

Its intuitive control layout includes knobs for Volume, Drive, Bass, and Treble, giving you the flexibility to shape your sound with precision. The FB-2 is designed to deliver plenty of headroom, ensuring that your dynamics remain intact even when cranked up. Its natural compression characteristics add a smoothness to your sound, making it perfect for both rhythm and lead playing. Built with top-notch components and rugged construction, the FB-2 can withstand the rigors of any gig or studio session.

With its ability to preserve the nuances of your playing while enhancing your tonal palette, the Fulltone FB-2 FatBoost is a must-have for any discerning guitarist's pedalboard.

Key Features:

Class A JFET booster design
Volume, Drive, Bass, and Treble controls
Natural compression for smooth sound
High headroom for dynamic range
Sturdy construction for durability

Product specs

Brand	Fulltone
Model	Fat Boost FB-2
Finish	Red
Year	2000s
Made In	United States
Categories	Distortion Pedals, Overdrive and Boost Pedals

FAQs

What type of power supply does the Fulltone FB-2 FatBoost require?: The Fulltone FB-2 FatBoost requires a standard 9V DC power supply, commonly used for guitar pedals. It can also run on a 9V battery for convenience.
How does the Fulltone FB-2 FatBoost affect my guitar's tone?: The Fulltone FB-2 FatBoost enhances your guitar's tone by providing a clean boost with increased volume and a slight midrange bump, making it ideal for pushing an amp into overdrive or adding presence to solos.
Is the Fulltone FB-2 FatBoost suitable for use with both single-coil and humbucker pickups?: Yes, the Fulltone FB-2 FatBoost works well with both single-coil and humbucker pickups, offering a versatile boost that enhances the natural character of either pickup type.
Can the Fulltone FB-2 FatBoost be used as a standalone overdrive pedal?: While primarily designed as a boost pedal, the Fulltone FB-2 FatBoost can add a touch of overdrive when the gain is increased, though it excels at enhancing existing amp or pedal overdrive.
Does the Fulltone FB-2 FatBoost have true bypass switching?: Yes, the Fulltone FB-2 FatBoost features true bypass switching, ensuring that your guitar signal remains uncolored when the pedal is not engaged.

Videos

Add video

soundpurestudios

Fulltone Effects Fat Boost Pedal with a Melancon Pro Artist Guitar

soundpurestudios

Fulltone FB-2 Fat-Boost

Wall of Sound

Fulltone Fat Boost FB-2 with ES-335 demo

WESTBALL FAMILY

Reviews

Add review

PROS

Provides up to 35dB of clean boost
True bypass operation maintains signal integrity
EQ adjustments for bass and treble for tone shaping
Versatile voltage operation (9 to 18 volts)
Can be used as a transparent boost or to add grit
Simple to operate
Durable construction
Enhances tone, making it fat and warm
Works well with other distortion and fuzz pedals

CONS

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Fulltone FB-2 FatBoost.

Use cases and applications

0 0

The FB-2 is favored for fattening signals in jazz solos, enhancing a blues setup, and pushing amps like the Marshall Mosfet and Plexi for a crunchier tone.
Source
0 0

Users find the FB-2 effective on 'always on' duty, enhancing and warming the signal when the gain is set at 12 o'clock or higher.
Source

User experience

0 0

Long-term owners report durable performance, with some using the pedal for over a decade without issues.
Source
0 0

The FB-2 has been noted for its versatility, allowing users to achieve both transparent boosts and richer, fatter tones depending on the gain settings.
Source

Features and functionality

0 0

The Fulltone FB-2 FatBoost provides up to 35dB of clean boost, with bass and treble controls to fine-tune the sound for a transparent or warm, fattened signal.
Source

Comparisons

0 0

One owner replaced the MXR Micro Amp with the FB-2 due to the Micro Amp's tendency to accentuate treble, finding the FB-2 to deliver a fuller, warmer boost.
Source