UAFX dual-engine powers the heavenly guitar tones of the most fabled hand-made tube amps ever made
Authentic “end-to-end” emulation delivers the cloud-like cleans and blooming overdrive beloved by everyone from Stevie Ray Vaughan and Robben Ford to Joe Bonamassa and John Mayer*
Features the world's best speaker cabinet and mic emulations derived from UA’s award-winning OX Amp Top Box
Classic Rock and Jazz modes deliver iconic ODS tones, while Custom mode allows you to go under the hood and tweak your own sound
Bypass cabinet/mic emulations and use in front of your amp for added tonal flavor and distortion sounds
UAFX Control mobile app lets you find and save your favorite tones, plus explore artist presets crafted by the world's top guitarists
Timeless UA design and craftsmanship, built to last decades
Get the Mythical Tones That Enchanted Legends
UAFX Enigmatic '82 Overdrive Special Amp gives you 30 years of rare ODS amps in a single pedal. Perfectly capturing rare early models that brought the amp into the spotlight to later iterations used on famous LA sessions, Enigmatic '82 gives you the sound of the most wildly expensive and coveted guitar amps in history.
Build Your Own Custom D-Style Amp
Put Enigmatic ‘82 into Custom Mode to go under the hood and tweak your own ODS circuit. Start with four classic output tube and power supply setups, and select your favorite era of tone stack EQ. Then add the famed Hot Rubber Monkey mod to get world-famous “D-style” overdrive and compression.
Play Essential Rock and Jazz Modes
Flip between Jazz and Rock modes to experience cloud-like cleans to blooming overdrive. Whether you favor intricate chord work or expressive lead playing, you’ll instantly find that classic ODS sound that responds to every nuance of your touch and cuts right through the mix.
Explore Classic Mic and Speaker Pairs
We handpicked famous mic and speaker combinations and captured them using our groundbreaking Dynamic Speaker Modeling, so you’ll get album-ready tones when going direct into your mixer or DAW.
Take Over with the UAFX Control App
Use the UAFX mobile app to find and save your favorite tones, plus explore artist presets crafted by the world's top guitarists and Overdrive Special aficionados.
My front of house guy says he can’t tell the difference between my real amp rig and Enigmatic.
Christopher Cross
It’s like having a custom-made amp right at your fingertips.
Artur Menezes
A faithful recreation of mythical amps in an inspiring, easy-to-use pedal.
Daniel Donato
UA Studio Sessions
Frequently Asked Questions
UAFX pedals require an isolated 9 volt DC, center negative, 2.1 x 5.5 mm barrel connector (same as standard Boss connectors) power supply that can provide the following current requirements: Full-sized UAFX pedals (with two footswitches) require 400 mA (milliamps) of current; Compact UAFX pedals (with a single footswitch) require 250 mA (milliamps) of current
Connect the pedal using a USB-C cable to your compatible computer, and run the UA Connect application to update your firmware.
Dual footswitch UAFX pedals have Bluetooth, and you can download the UAFX Control mobile app from the Apple App Store or Google Play Store, to connect to your pedals and access additional functionality.
Each UAFX pedal has unique functionality. We recommend carefully reading the accompanying manual for each pedal here.