Quick answer: The Enigmatic '82 Overdrive Special Amplifier is an authentic Universal Audio UAFX product. Priced at $399.00, sold brand-new by Victory Musical Instruments, a veteran-owned authorized UA dealer in Miami, FL. Questions? Call 844-687-4208.

Play the mythical guitar tones that enchanted legends. The Universal Audio UAFX Enigmatic '82 Overdrive Special Amp delivers the cloud-like cleans and blooming overdrive of the legendary Dumble Overdrive Special — the elusive boutique amp beloved by Stevie Ray Vaughan, Robben Ford, Joe Bonamassa, John Mayer, and Carlos Santana.

At a Glance

Overview

The Dumble Overdrive Special is, by reputation, the most elusive and revered amplifier ever made. Hand-built by Alexander "Howard" Dumble for a hand-picked clientele, originals now sell for $100,000+ when they appear at all. Enigmatic '82 captures the essence of these mythical amps — the silky midrange compression, the touch-sensitive breakup, the way the amp seems to bloom and breathe with the player. UA had access to original Overdrive Special amps for the modeling research, and Dumble owner Ben Harper has publicly called the pedal "scary good."

Key Features

• Authentic "ODS" End-to-End Emulation — Cloud-like cleans and blooming overdrive modeled from original Overdrive Special amps.
• Classic Rock and Jazz Modes — Two iconic ODS voicings, plus a Custom mode for tweaking your own.
• OX Amp Top Box Cabinet/Mic/Room Emulations — Multiple cabs and mics modeled for ODS pairing.
• Custom Mode — Go under the hood and tweak Power, FET trim, Preamp Boost, Tone Stack, OD Trim, and HRM (Hot Rubber Monkey) Overdrive EQ.
• Touch-Sensitive Breakup — Cleans up with lighter pick attack, distorts when you dig in — the hallmark of the Dumble sound.
• Stereo Operation — Two-channel inputs and outputs.
• Cab Bypass — Use as a Dumble-style overdrive preamp in front of a real amp.

UAFX 2.0 Features

• Four On-Pedal Presets — Store and recall four complete amp settings via the footswitches; instantly switch between rhythm, lead, clean, and dirty tones.
• MIDI-over-USB — Realtime MIDI control of parameters and preset changes for programmable rigs.
• Improved Bluetooth + USB-to-Mobile — Reliable wireless or hardwired connection to the UAFX Control mobile app.
• UAFX Control App — Audition cabs, mics, rooms, presets, and artist signature sounds; archive your favorites to the cloud.

Specifications

• Power — Isolated 9V DC, center-negative, 400 mA minimum (sold separately).
• Inputs — 2 x 1/4" TS (right input for stereo connections and 4-cable mode).
• Outputs — 2 x 1/4" TS (right output for stereo connections and 4-cable mode).
• USB — USB Type-C for firmware updates and MIDI-over-USB.
• Wireless — Bluetooth for UAFX Control mobile app connection.
• Dimensions — 2.56" x 3.62" x 5.55" (65 x 92 x 141 mm).
• Weight — 1.24 lbs.

The Dumble Sound

What makes a Dumble special isn't extreme gain or crushing volume — it's the way the amp responds to the player's touch. A Dumble cleans up with lighter pick attack and breaks up smoothly when you dig in, with a midrange compression and harmonic complexity that no other amp quite captures. Enigmatic '82 brings that touch-sensitivity to any guitar, any rig, anywhere — and the Custom mode lets you build your own Dumble variant the way Howard Dumble fine-tuned amps for individual clients.

What's in the Box

• UAFX Enigmatic '82 Overdrive Special Amp pedal
• Quick start guide
• Note: 9V isolated power supply (minimum 400 mA) sold separately

Frequently Asked Questions

What power supply does this UAFX pedal need?

It runs on a standard 9V DC center-negative power supply (larger UAFX models need a higher-current supply). Check the box contents listed above to see whether a power supply is included with this model.

Is it true bypass, and does it work in stereo?

UAFX pedals offer switchable true or buffered bypass via the free UAFX Control app, and stereo-capable models accept and output stereo through their TRS or dual jacks.

Do I need the UAFX Control app to use it?

No, the pedal works standalone right out of the box. The free UAFX Control app (mobile and desktop) is optional and unlocks extra presets, alternate models, and deeper settings.

What's included in the box?

Your purchase includes: UAFX Enigmatic '82 Overdrive Special Amp pedal, Quick start guide.

Is the Enigmatic '82 Overdrive Special Amplifier a genuine Universal Audio product?

Yes. Victory Musical Instruments is a veteran-owned, authorized Universal Audio dealer based in Miami, FL. Every unit is brand-new, factory-sealed, and covered by the full UA manufacturer warranty.

Can I get help choosing or setting it up?

Absolutely. You'll talk to real people, not a call center. Call us at 844-687-4208 and we'll help you spec the right gear and get it running.

Why Buy from Victory Musical Instruments

Victory Musical Instruments is a veteran-owned authorized retailer in Miami, FL. Whether you're outfitting a home studio, a college program, or a worship room, we'll help you spec the right gear and stand behind the sale. Save through our ID.me military discount program — active duty, veterans, reservists, and eligible family.