Unleash super tight & powerful distortion and the searing high-gain tone that powered legendary punk, alt-rock, and metal bands from Foo Fighters and Incubus to Nevermore, Dream Theater, and more! Gritty power chords? Check. Complex aggression? Absolutely.
Choose from six classic microphone & speaker pairings, add a TS-style overdrive boost, and tame the genre-definingly powerful tone with the noise-gate via the UAFX mobile app! Knuckles ’92 puts one of the most versatile multi-channel amps ever made right on your pedalboard.
UAFX 2.0 Update: MIDI Control, Better Bluetooth, Expanded Presets & More
Using the rear panel USB-to-MIDI connection*, UAFX pedals fit right into your programmable MIDI rig — receiving preset changes, BPM clock sync and more! Here’s everything you get out of the free update:
- USB MIDI control: Bring your live shows to life with USB MIDI support providing 128 recallable presets, MIDI BPM clock sync and real-time expression.
- Wired USB app control: Control your pedals via the UAFX app over a wired USB connection (iOS or Android), offering another robust option for managing settings.
- Improved Bluetooth connectivity: Ground-up redesign of UAFX app control over Bluetooth, for improved reliability.
- Footswitch options: Switch between more presets on UAFX Amp Pedals using powerful new performance modes like Live, Tour (A/Bypass-B/Bypass) and A/B-C/D.
*Requires a compatible USB MIDI host, controller, or interface. Control of multiple UAFX pedals will require an additional USB hub. Click here to learn more.
Key Features
- Signature California Tone – Plug into the famous 1992 Rev F Dual Rec high-gain amplifier tone that fueled punk, alt rock, and metal from the ‘90s onward
- Legendary Presets – Play presets designed by UA’s tone gurus, dual-rec specialists and artists; or customize and save your own tones in the UAFX mobile app
- Powerful Engine – Powerful UAFX dual-engine delivers the most authentic emulation of the amp ever placed in a stompbox
- Inspirational Tone – Dial in genre-defining sound with built-in TS-style overdrive, preamp boost, noise gate, channel switching, output tubes and selectable solid-state or tube rectification
- Room Modelling – Experience groundbreaking physical room modelling derived from UA’s award-winning OX Amp Top Box
- 6 Mic/Speaker Pairings – Experiment with six classic mic/speaker pairings as used on classic ‘90s alt rock and metal records
Explore a Range of Rectifier Tones
Use the famed green, orange, and red channels to explore perfect cleans to bone-crushing crunch and smoldering lead sounds. Then experiment with EL-34 or 6L6 power tubes and switch between solid-state or tube rectifiers for ultimate control and feel under your fingertips.
Play Through Perfect Preamp Boosts
Knuckles ’92 is equipped with a classic TS-style overdrive – a tried-and-true component for tight, articulate playing — and an integrated preamp boost that’s famous for sculpted modern metal tones. And with its built-in noise gate giving clear sound even at extreme gain settings, you’ll melt faces the minute you power it up.
Get Six Epic Mic & Speaker Pairings
By using the UAFX App, you can experiment with six mic and speaker pairings used on countless iconic records. From alt-rock anthems to de-tuned nu-metal brutality, Knuckles ‘92 captures the full essence of playing through one of the greatest aggressive amps ever made!
- UK V30: 4×12 Marshall cab with V30’s
- CA V30: 4×12 Oversized cab with V30’s
- White 75: 4×12 Marshall cab with Celestion 75’s
- 3 bonus cabs: 1×12 EV12, 4×12 Celestion 80, 4×12 Brown
Customize Your Sound with the UAFX App
Unlock deep customization with the UAFX mobile app, allowing you to tweak hidden controls, save boosts and noise gate settings, and even change output tubes and rectifier modes.
Plus, explore artist presets crafted by the world’s top metal guitarists and dual-rec specialists.
Specifications
- Power requirements: Isolated 9VDC, center-negative, 400 mA minimum (sold separately)
- Inputs: 2 x ¼” TS (right input for stereo connections and 4-cable mode)
- Outputs: 2 x ¼” TS (right output for stereo connections and 4-cable mode)
- USB Type-C for updates via computer
- Height: 2.56” (6.5 cm)
- Width: 3.62” (9.2 cm)
- Depth: 5.55” (14.1 cm)
- Weight: 1.24 lbs (0.567 kg)
