Discover the searing high-gain sound that fueled legendary alternative rock and metal bands, from Foo Fighters and Incubus to Metallica, Tool, and many more.*
With six classic mic and speaker pairings, a built-in TS-style OD/boost, and a noise gate, Knuckles '92 puts the authentic, genre-defining sound of one of the most ferocious high-gain amps ever made under your boots.
Plug into the famous 1992 Rev F Dual Rec amplifier tones that fueled punk, alt-rock, and metal from the '90s onward**
Dial in a genre-defining sound with the TS-style overdrive, preamp boost, noise gate, channel switching, and more
Experiment with six classic mic/speaker pairings used on classic alt-rock anthems and metal records
Play presets designed by dual-tracking specialists; or customize and save your own sounds in the UAFX Control mobile app
Plug into the California king of high gain
Whether you're looking for the gritty power chords of punk and the alt-anthems of Dave Grohl and Incubus, or the complex aggression of bands like Metallica and Dream Theater, Knuckles '92 puts one of the most versatile multi-channel amps ever created right on your pedalboard.*
Discover a range of rectifier tones
Use the famous Green, Orange, and Red channels to explore everything from pristine cleans to crushing crunch and searing lead tones. Then, experiment with EL-34 or 6L6 power tubes and switch from solid-state to tube rectification for ultimate control and feel under your fingers.
Play with perfect preamp boosts
The Knuckles '92 is equipped with a classic TS-style overdrive, a proven component for tight, articulate playing, and a built-in preamp boost, famous for sculpted modern metal tones. And its onboard noise gate keeps your sound tight, even at mind-blowing gain levels.
Get six pairs of epic mics and speakers
With six mic and speaker pairings used on countless iconic records, the Knuckles '92 captures the full essence of playing through one of the greatest aggressive guitar amps ever made.
Three stock cabs • UK V30: Marshall 4x12 cab
with V30s** • CA V30: Oversized 4x12 cab
with V30s • White 75: Marshall 4x12 cab
with Celestion 75s**
Three bonus cabs†
• 1x12 EV12**
• 4x12 Celestion 80**
• 4x12 Brown
† Available with UAFX Control mobile app
Customize your sound with the UAFX Control app
Unlock deep customization with the UAFX Control mobile app. Tweak hidden controls, save boost and noise gate settings, and even swap output tubes and rectifier modes. Plus, explore artist presets created by the world's top metal guitarists and dual-tracking specialists.