Knuckles '92 Dual Rec Amplifier delivers the scorching high-gain sound that has powered legendary punk, hard rock and metal bands from Foo Fighters and Incubus to Nevermore, Dream Theater and more*

With six classic mic and speaker combinations, a built-in TS-style OD/boost and a noise gate, the Knuckles puts the authentic, genre-defining sound of one of the world's wildest high-gain amps under your feet.

Plug into the Californian king of high gain

Whether you're looking for the crunchy power chords of Dave Grohl and Incubus' punk and alternative anthems or the complex aggression of Nevermore and Dream Theater, the Knuckles '92 puts one of the most versatile multi-channel amps ever built right on your pedalboard*

Discover a palette of Rectifier tones

Use the infamous green, orange and red channels to discover perfect cleans through to bone-crunching crunch and blistering lead tones. Then experiment with EL-34 or 6L6 power tubes and switch between solid-state and tube rectifiers for ultimate control and feel at your fingertips.

Play over perfect preamp boosts

Knuckles '92 is equipped with a classic TS-style overdrive - a proven component for tight, articulate playing - and an integrated preamp boost known for sophisticated modern metal tones. In addition, the built-in noise gate ensures a clear sound even at extreme gain settings, so you'll make jaws drop as soon as you switch it on.

Get six ultimate microphone & speaker combinations

Experiment with six microphone and speaker combinations that have been used on countless legendary albums. From alt-rock anthems to down-tuned nu-metal brutality, Knuckles '92 captures the full essence of playing through one of the best aggressive amps ever built*

UK V30 : 4x12 Marshall cabinet with V30s

CA V30 : 4x12 oversized cabinet with V30s

White 75: 4x12 Marshall cabinet with Celestion 75s

3 Bonus Cabs: 1x12 EV12, 4x12 Celestion 80, 4x12 Brown*

*Available via the UAFX Mobile App.

Custom sounds with the UAFX app

With the UAFX Mobile App you can go deep and customise hidden controls, save boosts and noise gate settings and even change power amp tubes and rectifier modes.

You can also discover artist presets created by the best metal guitarists and dual-rec specialists in the world.