Get the classic American tube amp sounds that shaped music.
Get the most authentic emulation of a mid‑’60s American tube combo ever placed in a stompbox
Immerse yourself in classic tube‑powered spring reverb and vibrato effects
Take world-class studio amp sound anywhere, complete with legendary mic/speaker pairings, boosts, and amp mods
Download artist tones, customize features, explore presets, and more with UAFX mobile app

Powerful UAFX dual-engine delivers the most authentic mid-'60s American tube combo sound ever placed into a stompbox
Authentic spring reverb and vibrato modeled from a "golden unit" amp heard on more than 100 classic records
Includes the world's best speaker cabinet, mic, and room tones derived from the award-winning OX Amp Top Box
Features "hot rod" amp and speaker mods, plus free additional downloadable speaker cabinets and mics upon registration
Bypass cabinet/mic emulations and use in front of your amp for added tonal flavor and overdrive sounds
UAFX mobile app lets you customize footswitches, recall and archive your presets, unlock additional features, download artist presets, and more
Timeless UA design and craftsmanship, built to last decades