Universal Audio UAFX Ruby '63 Top Boost Amplifier
Powerful UAFX dual-engine delivers the most authentic '60s British tube combo sound ever placed into a stompbox
Includes the world's best speaker cabinet, mic, and room tones derived from the award-winning OX Amp Top Box
Features "hot rod" treble booster, preamp boost, and speaker swaps, 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
