The UAFX Ruby '63 Top Boost Amplifier pedal gives you the quintessential British valve amp beloved by artists and producers for over 60 years, from Queen to U2 to Radiohead.

Built on powerful dual-engine processing and UAD modeling expertise, the Ruby '63 effects pedal delivers choirboy cleans, complex overdrive, and classic vibrato.

• 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