Note that Ruby '63 Top Boost Amplifier requires a modern 400 mA isolated power supply (sold separately).
*Requires a compatible USB MIDI host, controller, or interface.
**Use of artist names does not constitute official endorsement of UAFX Ruby '63 Top Boost Amplifier pedal.
***Product names used herein are trademarks of their respective owners, which are in no way affiliated with Universal Audio Inc. These name(s) are used solely to identify products studied in the creation of the sound models found in Ruby '63 Top Boost Amplifier.