Xotic Effects BB Plus Booster/Overdrive. Seems like a really cool pedal, especially for smoothing out really high gain sounds and making them more musical.
Xotic Effects BB+ Preamp
Xotic Effects BB Plus Preamp Pedal | Cream City Music
Xotic BB Plus Preamp and Boost | Reverb UK
Xotic BB Plus Overdrive / Boost Pedal
Xotic Effects BB Plus - Pedal de efectos para guitarra (2 canales) : Amazon.com.mx: Instrumentos Musicales
素晴らしい価格 xotic BB plus エフェクター - education.semel.ucla.edu