This Pedal is currently available.
Overdrive using JRC4558
Three modes tube tone overdrive guitar effect pedal
Using the classical JRC4558 chips to produce tone which is similar to tubes'.
Three patterns of seal designed dustproof potentiometer to ensure its life.
Biyang MAD DRIVER OD-10 "BABY BOOM!"
Biyang Babyboom OD-10 Mad Driver
Biyang OD10