This pedal emulates the sound and dynamics of a cranked Fender Tweed Champ.    PCB (GUITAR BOOST PCB) This PCB allows to build several projects: LINEAR POWER BOOSTER, BASS BOOSTER HOGS FOOT, TREBLE BOOSTER SCREAMING BIRD, TREBLE BOOSTER BRIAN MAY, ELECTRA DISTORTION, CHAMP and WOODROW.