The Mad Professor Ruby Red Booster CB is a treble boost and clean boost in one sweet little box. With the Mad Professor Ruby Red Booster CB you can use any combination of treble boost, clean boost or overdrive.
The Mad Professor Sweet Honey Overdrive CB is the circuit board version of Mad Professor's classic low gain touch sensitive overdrive. The Mad Professor Sweet Honey Overdrive CB has the same circuits and components as the classic Sweet Honey OD.
The Mad Professor Little Green Wonder CB is a foundation overdrive with a unique lower-mid frequency bump control. Now available in a Printed Circuit board format with all the same attention to detail present in the hand-wired version.