USED Mad Professor Royal Blue Overdrive 20th Anniversary pc multiviewer touchscreen and USB video/audio

multiviewer touchscreen and USB video/audio streaming into a stand-alone device

and cool – with each color temperature having a 10-step dimmer to adjust the brightness level

The SQ-7 offers 16 softkeys

fully functional and tested clean

USED Mad Professor Royal Blue Overdrive 20th Anniversary pc multiviewer touchscreen and USB video/audioThe Mad Professor Royal Blue Overdrive (20th Anniversary Edition) is a highly dynamic, touch sensitive drive pedal that lets your guitar and amp shine through. Its designed for players who want clarity, articulation, and amp like breakup that responds beautifully to picking strength and guitar volume. From edge of breakup to rich, harmonically complex drive, this one delivers in that unmistakable Mad Professor way. Key Features: 20th Anniversary