Quick start, Adjusts the pre-drive for the selected effect, Adjusts the post-drive for the selected effect – Source Audio Soundblox Pro Classic Distortion Pro User Manual

Page 3: Select preset bank a (presets, Or b (presets, Selects the type of distortion, Adjusts the output level of the effect, For hot hand use only, Power to power the unit, connect the included, Adapter power supply to the