MXR® ROCKMAN® X100™ ANALOG TONE PROCESSORMX100 The MXR Rockman X100 Analog Tone Processor revives the signature sonic character of Tom Scholz’s celebrated headphone amp and signal processor in pedal form, offering crystalline cleans, crunchy harmonics, and shimmering modulation. This pedal requires 9 volts and can be powered by a Dunlop ECB003 9-volt adapter or an MXR® Brick™ Series power supply.