What Electro-Harmonix say:
The little brother of the Metal Muff family takes the most powerful features and packs them into a slick die-cast box. Carefully selected mid frequencies are switch-selectable, offering powerful musical scoops. Heavy Metal firepower with slag simplicity.
Quick Specs
True bypass
Switch selectable EQ range for midrange scoop control
Selectable distortion amount
Master Volume control
Metal Power in a pedalboard-friendly design
Tough and compact die-cast chassis
9-volt battery included
Optional 96DC-200BI power supply available
Dimensions in inches: 2.75 (w) x 4.5 (l) x 2.1 (h)
Dimensions in mm: 70 (w) x 115 (l) x 54 (h)