The pit bull of distortion boxes.

The Electro-Harmonix Metal Muff with Top Boost features 3 powerful EQ bands that are ideal for sculpting mids and a total of 6 controls for shaping sound precisely your way. Top Boost adds serious bite with its own control knob and footswitch button.

Electro-Harmonix XO Metal Muff with Top Boost Distortion Guitar Effects Pedal Features:

• Volume, Top Boost, Treble, Mid, Bass, and Distortion knobs
• Boost and bypass footswitches

Get armed and dangerous. Order Metal Muff with Top Boost right now.

Electro-Harmonix XO Metal Muff with Top Boost Distortion Guitar Effects Pedal Specifications:

• DISTORTION CONTROL — adjusts the amount of input gain.
• The optional 9V power supply from Electro-Harmonix is US96DC-200BI 9.6 volts/DC 200ma. The barrel connector on the front of the METAL MUFF is for the 9-volt battery eliminator capable of delivering 100 mA of current. The inner ring of the 9-volt battery eliminator must be negative, the outer ring positive.