****** Authorized Electro Harmonix Dealer ******
Here we have a new Electro Harmonix Germanium 4 Big Muff Distortion Pedal.   The big one that has it all!  Independent Overdrive and Distortion sections. Each with their own controls.  It sounds huge!!!!   You can run them independent or stack them together for maximum gain!   Thanks for looking and happy buying!

From EHX site…
Germanium 4 Big Muff Pi Distortion/ Overdrive Combining four classic germanium transistors, the Germanium Big Muff Pi is the result of a focused modern design dripping with EH analog heritage. An independent overdrive and distortion each have their own sets of two germanium transistors as well as independent controls. The ability to stack and use both the overdrive and distortion together delivers the power of a four germanium transistor circuit with ultimate control flexibility. 

Quick Specs Individual overdrive and distortion with the ability to stack them together 4 individual Germanium Transistors Each mode of drive mode uses its own 2 germanium stack Overdrive and distortion can be stacked utilizing four germanium transistors Bias and tone control define the tonality in overdrive Volts and Bias define the way the distortion will react Starving battery sound through volts control adds character Battery equipped with optional 9.6DC-200 power supply Dimensions in inches: 4.75 (w) x 5.75 (l) x 2.5 (h) Dimensions in mm: 146 (w) x 121 (l) x 64 (h