Boss Boss MD2 Mega Distortion Guitar Effects Pedal

Code: Boss MD2
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Boss MD2 Mega Distortion Guitar Effects Pedal

Unique design, unique distortion

The Boss MD-2 Mega Distortion is somewhat of an odd beast in that it has no clipping section, all the distortion comes from a two-stage distortion circuit. Its heavy sound is all thanks to ingenious design features in place of a traditional clipping stage. The capacitors at the input and output of the transistor stage are not polarised enough to function properly with the input/output AC signal so this will likely add distortion, along with the emitter follower follower at the output of the stage due to the high level of the signal and its own slight asymmetrical bias. This is on top of the fact that this entire section itself adds some asymmetric distortion thanks to using both PNP and NPN transistors. All these factors combine to generate crossover distortion and give the MD-2 it's totally unique sound and distorted tones.


  • Produces extreme, low-end distortion for modern metal and hard rock
  • Gain Boost circuit creates huge distortion and sustain regardless of level
  • Bottom control offers bottom-heavy distortion matched to 6 and 7-string guitars
  • Tone control adjusts balance between high and low frequencies



  • Nominal Input Level: -20 dBu
  • Input Impedance: 1 Mohm
  • Nominal Output Level: -20 dBu
  • Output Impedance: 1 kohm
  • Recommended Load Impedance: 10 kohms or Greater
  • Bypass: Buffered
  • Controls: Gain Boost, Distortion, Tone/Bottom, Level, Pedal Switch
  • Indicator: Check Indicator
  • Connectors: 1/4'’ Input Jack, 1/4'’ Output Jack, DC in Jack
  • Power Supply: Current Draw: 18 mA
    • Carbon-Zinc Battery (9 V, 6F22) or Alkaline Battery (9 V, 6LR61)
    • AC Adaptor (PSA Series: Sold Separately)
  • Expected Battery Life Under Continuous Use: Accessories: Owner's Manual, Leaflets, Carbon-Zinc Battery (9V, 6F22)
    • Carbon: Approx. 19 Hours
    • Alkaline: Approx. 38 Hours


  • Width: 2.875’’ (73 mm)
  • Depth: 5.125’’ (129 mm)
  • Height: 2.375’’ (59 mm)
  • Weight: 0.41kg (15 oz)

Requires PSA240 Power Supply - Not Included

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