MXR M77 Custom Badass Modified Overdrive Pedal

Sale price$119.99


MXR Custom badass modified O.D.

This pedal features a classic overdrive circuit that's been upgraded with a 100HZ control and a Bump switch for improved performance and versatility.
This pedal can be powered by a 9-volt battery, a Dunlop ECB003 9-volt adapter, or the DC Brick™, Iso-Brick™, and Mini Iso-Brick™ power supplies (not included).


  • Classic overdrive circuit hot-rodded for added versatility • Adds sustain and gain without coloring your guitar’s tone
  • 100HZ knob allows a more focused EQ when cut or a beefier tone when boosted
  • The BUMP switch engages an alternate EQ voicing that boosts lows and mids
  • True bypass
  • The MXR Custom Badass Modified O.D. is powered by one 9-volt battery (remove the bottom plate to install), a 9-volt AC adapter such as the Dunlop ECB003/ECB003E, or a DC Brick power supply.


  • Input Impedance: 1 MΩ  
  • Output Impedance: <7.5 kΩ  
  • Noise Floor: >87 dB 
  • Tone Control:  ± 8 dB at 2.7 KHz 
  • 100HZ Control:  ± 24 dB at 100 Hz 
  • Bump Button: +6 dB low ~ mid boost -3 dB at 540 kHz
  • Gain Control: ± 25 dB range at 100 Hz 
  • Bypass: True Hardwire 
  • Power Draw:  <4 mA  

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