CNZ Audio

VDU-20 | Dumbled Drive Overdrive Pedal


Professor DumbledPedal - Headmaster of CNZ's School of Overdrive

Named in homage to boutique amp legend, Alexander 'Howard' Dumble, our SDU-20 Dumbled Drive pedal is a customer favorite. Our goal with this pedal is to provide classic, boutique overdrive tones at a budget-friendly price. Unlike distortion pedals, an overdrive's effect on your tone is heavily dependent on your gain/volume going in, through, and out of your pedal. At low gain, overdrive effects have a warming influence on your tone. The more drastically you dial it up, the more breakup and velocity there is. Our Dumbled Drive gives you independent Gain, Volume, Voice, and Tone knobs to dial in your overdrive from soft and warm to soaring and broken-up.


  • The Dumbled Drive creates a rich and powerful overdriven sound
  • Perfect your amount of distortion with the Gain Adjustment
  • Change the coloration of your tone with the Voice Knob
  • Treble Knob adjusts High and Mid-Range Frequencies
  • True Bypass provides transparent tone when off
  • Solid Aluminum Housing with Firm Foot Switch


  • Dimensions: 3.75 L x 1.77 W x 1.9H Inches
  • 9VDC Input (- center, + outside), 10 mA
  • 470K Ohms Input Impedance
  • 1K Ohms Output Impedance
  • 10mA Working Current
  • .53 lbs (including box)
  • Solid Aluminum Housing on All Sides
  • 1/4 Inch Input and Output Connectors




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