Product Demo: The Digitech Dirty Robot

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The Digitech Dirty Robot Synth pedal takes manipulating guitar & bass tones to the next level. Including octave, sub, envelope & square wave controls, the Dirty Robot lets you into a plethora of tonal detail needed to replicate fat, analogue synth tones.

In recent resurrections of electro-funk madness, synth tones are becoming more and more sought after in a live band environment. It is now expected that the bass player in the band will deliver these low-end monster tones with no excuse! You can lug around a Moog / Korg / Roland synth as well as your fridge-sized bass amp OR you can delve into the world of synth guitar pedals. The Digitech Dirty Robot will have you covered.

At a first glance it is quite intimidating the amount of control you have with this powerful unit. Synth, Vocal, Envelope, Sub, Blends and Drift controls staring back at you, take a breath and get playing. The controls all start to sonically make sense once you sit down with the pedal for five minutes.

Check out the video below and see how easy it is to knock up some excellent, usable tones in seconds.

– Steve Lane

The Digitech Dirty Robot in its natural environment.
The Digitech Dirty Robot in its natural environment.


  • Two voices, Synth and Vocal Formant
  • Drift Knob blends Square Wave with Octave and Sub
  • 3 concentric knobs give you tons of control in a small form factor
  • Momentary switch to access virtual “mod wheel”
  • Stereo inputs and outputs
  • True bypass
  • Stomplock™
  • Custom-cut Hook and Loop Pedalboard Pad


Controls: Mix, Modulation, Drift, Start, Stop, Sensitivity, Time, Effect on/off: Footswitch
Indicators: Effect on/off LED
Inputs: 2 x ¼” instrument
Input Impedance Effect on: >1 MΩ (stereo), >500 kΩ (mono); Effect off: >1 MΩ (stereo), >500 kΩ (mono); Effect off: True hardwire bypass
Outputs: 2 x ¼” instrument
Output Impedance: Effect on: 1 kΩ; Effect off: 1 kΩ; Effect off: True hardwire bypass
Power Requirements: 9 VDC external power supply (required)
Power Consumption: 675 mW (< 75 mA @ 9 VDC)
Current Draw: 75 mA (typical at 9 VDC)
Power Supply Model: PS0913DC-01 (US, JA, EU); PS0913DC-02 (AU, UK)
Power Supply Output 9 VDC 1.3 A
Dimensions 4.40” (L) x 2.65” (W) x 2.0” (H); 11.18cm (L) x 6.73cm (W) x 5.08cm (H)
Weight 1 lb; 0.453 kg

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