Marshall JH-1 The Jackhammer Guitar Effects Pedal

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About this product

For over 50 years, Marshall has been at the forefront of genre-defining overdrive and distortion tone. The Jackhammer captures all that classic Marshall drive and takes it a step further. With extreme distortion capabilities alongside accurate EQ parameters, this pedal means serious business.

  • Switchable overdrive and distortion modes.
  • Fully adjustable - volume, gain, bass, treble, contour level and contour frequency controls.
  • 9v input with passive bypass.
  • Robust, solid housing built for years of playing.


  • Power 9v
  • Inputs: Guitar input
  • Outputs: Signal out/bypass
  • Controls: O/D and dist mode switch, volume/gain control, bass/treble control, contour level/contour frequency
  • Dimensions: 120 mm / 4.7" (W) X 65 mm / 2.6" (H) X 55 mm / 2.2" (D)
  • Weight: 0.51 kg / 1 lbs
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