Electro-Harmonix XO Holy Grail Plus Variable Reverb Guitar Effects Pedal

  • Item # 1004494
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For years the Holy Grail pedal has been the musician's choice for reverb. The Holy Grail Plus Pedal from Electro-Harmonix adds room reverb and a multifunction decay/damping/modulation speed control. T… Learn More


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One of the most revered guitar reverb effects reinvented.


  • Controls: Blend, Amount, and Reverb Type (Hall, Room, Spring)
  • 1/4" input and output
  • DC power input for battery replacement.
  • LED indicates whether effect is engaged or bypassed.