Featuring controls for pulse width, tone and volume, the ZVex Mastotron is a silicon-based pedal perfect for the guitarist who wants a fuzz accent on their pedal chain. Built for precise sculpting, the Mastotron is a little pedal with a big presence.

Product Specs

  • Mastotron
  • Blue
  • 2010s
Made In
  • United States

From the Price Guide

Reviews for the Zvex Mastotron Fuzz
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  • Verified Purchase

    Sounds awesome

  • Filthy fuzz!

    Verified Purchase

    This pedal sounds ridiculous! (in a good way) Never found a fuzz before that works so well with bass... Very versatile too!

  • Nasty

    Verified Purchase

    Great sounding Fuzz. I bought this pedal specifically for a fuzzy bass synth sound to pair with my OC-3 pedal. My only complaint is that it would be nice to be able to control the Gate. As you add effects with this pedal, it can get kind of sloppy when the sound cuts out.

  • Great tones and flexibility - splatty gated fuzz, wall of doom, or soaring leads

    Verified Purchase

    This is a fantastic piece of kit, really easy to use, and incredibly flexible. The subs switch was especially useful in shaping the low-end and it works well on bass too. I snagged this for a friend who is a St. Vincent fan but I could use this for rock songs, ambient shoe gaze, to sludge and beyond…

  • I'm not a pedal expert, but this pedal is a lot of fun

    Verified Purchase

    It's my first fuzz so I can't compare it to other fuzz pedals. I use it with bass guitar. It does have an option that lets you decide the amount of bass frequencies the pedal should produce. I find this very practical. It also let's you fine tune how hot should the input be. I had no problem getti…