Our take on the venerable Muff circuit. We took two Muffs from different eras and made them work together. We also widen the gain range, added an independent MIDS controls for versatility, and rounded everything off with our special MOSFETs to give it ZenZero's signature crunch.

The 2KP is the only pre-amp / booster you will ever need. Sweet, clean and bright or aggressive, dirty, and warm, the 2KP does it all.

"Swiss Army Knife of booster goodness. Simplicity, broad function, great tones. Win, win and win again." - Brett Kingman

The Red Crown is a vintage overdrive & hi-energy distortion, designed in collaboration with Scotty Smith of ProAnalog Devices.