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3Leaf Audio Proton Envelope Filter Mk3 Mk1


Controls & Settings





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Gear Description & Specs


The 3Leaf Audio Proton Envelope Filter Mk3 Mk1 represents an early version of the updated Proton design. Known for its smooth envelope tracking and expressive filter sweeps, the pedal delivers classic auto-wah tones suitable for funk, fusion, and modern styles. The circuit responds dynamically to picking intensity, allowing players to shape the filter movement through their playing technique. With intuitive controls and boutique build quality, the Proton Mk3 Mk1 provides reliable and musical filter effects. Discover tone ideas and pedalboard setups for the 3Leaf Audio Proton series on PedalPlex.

3Leaf Audio filter