Proton v4 (Icefall)

The Proton from 3Leaf Audio is an envelope filter effects pedal designed to deliver the signature tonal response of the original unit, now enhanced with additional control options and modern switching. This envelope filter pedal includes a dedicated decay control for adjusting the filter’s envelope fall time, as well as soft-touch relay true bypass switching for noiseless operation and signal integrity. The updated custom enclosure provides both durability and a streamlined pedalboard footprint. All controls are accessible for efficient tonal shaping. Features: - Envelope filter pedal - Decay control for adjustable envelope fall time - Soft-touch relay true bypass switching - Custom, compact enclosure - 9V DC power operation compatible with standard pedalboards - Designed for maximum ease of use with minimal control adjustment