State variable filter with envelope or LFO modulation. Allows it to act like a mixable blend of highpass, lowpass or bandpass filter. Similar to a mutron III. Also useful for classic wah pedal emulation when wah parameter is controlled by an expression pedal.
This is a companion discussion topic for the original entry at https://pedalboards.moddevices.com/plugins/aHR0cDovL3Jha2FycmFjay5zb3VyY2Vmb3JnZS5uZXQvZWZmZWN0cy5odG1sI011VHJvTW9qbw==