The Keeley Neutrino Envelope Filter V2 is an advanced envelope filter pedal that offers incredible vocal-like tones for guitar, bass, and keyboards. It features improved note tracking and upgraded components, ensuring a robust performance. This pedal employs an opto-coupler design to create automatic wah sounds based on your pick attack, delivering a smooth and expressive tonal palette. The pedal comes with three filter settings, including High, Low, and Band Pass, and provides options for adjusting the filter range and direction. With true bypass and a sturdy build, this pedal is designed to suit both live performance and studio use, making it an essential tool for any musician.