Used Keeley Neutrino Effect Pedal

Bring expressive, funk-ready dynamics to your rig with this used Keeley Neutrino Envelope Filter pedal in good condition. Designed for guitar or bass, it delivers touch-sensitive auto-wah tones with fast, musical response. Simple controls for sensitivity, filter selection, and direction help you dial in everything from subtle quack to bold, synthy sweeps. Built in a compact stompbox format with standard 1/4" input/output and 9V DC power compatibility, it’s ready for stage or studio.