Used Maxon AF9 Auto Filter Dynamics Effect Pedal

Bring funky, touch-sensitive sweep to your rig with this Used Maxon AF9 Auto Filter Dynamics Effect Pedal in great condition. Its classic envelope filter responds to your picking dynamics for everything from subtle quack to deep, vowel-like funk tones. Controls include Sensitivity and Peak (resonance) to shape the filter’s response, plus level control for easy mix placement. Designed for standard instrument input and pedalboard-friendly operation, it delivers vintage-style filter character with reliable performance.