Used Line 6 FM4 Filter Modeler Effect Pedal

Explore funky sweeps and synth-like textures with this used Line 6 FM4 Filter Modeler in good condition. Packed with classic filter, wah, and envelope effects plus quirky models like Tron-style and synth filters, it’s a creative tone tool for guitar or bass. Features stereo outputs, expression pedal input, tap tempo, and four programmable presets for quick recall. Rugged pedalboard-ready design delivers versatile modulation and filter shaping for stage or studio.