Effect pedals unlock the limitless sonic possibilities of the electric guitar—arguably the greatest noise generator ever created. From Hendrix to Radiohead to Bill Frisell and U2, these colorful boxes have shaped some of the most iconic sounds in music. Whether you're after loopers or fuzz pedals that make you question if your amp is broken, we’ve curated a world-class selection of boutique, vintage, and used pedals to keep your creativity flowing.