Electro-Harmonix Pico Swello Attack Envelope Effect PedalThe Electro Harmonix Pico Swello is a groundbreaking compact effects pedal designed to deliver rich, polyphonic volume swells and reverse effects with unmatched precision. Drawing inspiration from the renowned POG2 Polyphonic Octave Generator, the Swello automatically applies a smooth, natural volume envelope to each noteno need to tweak sensitivity or alter your playing technique. Perfect for guitarists seeking ambient textures, cinematic swells, or