Master the swell with the Pico Swello

Discover the Electro-Harmonix Pico Swello, a polyphonic attack envelope pedal designed for guitars, synthesizers, and ambient effects that allows you to individually control the attack of each note or chord, in addition to incorporating a low-pass filter with modulation. Ideal for creative musicians, producers, and technicians looking for immersive textures, organic swells, and fine control over dynamics and tone.

Key features of the Pico Swello

Four intuitive controls: VOL, ATTACK, FREQ, MOD

Polyphonic attack envelope: each note gets its own swell

Low-pass filter with engage button + adjustable resonance

Compact chassis design (Pico series) for pedalboards

What makes the Pico Swello special?

The Pico Swello stands out by offering dynamic control that is unusual in a pedal of this size, allowing everything from fast attack cuts to long ambient swells, combined with a modifiable filter to generate unique textures. Its compact format makes it perfect for crowded pedalboards, while its expressive character makes it valuable for both creative beginners and professionals in live or studio settings.