Electro-Harmonix Pico Shimmer Cosmic Reverb Pedal - Black

The Electro-Harmonix Pico Shimmer Cosmic Reverb pedal packs expansive ambient textures into the ultra-compact footprint of the EHX Pico NYSC DSP Series. Building on shimmer algorithms developed for the acclaimed Oceans Reverb lineup, this compact effects pedal combines shimmer reverb, pitch shifting, modulation, delay and synthesis to create everything from lush cinematic ambience to glitch-inspired atmospheric textures. Three selectable scenes—Intergalactic, Off-World and Etherdust—offer distinct voices ranging from classic octave shimmer and synth-like pads to experimental randomized delay effects. Designed for players seeking immersive spatial sounds without sacrificing valuable pedalboard space, the EHX Pico Shimmer Cosmic Reverb delivers deep sound-design potential through an intuitive set of performance-friendly controls.

Three Distinct Shimmer Reverb Scenes

The Pico Shimmer features three unique ambient scenes, each offering its own sonic personality. Intergalactic delivers a classic shimmer effect built from polyphonic octaves, reverb, modulated delay and string-style synthesis, creating expansive textures that can move from traditional plate reverb to immersive ambient pads. Off-World introduces a smoother, more mellow shimmer voice with enhanced modulation and vintage synthesizer-inspired ambience, ideal for warm atmospheric layering. Etherdust takes the pedal into experimental territory with randomized delay times that create glitchy stutters, granular sparkles and fragmented echo textures.

Deep Ambient Control in a Compact Design

Despite its streamlined layout, the Pico Shimmer offers extensive tonal shaping capabilities. The Blend control adjusts the wet/dry reverb mix, while Tone shapes the brightness of the overall effect. Time controls the decay length, ranging from short ambience to massive infinite reverb textures. Finally, the Voice control morphs the effect character between clean plate-style reverb, traditional shimmer and ethereal synth-like ambience, allowing players to dial in highly customized atmospheric sounds.

Performance Features and Infinite Reverb

The Pico Shimmer's Scene button provides access to all three shimmer modes and unlocks secondary control functions for adjusting reverb mix, delay time, modulation depth and modulation rate. Pressing and holding the footswitch activates Infinite Reverb for sustained pad-like textures and dramatic ambient swells during performance. The pedal also offers three selectable buffered bypass modes—digital, analog and hybrid—for flexible integration into a variety of rigs. Compact, versatile and supplied with a power adapter, the Electro-Harmonix Pico Shimmer Cosmic Reverb pedal delivers lush shimmer, synth-like ambience and glitch-inspired textures in a pedalboard-friendly format.