BLEASS Spectral Resonator

The deal

$59 at Plugin Boutique (down from $79). Sale ends June 1, 2026.

What it is

BLEASS Spectral Resonator is a spectral processing effect plugin that transforms audio into shimmering harmonic banks with up to 256 harmonics per voice. It goes beyond standard vocoders, offering advanced harmonic manipulation with an interactive 3D Rainbow Spectrogram for real-time spectral filtering. Works on vocals, drums, synths, and guitars to add depth, movement, and vibrant harmonic character.

Who it's for

Sound designers and electronic music producers who want to sculpt complex, evolving textures out of any source material. Useful across genres whenever you need to add harmonic density or movement that standard reverbs and chorus effects can't deliver.

Key features

• Up to 256 harmonics per voice with 4-voice internal generator or 8-voice MIDI polyphony lets you build dense, layered harmonic stacks
• The interactive 3D Rainbow Spectrogram provides intuitive visual control over spectral filtering in real time
• Harmonic shaping tools - Stretch, Shift, Density, Blur, and Unison with Detune - let you sculpt the overtone structure precisely
• Freeze and Kill functions add real-time performance and sound design capabilities