Spire

The deal

$76 at Plugin Boutique (down from $189). Sale ends May 31, 2026.

What it is

Spire is a polyphonic hybrid synthesizer from Reveal Sound built around four multimode polymorphing oscillators, each switchable between seven modes including Classic, FM, AMSync, SawPWM, and Vowel. It pairs a deep unison engine (up to 9 voices per oscillator with chord and octave spreading) with six multimode filter types and a full onboard effects stack. Known for its broad factory preset library and versatile architecture, it's a workhorse synth for leads, pads, plucks, and basses.

Who it's for

Electronic music producers who want a single synth that handles multiple sonic roles across genres. It's especially popular in EDM, trance, and progressive house, but the oscillator modes and filter variety make it useful in any genre.

Key features

• Four polymorphing oscillators with seven modes per oscillator, covering Classic, Noise, FM, AMSync, SawPWM, HardFM, and Vowel synthesis
• Unison engine with up to nine voices per oscillator plus chord and octave spreading for wide, rich textures
• Six multimode filter types including Perfecto, Infecto, Acido, and Scorpio, each with distinct character
• Over 1,000 factory presets plus an AI preset generator (RS AI) that creates new sounds using neural networks