Spire is a software polyphonic synthesizer that combines powerful sound engine modulation and flexible architecture, a graphical interface that provides unparalleled usability. Spire is the embodiment of the best opportunities, both software and hardware synthesizers.
Spire Synthesizer - the combination of best opportunities of software and hardware synthesizers
Features
4x multimode polymorphing oscillators Classic, Noise, FM, AMSync, SawPWM, HardFM, Vowel
Spread unison voices by chords and octaves
Capable of imitating different types of unisons like supersaw, hypersaw
9x unison voices on each oscillator
2x multimode filters with analogue and digital types of filtering Perfecto, Infecto, Acido, Scorpio, Combo, Shaper
Shaper/Decimator, Phaser/Vowel, Chorus/Flanger, Delay, Reverb
4x Macros
4x Envelopes
4x LFOs with morphing shapes
4x targets
Surprisingly user friendly and fun to use!
Over 900 factory presets including complex arpeggios and bass sequences, a versatile assortment of leads, exhilarating pads, plucks, drums and FXs
Tech Specs
MAC
 
OS X Mac OS X 10.8 or higher
CPU: Modern powerful CPU
WINDOWS
 
Windows Windows 7/8/10 
CPU: Modern powerful CPU