Spire is a polyphonic synthesizer software that offers a powerful sound engine modulation and flexible architecture. It features a user-friendly graphical interface that allows for unparalleled usability.

Key Features:

• Four multimode oscillators with classic, noise and FM modes
• Nine unison voices on each oscillator with spread control
• Two multimode filters with 12/24dB LP, HP, BP, Notch, and Comb filter types
• Four envelopes with looping, ADSR, and AHDSR modes
• Three LFOs with tempo synchronization, reset, delay and fade-in functions
• Modulation matrix with 4 macro knobs and 15 slots
• Built-in arpeggiator and step sequencer
• 4x macro control modulation slots
• 64-step polyphonic step sequencer
• Extensive preset library

System Requirements:

Windows PC
Windows 7 or higher
VST 2.4, VST3 or AAX compatible host software
2.5 GHz processor or higher
8 GB of RAM or more
100 MB of free hard disk space

MacOS
OS X 10.8 or higher
AudioUnit, VST 2.4, VST3 or AAX compatible host software
Intel-based 2.5 GHz processor or higher
8 GB of RAM or more
100 MB of free hard disk space