FM-Four ? is a simple VST instrument that recreates four operators FM synthesis with some improvements like good known YAMAHA OPL/OPL2 chipsets. FM-Four can produce wide range of timbres that are rich in harmonics. Main features: - 8 FM Algorithms - 4 operators with coarse and fine tuning - 8 waveforms per operator (Sinus, Half-sinus, Abs-sinus, Quarter-sinus, Square, Triangle, Half-triangle, Abs-triangle) - Multimode LFO synced with BPM and with Random mode - 4 filters - 8 stage envelope generator for multimode modulator - Distortion - Internal chorus - Internal 10 bands equalizer - Easy control with pop-up menus - 64 factory presets - Built-in preset manager with ability to patch name editing In addition, VST automation and full MIDI Learning are supported.