GSS-370 | Free FM Synthesizer VST Yamaha PSS-370 Emulation

GSS-370 | Free FM Synthesizer VST

GSS-370 is a free FM Synthesizer VST instrument plugin which approximate emulation (sound-a-like) of the Yamaha PSS-370’s synthesizer. “Circuit-bending” modifications have been added as well.


  • the PSS-370’s digital synthesizer controls (5 waveforms, octave of modulating oscillator, frequency modulation level, Attack, Decay, and level. Vibrato and sustain(release) switch included)
  • Switch between standard and ‘circuit-bent’ controls
  • Decibel reading and peak indicator.
  • Gain (boost)
  • V-Mod (amount note velocity will affect vibrato depth)
  • Filter with cutoff, resonance (both LFO controllable), fill, and dry knobs.
  • LFO with frequency and depth controls
  • Send LFO to: Pitch, PWM (active when Wave=5/pulse), Pan, or Volume. On/off switch included.
  • Power on/off
  • Mod wheel controls LFO frequency


Price: Free

Info & Download >> SynthIV / GSS-370

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