KV331 Audio SynthMaster One, Virtual Synthesizer (Download), Wavetable Synthesizer with intuitive operation, Semimodular architecture with 2 oscillators, 2 sub-oscillators, 2 filters, 4 ADSR envelopes, 2 LFO, 16-step arpeggiator/sequencer and 6 effect slots with 11 effects, Stereo oscillators with numerous wavetables, import function for Wave files, up to 16-voice unison and many adjustable parameters, Filter section developed in Zero-delay feedback technology with a total of 13 different characteristics, Versatile arpeggiator/step sequencer with up to 16 steps and MIDI file import, Preset browser with many search criteria