KV331 Audio SynthMaster, Virtual Synthesizer (Download), Semi-modular software synthesizer with wide-ranging possibilities, 2 Layers per instance with 2 global effect busses, 2 Oscillators per layer (basic, additive, vector, wavetable, stereo), 4 modulators, 2 filters (analog, digital, multimode, dual, comb filters) with distortion, 4 ADSR envelopes, 2 multistage envelopes, 2 2D envelopes, 2 LFOs, and 4 keyscalers, Vast 64-slot modulation matrix with 95 modulation sources and over 650 targets, as well as up to 3 sources per destination, Parameters include 8 knobs and 2 X-Y pads for freely-assignable modulations as a macro interface with MIDI control, Versatile arpeggiator/step sequencer with up to 32 steps and MIDI file import, Effects section with flexible routing and 11 effects, Preset browser with separate search criterias and an online preset browser for exchanging sounds via internet, Multiple skins for the selection and creation of own user interfaces, Import of multisamples in SFZ format