Voxynth is a synthesizer (AU), which can be used to create vocal sounds or synthetic choirs. In addition, the MIDI synth has a stereo delay and comes with 64 factory patches and a manual (Adobe Acrobat). Voxynth has 3 oscillators per voice, pitch modulation, an amplitude envelope and a multimode formant filter, which can be modulated by an envelope or using Voxynths Performance Keys. The bundle inludes 15 other plugins.