Sequential Prophet Rev2 Keyboard The Sequential (Dave Smith Instruments) Prophet Rev2 Keyboard is an 8-voice desktop keyboard synthesizer. While retaining all the features of the Dave Smith Prophet ’08, the Prophet Rev2 Keyboard improves and expands on them creating. It has twice the polyphony, twice the mod matrix, waveshape modulation on all waveforms, digital effects per layer in stacked or split voice mode, a polyphonic step sequencer per layer, and more. The result is a true analog powerh… read more