The Waldorf Quantum is a Hybrid Polyphonic Synthesizer that’s been co-engineered by synth pioneer and legend Axel Hartmann. Based around a very tightly controlled hybrid architecture that neatly blends together the best of Digital and Analogue Synthesis.
The Waldorf Rocket is a single oscillator synthesizer module with an analogue multi-mode filter. Though Rocket has a single oscillator voice structure it has some neat tricks on board that provide synthesis way beyond the capabilities of a standard mono.