XILS LAB, leader in virtual synthesis technology, is proud to announce the launch of PolyKB mk II, the recreation of a very rare and very powerful polyphonic synthesizer released in the 80’s. PolyKB II captures the sound and spirit of the legendary RSF PolyKobol Analog synthesizer including one of it’s most stunning features : A continuous morphing Oscillator, which can be fully modulated by many sources.