Sequential Prophet Rev2 8-voice Polyphonic Analog Synthesizer ModuleThe Sequential Prophet Rev2 8 Voice Polyphonic Analog Synthesizer Module in Black is an absolute beast that boasts dual DCOs, a sub oscillator, and a 2 4 pole resonant lowpass Curtis filter per voice. Other features includes and advanced polyphonic step sequencer, a crisp OLED display, and USB. High Quality Sound Experience unparalleled sound quality with dual DCOs, a sub oscillator, and a 2 4 pole resonant lowpass Curtis filter per voice, ensuring