Digital - Analog 8-Voice polyphonic synthesizer with 61 keys high-quality Fatar TP8S keyboard. Quantum combines the raw power of a classic digital and analog hybrid synthesizer, with futuristic sounds that are only possible with today’s software synthesizers. Eight voices with three oscillators per voice (each capable of four synthesis algorithms), two analog lowpass filters per voice, and multitimbral splits and layers provide a wealth of sonic possibilities. Modulation options come courtesy of six LFOs and six loopable envelopes with multistage LFO/envelope modulator, while Quantum's multi-touch display offers visualization and deep sound-editing capabilities. Other features include internal 4 GB memory and SD card slot for loading user wavetables and samples, arpeggiator and step sequencer, master effects, and versatile I/O options. 2x stereo audio out for main and aux timbres. Stereo audio input for sample recording and real-time processing. High-Quality 24bit A/D and D/A converters. Headphone out with separate level adjustment. Sustain pedal input. Control pedal connector also capable of CV input (0-5V sensitivity). USB host type A connector for interfacing MIDI controller. USB device type B connector for interfacing computer or other class-compliant MIDI USB hosts like iOS devices. DIN MIDI In, Out and Thru. Integrated power supply unit.