Keyboard Multi touch Keyboard / step key Synthesizer Type Analog synthesis Maximum Polyphony 1 Structure VTO (oscillator, sub-oscillator), VCF, VCA, EG, LFO, Overdrive Sequencer Number of parts 1 Number of Steps 16 (pattern chain is available) Number of Recording Patterns 16 (No.1 – 10 are factory preset) Connectors Audio Output Headphones (3.5mm stereo mini jack) Sync Sync In (3.5mm monaural mini jack, Maximum input level: 20V), Sync Out (3.5mm monaural mini jack, Maximum Output level: 5V) MIDI MIDI In Power Battery Life Approximately 8 hours (using alkaline batteries) Power supply AA alkaline battery ×6, AA nickel-metal hydride battery ×6, or AC adapter “KA-350” (optional) Others Included Items Six AA alkaline batteries for checking operation, Sync cable Accessories (sold separately) KA-350 AC adapter, SEQUENZ CB-4VOLCA hard shell case, SEQUENZ CC-VOLCA dedicated carrying case, SQ-CABLE-6 sync cable Dimensions (W x D x H) 193 × 115 × 46 mm / 7.61" x 4.54" x 1.82" Weight 370 g / 0.82 lbs. (Excluding batteries)