Roland SH-01A Boutique Sound Module, based on SH-101Sounds of the classic SH 101 synthesizer via ACB tech, including bass, lead, noise, and sound effects New Unison, Chord, and four voice Polyphonic modes expand on the originals iconic sound palette Built in sequencer with 64 patterns available to save and recall Easy performance arpeggiator with three playback modes, note hold, and three way transpose switch CV Gate output for controlling modular or vintage gear Multiple sync options including