Roland JD-XI SynthesizerFeaturing analog and digital sound engines and a compact footprint, the black 37 mini key JD Xi from Roland is designed to deliver fat, warm analog bass and lead tones with controls for hands on tweaking, plus polyphonic digital sounds like pads, strings, brass, and more. The JD Xi also allows you to create loops with a built in four track pattern sequencer and built in drum kits, and also create vocal textures with the included gooseneck mic and on