The SH-201 is a compact 49-key analog-modeling synth designed to be very user friendly, with knob and slider controls. It features two oscillators, pitch bend, and effects include Supersaw waveform and resonant filters, delay and reverb, plus overdrive and an arpeggiator. You can also plug in an external sound source such as a sampler or MP3-player. You can connect to a computer via USB, and route MIDI and audio through the USB port. Roland include a VSTi software editor, 32 presets and capacity for 32 user presets.