The KeyStep Pro is a powerful 4‑track polyphonic sequencer and performance controller designed to unite hardware and software setups into a single expressive workflow. With a responsive 37‑note keybed, deep sequencing tools, and extensive connectivity including MIDI, CV/Gate, and USB, it serves as a central hub for modular rigs, drum machines, synthesizers, and DAWs. Its hands‑on controls, real‑time performance functions, and flexible routing make it ideal for producers and performers seeking a streamlined creative command center. Key features Keyboard 37 slim keys with velocity & aftertouch Sequencer tracks 4 independent polyphonic tracks Step count Up to 64 steps per sequence Drum sequencing 24‑part drum sequencer Connectivity MIDI In/Out/Thru, USB, CV/Gate/Mod, Clock I/O Performance tools Arpeggiator, real‑time recording, randomization, swing Memory 16 projects, each with 16 patterns per track Sync options Internal, USB, MIDI, analog clock Power USB‑powered Overview The KeyStep Pro provides a comprehensive sequencing environment that bridges analog and digital instruments with ease. Each of its four tracks offers polyphonic sequencing, step editing, and performance‑ready controls, allowing complex arrangements and improvisation. The drum sequencer adds detailed rhythmic programming, while the arpeggiator and real‑time recording features support spontaneous creativity. With its extensive CV/Gate outputs, it integrates seamlessly with modular systems, while MIDI and USB ensure compatibility with modern studio setups. Designed for both stage and studio, it delivers precision, flexibility, and expressive control in a compact, durable form. Included Accessories USB cable Power supply MIDI adapter cables Quickstart guide Included Software Arturia MIDI Control Center (configuration utility)