Arturia KeyStep Pro is a 37-key, 4-track polyphonic sequencer and controller with 4 CV/Gate/Mod output sets, 8 drum gate outputs, MIDI in plus two MIDI outs, and clock I/O, built to conduct an entire hardware setup from one keyboard.It is made for performers and studio owners running multiple synths, drum machines and modular voices at once.Free shipping · Free local pickup in Miami · Financing at checkoutAt a Glance Keybed 37 velocity-sensitive slim keys with aftertouch Sequencer 4 tracks: 3 polyphonic melodic sequencers plus a 24-part drum track, 16-pattern chains Arpeggiator Multi-mode arpeggiator per melodic track Feedback OLED display with per-track color coding and LED step feedback Finishes Aluminum (white) or Black edition I/O and Connectivity CV/Gate 4 sets of Pitch CV, Gate and Mod outputs (3.5mm) Drum gates 8 x 3.5mm gate outputs on the drum track MIDI MIDI input plus 2 independent MIDI outputs (5-pin DIN) Clock Clock/sync in and out Pedal Sustain pedal input USB Class-compliant USB MIDI Key Features Four tracks of control: sequence three synths and a full drum machine simultaneously Modular-grade I/O: 4 CV/Gate/Mod sets and 8 drum gates patch straight into Eurorack Two MIDI outs: address more hardware without a MIDI splitter Performance keybed: slim keys with aftertouch, chord memory and scale features Frequently Asked QuestionsHow many instruments can it sequence at once?Four tracks: three polyphonic melodic tracks and one 24-part drum track, over CV, MIDI and USB simultaneously.What CV connections does it have?Four sets of Pitch, Gate and Mod outputs plus eight drum gate outputs, all 3.5mm.Why two MIDI outputs?Each output is independent, so more hardware can be addressed directly without splitters or thru boxes.What is the difference between the colors?Aluminum and Black are finish options. Features are identical.Need help choosing?Victory Musical Instruments can help compare models and configurations for your setup.