Unboxing and Review: Arturia KeyStep mk2 - A Creative Sequencer Evolution (2025)

Ready to supercharge your music-making? Arturia has just dropped the KeyStep mk2, and it's more than just an update—it's a creative powerhouse! Building on the success of its predecessor, this compact controller and sequencer is packed with features designed to ignite your musical spark.

The KeyStep mk2 keeps the beloved 32-note Slimkey keyboard, but that's just the beginning. Arturia has infused it with exciting new tools like Mutate and Spice/Dice, along with real-time transforms. These additions allow for instant pattern variations, keeping your music fresh and dynamic. The new OLED display and clickable encoder offer direct hardware control, eliminating the need to constantly tweak settings via MIDI Control Centre. This is a game-changer for live performances and studio sessions.

Connectivity gets a major upgrade with USB-C, replacing the older USB connection. Plus, you'll find DIN MIDI I/O, assignable CV outputs, and an additional Mod 2 CV out. Sync I/O and a pedal input complete the physical connections, and a dedicated power switch gives you full control. This makes the KeyStep mk2 incredibly versatile, capable of seamlessly integrating with modular systems, drum machines, and vintage synths.

The sequencer now boasts 8x more memory slots, unquantized recording, Bend and Mod automation, undo functionality, step editing, and pattern chaining. The arpeggiator has also received a major boost, with classic arp modes and the addition of Arp Reset for phrase creation. But here's where it gets exciting: a generative Arp Pattern mode that can create fresh melodies, basslines, and chord progressions simply by holding down keys.

The KeyStep mk2 retains its compact, portable design and user-friendly operation, making it easy to pick up and play. It's a testament to Arturia's commitment to bridging the gap between different eras and formats of electronic music production.

What do you think of the new features? Are you excited about the generative sequencing tools, or are you more interested in the improved connectivity? Let me know in the comments!

Unboxing and Review: Arturia KeyStep mk2 - A Creative Sequencer Evolution (2025)
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