Arturia KeyStep Pro
A capable pro-tier sequencer-first controller with 37 keys, USB-B, and deep CV/Gate. It pairs a 4-track sequencer with a 16-track drum sequencer, making it a powerful command center for modular and hardware rigs. It's not for everyone: there are no pads or motorized faders, so buyers wanting those should look at a different controller.
Scores
BreakdownHideOverall80±3Caliber-forward blend — tier caliber + within-tier price rank 30%, value 25%, confidence 20%, compatibility 15%, upgrade path 10% — renormalized over applicable dimensions; excluded here: compatibility (no ecosystem dimension).
Scores
BreakdownHideCaliber-forward blend — tier caliber + within-tier price rank 30%, value 25%, confidence 20%, compatibility 15%, upgrade path 10% — renormalized over applicable dimensions; excluded here: compatibility (no ecosystem dimension).
The ± band on the overall score reflects sourcing confidence — wider when fewer specs are verified.
How each score is computed: our scoring methodology.
Specifications
| Spec | Value | Verification |
|---|---|---|
| keys | 37Sourced | Sourced |
| connection | USB BSourced | Sourced |
| cv gate | yesSourced | Sourced |
3/3 detail specs sourced. Amber rows are flagged for verification — we show them as reported, not confirmed.
Verdict
Best for
- 4-track + 16-track drum sequencer with deep CV/Gate for modular
Who should skip this
- Buyers wanting pads or motorized faders (sequencer-first)
Where to buy
List price $549
Prices are a guide and can change — confirm the current price on the retailer's site before buying.
Prices last checked Jun 25, 2026 — retailer prices change often, so click through for the current price.
Some links may be affiliate links — we may earn a commission at no extra cost to you; rankings are never influenced by it.
Platform support
Compatibility
No platform-specific compatibility requirements — this works in any standard music production setup.
Upgrade path
A top-tier midi controller — there's little to upgrade to within the category.