Keys/Action: 61 semi-weighted keys (no aftertouch)
Sound Engines: Dual engines - AWM2 (sample-based) + FM-X (8-operator FM synthesis)
Polyphony: 256 notes (128 AWM2 + 128 FM-X)
Memory: 5.67 GB preset + 1.75 GB user flash for custom samples
Effects: 80+ high-quality effects including Yamaha's VCM modeling.