The S90 provides 88 fully weighted keys, the number equivalent to a standard piano, emulating the pianistic mechanism.

71 push buttons are distributed across the front panel, save for the power switch on the back.

Pitch bend and modulation wheels are placed above the keyboard aligned to the left.

Metric (SI) Dimensions (mm): 1,357 (W) × 386 (D) × 163 (H) Weight (kg): 23.0 Imperial, English, United States customary, etc.

): 51 Dimensions (inches): 53 3 /8" (W) × 15 1 /8" (D) × 6 3 /8" (H) Front Panel The front panel features a standard setup of a pitch bend wheel, a modulation wheel and a master volume slider.