Check the listing for details. Roland FP-90X BK Stage Piano. Color: Black, Width: 1340mm, Condition: New. Listed at 3029.82 USD. If you're looking for high-end performance in a portable instrument, you can't avoid the FP-90X. Like the rest of the FP-X series, the FP-90X has a slim and stylish housing that is easy to transport. Anyone who invests in this top model will receive an instrument that embodies the spearhead of the renowned Roland piano technology. From the outstanding playability of the PHA-50 hybrid keyboard and the PureAcoustic Piano modeling of our premium pianos to the individual sound customization and deep immersion of the integrated speaker system - the FP-90X offers the ultimate FP-X experience. All pianos in the FP-X series have an authentic piano sound, but the FP-90X goes one step further. The Roland PureAcoustic piano modeling sound engine reproduces every aspect of the full, resonant sound of.