PSR-E473 (B-stock.)

This keyboard has 61 keys and includes Yamaha-developed touch-sensitive piano keys for authentic response. It supports up to 64 polyphony and features 820 authentic sounds. The Articulation Lite function simulates various instruments realistically.

• The description claims that the keyboard supports up to 64 polyphony.
• The description claims that the keyboard features 820 authentic sounds.
• The description claims that the Articulation Lite function simulates various instruments realistically.