Weight is approximate 25 pounds. This keyboard piano is composed of 61 full-size Force-sensing keys, which is suitable for arrangers and stage performers to express every delicate musical mood. Headphone mode for silent practice. There are two-way speakers in our 610P piano, which will brings you the closest sound to a real piano. It supports two people to play at the same time, and the two parts of the keyboard do not interfere with each other,...