The keyboard features 88 weighted keys with Yamaha’s GH3 (Graded Hammer 3) action, replicating the feel of an acoustic grand piano with a heavier touch in the lower register and a lighter feel in the ...
Approximately 234,000 digital pianos were sold in 2021 ... 61 or 72 keys. According to Yamaha, the reason for the 88 keys has to do with the hearing capacity of the human ear: We can hear sounds ...