自己可以戴耳机听。
搜索 piano silent system
住公寓弹钢琴,伤害大家https://de.yamaha.com/de/products/musical_instruments/pianos/silent_piano/index.html
自己可以戴耳机听。
搜索 piano silent system
住公寓弹钢琴,伤害大家https://de.yamaha.com/de/products/musical_instruments/pianos/silent_piano/index.html