Model
DDP-60
DDP-80
DDP-90
DDP-100
Keyboard
Donner Semi-Weighted
Donner Hammer-Action II
Donner Hammer-Action
Donner Hammer-Action
Key Number
88 Keys
88 Keys
88 Keys
88 Keys
Timbre/Polyphony
1/128
1/128
1/128
1/128
USB MIDI Connectivity
√
√
√
√
Headphone Mode
√
√
√
√
Triple Pedal
√
√
√
√
Piano Cover
×
×
Flip-top Lid
Pushpull
Amplifier
15Wx2
20Wx2
10Wx2
25Wx2