- 128 polyphony, 128 tones, 83 rhythms, 47 demo Songs and 8 reverb effects enrich the expressiveness of the playing, increase the accuracy and impact of the performance 88 - - DDP-60 88 key digital piano is a full-size keyboard with 4 velocity-sensitive curves that are perfect for young players who are still developing the touch of a piano player - Donner DDP-60 digital piano 88 keys boasts a minimalist design that harmoniously blends with life. It's not just a piano, but your elegant art space - Dual mode allows two people to play the same range as a teaching tool or just for fun! Recording and USB-MIDI functions help beginners learn to play faster - sustain pedal input, USB-MIDI jacks, 3 headphone jacks for private practice( 2 " stereo jacks under cabinet, 1 jack at back also serves as AUX IN & stereo output for speakers/amps) : The feet of the Donner DDP-60 electric piano stand have a blue plastic film to prevent scratches in transit, which can be removed during use.