PX-S3100 NEW World’s slimmest 88-key digital piano Smart Scaled Hammer Action Keyboard Bluetooth® Audio & MIDI 700 tones / 200 rhythms More PX-S1100 NEW World’s slimmest 88-key digital piano Smart Scaled Hammer Action Keyboard Bluetooth® Audio & MIDI 18 tones More PX-870 Sound projection feature Multi-dimensional Morphing AiR Sound Source Keyboard with synthetic ebony and ivory texture 19 tonesMore PX-770 Sound projection feature Multi-dimensional Morphing AiR Sound Source Keyboard with synthetic ebony and ivory texture 19 tonesMore PX-560M 5.3-inch LCD touch panel (colour) 650 tones / 220 Rhythms Scaled and weighted hammer-action keys with simulated ebony and ivory textures Only 12 kgMore PX-5S 370 tones inlcl. Hex Layer Sounds Masterkeyboard functions Scaled and weighted hammer-action keys with simulated ebony and ivory textures Only 11,1 kgMore