Yamaha CK88 Weighted Hammer Action Stage Piano With Speakers (Black) - 88 KeysThe Yamaha CK Series combines the sounds of the Yamaha CP Stage Piano with the organ and synth focused YC Stage Keyboard to give you a totally new sonic palette. All with an intuitive interface that lets you focus on the music, not the menus. You'll have piano, electric pianos, strings and brass plus a dedicated organ section and modern synth sounds. Onboard special effects to make it your own. There's even Analog to Digital (A D) Input to plug in a