The Yamaha P71B is an Amazon-exclusive model designed to be the perfect Home digital piano for rehearsing, learning and creating. A full sized piano keyboard with fully-weighted keys and Yamaha Premium piano voices provide the user with the most realistic feel and sound possible while maintaining a modest footprint in your home. It comes along with a proper USB port, a sustain jack, and a headphone jack as well. You can definitely connect it with an amplifier as well. Integrating the keyboard sounds with other music software will be pretty easy too. It doesn't have MIDI, but USB support will get the job done.