Korg B2N, Stage Piano, 88-key unweighted keyboard, 3 Velocity curves (easy, normal, heavy), 12 Sounds, 120 Voice polyphony, Speaker system with 2x 9 Watt, Stereo Line input: 3.5 mm mini jack, Combined stereo line / headphone output 3.5 mm mini jack, USB (MIDI / Audio), Pedal-connector, Input for external power supply, Dimensions (W x H x D): 1312 x 117 x 336 mm, Weight: 9.3 kg, Colour: Black, Includes music rest and software bundle with learning software