K-Board Pro 4 is a four-octave MIDI keyboard controller with multiple dimensions of touch sensitivity in each key. K-Board Pro 4 is MPE compatible, sending attack velocity, release velocity, continuous pressure, horizontal position, and vertical position data to offer the deepest level of expressive playing. Under each key of K-Board Pro 4 is KMI’s patented Smart Sensor Fabric technology that is at the core of all our MIDI control surfaces. Resilient silicone keys and no moving parts ensure our trademark durability. K-Board Pro 4 is USB powered and class compliant to ensure both portability and compatibility with macOS, Windows, iOS, Android, as well as MIDI capable hardware.