The Samson Carbon 49 USB MIDI Controller makes musical performance and production accessible to everyone. For seasoned musicians and young creators alike the Carbon 49 offers versatile easy-to-use features in a compact lightweight controller that s well-suited for the stage and studio. The Carbon 49 s semi-weighted keyboard provides musicians with a responsive and expressive platform that is designed to feel more like an instrument than a controller. It comes equipped with velocity-sensitive keys that accurately capture the dynamics of a performance. With 49 keys the Carbon 49 s pitch range is perfect for performing while remaining highly portable. Easy expansion with dedicated Transpose and Octave buttons you can change the key of any given instrument as well as expand the keyboard to a full 4-octave range without using any sub menus or shift keys. With all of these comprehensive features not to mention Pitch Bend and Modulation wheels the Carbon 49 puts a wide range of musical expression and tone manipulation at your fingertips.