The Impact LX49+ USB MIDI controllers are jam-packed with intelligent and expressive performance control not even available on many premium products. Custom designed for Bit wig, Cubase, Digital Performer, FL Studio, Garage Band, Logic, Nuendo, Reaper, Reason, Sonar and Studio One. The 49 note velocity sensitive keyboard is a synth action with a medium tension. The full-size, piano-style keys are covered to protect against dirt and dust while also complementing the Impact LX design. With 4 velocity curves gradually increasing in dynamics there is choice for any playing style. If you don't need velocity, 3 fixed velocity levels to caters for a consistent output. Octave and transpose buttons as well as pitch bend and modulation wheels are within reach, so you quickly can shift the keyboard up or down as needed, or apply additional articulation with the wheels.