NEKTAR IMPACT LX25+USB KEYBOARD CONTROLLER W/DAWThe Nektar Impact LX25+ 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 a choice for any playing style. If you don't need velocity, 3 fixed velocity levels cater for a consistent output. Octave and transpose buttons as well as pitch bend and modulation wheels are within