Check the listing for details. Nektar Impact LX25+ MIDI/USB Keyboard Controller with Cable. Condition: Used. Listed at 52.10 USD. The Nektar Impact LX25+ MIDI/USB Keyboard Controller is a versatile and compact instrument designed for music production. With its lightweight design at 4lbs, it features a chord pad, multiple faders, transport controls, and includes software for a complete music-making experience. The Nektar brand is known for producing quality keyboards, and the Impact LX25+ lives up to this reputation with its reliable performance and user-friendly design. Whether you're a beginner or a seasoned musician, this keyboard controller is a great addition to your setup. used, works fine in cubase, studio one, and fender studio pro the surface of the mod and pitch wheel is slightly sticky texture , but the wheels turn properly and function properly