Nektar IMPACT GXP88 Keyboard ControllerThe Nektar Impact GXP88 USB MIDI controller keyboard is designed for players: Experience 88 semi weighted keys and instant access to performance controls including a real time repeat engine, powerful Nektarine plugin patch management and Nektar DAW Integration. GXP gives you the keys to a great performance! PLAY Treat your fingers to a dynamic semi weighted keyboard with velocity and aftertouch that captures all aspects of your performances. REPEAT