Sound, Performance, and Design in Harmony The LX-5 is an approachable upright piano that provides a solid foundation for skills to flourish. This entry-level instrument in the LX lineup packs a big sound, backed by advanced sound technology from the flagship LX-9. Feel the smooth hybrid action as your fingers glide over the keys. Tune into convenient digital features to propel performances and support learning. And rest assured that you’ve made a sound investment with a maintenance-free future.