The distinguishing features of the tone are its mellow brilliancy and effortless articulation. Its enormous power and limitless range of color and expressiveness truly make it one of a kind. Using Heinrich Gill’s exclusive acoustic balancing the X5 offers a maturity in sound rarely experienced in a modern instrument. The sound is sophisticated, wonderfully rich, clear and uncovered. Its responsiveness and agility offers the artist unsurpassed performance and capability of tonal nuance.