Yamaha YX-135 is a xylophone with a 3-1/2 octave range, from f1 to c5. It is made of Burmese padauk wood and features a sturdy frame with a slant support for added stability. The resonators can be adjusted to two different depths, depending on the room temperature, to optimize sound quality. The YX-135 comes with a set of Yamaha mallets, which are designed to produce a clear and resonant sound.

The YX-135 is a versatile instrument that can be used for a variety of musical genres, from classical to contemporary. It is also a great choice for educational settings, as it is easy to learn to play and can help develop musical skills such as rhythm, pitch, and coordination.