The sonor orff palisono deep bass xylophone gbkx 100 is ideal for schools music educators and group music sessions needing a durable resonant and weather resistant bass xylophone. Its 16 note range from c to a1 in c major includes additional chromatic notes f sharp bb f sharp1 to expand melodic options while still keeping the instrument accessible for learners.built with specially developed palisono fibreglass sound bars it maintains precise tuning regardless of humidity or temperature changes perfect for consistent performance in varied environments. The overtone tuning enhances richness and clarity especially in ensemble settings. The six chamber pine resonator box deepens projection and tonal warmth giving the low register notes their full voice. It also comes ready to use with beaters included.