The Sonor Global Beat Deep Bass Xylophone will meet and exceed your classroom needs. The Global Beat Xylophone is crafted with Brazilian sucupira hardwood bars tuned to A440. You get deep, rich ton. Note names are stamped in the middle of each bar and inside of each resonator chamber for easy pitch recognition and easy, correct bar placement on the xylophone. The all-glued resonator box offers mallet storage plus flexible rubber pin construction for easy bar placement and removal. Each diatonic Global Beat Xylophone includes 2 F# and 1 Bb bar plus a pair of mallets. Sonor Global Beat Xylophones are available in diatonic units for soprano (SX-GB) alto (AX-GB) and bass (GBX-GB).