Playing surface: BeechwoodResonance box: 7 layers of Gabon,approx. 50 x 30 x 48 cm2inOne-Technique with 40 spiralsBooster Boxx The name is standard for musicians. This Bass-Cajon, which was designed for use with a pedal and BP 40, makes an amazing bass drum sound on stage. The integrated snare cross-bar helps to create a totally realistic sound (distinctive vibrating snare wires). The frequency range lies just above that of normal bass drums, thus offering an absolute impressive, interesting and assertive alternative.