It is a big cube-based durable Asada cherry tree made of 100mm angle of Hokkaido. Place under a speaker, amplifier, etc. and the sound quality improvement. Since the specific gravity is heavy stiff and 0.75, the sound will be the dense sound was firm. It is effective to tighten the sound of a large speaker. Since the installation position of the speakers will be higher 10cm will improve the clarity of the low frequency range
