This is a 1 to 1 replica of the legendary Onken Soundsystem designed by Eijiro Koizumi in the 1970s. This system has been hailed as one of the most highly-regarded for high fidelity sound for many decades now. This unit is the only 4-way Onken currently in existence in the U.S.A and the only one in the world to be made of bamboo.