This speaker was originally a combination of the main box of the 1990s ten thousand yuan, only sold in Japan's domestic rare, friends went abroad to bring back a set, heard the sound quality is very good, the high note is very clear and delicate, especially the 8-inch subwoofer surging powerful, the alto voice is very toxic, a CAI Qin old song is enough to drunk you, if the quality is good, it is worth collecting.