The worlds top brands in Germany BMS imported 12 inch tweeter Italy imported high-power differential drive 1.75 inch woofer tweeter diaphragm compression ring polyethylene box made of birch board structure, the surface of white steel sand paint processing 80 degrees x covering 50 degree angle design, with axial uniform and smooth appearance and partial axial response Qianwei, with dust-proof net plane No. 16 steel protective fence with realistic bass cohesion, energy density, good transient can be able to put a sparkling, delicate rich divider penetrating the precise design can optimize the power response and vocal performance if voice protection technology SonicGuard can effectively protect the high frequency driver, avoid power overload interruption of work