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8 inch high power differential drive bass unit 1.5 inch ring polyethylene vibrating film compression tweeter The box is made of birch wood board, and the surface is treated with black steel sand paint 90 degrees x covering 70 degree angle design, with axial uniform and smooth and partial axial response The appearance of the avant-garde, No. 16 steel protective fence with dust-proof net plane The frequency divider designed accurately can optimize the power response and the intermediate frequency expression of the human voice Sound protection technology SonicGuard can effectively protect the high frequency driver, avoid overload power interruption