ESB Audio 9000 Series 2-Way High-End Mid-High UnitThe new 9000 Series consists of some of the most technologically advanced car speakers ever produced. Technology and design come together in a new and unusual aesthetic, thanks to the particular flower shape of the flanges around the tweeter dome, and in the baskets of the cone speakers. But the unique shape was not to achieve an aesthetic form factor. It is an expression of ESBs innovation. Main Features The damping material controls the tweeter air