ESB Audio 8000 Series 3-Way Speaker SystemThe 8000 Series can be considered the direct heir to the legendary 7000 Series which enjoyed considerable successes in the world of Italian car stereo and beyond. We renewed a range of speakers already in itself exceptional, with the aid of the best technologies available. 8. 028 1. 1" 28 mm Dome Tweeter Main Features All the parts that make up this tweeter have been made with the CNC process. This is a very expensive and time consuming manufacturing