The very star in the Diesis range, "Top Line", is the ideal solution for those looking for a car HI FI system with excellent reproduction performance at an accessible cost. The components, made of selected materials of proven reliability, can be used both with the car radio's own amplification stage or piloted by a supplementary amplifier. Coaxial or single, and combinable with the three available tweeter models in the range, they come in DIN sizes for perfect adaptation to any type of setup in the car, with simple installation as an added advantage.