The cone of HD-4 midrange drivers is made of a light, yet rigid, carbon treated paper. Producing unrivaled midrange that is engineered just for your car to make the most perfect blend with any CDT tweeter and crossover.
The cone of HD-4 midrange drivers is made of a light, yet rigid, carbon treated paper. Producing unrivaled midrange that is engineered just for your car to make the most perfect blend with any CDT tweeter and crossover.
![]() |
HD-4
|