Reference PerformanceState-of-the-art? More than that, these speakers are true works of art. Using exotic materials such as the hemp fibre cone, full Bass Engine technology, and implementation of the most advanced crossover network available, these high-performance speakers rival the finest home audio systems. The result is exceptionally clear, powerful, dynamic sound, plus the most detailed sonic tuning control you can have in an automobile.
**** SPECIAL ORDER ONLY ****