Alpine R-S69C.2

R-Series 6"x9" Component 2-Way Speakers
 
The new R-Series speakers take a great platform to the next level.
 
EXCLUSIVE CONE TECHNOLOGY
The R-Series speakers use Alpine’s exclusive cone technology, Carbon Fiber Reinforced Polymer (CFRP), which is a high-strength, lightweight material. CFRP can be custom-formed so that its fibers align in the same direction as the curve and shape of the cone, thereby reducing resonant peaks and increasing the speakers’ mid-bass performance and dynamic range. CFRP is also used as a tweeter diaphragm, enabling the speakers to perform into the 45kHz range and making them compliant with High-Resolution Audio playback.