Alpine's Legendary R-Series Speakers are designed with innovative materials to deliver more output and produce loud, dependable sound.
The R-S65.2 woofers have a larger 35 millimeter (mm) voice coil for increased motor control over the bass output verses the previous R-S65.The R-Series speakers have been designed from the ground up utilizing an Alpine exclusive cone technology, CFRP - Carbon Fiber Reinforced Polymer. This high-strength, yet lightweight material is formed so that its fibers align in the same direction as the curve and shape of the cone, thereby reducing resonant peaks. In addition, CFRP is used as a tweeter diaphragm, enabling the system to perform up into the 45kHz range, making the speakers compliant with High-Resolution Audio playback.