R-Series speakers are engineered to deliver prodigious power while maintaining extreme sound clarity for a totally exciting sound. They provide high power output and handling, wide frequency response, and powerful bass. The R-Series line includes component and coaxial speakers, subwoofers and for the first time, amplifiers. | Alpine | | R-Series 6x9" 2-Way Hi-Resolution Coax Car Speakers with Glass Fiber Reinforced Cone (Pair | Black | Best Buy