Alpine R-Series R-S65C 6.5" 16.5cm 300 Watts 2 Way Component Speakers (Pair)Alpine R Series 6. 5" 16. 5cm 300 Watts 2 Way Component Speakers (Pair) Meet the latest generation of R Series speakers: engineered to deliver high bass power while maintaining extreme sound clarity. The R Series speakers include both component and coaxial models, both of which are highly efficient and provide good installability in a wide range of vehicles. HAMR Surround The High Amplitude Multi Roll (HAMR) surround allows a maxi mum, linear cone