Alpine SPR-60 Type R 6.5" Coaxial 2-Way Speaker - Signature Car Sound
Alpine SPR-17C Type R Two-Way Coaxial speakers - Adam Rayner Talks Audio
Front Alpine Type R 6.5s install question - HondaCivicForum.com
R-Series Speakers and Subwoofers
Alpine 6.5" Speaker Upgrade - A Pair of R2-S65 Type R High-Resolution 6.5" Coaxial Speakers & A Pair of R2-S65C High-Resolution 2-Way Component Speakers - Creative Audio