Infinity REF-6522EX Shallow-Mount 6-1/2 Inch Coaxial Car Speakers Shallow-mount 6-1/2" Coaxial car speakers 6-1/2" 2-way car speakers Plus One+ polypropylene woofer cone with hi-roll rubber Surround 1" edge-driven, textile dome tweeter included brackets allow mounting in a variety of 6-3/4" and 6-1/2" openings