REF 6530CX 6-1/2" 2-way Component SpeakersAccurate high-performance sound. New Reference speakers are designed to deliver Infinity's signature sound in more vehicles. They feature edge-driven textile tweeters for smooth clear highs and the larger models offer an adjustable tweeter output level control for high-frequency optimization based on installation location or the listener's preference. Oversized Plus One? woofers offer more surface area for higher bass output and enhanced midrange performance. Plus Infinity's newly-engineered baskets are optimized to fit most factory speaker locations. Available in a range of standard sizes - 3" 4" 5-1/4" 6-1/2" 6" x 8" and 4" x 6" coaxial 6x9" 3-way and 5-1/4" 6-1/2" and 6" x 9" component - they're the perfect upgrade from factory speakers. Features: Edge-driven textile tweetersThe audiophile-grade tweeters used in Infinity's new Reference speakers deliver smooth non-fatiguing sound even at high output levels. Adjustable tweeter output levelThe larger Reference multi-element and component systems offer a tweeter output level control to optimize system linearity to suit installation location or the listener's preference. Plus One? woofer cone architectureHarman's patented (US patent #7548631) Plus One? cones provide more overall speaker-cone area than other cones in its class - the result is higher sensitivity increased low-frequency output and accurate music reproduction. Optimized Frame SizeReference speakers are available in a range of standard sizes and feature a compact design that allows them to fit just about any vehicle on the road todaypetitive pricingReference speakers provide step-up Infinity sound at mainstream prices. What's in the Box: One pair of woofersOne pair of tweetersOne pair of speaker grillesOne pair of crossoversOne pair of woofer mounting bracketsOne pair of tweeter surface-mount accessoriesOne pair of tweeter flush-mount accessoriesOne pair of tweeter nutsOne pair of tweeter flat washe