Infinity 609CS 270W (Peak) 6-1/2 x 6-3/4 Two-Way Component System Speakers (Pair) Refer the user manual below for troubleshooting Plus One (patent pending) woven-glass-fiber woofer cone Edge-driven MMD-dome tweeter Outboard passive crossover with air core inductors Tweeters handle down to 2,500 Hz Low-frequency output The Plus One design 6-1/2-Inch woofers with responsive woven glass-fiber Longer voice coils add some punch to the bass