JL Audio C3-570 Evolution™ C3 Series 5"x7" convertible component speaker system

component speaker system includes two 5"x7" woofers, 2 tweeters, two external crossovers, and two woofer grilles mica-filled polypropylene woofer with butyl rubber surround glass-filled polymer frame with Elevated Frame Cooling 1" silk dome tweeter 2-way external crossover with adjustments for coaxial or separate tweeter placement, and 4-position tweeter level tweeter mounts for separate or coaxial installations included phase plug provided when tweeter mounted separately power range: 5-75 watts RMS frequency response: 48-25,000 Hz sensitivity: 90 dB depth: 2-9/16" grilles included warranty: 1 year