2 Pair Infinity PR603CF 6-1/2" 2-Way Component Speakers Car Audio System 150W - Ultimate Sound Upgrade for Your Vehicle. Experience crisp audio with these durable, high-performance speakers. Perfect for audio enthusiasts and everyday sound clarity.Infinity Primus 603CFPrimus Series 6-1/2" Component speaker system (2 pairs)component speaker system includes 2 woofers, 2 tweeters, and 2 external crossovers6-1/2" Plus One+ polypropylene woofer cone with hi-roll rubber surround3/4" edge-driven silk dome tweeter3-ohm impedance for extra power (compatible with virtually all factory or aftermarket car stereos)handles up to 60 watts RMS (180 watts peak power)frequency response: 55-20,000 Hzsensitivity: 92 dB at 2.83 voltsgrilles not included