Infinity Kappa 50.9cs

5-1/4" component speaker system includes woofers, tweeters, and crossovers
2-ohm impedance for extra power (compatible with all factory or aftermarket car stereos)
Plus One® woven-glass-fiber woofer cone with hi-roll rubber surround
1" ultra-high frequency textile dome tweeter with I-Mount™ and Starfish™ for multiple mounting options
2-way external crossover network with tweeter level adjustment
direct-connect crossover dongle
power range: 2-85 watts RMS (225 watts peak power)
frequency response: 55-35,000 Hz
sensitivity: 93 dB
woofer top-mount depth: 2-3/16"