Infinity KAPPA-20MX 2" (50mm) Car Audio Dome Midrange w/Bandpass Crossover Enclosure Infinity's Kappa speakers set a new standard in car audio. Our Patented Plus One™ woofers deliver tight robust bass and high-output that is detailed and musical. Edge-driven textile dome tweeters with oversized voice coils deliver silky smooth highs with increased thermal power handling for high volume enthusiasts. Seven Models to Suit All Applications and Environments Patented Plus One™ Glass Fiber Woofers Edge-driven textile dome tweeters UniPivot Tweeter 3-way Upgradability SLI(Super Low Impedance) High Output design Ultra-High Sensitivity (up to 96dB@2.83V/1m) Harman Standard Reliability Testing Completely Tuned Kappa by Infinity