The first of five JVC CS-HX car speakers, each JVC CS-HX537X's speaker is outfitted with one 5-1/4” Carbon Fiber Composite Olefin woofer, a 1-31/32” Pulp Cone midrange, and a ½” Poly-Ether Imide Dome tweeter. In addition, the CS-HX537X offers a peak power output of 230w, a frequency response of 40 – 32,000Hz, an impedance of 4 ohms, and a sensitivity of 85dB. The CS-HX537X also boasts heat-resistant voice coils, a stylish silver trim plate, and a black grille. The JVC CS-HX537X retails for $69.95 and comes with a 1 year limited warranty.