Infinity Kappa 32.7CF - Car speaker - 35 Watt - 2-way - coaxial - 3.5" 2-way 3-1/2" speakers (pair) 2-ohm impedance for extra power (compatible with all factory or aftermarket car stereos) Plus One woven-glass-fiber woofer cone with rubber surround 3/ M.M.D. dome tweeter computer-optimized outboard crossovers with tweeter level control