Canton 02968 Pro X.3 Speaker (Black) nom. /music power handling 50 / 100 watts; spl (1 watt/1m) 87 db frequency response 45.26.000 hz; crossover frequency 2.500 hz woofer 1 x 4.3', aluminum (wave surround); tweeter 1 x 1', fabric; nominal Impedance 8 ohms