Full Range 5.25"e; 4-Way Speaker Pair 300 Watts MAX 150 Watts RMS Frequency Response: 95 Hz to 20 kHz 90dB Sensitivity Polypropylene Woofer Cone Rubber Surrounds 4 Ohm Impedance (2) 1/2"e; Piezo Tweeters (1) 1"e; Mylar Cone Midrange Mount Depth: 2-1/4"e; Sold in Pairs