Focal Polyglass 165 VR 6.5-Inch 2-Way Component Speaker Kit 6.5-inch two-way component kit with separate crossover 150 Watts maximum power handling with 4-ohm impedance Woofers feature Polyglass cone and butyl rubber surround Aluminum inverted dome tweeters for wide soundstage and accurate image 6dB/12dB/octave crossovers with three-level tweeter control