Focal Access 690 CA1 6 X 9-Inch Coaxial Speaker Kit 6 x 9-inch coaxial speaker kit with built-in crossover 150 Watts maximum power handling with 4-ohm impedance Woofers feature woven glass fiber cone and butyl rubber surround Aluminum inverted dome tweeters for wide soundstage and accurate image Adjustable tweeter position for ideal soundstaging