IS165 - Focal Integration 6.5" 2-Way Component Speakers System IS-165 Component speaker system includes two 6-3/4" woofers, 2 tweeters, and 2 woofer grilles Polyglass woofer with butyl rubber surround Processed aluminum inverted dome tweeter Top-mount Depth (Inches): 1.96" Cutout Diameter or Length (inches): 5.61"