Sony XSGTX1620S 6.5-Inch GTX Series Component Speakers (Discontinued by Manufacturer) Component speaker system includes two woofers, two tweeters, two external crossovers, and two woofer grilles 6-1/2" Highly Oriented Polyolefine (HOP) woofers with Santoprene rubber surrounds 1-1/2" laminated polyester soft dome tweeters 5-60 watts RMS power range (260 watts peak)