Upgrade your existing car audio system with speakers specially designed with high-power handling and dynamic audio performance with solid, low-end bass in mind. The perfect match for a high-powered Sony head unit, FB speakers feature beefed-up internals and rigid MRC woofers to deliver BIG sound from a conventionally sized and priced speaker. Features include: Speaker Design. The Sony® XS-GT6938F 6" x 9" speakers use a classic 3-way axial design. The woofer cone is constructed from HOP/Aramid fiber for smooth mid-range frequencies and the PEI tweeters delivers clear high frequncies. Power Handling. The XS-GT6938F power handling is 420 Watts Max Power and 50 Watts Rated power.