6x9 CDT Audio HD-690CFX Carbon Fiber Coaxial Speakers (PAIR) 6" x 9" Carbon Fiber Woofer Frequency Response: 30Hz - 20.000Hz Power Handling: 200W RMS HPF 100 Hz Mounting depth: 3.25" Dimensions: 6.625" x 9.25" Ellipse (168.3mm x 235mm) Ellipse (Exclusive of Mounting Tabs) 6" x 8.625" Ellipse (152.4mm x 219mm) Ellipse