Pioneer TS-A6963R 6-Inch X 9-Inch, 270-Watt 3-Way Speakers 31 Hz to 37 kHz frequency response with 91 dB sensitivity Heat-resistant polyester-imide resin voice coil wire for improved power handling Woofers feature carbon graphite IMPP interlaced aramid/basalt fiber cone with rubber-coated cloth surround 6-by-9-inch, three-way speakers with 270 watts maximum power handling (40 watts nominal) 2-1/4-inch paper cone midrange, 3/8-inch PET film dome tweeter 6-by-9-inch, three-way speakers with 270 watts maximum power handling (40 watts nominal) Woofers feature carbon graphite IMPP interlaced aramid/basalt fiber cone with rubber-coated cloth surround 2-1/4-inch paper cone midrange, 3/8-inch PET film dome tweeter Heat-resistant polyester-imide resin voice coil wire for improved power handling 31 Hz to 37 kHz frequency response with 91 dB sensitivity