Pioneer TS-A6973R 6-Inch X 9-Inch, 300-Watt 3-Way Speakers 6-by-9-inch, three-way speakers with 300 watts maximum power handling (40 watts nominal) Woofers feature carbon graphite IMPP interlaced aramid/basalt fiber cone with rubber-coated cloth surround 1-inch soft-dome midrange, 5/8-inch PET film dome tweeter Heat-resistant polyester-imide resin voice coil wire for improved power handling 31 Hz to 29 kHz frequency response with 92 dB sensitivity