Pioneer TS-A1673R 6.5-Inch, 220-Watt 3-Way Speakers (Discontinued by Manufacturer) 37 Hz to 25 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 polymer surround 6-1/2-inch, three-way speakers with 220 watts maximum power handling (35 watts nominal) 1-5/8-inch paper cone midrange, 3/8-inch PET film dome tweeter 6-1/2-inch, three-way speakers with 220 watts maximum power handling (35 watts nominal) Woofers feature carbon graphite IMPP interlaced aramid/basalt fiber cone with polymer surround 1-5/8-inch paper cone midrange, 3/8-inch PET film dome tweeter Heat-resistant polyester-imide resin voice coil wire for improved power handling 37 Hz to 25 kHz frequency response with 91 dB sensitivity