SSL F65C FORCE 350-watt 2 way auto 6.5" Component Speaker 6.5" Component Speaker System, 350 Watts, Poly injection Cone peak power handling 350Wmagnet structure 40 Oz. Efficiency 1W/1M	92dB Impedance 	4 ohm frequency response 60Hz-20kHz Mounting depth: 2-3/8"Cutout Diameter: 5-3/8" Diameter Poly Injection Cone peak power handling 350W magnet structure 40 Oz. frequency response 60Hz-20kHz mounting depth 2-3/8"