SSL F260S FORCE 200-watt 2 way auto 6.5" Coaxial Speaker 6.5" 2-Way Slim-Mount Speaker, 200 Watts, Poly injection Conepeak power handling 200Wmagnet structure 20 Oz. efficiency 1W/1M 90dBimpedance 4 ohmfrequency response mounting depth: 1-3/4Mounting Hole: 5-1/2" Diameter Poly Injection Cone peak power handling 200W magnet structure 20 Oz. frequency response 100Hz-18kHz mounting depth 2-3/4"