Product info: 10" 4-ohm subwoofer injection-molded polypropylene cone ribbed foam surround handles up to 250 watts RMS peak power handling: 500 watts frequency response: 30-500 Hz sensitivity: 85.9 dB top-mount depth: 5.23" mounting height: 0.75" cutout diameter: 9.088 sealed box volume: 0.8 - 1.25 cu. ft. ported box volume: 1.1 - 1.75 cu. ft. grille not included Features and Specs Size 10-inch Impedance (Ohms) 4 Cone Material Injection Molded Polypropylene Surround Material Polyurethane Basket Material Steel Grille None included Free-Air No Dual Voice Coil No Sensitivity 85.9 dB at 1 watt Frequency Response 30 - 500 Hz Max RMS Power Handling 250 Peak Power Handling (Watts) 500 Top Mount Depth (inches) 5 1/4 Bottom Mount Depth (inches) N/A Cutout Diameter or Length (inches) 9 1/8 Frame Width 10.67 Frame Length 10.67 Vas (liters) 15.1976 Fs (Hz) 33.9 Qts 0.59 Xmax (millimeters) 13.15 Part Number: 50CWCS104
