<ul><li>10" 4-ohm subwoofer</li><li>Power handling: 50-250 watts RMS</li><li>Peak power: 750 watts</li><li>Sensitivity: 86.6 dB</li><li>Frequency response: 24-200 Hz</li></ul><br><br>Alpine W10S4 BassLine Series 10" 4-ohm subwoofer Product highlights: 10" 4-ohm subwoofer Polypropylene and mica cone with poly-foam surround Stamped steel frame Power handling: 50-250 watts RMS Peak power: 750 watts Sensitivity: 86.6 dB Frequency response: 24-200 Hz Top-mount depth: 5-1/16" Sealed box volume: 0.83 cu. ft. Ported box volume: 1.51 cu. ft. Grille not included Warranty: 1 year

Alpine W10S4 Bassline Series - A Pair of 10" 4-ohm subwoofer