Boss Audio Systems BDVC102 Elite 12 Inch Dual Voice Coil Subwoofer R877

Aluminum voice coil, known for its low density and ability to resist corrosion Foam-surrounding more flexible than rubber, giving the woofer a higher efficiency and giving you a better excursion 12-inch diameter sub woofer 1800-watt maximum, 900-watt RMS power handling Speakers need 'break-in' process of subjecting the woofers to lower to prevent overheating 88 db sensitivity with 34 Hz resonant frequency Specifications: Woofer size: 12 inches RMS power handling: 900 watts Peak power: 1800 watts Mounting diameter: 11 inches Mounting depth: 5.38 inches Port Frequency: 34 Hz Color: Black Manufacturer warranty: 1-year warranty