JL Audio designed their W3v3 subwoofers to deliver powerful, accurate bass with a medium-power amplifier. Their extensive motor assembly research resulted in a design that ensures smooth, precise cone movement at any power level. Exclusive cooling features shunt heat away from the sub's internal motor structure for long term durability and reduced distortion.The W3v3 sub works well in a sealed or ported enclosure. The 12W3v3-4 subwoofer boasts a 12 mineral-filled polypropylene cone with a distinctive metallic JL Audio medallion. A patented design eases the stress felt by the rubber surround during cone movement, for increased reliability and consistent bass output. The removable, customizable trim ring accepts optional JL Audio grilles, and can be painted to enhance your installation. Mineral-filled polypropylene cone with nitrile-butylene rubber surround. Power range: 100-500 watts RMS. Sealed box volume: 1.125 cubic feet. Ported box volume: 1.75 cubic feet. This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\Car Audio\Car Subwoofers". The seller is "millionsales" and is located in this country: US. This item can be shipped worldwide.