American Bass 15 Inch Subwoofer Hd Series Dual 1 Ohm Carbon Fiber Cone 1500 Watts RMS. Huge 3" Voice Coils. Woven Kevlar Cone. 4-Layer Hi Temp Voice Coil. Triple Stacked Magnets. Heavy Duty Cast Aluminum Basket. Prewired with 10ga. Speaker Cable. Oversized Double Stitched Surround. Size: 15". Watts Max.: 3000. Magnet: 300 oz. Dual Voice Coils: 3" Dual 1 Ohm. Dimension: 18"Lx 18"Wx 13"H.