Audiobahn AWIS12J 12-Inch Quad 2 ohm Immortal Series Car Subwoofer 12 inch Immortal Series Subwoofer Power Handling RMS: 2000 watts Impedance: Quad 2 Ohm Ultra light 2-layer carbon fiber, kevlar cone with aluminum dustcap Proprietary tall excursion foam surround allows for maximum excursion and maximum cone surface area