12 Inch Replacement Woofer Subwoofer Speaker for Cerwin Vega At-12, D-7 80oz. Magnet, Original style thick paper cone for great bass. 400 watts RMS power handling. Frequency response down to 20hz. Heavy duty, rugged rolled window steel frame. 4 or 8 ohms impedance. 3 inch "pre-cooked" voice coil When in stock at least 2 will always be available.