... Ohm impedance Products Image: Specifications: 1),12inch High performance car subwoofer 2),Black stamped baskets with perimeter vents 3),NRPP cone ... ), Plastic magnet cover and gasket 11), Chromed plated push terminals 12), Dual 4 Ohm impedance 13), 300W RMS / 600W Max.PowerT ... available, pls don't hesitate contact Mr.Leek! 12INCH Car Subwoofer