The OE AUDIO OE-112SA 12 Inch 1400W Active Car Subwoofer Bass Box delivers extreme bass with its powerful 1400W amplifier. This grey-coloured subwoofer is designed for under seat or boot placement in vehicles, providing a deep and immersive audio experience. With a single voice coil and an impedance of 4? , this subwoofer delivers a RMS power of 700W, making it a high-quality addition to any car audio system looking to enhance the bass response. NOTE: NO WIRING KITS ARE INCLUDED.