SeaKing Stores › 10in car subwoofer - 4ohm DVC - P3D4-10 10in car subwoofer - 4ohm DVC - P3D4-10 £215.00 10in car subwoofer - 4ohm DVC - P3D4-10. 500W RMS. Standalone driver, sold individually. Car-audio product; not marine-rated. Add To Cart Added! 10in car subwoofer - 4ohm DVC - P3D4-10. 500W RMS. Standalone driver, sold individually. Car-audio product; not marine-rated.