SeaKing Stores › 10in car subwoofer - 4ohm DVC - P2D4-10 10in car subwoofer - 4ohm DVC - P2D4-10 £140.00 10in car subwoofer - 4ohm DVC - P2D4-10. 300W RMS. Standalone driver, sold individually. Car-audio product; not marine-rated. Add To Cart Added! 10in car subwoofer - 4ohm DVC - P2D4-10. 300W RMS. Standalone driver, sold individually. Car-audio product; not marine-rated.