DS18 EXL-XX15.4DHE 15" High Excursion Car Subwoofer 4000 Watts Max 4-Ohm DVC High excursion is now the standard in all big bass applications and we want to bring the experience of low frequency bass and high power to every user at a great price point. The EXL-XX15.4DHE is the answer to that. This subwoofer is a high addition that comes in at an amazing price point while getting all those features other much more expensive high excursion subs come with.Also, with a power rating of 2000w RMS and 4