The KENWOOD eXcelon Reference XR-W1004 is a 10-inch oversized 4-ohm subwoofer designed to deliver strong, accurate bass from a relatively compact enclosure. It features a reinforced polypropylene cone, strong magnetic circuit, stress-free spider, dual-ventilation system, 300W RMS power handling, and 1300W peak power, making it a solid choice for space-conscious high-performance systems.