Elite Series subwoofers are designed for everyday bass lovers and competitors alike. Providing low frequencies and ready for high power applications. Its reinforced Carbon Fiber dust cap gives it a unique and exclusive look. These subwoofers range in size from 6.5" all the way to 15" and ranging from 300W RMS to 900W RMS. This series has a unique design with double stack magnets, dual voice coils, foam edge surround, paper cone with fiberglass dust cap with a carbon fiber effect. Affordable, reliable, and great sound- what more can you ask for?!