Cycle Sounds 6.5 in. Coaxial Speakers with Adapter Rings for Harley Davidson 19 - One Size Kevlar woven matrix fiber cone and silk dome tweeter Upgrade any audio system with Cycle Sounds premium quality speakers designed to provide maximum performance at 2 Ohm or 4 Ohm loads Quality injection-molded adapters retain the use of factory side support brackets Conial shape design aids in sound efficiency, unlike flat surfaces used by other manufacturers 300 watts Max Power