TAKE YOUR SYSTEM TO THE NEXT LEVEL - Get the most out of your system by upgrading to a speaker that gives you everything you're missing from your stock stereo. discover what a true speaker can do for you. GREAT FOR - Motorcycle & Powersports but thanks the size reduction on this speaker also gives it high levels of functionality in almost any application imaginable. POWER YOU CAN COUNT - The PRO-CF8.4SL handles great power; rated at 275 Watts RMS and 550 Watts Max, you know this powerhouse of a speaker can get loud and clear. SUPER STRONG DESIGN - DS18’s current waterproof carbon fiber cone design and super strong rubber surrounds protect these speakers from damage sustained by use in harsh environments. WATER RESISTANT SPEAKER - Can handle the great outdoors with ease. Water resistant speaker that you can play loud and clear out in the elements.