4) PYLE PLMR24S 3.5" 400 Watt Marine Audio Water Proof Mini-Box Speaker System MAX Power Handling: 200 Watts per pair (400 watts per 2 pair) RMS Power Handling: 100 Watts per pair (200 watts per 2 pair) Excellent for Use On Boats/Marine/Decks/Poolside/Outdoors Completely Water Proof 3.5" Aluminum Injection Cone Woofer