Product details:

Kick your audio experience up a notch with the BOSS Audio MR4.3B 200 Watt 4-inch 3-way Weatherproof Marine Speakers. This pair of indoor/outdoor weatherproof speakers boasts 4 Ohms, an 80 Hz to 18 kHz frequency response, and an 85 dB sensitivity. The cone is constructed from polypropylene and the voice coil from 1-inch aluminum. They also feature rubber surrounds and plastic baskets. Swivel brackets for these 200-watt marine speakers are included.