The Cadence SWB65B waterproof marine speaker is a coaxial speaker with a mica-reinforced polypropylene cone and a Santoprene surround. Its design features a 28 mm silk-dome neodymium tweeter and an integrated 12 dB two-way crossover network.

The magnet weighs 25 oz, and the voice coil is made of aluminum and measures 30 mm in diameter. The package includes...