Jensen MS5006BR Pair of MS5006B 5.25" Black Dual Cone Waterproof Speaker, 30 Watts Max Power Handling, Sensitivity @ 1W/1 Meter 88dB, Frequency Response 65Hz-20kHz, Nominal Impedance 4 Ohms, 5-15/16" Grille Diameter, 4-3/8" Mounting Hole Diameter, 1-1/2" Mounting Depth 30 Watts Max Power Handling Polypropylene Woofer Cone Watertight Standard Compliant ASTM B117 Salt Spray Exposure Standard Compliant ASTM D4329 UV Exposure Standard Compliant