Herdio 3 Inch Waterproof Marine Speakers Full Range Audio Motorcycle Speaker Stereo System with MAX Power 140 W (Pair) for Motorcycle,Boat,Hot tub,UTV,ATV,Golf Carts,Powersports,CAR,SPA(Grey)Main Features: 3 inch 2 Way Full Range HIFI woofer, Power Handling(MAX): 140Watts(A Pair),Frequency Response: 120Hz 20Khz, SPL(1Watt 1Meter): 80dB, Magnet Material: 4oz, Polypropelyne Cone with Rubber Edge, Molded ABS Plastic Basket. IP66 Splash proof Protection: all the materials that the HMS60 speakers use have been specially designed with water resistant feature for the protection that is needed from the corrosion present in a humid and salty