The pair of Pyle 4 In. 300 Watt Waterproof Marine Wakeboard Tower Speakers are constructed with marine applications in mind. They are water resistant and are ideal on the dock or at sea. Each speaker is equipped with a 4 in. woofer for a booming low end and a 1 in. titanium dome tweeter for sweet highs for a frequency response of 70 Hz to 20 kHz. Heavy duty construction extends the life of your product while weather resistant housing keeps your sound distortion-free. You can even use them in powersports applications! Mounting clamps are integrated into the housing.