The Pyle PLMRLEWB47WB 4 Inch 300 Watt Bluetooth Marine Tower Speaker System is constructed from a waterproof construction, so they're perfect out at sea or on land. Supported by a weather-resistant structure, these speakers are equipped with titanium dome tweeters, ABS speaker grills, and rugged and durable housing. It features a 2-way full-range audio speaker system for ultimate sound. This speaker can achieve a frequency response of 70 Hz to 20 kHz. Includes (2) 4-inch marine speakers, power supply cable, and integrated mounting clamps. These speakers feature a marine-grade, waterproof construction, so it's perfect rain or shine. Its built-in illuminating LED lights add a little something extra while you're enjoying a nice boat ride with friends and family. Enjoy your music on land or water with the Pyle PLMRLEWB47WB 4 Inch 300 Watt Bluetooth Marine Tower Speaker System.