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.