The Pyle PDWRBT46YL is a 4” 2-way Bluetooth wireless speaker system designed for both indoor and outdoor use. The system features a 300W max power output with 4” aluminum injection cone subwoofers and 1/2” high compliance polymer tweeters, delivering rich, full-range sound. The speakers are waterproof, making them perfect for outdoor environments such as boats, patios, decks, or poolside. With Bluetooth wireless streaming, you can easily connect your devices and enjoy seamless music playback. The system also includes mounting brackets for easy installation, and the wireless range extends over 30 feet for reliable connectivity.