The Pyle PDWRBT56BK is a 5.25” 2-way Bluetooth wireless speaker system designed for both indoor and outdoor environments. With a 500W max power output, it features 5.25” aluminum injection cone subwoofers and 1/2” high compliance polymer tweeters for clear, dynamic sound. The speakers are waterproof, making them ideal for use on boats, patios, or by the pool. Bluetooth connectivity allows for easy streaming from smartphones, tablets, or other devices, while the system includes mounting brackets and hardware for easy installation. It also features a wide frequency range of 50Hz to 21kHz and a wireless range of over 30 feet.