The Pyle PDWRBT36YL is a 3.5” 2-way indoor/outdoor Bluetooth wireless speaker system designed for superior sound performance in any environment. Featuring a 200W max power output, this system delivers full-range sound with 3.5"" subwoofers and 1/2"" high compliance polymer tweeters. It is waterproof, making it perfect for outdoor use on boats, patios, and poolside. The system includes Bluetooth 4.0 wireless streaming, a frequency response range of 70Hz to 21kHz, and a wireless range of 30+ feet. It also features quick-connect speaker terminals for easy installation and comes with mounting brackets and hardware.