The Pyle PHPWA15TB is a high-powered 15" Bluetooth portable Pa speaker designed for karaoke, parties, and events. With a 680W max power output, it features a 15" subwoofer and 2.4" tweeter for deep, dynamic sound. The speaker supports Bluetooth streaming, MP3/Usb/Sd card playback, and Fm radio. It also features multi-color flashing Led lights to enhance the atmosphere. With a built-in rechargeable battery, adjustable sound controls, and a portable design with wheels and a tablet stand, this system is perfect for both indoor and outdoor use.