The Pyle PPHP1237UB is a high-powered wireless Bluetooth Pa speaker system with a 12"" subwoofer and 1.34"" titanium tweeter, delivering up to 1200W max power output. The speaker features Bluetooth streaming, MP3/Usb/Sd card support, and Fm radio, allowing for a variety of audio options. It also includes microphone inputs and a recording function, so you can easily record vocals and save them as MP3 files. The system comes with adjustable sound controls, an Lcd display, and a rugged design for durability and portability. Perfect for karaoke, public events, and stage performances.