Rockville RPG152K V2 is a 15" active DJ/PA speaker system that delivers powerful and crystal-clear sound for a variety of applications. With its built-in Bluetooth connectivity, you can stream music wirelessly from your smartphone, tablet, or other Bluetooth-enabled devices. Additionally, it features an MP3 player with USB and SD card inputs, allowing you to play music directly from your storage devices. The RPG152K V2 also includes microphone and line inputs, making it suitable for karaoke nights, presentations, or connecting external audio sources.