This commercial ceiling speaker system is a complete package that is suitable for use as a background music system in restaurants, bars, and cafés. This commercial ceiling speaker system comes with everything you need in order to set it up. A built-in Bluetooth receiver is incorporated with the PRM120 amplifier that comes with these ceiling speakers for restaurants. This allows you to pair a smart device, such as a smartphone or tablet, and wirelessly stream audio from any app or website of your choice. The PRM120 also has an inbuilt MP3 player with USB and SD ports.