Introducing the all-new VIZIO Smart Cast 45” 5.1 Sound Bar System. The included wireless subwoofer and rear satellite speakers deliver fully immersive 5.1 true surround sound at levels up to 104 dB2. Our new slim wireless subwoofer fits conveniently beneath or beside your sofa. Download the VIZIO Smart Cast app3 to turn your mobile device into the ultimate remote and discover music across multiple apps at once. With Google Cast built-in, you can cast your favorite tunes from 100+ audio apps you already know and love to your sound bar. Connect multiple VIZIO Smart Cast sound bars or speakers together to cast the same music to any or every room.