The LG S45TR is a 4.1-channel sound bar system with an included wireless subwoofer and wireless rear surround speakers, delivering 400W of multidimensional, cinematic sound. Bluetooth adds wireless streaming with no extra wires. Included wireless subwoofer and wireless rear speakers create 4.1 surround 400W of power delivers rich, multidimensional sound This description was generated by AI and reviewed for accuracy.