The LG S55TR is a 5.1-channel sound bar system with an included wireless subwoofer and wireless rear speakers, delivering 420W of enhanced surround sound. A built-in wireless receiver simplifies rear-speaker setup, with Bluetooth and Wi-Fi streaming and AI Sound Pro tuning. Included wireless subwoofer and wireless rear speakers create 5.1 surround 420W total power with Bluetooth, Wi-Fi, and AI Sound Pro This description was generated by AI and reviewed for accuracy.