The LG SN4 2.1 Wireless Sound Bar with DTS Virtual:X uses high-quality components for enhanced entertainment sound. It features a Carbon Woofer for excellent clarity and AI Sound Pro for adaptive audio optimization based on content genre. Enjoy powerful bass with the wireless subwoofer, easily installed for a convenient audio experience. Connect and play music via Bluetooth®, optical, or HDMI cables. Stream music directly from your smartphone using Bluetooth® for high-quality sound. Sync seamlessly with your LG TV via Bluetooth® or optical cable for a complete TV audio experience.