300 Watts 2.1 CH, Wireless Subwoofer, Bluetooth, Black Color, Al Sound ProCarbon WooferPursue High Fidelity SoundEach woofer unit is designed with a carbon diaphragm to secure excellent clarity.AI Sound ProAdaptive Audio for Everything You WatchAI Sound Pro automatically analyzes content to instantly optimize audio settings for whats playing. Catch every detail with crystal clear dialogue or more punchy powerful action, depending on the genre.Wireless SubwooferAdd More Power EasilyFeel the beat with the powerful LG Sound Bar SL4Y wireless subwoofer. Pumping out an extra 200 watts, it sounds good and its convenient to install.ConnectivityConnect More ConvenientlyAdd Bluetooth connectivity to your audio setup, or conveniently connect and play using optical or HDMI cables.Bluetooth StreamingStream Smart for Quality SoundStream music directly from your smartphone to LG Sound Bar SL4Y via Bluetooth. Exceptional sound for all your music is now all within your reach.