Carbon woofer - Enjoy High Fidelity Sound AI Sound Pro - Adaptive audio for everything you watch Wireless subwoofer - Powerful bass - easy to install Connectivity - Multiple connection options Bluetooth Streaming - Stream smart for quality sound TV Sound Sync - Sync seamlessly with your LG TV Carbon WooferEnjoy High Fidelity SoundEach woofer unit is designed with a carbon diaphragm to ensure excellent clarity.AI Sound ProAdaptive Audio for Everything You WatchAI Sound Pro automatically analyses content and instantly optimises the audio settings for whats playing. Catch every detail with crystal clear dialogue or more punchy powerful action, depending on the genre.Wireless SubwooferPowerful bass - easy to installFeel the beat with the powerful LG Sound Bar SL4Y wireless subwoofer. Pumping out an extra 200 watts, it sounds good and is convenient to install in your room.ConnectivityMultiple connection optionsEasily play music via Bluetooth®, or conveniently connect and play using optical