LG NB2540 120W 2.1ch Sound Bar Audio System with Subwoofer and Bluetooth LG NP2540 Soundbar Wirelessly stream music directly from your smartphone or other compatible device to your LG Sound Bar for a seamless listening experience. 3D Surround Processor, which creates a room-filling surround sound experience for movies, TV shows and more. Handy mounting hardware is included. 120W 2.1ch Sound Bar