LG Electronics NB4530B 47-Inch Slim Sound Bar With Wireless Sound Bar and Bluetooth (2013 Model) Installation is simple and speaker wire management is reduced with the wireless subwoofer system Stream music wirelessly from your smart phone for more versatile listening experience. The HDMI out allows you to hear your TV's audio through your AV speakers for a richer sound experience. Mount your sound bar for both optimal placement and sleek design.