2.1-channel audio takes the movies, TV shows and music beyond traditional stereo with the added bass kick of a dedicated subwoofer, imparting greater sonic power. Stream music wirelessly from the smart phone or tablet for a more versatile listening experience, no wires necessary! Simply connect the smart phone or tablet to the LG Sound Bar and enjoy the favorite music wirelessly via Bluetooth. LGs Wireless Active Subwoofer allows one to enjoy superb sound quality with distinctive style in any location. Installation is simple and speaker wire management is reduced with the Wirelsss Active Subwoofer.