LGNB4540A 4.1ch Slim Soundbar System with 320w Power, Wireless Subwoofer, Bluetooth & HDMI Â **** WIRELESS SUBWOOFER **** Place the subwoofer at any desired location in the living room, without the inconvenience of wires. Â **** BLUETOOTH SOUNDBAR **** Stream music wirelessly from your smartphone for a versatile listening experience. Â **** SOUND SYNC WIRELESS * **** Through the LGSound Systems you can wirelessly play the audio from your TV through the soundbar. In other TVs you have to connect via a cable to the TV. * Wireless: This applies to our 2013 TVs.