LG SN4 Bluetooth Sound Bar With Wireless SubwooferThe LG SN4 2.1 Wireless Sound Bar with DTS Virtual:X uses high-quality components, so your entertainment can sound as good as it looks. It offers 300 W of power, with a wireless subwoofer for deep bass that?s perfect for watching movies or bringing the atmosphere to the big match.The LG SN4 uses adaptive sound control, which analyses the sound as you?re listening, so you?ll get optimum audio for your living room. It instantly adapts the sound based on what you?re watching, whether that?s helicopter blades whipping through the air or a softly spoken conversation.