The 2-Channel Sound Bar from LG will bring your TV video content to life. It delivers true linear phase output, lowered distortion and a cleaner sound. Plus, it features Sontia Stable Phase Technology and the SPT provides enhancement in phase and an increased frequency performance leading to an increased audio bandwidth with accurate response. Moreover, an Algorithm applies phase correction in order to overcome the sound quality loss caused by phase distortion from the sound bar's physical structural limitation. With all these and more, experience an immersive sound from a NB2020A Sound Bar.