The LG SG10TY is a 3.1 Channel 420 Watt Dolby Atmos Soundbar. It features AI Sound Pro which enables you to experience great sound whether you re watching movies catching up on the news or listening to music. With AI Sound Pro LG Sound Bar's intelligent algorithm analyses your content to help deliver enhanced performance. It also features AI Room Calibration Pro which uses an internal microphone and spatial awareness technology AI Room Calibration Pro analyses your room to help tailor sound across frequencies balancing settings with your environment for natural and realistic sound.