400W Total Power & 3.1.1 Channels Centre up-firing speaker for clear dialogue Dolby Atmos® for above and around sound WOW Orchestra: Uses LG Sound Bar & compatible LG TV speakers together for more impactful sound 120Hz 4K Pass-through & VRR/ALLM for Dynamic Gaming Sound Optimal audio excellence worthy of LG QNEDComplete the LG QNED experience with the soundbar that beautifully complements its design and sonic performance.WOW InterfaceSimplicity is right at your fingertipsAccess WOW Interface through your LG TV for clear and simple soundbar control, like changing sound modes, profiles, and accessing other handy features. WOW OrchestraDuets with your LG TV's soundThe unique sound, range, and tonal qualities of your LG Soundbar and LG TV come together in harmony for an engrossing and impactful sonic experience.Center Up-firing ChannelSoundscapes put you at their epicenterThe Center Up-firing Channel makes sound feel like it's coming from the middle of your LG TV for a lifelike sensation.