The LG GX pairs a slim, gallery-style bar with a wireless subwoofer to deliver 420W across 3.1 channels. Meridian audio technology widens the soundstage, and Dolby Atmos adds height so effects place above and around you. 420W of power across 3.1 channels with a wireless subwoofer for low-end weight Dolby Atmos and Meridian technology open up height, width, and depth This description was generated by AI and reviewed for accuracy.