Hear sound from all directions with max 7.1.2 surround sound Vertical Surround Engine, our latest surround technology lets you enjoy the thrill of the latest cinema audio formats like Dolby Atmos and DTS:X in a single slim unit. No matter what type of room you’re in, its three front speakers reproduce “vertical” creating virtual surround sound that seems to come from all around you. The HT-Z9F 5.1ch* Dolby Atmos /DTS:X Sound bar's new Vertical Surround Engine places you in the middle of the action.