The image shows the Sony HT-X8500 soundbar, which features the following: It has a built-in dual subwoofer for deep bass sound [1, 4]. It supports Dolby Atmos and DTS:X technologies for a three-dimensional surround sound experience. It includes Vertical Surround Engine technology to create virtual surround sound. It is a 2.1 channel system, meaning it provides two audio channels plus a subwoofer channel