The TCL Q75H is a 5.1.2-channel sound bar with an included wireless subwoofer and Dolby Atmos up-firing speakers, delivering 620W of immersive surround sound. It supports Bluetooth and Wi-Fi 5 for wireless streaming. Included wireless subwoofer and up-firing speakers add bass and overhead effects 5.1.2-channel design delivers 620W of immersive surround sound This description was generated by AI and reviewed for accuracy.