TCL has brought its latest range of soundbars to keep its line of TVs company at CES 2022. They comprise 2 new additions to the OEM's Alto 7 and 9 series. They upgrade to the latest in-house RayDanz and Master Sound Calibration technologies, and also offer up to 7.1.4 channel audio and enhancements such as Dolby Atmos.
https://www.notebookcheck.net/TCL-unveils-its-new-Alto-7-and-9-series-soundbars.590477.0.html