The Devialet Dione soundbar is now available to pre-order for US$2,400. The speaker system has 17 drivers, including eight subwoofers. The device creates an immersive 3D sound experience thanks to Dolby Atmos 5.1.2, and it can upscale mono or stereo sound to mimic this quality.
https://www.notebookcheck.net/The-new-Devialet-Dione-soundbar-has-eight-built-in-subwoofers.610492.0.html