A lot of Dolby Atmos systems usually require you to sit in a quite specific 'sweet spot' to get the optimum listening experience. It also carries processing that can create an Atmos 'sound sphere' effect from non-Atmos sources.
Samsung HW-Q800F Bluetooth Wi-Fi Dolby Atmos Soundbar - Black [Missing Items]
Samsung HW-Q930B Dolby Atmos Soundbar with Wireless Subwoofer Boxed Excellent
Sony BRAVIA XR, XR-42A90K, 42 Inch, OLED, Smart TV, 4K HDR, Google TV, BRAVIA CORE, 5 Year Warranty HT-A3000 3.1 channel Dolby Atmos® Soundbar
Sony BRAVIA, KD-55X85L, 55 Inch, Full Array LED, Smart TV, 4K HDR, Google TV, ECO PACK, BRAVIA CORE, Seamless Edge Design HT-A3000 3.1 channel Dolby Atmos® Soundbar
Bundle of Sony BRAVIA, KD-75X75WL, 75 Inch, LED, Smart TV, 4K HDR, Google TV, ECO PACK, BRAVIA CORE, Narrow Bezel Design + Sony HT-A3000 3.1 channel Dolby Atmos® Soundbar
Sony BRAVIA XR, XR-48A90K, 48 Inch, OLED, Smart TV, 4K HDR, Google TV, BRAVIA CORE, 5 Year Warranty HT-A3000 3.1 channel Dolby Atmos® Soundbar