Samsung Q910b surround is like playing front speakers through rear speaker. I tried changing adaptive plus, surround, game mode but it is simply playing sounds from front L & R speakers to rear. I had vizio M512a-h6 before that played accurate surround ...
Samsung Q910B 9.1.2ch Soundbar with Wireless Dolby Atmos | The Best Premium Soundbar - YouTube
Samsung HW-Q910B Soundbar: 1 month Later Review - YouTube
Samsung HW-Q910B Powered 9.1.2-channel sound bar and wireless subwoofer system with Wi-Fi, Apple AirPlay® 2, Dolby Atmos®, and DTS:X at Crutchfield