Don't make the mistake i did with the Samsung HW-Q950T ... if you're thinking of buying it make sure you have space behind the couch for the rear speakers otherwise the channels
Samsung's Q90R soundbar is on sale — save $740 | Mashable
Samsung HW-Q90R Soundbar review | TechRadar
Samsung harman/kardon HW-Q90R Bluetooth Wi-Fi Cinematic Soundbar with Dolby Atmos, Wireless Subwoofer & Rear Surround Speakers
No sound from rear speakers or subwoofer on the HW-Q90R