HW-T47M Soundbar with Wireless Rear Speakers Home Theater - HW-T47M/ZA | Samsung US
Connect wireless rear speakers to your Samsung soundbar for surround sound
Samsung SWA-9500S Wireless Rear Speaker Kit w/ Dolby Atmos for Soundba — Beach Camera
Amazon.com: SAMSUNG SWA-9200S Wireless Rear Speaker Kit, Upgrade Soundbar System to True Surround Sound Experience, Latest Model,Black : Electronics
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
SWA-8500S - Wireless Rear Speaker Kit | Samsung US