I have a QE65Q80TATXXU TV hooked up to a Samsung HW-Q800T Soundbar and just purchased the compatible rear speakers SWA-9000S.
I've managed to connect the rear speaker wireless receiver module to the soundbar according to the instructions by switching the soundbar off and pressing the volume button for 5 seconds until the 'ID SET' shows on the soundbar and the blue LED light on the receiver of the rear speakers changes from blinkering until constantly blue.
I cannot however get any sound to come out of the rear speakers. The soundbar works fine, only the rear speakers stay silent.
I have so far tried the following;
Reset the receiver and reconnected to the soundbar to the receiver on several occasions.
Made sure that the clamps clamp down on the copper wire instead of the plastic tubing of the wire connecting the rear speakers to the receiver
Connected the soundbar to the TV via Bluetooth HDMI eArc cable
Anybody got any ideas? I contacted Samsung support but their first level support couldn't help me so he's scheduled a call back from an advanced technical support which I am still waiting to hear from.